$39 Find Cheap International Flights

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for cheap international flights from the United States

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Flight Deals
Booking Insights
Flight Deals

Book Cheap International Flight Deals

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from the United States that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

KAYAK’s recent round-trip deals from the United States to anywhere

Sun, Mar 22 - Wed, Mar 25
Frontier Logo
12:59 pm - 2:59 pm
ATL
-
CUN
3h 00mnonstop
Frontier Logo
4:09 pm - 8:02 pm
CUN
-
ATL
2h 53mnonstop
$206Frontier
Sat, Mar 21 - Tue, Mar 24
Frontier Logo
6:15 am - 8:06 am
ATL
-
CUN
2h 51mnonstop
Frontier Logo
1:47 pm - 5:39 pm
CUN
-
ATL
2h 52mnonstop
$209Frontier
Thu, Mar 26 - Thu, Apr 2
Frontier Logo
6:00 am - 7:51 am
ATL
-
CUN
2h 51mnonstop
Frontier Logo
10:07 am - 1:55 pm
CUN
-
ATL
2h 48mnonstop
$210Frontier
Mon, Apr 20 - Tue, Apr 28
Iberia Logo
8:40 pm - 12:45 pm
JFK
-
BCN
10h 05m
1 stop
Iberia Logo
6:40 pm - 9:40 pm
BCN
-
JFK
9h 00mnonstop
$343Iberia
Sun, Apr 12 - Tue, Apr 28
Iberia Logo
4:55 pm - 11:45 am
JFK
-
BCN
12h 50m
1 stop
Iberia Logo
6:40 pm - 9:40 pm
BCN
-
JFK
9h 00mnonstop
$344Iberia
Tue, Apr 28 - Wed, May 6
Iberia Logo
11:25 pm - 1:20 pm
JFK
-
BCN
7h 55mnonstop
Iberia Logo
6:40 pm - 9:40 pm
BCN
-
JFK
9h 00mnonstop
$345Iberia
Mon, Apr 13 - Tue, Apr 21
Multiple Airlines Logo
5:27 pm - 2:25 pm
EWR
-
MAD
14h 58m
1 stop
Multiple Airlines Logo
7:35 pm - 10:25 pm
MAD
-
EWR
8h 50mnonstop
$357Multiple Airlines
Sun, Apr 19 - Thu, Apr 23
Iberia Logo
11:55 pm - 1:30 pm
EWR
-
MAD
7h 35mnonstop
Iberia Logo
1:35 pm - 10:28 pm
MAD
-
EWR
14h 53m
1 stop
$358Iberia
Mon, Apr 13 - Thu, Apr 23
Finnair Logo
11:00 am - 5:30 am
JFK
-
MAD
12h 30m
1 stop
Finnair Logo
10:25 am - 6:40 pm
MAD
-
JFK
14h 15m
1 stop
$358Finnair
Mon, May 4 - Sun, May 10
Multiple Airlines Logo
8:25 pm - 9:30 pm
EWR
-
BVA
19h 05m
2 stops
Multiple Airlines Logo
6:10 am - 7:15 pm
BVA
-
EWR
19h 05m
2 stops
$433Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights from the United States

Get data-powered insights and trends into flights from the United States to help you find the cheapest flights, the best time to fly and much more.

Which are the most popular places to fly to from the United States?

The domestic destinations KAYAK users have most searched for when searching for flights from the United States.

Based on KAYAK flight searches, the most popular place to fly from United States is New York (17% of total searches). The next most popular destinations are Fort Lauderdale (13%) and Miami (12%).

What are the most popular international flights out of the United States?

The international destinations KAYAK users have most searched for when searching for flights from the United States.

There are many international destinations you can fly to from the United States. The most popular international destinations among KAYAK users are Paris, London and Mexico City.

What are the most popular countries to fly to from the United States?

The most popular countries KAYAK users have searched for from the United States along with the average round-trip price for the route clicked by KAYAK users in the last 2 weeks.

Based on KAYAK flight searches, the most popular country to fly to from the United States is Mexico (9% of total searches). The next most popular destinations are Canada (7%) and United Kingdom (6%).

Which cities can I fly to direct from the United States?

There are loads of places you can fly direct to from the United States. The most popular destinations for direct flights among KAYAK users are Chicago, New York, Phoenix, Los Angeles and Washington, D.C.. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was Chicago at $199, while the most expensive was Washington, D.C., at $245.

Which international cities can I fly to direct from the United States?

There are many international destinations you can fly to non-stop from the United States. The most popular international destinations from KAYAK users are Mexico City, Paris, Santiago de los Caballeros, Guadalajara and Dublin. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was Guadalajara at $261, while the most expensive was Paris, at $695.

What is the longest direct flight from the United States?

The longest direct flight you can take from the United States is to Singapore, with a duration of 19h 10m. The next longest is Melbourne Airport at 17h 40m, followed by a flight to Sydney at 17h 25m.

What are the cheapest places to fly to from the United States?

The cheapest destination for a flight from the United States found on KAYAK in the last two weeks was New York and cost $19. The next cheapest destinations were San Francisco at $21 and San Bernardino at $22.

Good to know

Low seasonJanuary
Cheapest flight$39
Best time to beat the crowds with an average 10% drop in price.
Flight from New York LaGuardia Airport to Miami

Flights from the United States: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew from the United States to anywhere 
Verified travelerFlew with Alaska Airlines
MFR
-
PDX
Jan 2026
I stayed at Marriott Airport the night before departure. I walked over to airport to check out the process for my ticket type which was seating assignment at the gate. Agent clued me in that the earlier I checked in the next morning, the better. And sure enough, I was first in line to check in and received a great seat assignment as if I'd paid full dollar! I really appreciated the subtle tip as I do not enjoy sitting at the back of the plane. Thank you to that helpful agent.
CandiceFlew with American Airlines
PHX
-
GRR
Jan 2026
I would not purchase any food on these flights because they are expensive. It is best to bring your own snacks if you want to save money. Download movies onto your phone or tablet, don’t pay for their expensive WiFi! Check in on the airline’s app 24 hours prior so that all you have to do is print your luggage tags. Add your boarding passes to your phone. No more paper boarding passes which is more convenient.
SoosnataFlew with Delta
MIA
-
LAX
Feb 2026
I prepaid my baggage fee through the Delta App during web check-in; however, I was unable to locate the receipt afterward. It would be helpful if prepaid baggage receipts were clearly linked within the trip details section and/or accessible under the traveler profile for easy retrieval. This added visibility would enhance transparency and provide greater convenience for customers managing their travel documentation. Overall, a small enhancement that could further elevate the digital experience.
SoosnataFlew with Delta
LAX
-
HNL
Feb 2026
I prepaid my baggage fee through the Delta App during web check-in; however, I was unable to locate the receipt afterward. It would be helpful if prepaid baggage receipts were clearly linked within the trip details section and/or accessible under the traveler profile for easy retrieval. This added visibility would enhance transparency and provide greater convenience for customers managing their travel documentation. Overall, a small enhancement that could further elevate the digital experience.
LoriFlew with American Airlines
SMF
-
PHX
Jan 2026
If you have a rollerboard, at least 50% of the time it won't fit in the overhead (regional jet) and have to be gate checked. I travel with a half size bag if i am spending no more than 4 days away and it fits in the overhead. That saves a lot of time when you have a connection and don't have to wait for your bag.
Verified travelerFlew with SWISS
IAD
-
ZRH
Dec 2025
Bring sleeping pills. Tylenol PM or Benadryl. That one with your meal. Fall asleep in 30 mins. Wear a warm jacket and you will sleep most of your flight and wake up refreshed.. There are little "wings" on the seat headrest you can pull forward to keep your head upright for a good sleep. Put your phone on low power mode for the flight. too.
CandiceFlew with American Airlines
MRY
-
PHX
Jan 2026
Expect the terminal in Monterey to be slightly cramped because it is a small airport. It is best to check in ahead of time on the airline’s app so that when you arrive, you can go straight to the kiosk and print your luggage tags to avoid waiting in line. They will call your name once your tags have printed. So much easier and convenient!
JamesFlew with Alaska Airlines
MCO
-
SAN
Jan 2026
My advise is to pack lightly to avoid paying for the cost of one bag in the amount of 35 dollars. The amount isn't the worst I've paid, for my traveling bag but so many individuals used the overhead luggage rack as well as a back pack that didn't pay for transporting a large suitcase that I intend to do the same in the future.
Verified travelerFlew with Alaska Airlines
BOI
-
SAN
Jan 2026
Since I flew First Class I really have no advice! Everything was perfect! The ticketing agents were fantastic, flew through TSA Precheck, great announcements at the gate, quick boarding. My only suggestion is to check First Class prices before committing to the very expensive baggage fees and choosing a seat fee!!!
BrandyiFlew with American Airlines
LAX
-
HND
Dec 2025
LAX on Christmas Eve around 9am was a breeze. No passengers were in line to print bag tags, bag drop, or security. Made it through from entry to the concourse (for American Airlines) in under 12 minutes. Boarding process at gate 159 used turnstiles, which I prefer.
KathleenFlew with American Airlines
LGA
-
MCO
Jan 2026
LaGuardia is the most convenient/fastest from Midtown Manhattan. If taking a taxi, check the map ahead of time to spot traffic delays — taxi drivers aren’t going to do that and you can direct them to alternate routes to avoid a traffic jam.
VirginiaFlew with Alaska Airlines
LAX
-
PDX
Dec 2025
I get a little motion sickness even in a car and wasn’t sure if i needed for flight, lesson learned. so Even if you have a little bit of motion sickness, take your medicine before flight…
Verified travelerFlew with Spirit Airlines
IAH
-
FLL
Jan 2026
Always. Get there 2 hours before you fly and everything will go smooth. You won't be Russian.You can just take your time if you have any questions, you can get them answered at Agent. desk.
Verified travelerFlew with JetBlue
MCO
-
SJU
Dec 2025
Always arrive at your schedule, no matter if say that the flight is delay. Orlando Airport most of the time have a lot of passenger and is better to be on time just in case
JeffFlew with Delta
MIA
-
JFK
Dec 2025
Worth being a SkyMiles member for the free checked bag Plan extra time at Miami, the walk from the MIAMover to the check in was very far and the moving sidewalks were not functioning.
Verified travelerFlew with United Airlines
DEN
-
RSW
Feb 2026
We flew United Airlines and boarding went smoothly if not a little slow but we left on time. Arrive early at the airport as it gets very busy and crowded especially on the weekends.
AmyFlew with American Airlines
LGA
-
MSY
Feb 2026
Use the AA app and bring your own g-free snacks. Love that most all your airplanes have the bendable headrest, saves space from packing a pillow so thanks for that!
Verified travelerFlew with Spirit Airlines
ATL
-
FLL
Dec 2025
Atlanta airport is big so I was advised to give myself slightly more time to get through as you need to use an air train to get to the gate
FernandoFlew with Spirit Airlines
MCO
-
BOG
Jan 2026
Use the APP Works very well Bring your own food. You can buy food on the plane, but it is more expensive. You can buy drinks on the flight.
Verified travelerFlew with Alaska Airlines
SMF
-
SEA
Feb 2026
Purchase one of those luggage covers because your bag might end up being checked regardless. Download episodes before your flight because they don’t always offer in-flight wifi.
Verified travelerFlew with Spirit Airlines
EWR
-
ATL
Dec 2025
They said the plane was full but ended up having a spare seat, so that was a nice surprise. Bring snacks as they charge for refreshments
KathleenFlew with Alaska Airlines
JFK
-
SAN
Feb 2026
allow plenty of time to get to the airport and through security. Take the plane train if you can. Terminal eight has good food options
ColleenFlew with United Airlines
EWR
-
MCO
Jan 2026
Make sure to get to the airport with plenty of time to go through security. The line was long but moved pretty fast
DebraFlew with Alaska Airlines
SEA
-
DEN
Feb 2026
Seattle TSA much improved. Faster service. Baggage check-in ok. I'm sure will get faster as people get used to it.
GregFlew with Alaska Airlines
SFO
-
BUR
Jan 2026
Upgrade to first class for free checked bags, priority boarding and half off the SFO lounge for not that much extra
BrianFlew with Alaska Airlines
MCO
-
SAN
Jan 2026
I would say bring a backup snack or pre-order food with Alaska. I love Alaska airlines' new food options.
ChrisFlew with Spirit Airlines
LGA
-
MCO
Feb 2026
Flying spirit is great. Key is flying out of Laguardia. It has its own terminal you get through quite fast.
AgustinFlew with United Airlines
IAH
-
SFO
Feb 2026
Arrive early for your flight so you’re not rushing. And have plenty of patience with other people that are impatient.
KhahnieFlew with United Airlines
LAX
-
HNL
Jan 2026
Give yourself plenty of time. Bring a lot of patience and practice kindness. Also bring a portable charger
NguyenFlew with Delta
DCA
-
SEA
Dec 2025
DCA airport is much easier to navigate (security, getting to gate, proximity to DC city center) than IAD
Verified travelerFlew with ANA
LAX
-
NRT
Dec 2025
LAX checking in was quick and the connecting flight was the adjacent gate so it was very convenient.
RogerFlew with STARLUX Airlines
SEA
-
TPE
Feb 2026
Check out the menu before you board, and if you have time utilize the Galactic Lounge at T2
YesicaFlew with United Airlines
CHS
-
ORD
Feb 2026
Utilize the mobile app of your airline it will give you all the updates and information you need
DanielFlew with JetBlue
RIC
-
FLL
Jan 2026
Don’t forget to fill your water bottle, as the AC can be very drying on the plane.
Verified travelerFlew with United Airlines
MCO
-
IAH
Jan 2026
Night flights are less crowded and leave on time or even earlierike mine did. It was great.
SunnyFlew with Finnair
LAX
-
HEL
Jan 2026
Pack comfortably, read the baggage guidelines, and order in flight amenities ahead of time if you can.
MichaelFlew with United Airlines
PDX
-
SFO
Jan 2026
The Portland airport is very easy to get into (traffic, TSA, etc.) Sunday late afternoon/evening.
PhilipFlew with Alaska Airlines
SFO
-
SAN
Feb 2026
Taking a flight with a smaller plane was pleasant, fewer passengers and.easier boarding and disembarking.
Verified travelerFlew with Alaska Airlines
SFO
-
AUS
Dec 2025
Bid on an upgrade seat if you can, I was pleased with my upgrade.
MatthewFlew with Southwest
DAL
-
SAN
Jan 2026
If you have Pre-Check don't even worry about getting to the airport early.
SharonFlew with Air New Zealand
LAX
-
CLE
Feb 2026
Book directly with the airline to maximize your ability to modify your booking online.
NancyFlew with American Airlines
TPA
-
DFW
Feb 2026
Golden rule.... arrive 2 to 2 1/2 earlier to have a calm experience.
BillFlew with Frontier
MCO
-
ORD
Dec 2025
Wear comfortable clothing and make sure you layer. We went from 80o to 30o,
LaToyaFlew with American Airlines
ATL
-
DCA
Feb 2026
Get Pre-Check to be able to get through Hartsfield-Jackson’s checkpoint quickly.
RickFlew with Alaska Airlines
SEA
-
PDX
Jan 2026
Seattle customs is easy. No crowds. Another big hike. Wear walking shoes.
BillFlew with Japan Airlines
BOS
-
JFK
Dec 2025
Take the first flight out in the morning. Always your best chance!
Verified travelerFlew with Allegiant Air
FLL
-
IND
Jan 2026
American airlines is the best arrive early the airport can be confusing
BeverlyFlew with JetBlue
JFK
-
SFO
Dec 2025
Wear support socks which helps when you sit for a long time.
Verified travelerFlew with British Airways
DEN
-
LHR
Dec 2025
Jst take one cashing bag no checked luggage-so much easier
GreggFlew with Hawaiian Airlines
HNL
-
OAK
Dec 2025
Be sure to pack food for your flight of 5+ hours.
TonyFlew with United Airlines
IAD
-
RDU
Dec 2025
Bring your own snacks - no food service👍🏼
ShannonFlew with Spirit Airlines
PIT
-
FLL
Jan 2026
If you are going for cheapest option with a positive experience, go with Spirit. If you are looking for comfort in regard to your seat, leg room, snacks/drinks included… you need to pay the extra money and go with a different airline like Delta or United. Spirit you can pay and upgrade for all these things. I don’t know cost wise though if Spirit would still be cheaper if you do that.
GraceFlew with Delta
LAX
-
JFK
Feb 2026
We were early arriving so had to sit on the runway for a bit. Remember that you aren’t really supposed to use the lavatories in those situations as it’s an “active runway” situation, so plan to use the bathroom if you need to prior to descent.
BobFlew with Delta
FLL
-
MSP
Feb 2026
You need at least a 1 1/2 hrs between connecting flights if you’re going to connect to the west coast in the winter. And if you’re planning to connect to a regional airport after reaching the west or east coast it better be 2 hrs.
WilliamFlew with Delta
DAL
-
ATL
Dec 2025
Make sure to confirm with the transport service which of the airports is indicated on the flight logs. I had booked my travel with a group, and assumed we were the same because of the overlapping takeoff times, but clearly this was a coincidence.
Verified travelerFlew with Spirit Airlines
LAX
-
LAS
Jan 2026
With Spirit at LAX you check in at Terminal 2, go thru security in terminal 1, then you have to take a bus to the gate. When you return, you have to take the bus back to terminal 1 to get your luggage.
KatarinaFlew with Alaska Airlines
EWR
-
PDX
Feb 2026
The rail train from the rental car drop off place to the Alaska terminal can take sometimes 20 minutes if you have to wait for a train because they're doing construction. Sometimes it only takes me 5-10 minutes but be prepared.
SnapyouFlew with KLM
TPA
-
LHR
Jan 2026
Some US airlines have a bag drop area in the Car Hire Centre. Tampa are now charging $6 to use a trolley from the Car Hire Centre. No charges are made when you use a trolley in the baggage hall.
CindyFlew with American Airlines
MIA
-
BHM
Jan 2026
At Miami International, after check in at ticketing, be aware of the long walk to the American D Concourse. Signs are confusing, as there are several ways to go depending on your gate number. Stop and ask for clarification often.
GeorgeFlew with Spirit Airlines
LAS
-
DTW
Jan 2026
Best flights for comfort are with Delta and American Airlines. They also allow one carry-on for free. Spirit and Southwest flights are usually cheaper, and less comfortable seating. Spirit charges for each bag(excluding a small personal bag).
EllenFlew with Hawaiian Airlines
JFK
-
HNL
Dec 2025
Check your flights a few weeks before your trip and keep checking to see if times have changed, and if you need to adjust your layovers. Our flight went from 10am to 8:30am. We could have missed it.
CourtneyFlew with American Airlines
MIA
-
TPA
Feb 2026
Miami is a big airport with a lot of international flights, so give yourself enough time to get through TSA. Expect last minute gate change that is possibly 20 or more gates away from the initial gate provided.
DexterFlew with Asiana Airlines
SFO
-
ICN
Feb 2026
If traveling with toddlers or picky eaters, make sure you feed or buy food your kids will eat. Leaving San Francisco my kids didn’t eat any of the food coming from the SFO airport.
Verified travelerFlew with ANA
LAX
-
HND
Feb 2026
Check the "true" costs of a flight with the actual carrier versus the many add on charges of a discount fare and subpar performance. To see if the difference is worth the pain..
AndreaFlew with Spirit Airlines
DTW
-
LAX
Feb 2026
I chose Spirit because it was a lot cheaper. Expect a very uncomfortable seat for basic economy. Bring something to do because there is no back of the seat entertainment screen.
Verified travelerFlew with Alaska Airlines
STS
-
SAN
Jan 2026
If you want a better experience, fly non stop. American has a superior wireless connection experience. Delays appear to be the norm. Book two hours between flights minimum. Check your bags.
Jr.Flew with Iberia
DFW
-
MAD
Jan 2026
The biggest issue would be departure time. Try to catch a flight 5-7pm, as that would keep you on a good sleep pattern as you try to adjust.
AlanFlew with Turkish Airlines
LAX
-
DXB
Dec 2025
try to pay for a seat instead of waiting as you will end up in the back and the seats back there have less space it seems like.
Verified travelerFlew with Alaska Airlines
SNA
-
SEA
Feb 2026
Make sure you have a REAL ID and not just a drivers license. It’s a $45 fee to get it processed the TSA rep told me.
AlejandraFlew with Aeromexico
SAT
-
MEX
Feb 2026
Always have your passport ready. It will be checked more times than you think and expect to wait a while for everything when you arrive.
LaveniaFlew with Alaska Airlines
ATL
-
SEA
Dec 2025
Pre-order your food. Make sure to bring your OWN device and be prepared to pay for WiFi to access entertainment for this long flight.
GFlew with Hawaiian Airlines
SEA
-
NRT
Feb 2026
Bring your own tasty snacks because the provided food is average airplane food. Bring your own entertainment; download to your phone to watch something interesting.
Verified travelerFlew with Etihad Airways
ATL
-
AUH
Dec 2025
Buy plenty of bags ahead of time. Airline companies can legally charge what ever they want for extra bags regardless of size and weight.
LisaFlew with Aer Lingus
BOS
-
DUB
Dec 2025
Look at Jet Blue and Delta. May be a bit more expensive but keep an eye out for fare reductions and book early.
Verified travelerFlew with Alaska Airlines
EUG
-
SEA
Feb 2026
The seats are narrow. If you are large and expect to take up more space than your own seat, book two seats.
Verified travelerFlew with Qatar Airways
MIA
-
DOH
Feb 2026
Bring a seat cushion and a neck pillow to try to find comfort. Food is not good, bring your own snacks.
ShashankFlew with American Airlines
IND
-
CLT
Jan 2026
TSA precheck is only on Terminal A side even if you have Terminal B departure. There is an easy walkthrough.
La-MekkaFlew with American Airlines
DFW
-
LAS
Feb 2026
Wish I would’ve know at DFW terminal D, use D30 to check your bags but D18!for regular TSA
Verified travelerFlew with United Airlines
EWR
-
MCO
Dec 2025
Advance seat selection. Lots of kids on the flight and it’s hard to find seats together as a family
Verified travelerFlew with Scandinavian Airlines
EWR
-
CPH
Jan 2026
From Newark airport I had a tight 55min connection which I was late for. Book longer connections if possible.
DavidFlew with Air New Zealand
IAH
-
LFT
Jan 2026
Very limited space for carry on bags. Most had to be put with checked bags. Be ready for that
Dawn CFlew with American Airlines
BZN
-
DFW
Dec 2025
Get to the airport early and be prepared to be flexible. Bozeman flights are often late getting started.
Verified travelerFlew with United Airlines
EWR
-
CLT
Dec 2025
Very little room for carry on (40 bags). Chances are high that you’ll be made to check bag.
Mike & DebbieFlew with Southwest
SDF
-
DAL
Dec 2025
Give yourself plenty of time with TSA in Louisville. Only 3 agents checking ids at their busiest times.
NesrinFlew with Southwest
DEN
-
IAD
Feb 2026
Get a seat in the very front if you can, otherwise, it is a very slow process.
Verified travelerFlew with Alaska Airlines
KOA
-
SEA
Dec 2025
Eat your fruits and veggies before you attempt to board. The USDA doesn't allow out of Hawaii.
DianaFlew with Alaska Airlines
SAN
-
LAS
Dec 2025
Don't go late in the day - delays accumulate and threaten if connections need to be made.
LouesaFlew with American Airlines
DFW
-
PHL
Jan 2026
The airport is large so allow plenty of time even if you have TSA pre-check.
Verified travelerFlew with Alaska Airlines
BOI
-
SFO
Feb 2026
Dont wear all your clothes its not worth the discomfort to save on a checked bag.
JimFlew with Avelo Airlines
BNA
-
LAL
Dec 2025
They wouldn’t check luggage before 2 hrs prior to boarding. Keep the in mind for scheduling
Verified travelerFlew with American Airlines
BOS
-
DOH
Jan 2026
To create enough time and be prepared to walk for some distance to locate boarding gates
SusieFlew with American Airlines
TPA
-
CLT
Jan 2026
Don’t go cheap and pay for better seats, not at the back of the plane.
puraviFlew with Singapore Airlines
EWR
-
SIN
Dec 2025
Pay the extra for individual seats or for the front row seats. Food was okay.
Verified travelerFlew with Spirit Airlines
EYW
-
FLL
Jan 2026
Spirit Airlines counter at Key West is not busy/ long and security line is moderate.
JoleneFlew with American Airlines
GNV
-
DFW
Dec 2025
If it is summer, book in the morning. The afternoon thunderstorms can delay take off.
ChristineFlew with Hawaiian Airlines
SEA
-
PSP
Dec 2025
Arrive early to go through security unless you have TSA pre check and/or CLEAR
Cecilia LeiteFlew with LATAM Airlines
JFK
-
GIG
Jan 2026
Make sure you are skymiles member , in order to enjoy WIfi during the flight.
Verified travelerFlew with Spirit Airlines
ATL
-
EWR
Jan 2026
Check in baggage and picking seat will be added to your total flight cost
JohnFlew with Delta
DAL
-
ATL
Jan 2026
Choose DFW instead of DAL if looking for a plane that is better equipped.
DivyeshFlew with American Airlines
MIA
-
DFW
Feb 2026
Try to make sure you have 40 minutes of buffer with your connection.
Thrinadh KumarFlew with United Airlines
OGG
-
ORD
Dec 2025
Flight is conjusted. Difficult to sleep. Carry pillows and sleep well beforeyou travel
Verified travelerFlew with Alaska Airlines
EWR
-
SFO
Dec 2025
Bring your own food and in flight activity since they don’t supply any.
JackFlew with EVA Air
SFO
-
TPE
Feb 2026
Be sure to have the gate staff check your documents before boarding begins.
ShilpaFlew with TAP AIR PORTUGAL
LAX
-
LIS
Dec 2025
Seats were comfortable- vegetarian meal was pretty mehhh- maybe pack your own meal
JackFlew with EVA Air
SFO
-
TPE
Feb 2026
Be sure to have the gate staff check your documents before boarding begins.
Verified travelerFlew with Spirit Airlines
DTW
-
LAS
Feb 2026
Bring your own food, drinks and entertainment (movies, books, crossword puzzles, etc)
Verified travelerFlew with United Airlines
PBI
-
EWR
Feb 2026
Be prepared for your cabin bag to be stored in the hold.
MitchellFlew with Delta
PHX
-
BOS
Jan 2026
If you need to make a change due to weather, book early
LadaFlew with Spirit Airlines
FLL
-
EWR
Dec 2025
Make sure you calculate your baggage cost otherwise it might get expensive
Verified travelerFlew with Alaska Airlines
OGG
-
LAX
Dec 2025
Make sure you check on your flight before going to the airport
GaryFlew with Spirit Airlines
FLL
-
ACY
Jan 2026
During busy periods check in early . The airport was very crowded
DionFlew with American Airlines
DFW
-
IAD
Jan 2026
Make sure you eat a heavy meal before boarding the flight.
FolaFlew with Air Canada
PHL
-
YYZ
Feb 2026
Ensue your luggage’s are on board at every connecting airport.
WeiFlew with JetBlue
JFK
-
BOS
Feb 2026
Get to JFK early due to construction and route changes.
AvikFlew with Delta
SEA
-
ICN
Dec 2025
Pack food I guess , especially if traveling with little Kids
Verified travelerFlew with Spirit Airlines
FLL
-
DTW
Feb 2026
Watch for busy traffic going to the airport. Plan accordingly
Verified travelerFlew with WestJet
MCO
-
YYZ
Dec 2025
Be ready for delays if you are flying in winter.
JeffFlew with Delta
MIA
-
JFK
Dec 2025
Eat before boarding or bring your own snack on board.
Verified travelerFlew with Cathay Pacific
LAX
-
HKG
Feb 2026
Arrive early, Boarding gate may be a relatively long walk.
GFlew with Southwest
DAL
-
ATL
Feb 2026
Arrive early to the gate. Seems boarding is early.
TobinFlew with United Airlines
LAX
-
CUN
Jan 2026
Prepare a meal. Try not to check bags
MarcoFlew with United Airlines
ORD
-
ORF
Dec 2025
United delayed my luggage twice on flight to Europe (first flight was for an important event) I carry 2 days of clothes in my backpack no matter who I'm flying with United especially so. No less than 2 hour layover to decrease possibility of loss/delay of luggage. Second EU trip my luggage was left in Germany even though my layover was just over 1 hour. Select layovers of 2+ hours although Unite will sell flights with 40 minutes layover (nonsense). 1 hour layover was not enough to transfer luggage in FRA. The last scan was 30 minutes after the flight left (SMH).
StephenFlew with United Airlines
SMF
-
ORD
Jan 2026
If you're trying to make a connecting flight make sure you allow PLENTY of time between flights or be prepared to miss the next flight. Make sure to use the restroom at the last possible moment before landing because you could be sitting on the taxiway for 5 more minutes... 5 more minutes... 5 more minutes... until it's been nearly 2 hours. Don't trust the airline provided ETA provided by apps they don't update it until long after you're delayed. If someone is showing up to give you a ride, make sure they have hours to wait for you.
MeghanFlew with Southwest
MCO
-
DEN
Feb 2026
MCO security doesn't have a mobile liquid container to drain your water bottles between the ID check and the luggage scan, you have to empty your bottles before you get in line (or drink it all before you make it to the luggage scan). Many other airports offer a space to empty your drink out, or warn you of that ahead of time, for MCO the warning didn't display until after you get through the ID check which was not helpful as there's no way to exit to find a sink once you're past that point.
rsmrostovFlew with Alaska Airlines
SEA
-
BOS
Jan 2026
If you have a small personal bag and a personal item you will be hustled to consolidate snacks on the flight of very poor so bring your own food and if you have an Android phone you likely will have issues connecting to Wi-Fi on the plane especially if the connection was dropped in the middle of watching a movie and then you attempt to reinstate it sometimes you have to clear browsing history and cookies becomes painful
JamesFlew with Alaska Airlines
SAN
-
MCO
Jan 2026
Travel with a carry on only because on my flight I observed a family of (7, 5 kids and both parents) load up the overhead luggage compartments with (7) carry on suitcases, in addition to (4) back packs, which was allowed by the airline and I'm certain paid zero extra dollars as I did for three large suitcases at $35 a piece. Sane your money and do the same thing that family did.
Verified travelerFlew with Spirit Airlines
LAX
-
EWR
Jan 2026
As bad as it gets. Sign in at one terminal (40 minutes), walk to another terminal to go through security (1 hour+), then take a shuttle through taxiing planes on the tarmac to your flight's terminal (up to another hour). Absurd.. Give yourself a whopping 4 hours or you could miss your flight.
LeeFlew with ANA
SFO
-
HND
Jan 2026
Make sure you understand the cost of additional baggage. This information was not make readily available. If I had known it was so high, I would have made sure to pack in a single checked bag. It seems this information was hidden from me.
Verified travelerFlew with Spirit Airlines
FLL
-
MCO
Feb 2026
Do not pay for a seat when booking the flight if they show no free seats, because they make you buy one and then send you messages to select a seat and there are plenty of free seats
ErnestoFlew with Spirit Airlines
CLT
-
MCO
Feb 2026
Don't book row 3 as people from the first 2 rows "first class" usually take up whatever space they need in the overhead compartment and you are forced to stow your carry on many rows back.
Verified travelerFlew with Lufthansa
IAD
-
FRA
Jan 2026
Sadly since I never could reschedule that flight I don’t know but maybe when possible allow more than a 2 hour layover if there is a possibility of bad weather.
PawanFlew with Lufthansa
JFK
-
FRA
Jan 2026
Food- be specific if you dont want to eat Meat. And the vegetarian choices are really bad. Pack exact 23 KG/ 50 LB or else you have to pay
Verified travelerFlew with Spirit Airlines
ATL
-
LAX
Jan 2026
Take an inflatable seat cushion, as the seats are uncomfortable, and take a patience pill as the staff are rude and mean.
Verified travelerFlew with Breeze Airways
MCO
-
MHT
Feb 2026
There is no good service included with the ticket. You get one small cup of water. So bring your own.
Verified travelerFlew with Iberia
SFO
-
LHR
Jan 2026
Buy your flight directly from the airline because the cancellation process is purgatory
MichaelFlew with United Airlines
FLL
-
EWR
Nov 2025
United refundable fare with bag check makes life easy for big trip. Otherwise, no bag check, moderate carry-on go cheap as possible. Grab food and beverage at airport to make flight enjoyable and kill time. It's really just a long cab ride
JulieFlew with British Airways
DFW
-
PHX
Nov 2025
Be sure to make sure you give yourself plenty of time if you are connecting through Dallas airport - there are sky trains that take a couple of minutes to get to the right terminal, and it's a large airport.
GraceFlew with Porter Airlines
MCO
-
YYZ
Nov 2025
Use Porter - roomy seats and better than average snacks/ beverages. They actually board from the back of the plane after VIP status customers and families with small children making on-boarding smooth. Will definitely use them over others.
ShirleyFlew with American Airlines
ILM
-
CLT
Nov 2025
Make sure to check-in to your flight using the American Airlines mobile app. The ILM airport isn't big or busy. It's a small airport, so you don't need to stress getting there.
Verified travelerFlew with Alaska Airlines
KOA
-
LAX
Nov 2025
Pay to reserve your seat and bring airbuds for the free movies!
ChristineFlew with Alaska Airlines
MIA
-
PDX
Nov 2025
Getting to the airport early is a must. Have a plan and map for your airline's checking desk. If you ask someone for directions, make sure they are clear or that you understand, a lot of TSA and airport personnel spoke English with hard dialects and some didn't know where the Alaska Air terminal was.
LilaFlew with Spirit Airlines
EWR
-
AUS
Nov 2025
Arrive to the airport early with a good attitude. If you are returning a rental car to Newark be prepared for a long walk to the train to get to the terminal.
Verified travelerFlew with Turkish Airlines
SEA
-
IST
Nov 2025
If you have food allergies best take your own food on the flight. Take some kind of snack.
ManojFlew with Alaska Airlines
DCA
-
SEA
Nov 2025
Don’t bring carry on roller luggage if you can avoid it. Overhead space runs out real quick.
VenFlew with Air India
JFK
-
BOM
Nov 2025
Be prepared for delays and have decent layover time if you have a domestic transfer,
Verified travelerFlew with Cathay Pacific
LAX
-
HKG
Nov 2025
Arrive early, the airport is a bit confusing and crowd handling is inefficient.
SephanyahFlew with Caribbean Airlines
FLL
-
POS
Nov 2025
Reach on time for you check-in or use web check-in.
ReinhardFlew with Scandinavian Airlines
SFO
-
CPH
Nov 2025
Don’t travel with checked luggage when booking tickets with stopovers
Verified travelerFlew with Spirit Airlines
EWR
-
DFW
Nov 2025
bring your own water. not provided by Spirit arilines
Verified travelerFlew with Delta
ATL
-
TPA
Nov 2025
Airlines with best boarding, comfort, baggage policies: American, United & Delta. Airlines with best schedule to/from Miami: American & Delta (but definitely can improve this). Most convenient airports: Getting on/off -Miami and any major US Airport with multiple lanes to go in and out (definitely not Atlanta as everyone is arriving & leaving go thru ONLY one entrance filled with parking lot style traffic) and I say this because I have lived in both cities (many years in Miami and now 2 years in Atlanta but travel a lot from here). Atlanta has only 2 entrances: either Delta (south side) or any other airline (north side). Either way you go, you will have bumper to bumper traffic just to go in. Also, don't get me started with their parking lots - what a horrendous experience to park and worse when you leave! No signs in the North side (and barely any in South side) to indicate the exit.

FAQs for booking United States to Worldwide flights

  • How does KAYAK find such low prices on flights from the United States?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from the United States.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from the United States?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from the United States is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from the United States?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to your destination with an airline and back to the United States with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from the United States?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines flying to Worldwide

 
Need help choosing which airline to fly with from the United States to Worldwide? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4299 reviews
8.1Boarding
7.0Food
8.0Comfort
8.6Crew
7.5Entertainment
Airline reviews

I have not flown Southwest in awhile and had a very pleasant experience. From ticketing to boarding to the flight. The flight left on time and landed ahead of schedule. It won't be so long next time!!

10.0 ExcellentTy&Steph, Feb 2026
CLT - STL
Read more Southwest reviews

I have not flown Southwest in awhile and had a very pleasant experience. From ticketing to boarding to the flight. The flight left on time and landed ahead of schedule. It won't be so long next time!!

The Southwest experience has definitely taken a dive from its early days. You can no longer deferentiate from other airlines. Air travel is too expensive. Southwest is no longer budget friendly. They have lost me as a loyal customer.

Flight was hours late, unable to sit next to spouse, I have had so much better experiences. Substantially better, only saving grace was that it was a short flight.

An entire day of delays. Cost lots of money. Meals and a hotel.

The WiFi and crew on the plane were good, however, the boarding experience was awful. I paid for the Choice Preferred and was boarded in group 5 so all overhead storage was full. They found room for our luggage, but further back making getting off the plane a nightmare. Also, we were in row 6 and the seats were extremely uncomfortable. Both my daughter and I had no leg room and couldn’t wait to get off the plane.

The charges were ridiculous for an hour flight and the turbulence was very scary.

Still need to work out the kinks on the new assigned seating boarding process. Otherwise, a very good flight.

WiFi did not work. Boarding with the new seating assignments took too long. The temperature in the terminal was obnoxious. +/- 80°

The seats are now more narrow. I paid for front row the seats in the front are even more narrow than before.

Only downside was the legroom and seat width, which is always a problem unless I spend more for a premium seat.

An awesome flight crew. FC seat cushion just doesn’t cut it for a 3+ hour flight.

2+hrs delay without any reason provided and a cramped flight

We waited an hour on the runway to get a gate in Orlando

Flight was delayed by 3-hours and their fix was… complimentary pretzels.

Flight was delayed due to crew being not on time

Flight crew issues delayed my flight by 2 1/2 hours. Causing me to miss my connection.

The staff on board and gate was nice - a welcome change from the usual. We also arrived early, which was a great benefit, given that it takes 30 minutes plus to get bags at SRQ.

The staff was frielndly. The plane was terrible, it was too small and should be decommissioned. There were no back seat screens at all. The only beverages we had a choice from was coffee, tea or water. The only bathroom in the back was behind the flight attendant's jump seat and wasn't working. And I literally felt like I was sitting on top of the guy next to me. It was terribly hot in the plane and we had to sit on the tarmac in Chicago for 1/2 hour due to congestion in Mpls. Wouldn't they have know that before they even boarded us so that we could have sat in comfort in the terminal?

Never got on it. Was re-routed through Detroit and am still in airports 12 hours later waiting for my connecting plane to arrive.

Delta has too many delays now days. It is 1:06 am now. I was supposed to land in Norfolk at 10:30 pm. I got re-booked through Detroit and I’m still in Detroit. I hope to be landed in Norfolk by 3am. I’ve been in airports for 12 hours as of right now. There is a weather delay now but most delays lately have been maintenance.

Flight left on time and we arrived 25 minutes early! There was a gate available when we arrived so early on a busy Sunday afternoon! Flight attendants came around twice with the drinks cart.

Wonderful. Quick boarding. Early departure and we arrived 30 minutes early at our destination. Unfortunately, when you arrive early, there is still a departing aircraft at our gate. We had to park for 30 minutes until the gate was clear. So our early arrival was not really early at the gate. Otherwise it was a quick and smooth flight. Appreciated the efficiency.

Flight on time. Excellent service in Premium Economy. Great food served and cleaned up promptly. Unfortunately the climate control was malfunctioning and it was very cold and felt a bit like camping. Cold helps with sleep though so not complaining too much. Slept well. It asks to rate "entertainment". I do not like any IFE, don't shove a big screen in my face—I have my own phone if I want it. So this will always get low ratings.

We had turbulence ever 1/2 hr or so and the captains announcements were SOOOO LOUD

Everything was great except for the boarding process. Everyone is lining up all at the same time and it’s hard to tell between the groups as they are way too large.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

Overall we had a good experience during our flight from San Francisco to Houston.

Airport terminal was outdated, flight was on a small jet with no wifi

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

it was a very short flight so my expectations were low.

Arrived early picked up my bag in a few minutes- great trip - thank you

Flight boarded, departed and landed on time. Excellent service from flight attendant in FIRST

Boarding is always an ordeal. Less dogs on flights. I am highly allergic to dogs and cats. Why are there so many animals these days?

Flight to Tampa was delayed taking off due to plane arriving late but no other issues

There was a delay with the plan which cause the flight to leave later and once arrived in Chicago there was another delay and some passengers missed their connecting flights

Massimo, flight attendant was very authentic, attentive - wonderful. Food/wrap was just okay.

Worst experience ever. Flight could not land in Charlotte for what we were told was a ground stop. Had to be diverted to Raleigh to refuel. Strangely during ground stop, our connecting flight had no issue taking off on time causing us to miss our flight. We were told there were no other flights that day to our final destination and that two days out was the next one. The only flights to get us there were from Chicago the next morning. Completely opposite direction but it was a direct flight. So we get flown to Chicago and have to find a hotel in our own dime. The flight in the morning was also delayed. Thankfully only a short time. The non too of all this, our luggage did not arrive by the time we were there. Communication was terrible, through the entire trip. Complete incompetence. Will never fly American again.

Horrible. Got delayed many hours because their pilot wasn't trained for night landing at the airport and a rain delay made it a night landing. We have to wait hours for a qualified crew. They give us 12 dollar meal vouchers but most everything in the airport was closed and definitely more expensive than the vouchers.

I am an AA flyer for a very long time... AA has yet to disappoint.

Flight was delayed. Not much information on when the flight would take off. Eventually we were told it was maintenance. App was not giving updates.

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Our flight was canceled. I will never use Kayak nor Frontier for travel again. The entire experience was a headache.

Frontier.. nickel and dime add-ons. Flight late, on time, late again, last minute gate change, arrival gate required a shuttle to the terminal. They sure keep you guessing.. if you like a little chaos and airport anxiety, this is the airline for you!

This is my second time flying with Frontier. My current experience was very favorable. The staff from the gate to the plane was friendly, warm and professional. The food options lacked in my opinion. This area needs some attention in my opinion.

First of all we hade waited 3 hours in the airplane waiting to leave. Second the return schedule was changed and it messed up my entire vaction. I won't buy never again another flight and recommend to nobody traveling with them.

There was no food and no entertainment, so I'm not sure why these are even in the survey, as my understanding is frontier does not ever offer food without a few, not even a snack, and there are no screens so unless the flight safety talk is our entertainment why ask how we liked it?. One of the flight attendants say in the back of the plane as people filed in to their seats, yelling orders about where to put baggage and telling people to hurry up. It was the least professional experience I've ever had on a flight.

Very well recently! Frontier is improving and less harrassing customer on luggages! Positive!

Good for a budget airline! It was easy to get on, staff was really nice. Can’t say anything about the food or entertainment because it wasn’t available, which is fine.

I am writing to express my disappointment with my recent Frontier Airlines flight. I was charged $99 at the gate because my bag was said to be too large, yet once onboard there was no available overhead bin space, and I was required to place the bag under the seat in front of me anyway. This made the charge feel unnecessary and unfair. Additionally, before the flight even took off, I was asked to move from the seat I paid for into a middle seat so another passenger and her cat could have my seat to themselves. I was not offered compensation or an explanation for being moved from a paid seat. Between the unexpected bag fee and being forced to give up my seat, this experience fell well below acceptable customer service standards. I would appreciate a review of this situation and appropriate compensation.

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Everything you need to know for your flight from the United States

Cabin class types available on flights from the United States

Cabin classes available on flights from the United States. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.