Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Denver to the United States from $42

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to the United States departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to the United States

Cheap round-trip flights

Frontier Logo
5:18 pm - 6:21 pmDEN-PHX
2h 03mnonstop
Frontier Logo
9:59 pm - 12:56 amPHX-DEN
1h 57mnonstop
$85Frontier
Find Deal
Tue, Oct 7 - Thu, Oct 9
Frontier Logo
8:55 pm - 9:55 pmDEN-PHX
2h 00mnonstop
Frontier Logo
4:14 pm - 7:10 pmPHX-DEN
1h 56mnonstop
$86Frontier
Find Deal
Wed, Oct 15 - Tue, Oct 21
Frontier Logo
8:55 pm - 9:55 pmDEN-PHX
2h 00mnonstop
Frontier Logo
9:59 pm - 12:56 amPHX-DEN
1h 57mnonstop
$87Frontier
Find Deal
Wed, Oct 22 - Fri, Oct 24
Frontier Logo
4:14 pm - 5:13 pmDEN-PHX
1h 59mnonstop
Frontier Logo
9:05 am - 12:03 pmPHX-DEN
1h 58mnonstop
$88Frontier
Find Deal
Thu, Oct 2 - Mon, Oct 6
Delta Logo
7:51 pm - 10:02 pmDEN-SEA
3h 11mnonstop
Delta Logo
3:15 pm - 6:55 pmSEA-DEN
2h 40mnonstop
$133Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
12:43 pm - 2:09 pmDEN-LAX
2h 26mnonstop
Delta Logo
8:25 pm - 11:50 pmLAX-DEN
2h 25mnonstop
$137Delta
Find Deal
Wed, Oct 8 - Wed, Oct 8
Southwest Logo
6:05 am - 7:00 amDEN-LAS
1h 55mnonstop
Southwest Logo
9:00 pm - 11:55 pmLAS-DEN
1h 55mnonstop
$142Southwest
Find Deal
Sat, Oct 25 - Mon, Oct 27
American Airlines Logo
7:22 am - 5:01 pmDEN-EWR
7h 39m1 stop
American Airlines Logo
1:44 pm - 7:01 pmEWR-DEN
7h 17m1 stop
$218American Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 4
United Airlines Logo
11:59 pm - 5:40 amDEN-EWR
3h 41mnonstop
United Airlines Logo
8:20 am - 10:35 amEWR-DEN
4h 15mnonstop
$227United Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
United Airlines Logo
3:45 pm - 9:34 pmDEN-EWR
3h 49mnonstop
United Airlines Logo
9:00 pm - 11:18 pmEWR-DEN
4h 18mnonstop
$237United Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6

Delta flights from Denver to United States

Our best Delta deals on Denver to United States flight tickets
Delta
Nov 13
DEN7:51 pmDenver Intl
3h 11m
SEA10:02 pmSeattle/Tacoma Intl
Nov 17
SEA3:15 pmSeattle/Tacoma Intl
2h 40m
DEN6:55 pmDenver Intl
$133
Find similar
Delta
Oct 8
DEN12:43 pmDenver Intl
2h 26m
LAX2:09 pmLos Angeles
Oct 8
LAX8:25 pmLos Angeles
2h 25m
DEN11:50 pmDenver Intl
$137
Find similar
Delta
Nov 14
DEN5:16 amDenver Intl
5h 03m
1 stop
SEA9:19 amSeattle/Tacoma Intl
Nov 17
SEA7:35 pmSeattle/Tacoma Intl
2h 47m
DEN11:22 pmDenver Intl
$143
Find similar

Frontier flights from Denver to United States

Our best Frontier deals on Denver to United States flight tickets
Frontier
Oct 7
DEN5:18 pmDenver Intl
2h 03m
PHX6:21 pmPhoenix Sky Harbor Intl
Oct 9
PHX9:59 pmPhoenix Sky Harbor Intl
1h 57m
DEN12:56 amDenver Intl
$85
Find similar
Frontier
Oct 15
DEN8:55 pmDenver Intl
2h 00m
PHX9:55 pmPhoenix Sky Harbor Intl
Oct 21
PHX4:14 pmPhoenix Sky Harbor Intl
1h 56m
DEN7:10 pmDenver Intl
$86
Find similar
Frontier
Oct 22
DEN8:55 pmDenver Intl
2h 00m
PHX9:55 pmPhoenix Sky Harbor Intl
Oct 24
PHX9:59 pmPhoenix Sky Harbor Intl
1h 57m
DEN12:56 amDenver Intl
$87
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Denver to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 10/7

5:18 pm-6:21 pm

Nonstop2h 03m

Phoenix Sky Harbor Intl

Thu 10/9

9:59 pm-12:56 am

Nonstop1h 57m

$85

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 10/15

8:55 pm-9:55 pm

Nonstop2h 00m

Phoenix Sky Harbor Intl

Tue 10/21

4:14 pm-7:10 pm

Nonstop1h 56m

$86

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 10/22

8:55 pm-9:55 pm

Nonstop2h 00m

Phoenix Sky Harbor Intl

Fri 10/24

9:59 pm-12:56 am

Nonstop1h 57m

$87

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 10/2

4:14 pm-5:13 pm

Nonstop1h 59m

Phoenix Sky Harbor Intl

Mon 10/6

9:05 am-12:03 pm

Nonstop1h 58m

$88

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 11/13

7:51 pm-10:02 pm

Nonstop3h 11m

Seattle/Tacoma Intl

Mon 11/17

3:15 pm-6:55 pm

Nonstop2h 40m

$133

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 10/8

12:43 pm-2:09 pm

Nonstop2h 26m

Los Angeles

Wed 10/8

8:25 pm-11:50 pm

Nonstop2h 25m

$137

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sat 10/25

6:05 am-7:00 am

Nonstop1h 55m

Las Vegas Harry Reid Intl

Mon 10/27

9:00 pm-11:55 pm

Nonstop1h 55m

$142

DenverNewark

DEN - EWR

DENEWR

Denver Intl

Wed 12/3

7:22 am-5:01 pm

1 stop7h 39m

Newark

Thu 12/4

1:44 pm-7:01 pm

1 stop7h 17m

$218

DenverNewark

DEN - EWR

DENEWR

Denver Intl

Fri 10/3

11:59 pm-5:40 am

Nonstop3h 41m

Newark

Mon 10/6

8:20 am-10:35 am

Nonstop4h 15m

$227

DenverNewark

DEN - EWR

DENEWR

Denver Intl

Fri 10/3

3:45 pm-9:34 pm

Nonstop3h 49m

Newark

Mon 10/6

9:00 pm-11:18 pm

Nonstop4h 18m

$237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to the United States from

How to get the cheapest flight ticket from Denver to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United States?

In general, October is the cheapest month to fly from Denver to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $243. If you aren’t able to travel during the month of October, then book flights to United States from Denver during January instead. Flights to United States in January, while not as cheap as those in October, still average around $247.

What is the cheapest day to depart on your flight to United States?

According to our data, Thursday is the cheapest day to fly to United States from Denver. The lowest ticket price found for a Thursday departure recently was $342. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $522. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $275. Try not to purchase tickets at noon because they tend to be around $661. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Denver Intl to Las Vegas Harry Reid Intl for the best Denver Intl - United States flight prices

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

You are more likely to see cheaper flights to United States from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $278 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Denver for as low as $222 on momondo.

What cabin class options are available on Denver Intl to United States flights?

There are 4 cabin classes available to choose from on Denver Intl to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to United States flights?

No. A direct flight is the cheapest option for a flight between Denver to United States.

Cheap Denver to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to United States

Best Price Found

$67

Fastest flight time

1h 54m

Direct flights

Every day

Airports in United States

3 airports
The best one-way flight to United States from Denver in the past 72 hours is $67. The best round-trip flight deal from Denver to United States found on momondo in the last 72 hours is $99.
The fastest flight from Denver to United States takes 1h 54m
Direct flights go from Denver to United States every day.
There are 3 airports near United States: Phoenix Sky Harbor Intl (PHX), Dallas/Fort Worth (DFW), Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • When did momondo last update prices for flights from Denver Intl Airport to United States?

    Prices for flights from Denver Intl Airport to United States were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to United States?

  • How old do you have to be to fly from Denver Intl Airport to United States?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Denver to United States?

Best airlines flying from Denver to United States

Compare and see reviews for airlines that fly from Denver to United States with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $58Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $88Free CancellationRating
7.9
7,961 reviews
Search Delta flights
JetBluePriceFrom $127Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
SouthwestPriceFrom $138Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $140Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $144Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Sun Country AirPriceFrom $168Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
Alaska AirlinesPriceFrom $229Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Denver to United States with flexible booking policies on momondo?

Flights from Denver to United States with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to United States?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to United States.

I’m not ready to book a flight from Denver to United States right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Denver and alert you when they change.

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $49
Flights to Los Angelesfrom $49
Flights to Miamifrom $49
Flights to Chicagofrom $49
Flights to Orlandofrom $60
Flights to Las Vegasfrom $48
Flights to San Franciscofrom $53
Flights to Washington, D.C.from $49
Flights to Bostonfrom $62
Flights to Atlantafrom $51
Flights to Dallasfrom $68
Flights to Seattlefrom $69