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$39+ Cheap flights from Denver (DEN) to the United States

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Denver to USA

Cheapest flights from Denver to USA
Explore the most affordable flight options available from Denver to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:33 pmDEN - DFW
Nonstop2h 07mFrontier
Sat 12/131:34 pmDFW - DEN
Nonstop2h 15mFrontier
Deal found 10/16$88
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:19 pmDEN - PHX
Nonstop2h 00mFrontier
Tue 10/286:11 pmPHX - DEN
Nonstop1h 53mFrontier
Deal found 10/16$89
This Frontier deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:05 pmDEN - DFW
Nonstop2h 05mFrontier
Sun 11/212:51 pmDFW - DEN
Nonstop2h 19mFrontier
Deal found 10/16$89
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amDEN - PHX
1 stop8h 51mFrontier
Sun 12/79:16 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 10/16$90
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:00 amDEN - DFW
Nonstop2h 07mFrontier
Sun 1/1810:39 pmDFW - DEN
Nonstop2h 20mFrontier
Deal found 10/16$90
This Cheapflightsfares deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:00 amDEN - LAS
Nonstop2h 05mFrontier
Wed 12/176:00 amLAS - DEN
Nonstop2h 04mFrontier
Deal found 10/14$91
This Priceline deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:18 pmDEN - PHX
Nonstop2h 03mFrontier
Tue 10/217:30 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 10/13$91
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amDEN - LAX
1 stop13h 53mFrontier
Wed 11/127:00 amLAX - DEN
Nonstop2h 35mFrontier
Deal found 10/15$91
This Frontier deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:56 pmDEN - DFW
Nonstop2h 15mFrontier
Mon 11/310:28 pmDFW - DEN
Nonstop2h 16mFrontier
Deal found 10/14$91
This Priceline deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:15 pmDEN - LAS
Nonstop2h 09mFrontier
Fri 11/216:00 amLAS - DEN
Nonstop2h 08mFrontier
Deal found 10/14$92
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:00 amDEN - PHX
Nonstop2h 02mFrontier
Tue 11/46:11 pmPHX - DEN
Nonstop1h 53mFrontier
Deal found 10/14$92
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:55 pmDEN - LAX
Nonstop2h 32mFrontier
Mon 11/179:22 pmLAX - DEN
Nonstop2h 35mFrontier
Deal found 10/14$92

Cheap flight deals from Denver to USA

Keep the following information in mind while searching for Denver to USA flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$88
(Kiwi.com)

One-way from

$39
(CheapOair)

Popular in

March

Cheapest in

January

Average price

$262

Good round-trip deal

$85 or less

Good one-way deal

$56 or less
Provider with most accurate pricing for Denver Intl-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-New York (NYC) flights.
Search Deals
From Denver Intl to USA
Search Deals
One-way flight from Denver Intl to USA
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Denver Intl to USA.
Search Deals
Price to beat on a one-way flight from Denver Intl to USA.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to USA 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, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Denver to the United States that are best for you.

Fly from

Denver

Fly to

USA

Route

Depart

Return

Price

DenverDallas

DEN - DFW

DENDFW

Denver Intl

Thu 10/23

9:19 pm-12:24 am

Nonstop2h 05m

Dallas/Fort Worth

Mon 10/27

5:10 am-6:26 am

Nonstop2h 16m

$113

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Thu 1/8

6:30 am-8:12 am

Nonstop2h 42m

Los Angeles

Tue 1/13

7:35 pm-10:55 pm

Nonstop2h 20m

$117

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 1/7

6:30 am-8:12 am

Nonstop2h 42m

Los Angeles

Thu 1/22

7:35 pm-10:55 pm

Nonstop2h 20m

$117

DenverDallas

DEN - DFW

DENDFW

Denver Intl

Thu 11/6

6:25 am-9:33 am

Nonstop2h 08m

Dallas/Fort Worth

Sun 11/9

10:35 pm-11:34 am

2 stops13h 59m

$125

DenverDallas

DEN - DFW

DENDFW

Denver Intl

Fri 11/14

9:05 pm-12:10 am

Nonstop2h 05m

Dallas/Fort Worth

Fri 11/21

10:12 pm-11:28 pm

Nonstop2h 16m

$125

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 12/24

7:50 am-9:36 am

Nonstop2h 46m

Los Angeles

Thu 1/8

4:10 pm-7:37 pm

Nonstop2h 27m

$128

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 12/31

6:45 am-8:28 am

Nonstop2h 43m

Los Angeles

Tue 1/6

7:35 pm-10:55 pm

Nonstop2h 20m

$137

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Thu 1/1

6:45 am-8:28 am

Nonstop2h 43m

Los Angeles

Tue 1/6

7:35 pm-10:55 pm

Nonstop2h 20m

$137

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Thu 1/8

10:05 am-2:05 pm

1 stop5h 00m

Las Vegas Harry Reid Intl

Sun 1/11

6:55 am-9:45 am

Nonstop1h 50m

$147

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Tue 1/13

8:45 am-10:30 am

Nonstop2h 45m

Los Angeles

Tue 1/13

3:10 pm-8:00 pm

1 stop3h 50m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 60 results
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Best time to book a flight from Denver to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Denver to USA?

Currently, March is the cheapest month in which you can book a flight from Denver to USA (average of $29). Flying from Denver to USA in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to US?

Find hourly flight availability from Denver to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s typically best to fly out from Denver to USA in the evening. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Denver to USA?

Use this chart to determine the cheapest time to fly round-trip from Denver to USA. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Denver to USA flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to USA

Explore weekly flight availability from Denver to USA. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 16, 2025.

The most flights from DEN to US0 are scheduled on a Thursday (101 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (77 on average).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated October 16, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Denver to the United States. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,984 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,982 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,043 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,137 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Denver to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to United States?

    For a flight from Denver to United States, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

  • How popular is this Denver to USA flight route?

    Flights from Denver Intl to United States have been viewed 381 times in the past calendar month.

  • How long is the flight from Denver to USA?

    A quick flight from Denver to USA can take about 2h 05m. Frontier provides one of the quickest options available for as low as $113. The distance between Denver and USA is about 641 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Denver to USA one-way?

    The cheapest airlines for a one-way flight from Denver to USA are Frontier ($44), United Airlines ($62), and Southwest ($69).

  • What are the most popular routes from Denver to USA?

    The most popular route from Denver to USA is Denver Intl - Las Vegas Harry Reid Intl. You may also consider Denver Intl - New York John F Kennedy Intl or Denver Intl - New York LaGuardia.

  • What are the most reliable airlines from Denver to USA?

    The top 3 most reliable airlines when flying from Denver to USA are ANA (93%), SWISS (93%) and Avianca (92%).

  • What are the cheapest flights from Denver to USA?

    Looking for the cheapest flight from Denver to USA? While on average our users pay $1,071, our data indicates the cheapest price to be $67. The most popular route (Denver Intl - Las Vegas Harry Reid Intl), is priced around $53.

  • Can I find deals for flights from Denver to USA that include hotel bookings?

    Yes. In addition to deals on Denver to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to USA.

  • Can I find deals for business class flights from Denver to USA?

    Yes. Cheapflights offers flight deals from Denver to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to USA?

    Currently, March is the cheapest month in which you can book a flight from Denver to USA (average of $29). Flying from Denver to USA in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Denver to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Denver to Milwaukee flights
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Top 8 airlines flying from Denver to USA

Discover the top 8 airlines that operate flights from Denver to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$202FlexibilityNo cancel feeOn-time62%
DeltaCheapest$88Average$301FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$128Average$300FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$138Average$311FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$141Average$351FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$151Average$290FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$179Average$320FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$229Average$566FlexibilityNo cancel feeOn-time75%

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