$34 Find Deals on Flights from St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Worldwide departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find Cheap Flights from St. Louis

Where can I fly from St. Louis?Prices from STL, departing Tue 4/21 and returning Tue 4/28

Book Cheap International Flights from St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis 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.

Recent round-trip international flight deals from St. Louis to anywhere

Thu, Apr 23 - Tue, Apr 28
Frontier Logo
11:25 am - 2:56 pm
STL
-
CUN
27h 31m
1 stop
Frontier Logo
4:07 pm - 6:50 am
CUN
-
STL
14h 43m
1 stop
$323Frontier
Wed, Apr 8 - Mon, Apr 13
Frontier Logo
8:16 pm - 11:24 am
STL
-
CUN
15h 08m
1 stop
Frontier Logo
9:12 am - 11:25 pm
CUN
-
STL
14h 13m
1 stop
$325Frontier
Tue, May 5 - Mon, May 11
Frontier Logo
6:41 pm - 2:07 pm
STL
-
CUN
19h 26m
1 stop
Frontier Logo
3:22 pm - 5:33 pm
CUN
-
STL
26h 11m
1 stop
$329Frontier
Fri, Sep 18 - Tue, Oct 6
British Airways Logo
9:35 pm - 6:10 pm
STL
-
MAD
13h 35m
1 stop
British Airways Logo
12:10 pm - 7:30 pm
MAD
-
STL
14h 20m
1 stop
$671British Airways
Fri, Sep 18 - Mon, Oct 5
British Airways Logo
9:35 pm - 9:40 am
STL
-
MAD
29h 05m
1 stop
British Airways Logo
5:30 pm - 7:30 pm
MAD
-
STL
33h 00m
1 stop
$673British Airways
Sun, Aug 16 - Fri, Sep 11
Multiple Airlines Logo
12:10 pm - 6:50 am
STL
-
MAD
11h 40m
1 stop
Multiple Airlines Logo
6:00 am - 1:25 pm
MAD
-
STL
14h 25m
1 stop
$674Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
9:10 am - 2:55 pm
STL
-
BCN
22h 45m
2 stops
United Airlines Logo
12:15 pm - 9:13 pm
BCN
-
STL
39h 58m
2 stops
$740United Airlines
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
7:12 am - 7:35 am
STL
-
BCN
17h 23m
1 stop
British Airways Logo
10:45 am - 7:30 pm
BCN
-
STL
15h 45m
1 stop
$748British Airways
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
4:30 pm - 2:15 pm
STL
-
BCN
14h 45m
2 stops
British Airways Logo
12:50 pm - 7:29 pm
BCN
-
STL
13h 39m
1 stop
$750British Airways
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
4:05 pm - 10:35 pm
STL
-
BVA
23h 30m
2 stops
Multiple Airlines Logo
9:55 pm - 1:25 pm
BVA
-
STL
22h 30m
2 stops
$766Multiple Airlines

Book Cheap Domestic Flights from St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis 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.

Recent round-trip domestic flight deals from St. Louis

Sat, Apr 4 - Wed, Apr 8
Frontier Logo
8:16 pm - 9:49 pm
STL
-
DEN
2h 33mnonstop
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
$79Frontier
Fri, Apr 3 - Sat, Apr 11
Frontier Logo
8:16 pm - 9:49 pm
STL
-
DEN
2h 33mnonstop
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
$87Frontier
Fri, Apr 3 - Sat, Apr 4
Frontier Logo
8:16 pm - 9:49 pm
STL
-
DEN
2h 33mnonstop
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
$88Frontier
Wed, Apr 15 - Tue, Apr 21
Frontier Logo
8:23 pm - 7:39 am
STL
-
MCO
10h 16m
1 stop
Frontier Logo
7:39 pm - 6:50 am
MCO
-
STL
12h 11m
1 stop
$134Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
8:23 pm - 7:39 am
STL
-
MCO
10h 16m
1 stop
Frontier Logo
12:08 pm - 7:32 pm
MCO
-
STL
8h 24m
1 stop
$139Frontier
Wed, Apr 15 - Fri, Apr 17
Frontier Logo
8:23 pm - 7:39 am
STL
-
MCO
10h 16m
1 stop
Frontier Logo
9:49 pm - 6:50 am
MCO
-
STL
10h 01m
1 stop
$140Frontier
Tue, May 5 - Tue, May 12
Frontier Logo
6:41 pm - 1:18 am
STL
-
EWR
5h 37m
1 stop
Frontier Logo
10:29 pm - 8:55 am
EWR
-
STL
11h 26m
1 stop
$142Frontier
Mon, Apr 13 - Wed, Apr 15
Frontier Logo
8:19 pm - 8:11 pm
STL
-
LAS
25h 52m
1 stop
Frontier Logo
12:59 am - 7:21 pm
LAS
-
STL
16h 22m
1 stop
$159Frontier
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
11:25 am - 7:31 pm
STL
-
DFW
8h 06m
1 stop
Multiple Airlines Logo
6:10 am - 6:50 am
DFW
-
STL
24h 40m
2 stops
$251Multiple Airlines
Mon, Apr 13 - Sun, Apr 19
Multiple Airlines Logo
8:19 pm - 5:49 am
STL
-
MIA
8h 30m
1 stop
Multiple Airlines Logo
3:54 pm - 6:50 am
MIA
-
STL
15h 56m
1 stop
$271Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights from St. Louis

Get data-powered insights and trends into flights from St. Louis 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 St. Louis?

The domestic destinations KAYAK users have most searched for when searching for flights from St. Louis.

Based on KAYAK flight searches, the most popular place to fly from St. Louis is New York (12% of total searches). The next most popular destinations are Las Vegas Harry Reid Intl (7%) and Seattle/Tacoma Intl (6%).

What are the most popular international flights out of St. Louis?

The international destinations KAYAK users have most searched for when searching for flights from St. Louis.

There are many international destinations you can fly to from St. Louis. The most popular international destinations among KAYAK users are Cancún, San Juan and Dublin.

What are the most popular countries to fly to from St. Louis?

The most popular countries KAYAK users have searched for from St. Louis 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 St. Louis is Germany (39% of total searches). The next most popular destinations are Canada (35%) and United Kingdom (12%).

Which cities can I fly to direct from St. Louis?

There are loads of places you can fly direct to from St. Louis. The most popular destinations for direct flights among KAYAK users are Jacksonville, Chicago, Los Angeles, Tampa and San Antonio. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was San Antonio at $230, while the most expensive was Jacksonville, at $369.

Which international cities can I fly to direct from St. Louis?

There are many international destinations you can fly to non-stop from St. Louis. The most popular international destinations from KAYAK users are Cancún and Punta Cana. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was Cancún at $381, while the most expensive was Punta Cana, at $399.

What is the longest direct flight from St. Louis?

The longest direct flight you can take from St. Louis is to Frankfurt am Main Airport, with a duration of 8h 40m. The next longest is London at 8h 00m, followed by a flight to Seattle at 4h 35m.

What are the cheapest places to fly to from St. Louis?

The cheapest destination for a flight from St. Louis found on KAYAK in the last two weeks was Orlando and cost $79. The next cheapest destinations were Jonesboro at $79 and Tampa at $84.

Good to know

Low seasonJanuary
Cheapest flight$34
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from St. Louis to Denver

Flights from St. Louis: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew from St. Louis to anywhere 
JeffreyFlew with Alaska Airlines
STL
-
SEA
Jun 2025
Don’t get to the airport too early. Security is fast and lines are typically short!
LauraFlew with Spirit Airlines
STL
-
FLL
Sep 2024
If you have kids, and are in gate C, take advantage of the kids play area. terminal isn't too large and you can walk to the last gate in minutes.
CarolFlew with Lufthansa
STL
-
FRA
Jul 2024
Get to airport at least 1.5 hr early.

FAQs for booking flights out of St. Louis

  • How convenient is it to travel with kids from St. Louis to other locations around the globe?

    You can leave from St. Louis in luxury with your kids. While you wait to board your flights, your kids can play a variety of games and make new contacts at the activity center located in the international departure hall of STL Airport. The free Wi-Fi connections provided by Alaska Airlines and Delta Airlines, the two major airlines that operate numerous flights between St. Louis and the rest of the world, will keep your kids from becoming bored while they watch their favorite shows and listen to their favorite music.

  • When flying to any location in the world, how can I board the first plane leaving St. Louis?

    If you want to depart St. Louis as soon as possible, think about staying at one of the accommodations that are most convenient to STL Airport. One of many hotels in the area that provides free airport shuttle service, the Pear Tree Inn St. Louis Airport is only a 6-minute walk from the airport.

  • Where can I find long-term parking at St. Louis Lambert International Airport (STL)?

    There are many parking alternatives available at STL Airport, so visitors who want to leave their cars there need not worry. Parking at the STL is reasonably priced, ranging from approximately $7 per day for Economy Parking in the Terminal Parking Garages. Lot B at St. Louis Lambert Airport houses long-term parking lots for roughly $10 per day.

  • What special services are available on flights out of St. Louis?

    Free wheelchair rentals for passengers with mobility issues and aid with movement for travelers with vision impairments are mainly the two special services offered on flights leaving STL Airport. These and other specialist services are offered by STL staff from each airline.  

  • What is St. Louis also known as?

    Lambert-St Louis Airport’s airport code is STL. It can also be referred to as Lambert Field, Lambert-St Louis, St. Louis Lambert, St. Louis Lambert Intl.

  • How does KAYAK find such low prices on flights from St. Louis?

    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 St. Louis.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis 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 St. Louis?

    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 St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis?

    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 St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding a cheap flight out of St. Louis

  • Looking for a cheap flight? 25% of our users found tickets from St. Louis to the following destinations at these prices or less: Atlanta $163 one-way - $289 round-trip; Denver $151 one-way - $260 round-trip; Chicago $217 one-way - $411 round-trip
  • St. Louis Lambert International Airport (STL) is the main airport from which the bulk of flights from St. Louis depart for locations across the world. The cheapest way to go from downtown St. Louis or the city center to STL airport is via public bus. If you want to go to the airport quickly but don't mind spending a little extra money, you can take a taxi.
  • The bulk of daily departures from St. Louis is provided by Alaska Airlines and Delta Airlines at St. Louis Lambert International Airport. As a result, if you purchase a ticket with one of these carriers, you can be certain that it will work with your trip plans regardless of where you want to go.
  • Travelers whose flights from St. Louis depart from STL Airport, which serves as the hub for American Airlines and Southwest Airlines, can take advantage of a number of advantages. Fewer delays and more departures per day are two of the most important advantages they are anticipated to experience.
  • Pets are allowed on most flights leaving St. Louis at STL. The St. Louis Airport has two outdoor areas and four post-security animal relieving spots. By gate A16 in Concourse A is one animal relief facility. Another is located close to gate C24 in Concourse C. In Terminal 2, close to gate E4, there is a third location. The final station is located next to gate E40 in Terminal 2.
  • Travelers from other adjacent cities to St. Louis, such as Berkeley, Hazelwood, and Saint Ann, can readily do so from STL Airport when departing for other areas throughout the world. These venues are dispersed over a 12 km (7.5 miles) area, so getting to STL Airport in St. Louis by bus, taxi, or rental car is straightforward.

Reviews of the top 5 airlines serving from St. Louis to Worldwide

 
Need help choosing which airline to fly with from St. Louis 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 4324 reviews
8.6Crew
8.1Boarding
7.0Food
8.0Comfort
7.5Entertainment
Airline reviews

Southwest was greaat! The most expensive but the least upsetting for those we were flying to see.

10.0 ExcellentMartie, Mar 2026
LGB - BNA
Read more Southwest reviews

Southwest was greaat! The most expensive but the least upsetting for those we were flying to see.

I flew twice this week on Southwest, was delayed over 2 hours both ways. From Pittsburgh to Chicago it was due to weather but the gate agents, pilot etc were great at updating everyone. Today from Midway to Pittsburgh the plane had come from an international location, kept getting delayed, no information was given until we were delayed for the third time. It was ridiculous, whoever scheduled that plane to fly to Pittsburgh after didn’t consider a lot of things.

Boarding was easy. The seats are small and fairly uncomfortable

I was supposed to be on a later flight. When I showed up at the gate, the woman working there was extremely helpful getting moved up to this earlier flight.

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

No food or entertainment, just a quick 40 minute flight. A little bumpy due to Santa Ana winds but pilot has no control over that. Good flight and landing!

the crew cancel the morning service due to the weather. Then the flight got deverted to Nashville . we were on the ground for over two hours the only gave us water once... no food or any snacks.... the crew should have handled better and offered something to passengers.

My recent experience was excellent on Delta! I flew with Delta Comfort and I was really comfortable in my seat. I enjoyed the in-flight service. The flight attendants were so friendly and hospitable. I love the snack on the flight as well. This was my first time flying on Delta and I will definitely consider flying with them again.

My flight was cencaled due with the bad weather on Sunday the crew was poorly mistaken my luggage supposed depart with my flight instead I didn’t have my luggage for almost 3 days the website is poorly respond to my complain until I have someone to do it my connection smooth their not even respon or email me even the have my luggage

Delta needs to step its game up get a more reliable internet service. Internet service was non-existent for this flight.

Mechanical Delay of over an hour with multiple gate changes. Entertainment system down for rejuvenation.

This was a Latam operated flight. Seats seemed a bit narrow in business class. Older aircraft.

I had a flight cancel and had it rerouted. When the rerouted they put me at a window seat instead of an isle. It was hard sitting by the window because the couple with masks on were making out. I get motion sickness which is why I need to have the isle seat.

NEVER MADE THE FLIGHT BECAUSE DELTA SAID THEY CAN NOT

THEY FAILED ME AND I NEVER GOT ON THE FLIGHT BECAUSE IT WAS SO DELAYED! I ENDED UP HAVING TO PAY OUT OF POCKET FOR A HOTEL AND STAY IN NASHVILLE TO CATCH A FLIGHT FOR THE FOLLOWING DAY. DELTA IS POOR CUSTOMER SERVICE>

8 hours late and the plane smelled like urine, that smell in the morning when your child wet the bed in the night.

ticket agent lady wás very helpful , she arranged wheel chair for my elderly mother

Didn't make the flight because the first leg of my flight was canceled and the next leg was already booked.

My flight was canceled a few hours before boarding. I was rebooked on Copa airlines and missed an important meeting .

Good quick flight on a small but comfortable plane. I'm 6'3 and had plenty of space.

Experience was great - no complaints. Took off on time, landed early. Got to the gate relatively quickly - took a little bit of extra time to deplane but nothing excessive.

Business class seats felt very cramped compared to other airlines.

Economy plus was so cramped I could not use my laptop. It was beyond bad.

OK, we were delayed and had to de plane and reboard.

United is one airline which regardless of how many separate United tickets in existence, if one flight breaks down, the airline will take care of all the flights.

Both our flights were delayed. Almost didn’t get in the second flight. Staff was rude to the bone.

Absolutely terrible. Would never fly American again. 2 deplaned incidents and delayed by close to 24 hours. $12 meal voucher for first class passengers was an insult to the injury. Pathetic.

Terrible planning. And even worse gate agents. Absolutely rude behavior.

Half of the TSA checkpoints at PHL are closed. Also, there is no standby for first class passengers. You can only standby for coach. Very dated policy and inconsistent with peers.

Flight was scheduled at 11:26am but they keep Delaying until midnight. They waited at airport restless.

Rough flight No beverage service due to turbulence Bottom Seat cushion was non existent

Great experience. Good dinner and service. FA's were very nice and attentive.

It was great. Smooth flight, comfortable, left on time and landed on time.

Perhaps this is an airport issue, but being in a takeoff queue for over an hour in the taxiing lane is unacceptable. We will definitely be seeking alternative avenues for air travel in the future.

We hoarded. Then we deplaned. Then we waited for 10 hours in the MSP airport due to a wheel misfunction. We understand safety but communication between crew and airport staff was horrible. When we did finally board, we were rushed on and because we were waiting for a “fresh” pilot and crew, we sat in a roasting plane with no A/C for an hour. My question is why was this flight not cancelled right away when they knew this would be a huge issue OR, why did AA not get a substitute plane, considering this was already a full flight? To me, this appears to be a complete breakdown in leadership and utter systems failure. The compensation for completely disrupting travel plans for hundreds, which we paid dearly for, was measly. While we appreciated the lodging for the night, $12 in meal vouchers isn’t going to sustain anyone for over 12 hours. “We apologize; our hands are tied” is no longer an acceptable explanation. We are so completely turned off by this experience and will definitely seek alternative avenues when we need to fly.

Mostly good. The WiFi wasn’t working so that was not great.

More inflight connection. And leg space is horrible. And the paying for baggage I'd ridiculous!!!

My flight was originally from SAT to MCO connecting from MCO to ORD. We got diverted to ATL and than Frontier staff there was sooo un helpful first they said they couldn’t give us any accommodation since our flight first got delayed that cancelled and now it’s 221am and I am still in ATL since they said they need to create a new flight my final destination is ORD and I have been delayed twice and cancelled. With no real help the frontier app didn’t work no email updates over all such a horrible experience

There's no seats that lean back with little leg space i wad uncomfortable the entire flight. Your charges for extra baggage is despicable and costly!!

Remind customers of the need to have passport or new ID for boarding.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

The flight never took off and we spent 7 hours at the airport

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.

Everything you need to know for your flight from St. Louis

Information on your arrival and departure airports