$39 Find Cheap Flights from Denver to the United States

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to the United States departing on 12/25. 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.
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1 adult, Economy, 0 bags

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Cheap Flights from Denver to the United States

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
New York
New Yorknonstop$113
Orlando
Orlando1 stop$129
Los Angeles
Los Angelesnonstop$78
Las Vegas
Las Vegasnonstop$68
Miami
Miami1 stop$120
Chicago
Chicagononstop$109
San Francisco
San Francisco1 stop$119
Boston
Boston1 stop$161
Washington, D.C.
Washington, D.C.nonstop$126
Seattle
Seattlenonstop$65
Fort Lauderdale
Fort Lauderdale1 stop$228
Atlanta
Atlantanonstop$117
Dallas
Dallas1 stop$86
Phoenix
Phoenixnonstop$79
Tampa
Tampanonstop$136
Houston
Houston1 stop$86
Honolulu
Honolulu1 stop$364
San Diego
San Diegononstop$58
Philadelphia
Philadelphia1 stop$162
New York
New Yorknonstop$113
Orlando
Orlando1 stop$129
Los Angeles
Los Angelesnonstop$78
Las Vegas
Las Vegasnonstop$68
Miami
Miami1 stop$120
Chicago
Chicagononstop$109
San Francisco
San Francisco1 stop$119
Boston
Boston1 stop$161
Washington, D.C.
Washington, D.C.nonstop$126
Seattle
Seattlenonstop$65
Fort Lauderdale
Fort Lauderdale1 stop$228
Atlanta
Atlantanonstop$117
Dallas
Dallas1 stop$86
Phoenix
Phoenixnonstop$79
Tampa
Tampanonstop$136
Houston
Houston1 stop$86
Honolulu
Honolulu1 stop$364
San Diego
San Diegononstop$58
Philadelphia
Philadelphia1 stop$162

Book Cheap Denver to the United States Plane Tickets

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

Recent round-trip flight deals from Denver to the United States

Tue, Dec 23 - Wed, Dec 31
Frontier Logo
10:16 am - 12:30 pmDEN-SEA
3h 14mnonstop
Frontier Logo
1:25 pm - 5:18 pmSEA-DEN
2h 53mnonstop
$65Frontier
Find Deal
Fri, Dec 19 - Tue, Jan 6
Frontier Logo
10:16 am - 12:30 pmDEN-SEA
3h 14mnonstop
Frontier Logo
1:00 pm - 4:53 pmSEA-DEN
2h 53mnonstop
$68Frontier
Find Deal
Wed, Dec 17 - Wed, Dec 24
Frontier Logo
6:30 am - 7:39 amDEN-LAS
2h 09mnonstop
Frontier Logo
8:30 pm - 11:33 pmLAS-DEN
2h 03mnonstop
$68Frontier
Find Deal
Thu, Dec 25 - Wed, Dec 31
Frontier Logo
10:16 am - 12:30 pmDEN-SEA
3h 14mnonstop
Frontier Logo
1:25 pm - 5:18 pmSEA-DEN
2h 53mnonstop
$69Frontier
Find Deal
Tue, Dec 23 - Wed, Dec 31
Frontier Logo
10:16 am - 12:30 pmDEN-SEA
3h 14mnonstop
Frontier Logo
1:25 pm - 5:18 pmSEA-DEN
2h 53mnonstop
$70Frontier
Find Deal
Thu, Jan 15 - Mon, Jan 19
Frontier Logo
9:00 am - 11:09 amDEN-SEA
3h 09mnonstop
Frontier Logo
12:19 pm - 4:10 pmSEA-DEN
2h 51mnonstop
$71Frontier
Find Deal
Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
6:45 am - 8:58 amDEN-SEA
3h 13mnonstop
Multiple Airlines Logo
12:48 pm - 4:39 pmSEA-DEN
2h 51mnonstop
$78Multiple Airlines
Find Deal
Wed, Dec 17 - Thu, Jan 8
Multiple Airlines Logo
10:00 pm - 12:10 amDEN-SEA
3h 10mnonstop
Multiple Airlines Logo
7:54 pm - 11:35 pmSEA-DEN
2h 41mnonstop
$83Multiple Airlines
Find Deal
Fri, Jan 9 - Sat, Jan 17
Southwest Logo
6:25 am - 12:10 pmDEN-MCO
3h 45mnonstop
Southwest Logo
6:25 am - 8:45 amMCO-DEN
4h 20mnonstop
$137Southwest
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Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
4:03 pm - 9:44 pmDEN-EWR
3h 41mnonstop
United Airlines Logo
9:15 pm - 11:44 pmEWR-DEN
4h 29mnonstop
$217United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Denver to the United States flights

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

What is the cheapest Denver to the United States flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to the United States from Denver found in the last 72 hours was to Las Vegas, at $65 round-trip. The most popular route is from Denver (DEN) to Los Angeles (LAX), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $71.

Can I save money by flying with a layover from Denver to the United States?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $316, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Denver to the United States?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to the United States, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to the United States is January, when tickets cost $246 (return) on average. On the other hand, the most expensive months are March and April, when the average cost of round-trip tickets is $298 and $297 respectively.

What’s the cheapest day of the week to fly from Denver to United States?

The average price of all round-trip flights from Denver to the United States clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to United States on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Denver to United States. For your return ticket, we recommend flying on a Tuesday and avoiding Sundays for the best deals.

How far in advance should I book a flight from Denver to the United States?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to the United States, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to the United States, you should book around 3 weeks before departure, which saves you about 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$39
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from Denver to Las Vegas

Flights from Denver to the United States: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Denver to the United States 
Verified travelerFlew with DeltaDEN-SEAJun 2025
If you are on the left side of the plane you should spot Mt. Rainer on your way into Seattle.
JesseFlew with Air CanadaDEN-INDMay 2025
takes times in security check, so come early
Verified travelerFlew with Alaska AirlinesDEN-SEAOct 2024
Go early, it’s a big airport. There are two TSA screening areas, one might be more crowded than the other. From checking it to the gate give yourself at least 20-30 minutes to get there.
AdamFlew with SouthwestDEN-ORDOct 2024
Arriving T5 at ORD on Southwest is often a LONG walk, with no moving walkways going out, to baggage claim / pickup.
Verified travelerFlew with Qantas AirwaysDEN-LAXSep 2024
You don’t have to arrive two hours early since it is a domestic flight
JasonFlew with United AirlinesDEN-IADNov 2024
DIA is a large airport. Get there early.
kristenFlew with United AirlinesDEN-MCOJul 2024
allow plenty of time for your connection, if you're connecting somewhere, bc. its a very LARGE airport and your connection is likely a long trek....
F.Flew with United AirlinesDEN-PSCAug 2024
Check airline delay flight rate and choose another airline if you have important commitments to avoid frustration and missing important meetings.
Mike & DebbieFlew with SouthwestDEN-SDFAug 2024
Denver is a huge airport. Be prepared to walk plenty.
RogerFlew with United AirlinesDEN-SAFJun 2024
Also delayed. SAF road under ongoing construction for next several years. Car rental pickup is a disastrous 4 wheel drive off toad experience. Maybe flying ABX is better and then drive up to Santa Fe
MichaelFlew with United AirlinesDEN-INDMar 2024
Eat before you get on the plane. Arrive at the gate early if you have carry-on luggage.
Verified travelerFlew with Air CanadaDEN-COSMar 2024
Make sure if you need a wheelchair you have plenty of time to between connecting flights.
BindulFlew with United AirlinesDEN-IADFeb 2024
There are multiple flights between DEN and IAD everyday, including some wide bodies. Try and get on one of the wide bodies whenever possible.
RebeccaFlew with United AirlinesDEN-MSOFeb 2024
Big comfortable chairs that you can sleep on the B concourse.
BrianFlew with United AirlinesDEN-ORDJan 2024
Big airport. Make sure you have enough time between flights for rest, eating, etc…
RalphFlew with SouthwestDEN-PSPFeb 2024
If you really want a better seat make sure you upgrade.

FAQs - booking United States flights

  • Where can I park my car at Denver Airport?

    Denver offers both garage and lot parking. Both the garage and the economy lot are a short walk from the terminals. If you want to save some money, you can park at one of the off-site lots. Once you park your car, you can hop on the shuttle, which will take you to the airport to catch your flight. The shuttle ride is less than 10min.

  • What domestic airports have a shuttle or tram that will take you from one terminal to another?

    Some airports are quite large. If you don't want to walk from one terminal to another, there are several airports in the United States that have trams or people-moving systems. This includes the major airports in Detroit, Atlanta, Dallas, Chicago, Seattle, Miami, Tampa, Los Angeles, Houston, and Las Vegas.

  • What airports in the United States are a short distance from a major city?

    If you are planning a vacation and don't want to rent a car, you might want to fly into an airport that is close to a major city. Some airports to consider include Boston Logan International Airport, San Diego International Airport, Reno-Tahoe International Airport, Las Vegas McCarran International Airport, Memphis Airport, Chicago O'Hare Airport, and Washington-Reagan International. All of these airports are less than five miles from the city limits.

  • What can I do while waiting on my flight to leave Denver Airport?

    While waiting on your flight to leave Denver, you can relax at one of its airport lounges. There is one for members of the Delta Sky Club in addition to the USO Club and a lounge that is open to all airline passengers for a fee. At Denver International Airport, there are numerous sculptures, murals and photographs showcased throughout the terminals. While waiting on your flight, you can visit these exhibits. The airport also hosts special events annually such as ice skating and fitness classes.

  • How does KAYAK find such low prices on flights from Denver to 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 Denver to the United States.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Denver to 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 Denver to 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 from Denver to the United States with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to 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 Denver to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to the United States?

    The cheapest time of day to fly to the United States is generally in the evening, when round-trip flights cost $280 on average. Morning departures are around 36% more expensive than evening flights, on average. The most expensive time of day to fly to the United States is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $639.

Top tips for finding cheap flights to the United States

  • Looking for a cheap flight? 25% of our users found tickets from Denver to the following destinations at these prices or less: Dallas $116 one-way - $184 round-trip; Las Vegas $83 one-way - $141 round-trip; Los Angeles $115 one-way - $170 round-trip
  • You can fly non-stop from Denver to many cities in the United States, including Detroit Metropolitan, Washington Reagan National (in Washington D.C.), Phoenix, New York, Chicago, and Los Angeles.
  • If you're looking for a short domestic flight from Denver, you can fly to cities like Amarillo, TX, Des Moines, IA, Jackson, WY, and St. Louis, MO in less than 2h.
  • Denver International Airport has a drop-off zone for passengers. You can be dropped off on either side of Departures Level 6. In the drop-off zone, you can also check your bags and check in for your flight.
  • Several airports in the United States have meditation rooms, chapels or yoga rooms where you can pray and relax before your flight leaves. The Dallas/Fort Worth, Chicago O'Hare and Miami International Airports have yoga rooms. JFK, Washington Dulles and Denver International Airport all have chapels in the terminals.
  • There is a play area for kids at Denver International Airport. Here the kids can play games, do crafts or complete a crossroad puzzle. There are also activities for teens to enjoy.

Reviews of the top 5 airlines serving from Denver to the United States

 
Need help choosing which airline to fly with from Denver to the United States? 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 4251 reviews
7.0Food
8.0Comfort
8.6Crew
8.1Boarding
7.5Entertainment
Airline reviews

No delays and arrived to destination 30 min early. Staff was super friendly.

10.0 ExcellentIlevba, Nov 2025DCA - DAL
Read more Southwest reviews

No delays and arrived to destination 30 min early. Staff was super friendly.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

It was rough. The staff was unprofessional, the choice of on board drinks terrible, it was cramped in space at every airport, they always ran out of overhead bin space so they pressured people to check bags for free or we couldn’t leave on the plane— so I did check my bag to help, and they nearly lost my bag. My bag did not arrive on the luggage belt, another man on my flight and I had to waste our time going to the baggage office to search for our bags. I would only fly southwest again if it was my last choice. Also, my flights were consistently delayed over and over again— at one point they straight up told us we were waiting for the pilot to arrive.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Had to get off plane from prior flight even though I had to reboard same plane to continue to my final destination.

Everything a cheap airline should be at normal airline rates.

Plane crashed into a bus or some other vehicle on the ground while pulling out of the gate. No injuries, but wing tip was damaged and returned to gate for “maintenance issues” and we departed 5 hours later because the plane went out of service and new plane was flown in from a nearby airport, Midway.

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

Our flight from SFO to MSP was right on time on 11/15/2025. No delays. As we approached MSP at about 8 pm, we circled in the air until 8:40 pm so I don't call that efficient for MSP. I think the captain should announce the delay and why. (as if we all don't know that we are just circling around the area, slowing down, speeding up, slowing down.) Thank you. Marilyn Fischer

Service in business class was not impressive. I ordered coffee with dinner and then watched other people get 2 refills before I got my 1 cup of coffee, and only after I pressed the attendant button overhead. Furthermore, the seats in the forward cabin need maintenance on this 737-800: the upholstery is detaching from the seat frame, at least on the backs of seats 1C, 1D.

The ticket agents in West Palm Beach on Friday afternoon Nov. 7th were incredible in getting us on an earlier plane to Atlanta during the government shutdown. Had the taken our original flight we would have missed our connection. She did this on her own, We didn't even have to ask, and she did it all with a smile and showing genuine concern that we would be taken care of. We are very grateful and thankful. We fly often, and now we will be sure to fly Delta.

Flight delayed then cancelled. Misplaced luggage. Still do not have. Rented car 1100 mile drive. I had to buy some overnight Hotels clothes toiletries gas food at my expense. Still not home. Not sure where luggage is. Over 4 hours on hold to Felta

I truly love flying with Delta. They have always treated me with the upmost respect

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Crew seemed a bit cranky. No seatback screens. But boarding was efficient and on time and we arrived early.

See previous note about the passenger in Denver who threw my husband's bag out of the overhead bin in order to maker room for his own. And the flight attendant back up the new passenger.

Terrible. They wouldn't allow me on my flight on the 14th..

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

Electric plugs didn't work. Entertainment system wasn't working

The design of the light switch on the arm rest is ridiculous.

The gate attendant let me walk right by her with a bag too big for the overhead compartment

Overall, it was a good experience. Boarding was good and there was plenty of overhead bin space for everyone’s carryons (even when we boarded toward the end). Only improvement would be to offer trash service more regularly.

David went above and beyond to make our flight the best that it could be

We were told the flight was delayed 5 times, then it was moved to the next day.

More choices on snacks. Built-in video screen to enjoy entertainment choices.

we landed at cmh ten minutes early but had to sit on tarmac for twenty minutes because a plane was at our gate despite the fact that 3 other gates were open.

The experience with American Airlines was good, although the Philippines Airlines flight was much better (better seats, better food, better entertainment options, overall better). Again, the MIA to LAX flight was fine, but nothing in comparison to the comfort and accommodations of the Philippines Airlines flight from LAX to MNL.

I have a gluten allergy so did have any food

I have a gluten allergy so didn't have any food

Loved the crew . Absolutely no complaints. Except for luggage lost

Everything was good The connects, with no blame to crew. Or pilots. I understand they are short staffed. Everything went well for me. I'll be using you guys again in May if not sooner.

this plane was really old, had exit row seats and tray was in arm of seat so super uncomfortable to use. another seat they could t even use the tray it was broke. seat i. front of me had duct tape on it cause seat was ripped open... this plane should either be updated or retired.

Baggage handling poor. Second time this has happened. My bag went to San Francisco instead of Fiji. No apology. Luckily Nadi airport staff are fantastic. My bag arrived in Fiji the next day.

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

Better than expected. Staff were friendly and nice on both flights.

There was no one at the counter to assist with our check in. The app didn’t work, so I arrived at the airport with time to check in and I couldn’t because no employees were there. When I finally got someone on the phone, it was inside the 60min rule and they said I could no longer check in and they could sell me another ticket. We had to scramble and pay an additional $800 for tickets and THEN AFTER (about 60 min from my original convo with customer service and 10min after original departure time) I had boarded my new flight, there was email saying my original flight from Frontier was delayed and leaving 2hr 50min later, but I STILL wouldn’t have been able to check in. Which means customer service should have been able to see it and let me check in because I was well within my check in time. When I call Frontier, they hang up on me. So their app didn’t work and they employees left and they take zero responsibility or assistance with their “customer service”

Terrible. Flight cancelled with no reasoning and no flights to rebook. Employees were useless and did nothing to help. Did not even know where to retrieve luggage from the cancelled flight. Flyers beware.

No fault of Frontier staff: plane was very late, reached Orlando at 1 am, took a while to get luggage. Weather, gov financial shutdown impact on TSA, air controllers seemed to have multiple flights backed up. Frontier staff seemed to cope as gracefully as possible. It did reassure me that I and my new hip could adapt to travel challenges. Food/entertainment were irrelevant to my trip.

Terrible. The canceled my entire flight when I requested a refund for a trip frontier canceled trip one way.

Boarding was on time and plane departed as scheduled. There are obviously no amenities (food, drink, entertainment) on Frontier, but there also didn't seem to be any issues with luggage space either.

Inbound plane was on time and flight departed on time with no issues while boarding.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

Frontier is the Walmart of airlines. Frontier has removed adjustability and comfort from their seats to make the flight lighter and save gas. This makes it impossible to sleep on their flights. Their customer service is abysmal. Once, I bought a drink on the plane, and they swiped my credit card on the plane to pay for it. Then I got three weeks of daily notices from my bank telling me they tried to charge the wrong card number over and over again. I tried to call them, but they removed the ability to actually talk to someone that can resolve such a problem from their company to cut corners. The only way to talk to someone in person is to go to the check-in counter at the airport (40 minutes drive from my house). Eventually their system gave up on trying to charge the card, after 21 days of repeated tries. They don't pad their prices even a little to handle customer service issues like missed flights. They also have a blanket policy preventing helping you reschedule a missed flight if their system says you "cancelled" your own flight online. This is a major problem because their website is broken on mobile devices, the only web browser you have at the airport when their gate staff tell you that you have to reschedule your own missed flight online because they can't help you. I tried to reschedule my flight on my android device and instead, their website crashed and "cancelled" my missed flight. When I got to the counter, the agent argued with me for 5 minutes insisting that I intentionally cancelled my own flight (implying I had to buy another flight). She missed the point: the problem was that I could not buy another flight because their website is broken. I left to avoid more conflict with the "customer service" agent. I tried to redress my issue with their only other "customer service" chanel available: the contact form on their website. The response I got was more of the same: you cancelled your own flight, according to our website / computer records, therefore we won't help you. I was trying to explain the problem with their broken website that cost me hundreds of dollars by crashing / malfunctioning and resulting in a cancelled flight, but they only had deaf ears for this problem. Worst customer service I have ever experienced. I will never buy another Frontier flight again, because it is a risky, painful move that I will likely regret often.

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

Information on your arrival and departure airports