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$43+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$89
(Frontier)

One-way from

$43
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$316

Good round-trip deal

$38 or less

Good one-way deal

$39 or less
Provider with most accurate pricing for Denver Intl-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-New York (NYC) flights.
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From Denver Intl to USA
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One-way flight from Denver Intl to USA
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Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Denver Intl to USA.
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Price to beat on a one-way flight from Denver Intl to USA.
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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 March 25, 2025.

This Frontier deal was found by Cheapflights users on 3/23. 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.
Sat 4/123:16 pmDEN - LAS
Nonstop2h 09mFrontier
Sat 4/127:16 pmLAS - DEN
Nonstop2h 02mFrontier
Deal found 3/23$89
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/125:30 amDEN - DFW
Nonstop2h 04mFrontier
Tue 4/156:15 amDFW - DEN
Nonstop2h 19mFrontier
Deal found 3/24$97
This Frontier deal was found by Cheapflights users on 3/24. 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.
Wed 4/2311:02 amDEN - PHX
Nonstop2h 05mFrontier
Sat 4/265:40 amPHX - DEN
Nonstop1h 56mFrontier
Deal found 3/24$98
This Frontier deal was found by Cheapflights users on 3/24. 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.
Wed 4/2310:43 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/266:25 amSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/24$98
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:29 pmDEN - LAS
Nonstop2h 09mMultiple Airlines
Wed 5/72:00 pmLAS - DEN
1 stop6h 15mMultiple Airlines
Deal found 3/24$131
This CheapOair deal was found by Cheapflights users on 3/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/96:00 amDEN - HOU
Nonstop2h 32mFrontier
Wed 4/1610:36 amHOU - DEN
Nonstop2h 43mFrontier
Deal found 3/24$138
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:55 pmDEN - LAS
Nonstop2h 00mSouthwest
Mon 5/125:50 amLAS - DEN
Nonstop1h 50mSouthwest
Deal found 3/24$141
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/267:00 amDEN - SEA
Nonstop3h 00mHawaiian Airlines
Mon 4/288:20 pmSEA - DEN
Nonstop2h 39mHawaiian Airlines
Deal found 3/23$156
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:15 amDEN - SEA
1 stop7h 34mUnited Airlines
Wed 4/305:14 amSEA - DEN
Nonstop2h 43mUnited Airlines
Deal found 3/23$163
This Trip.com deal was found by Cheapflights users on 3/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:37 pmDEN - SAN
1 stop6h 22mMultiple Airlines
Tue 4/291:10 pmSAN - DEN
Nonstop2h 36mMultiple Airlines
Deal found 3/23$163
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/227:55 pmDEN - SEA
Nonstop3h 00mAlaska Airlines
Wed 4/305:30 amSEA - DEN
1 stop4h 51mAlaska Airlines
Deal found 3/23$167
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:21 pmDEN - SEA
Nonstop2h 56mMultiple Airlines
Fri 5/98:20 pmSEA - DEN
Nonstop2h 39mMultiple Airlines
Deal found 3/24$171

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 March 25, 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

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sat 4/12

3:16 pm-4:25 pm

Nonstop2h 09m

Las Vegas Harry Reid Intl

Sat 4/12

7:16 pm-10:18 pm

Nonstop2h 02m

$89

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 4/23

11:02 am-12:07 pm

Nonstop2h 05m

Phoenix Sky Harbor Intl

Sat 4/26

5:40 am-8:36 am

Nonstop1h 56m

$98

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 4/23

10:43 pm-12:14 am

Nonstop2h 31m

San Diego

Sat 4/26

6:25 am-9:57 am

Nonstop2h 32m

$98

DenverDallas

DEN - DFW

DENDFW

Denver Intl

Tue 4/22

6:00 am-9:07 am

Nonstop2h 07m

Dallas/Fort Worth

Wed 4/23

6:00 am-7:19 am

Nonstop2h 19m

$108

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 4/22

10:37 pm-12:44 am

Nonstop3h 07m

Seattle/Tacoma Intl

Tue 4/29

6:00 am-9:46 am

Nonstop2h 46m

$112

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sat 5/3

5:29 pm-6:38 pm

Nonstop2h 09m

Las Vegas Harry Reid Intl

Wed 5/7

2:00 pm-9:15 pm

1 stop6h 15m

$131

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Wed 4/9

6:00 am-9:32 am

Nonstop2h 32m

Houston Hobby

Wed 4/16

10:36 am-12:19 pm

Nonstop2h 43m

$138

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Fri 5/9

8:55 pm-9:55 pm

Nonstop2h 00m

Las Vegas Harry Reid Intl

Mon 5/12

5:50 am-8:40 am

Nonstop1h 50m

$141

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 4/23

10:37 pm-12:44 am

Nonstop3h 07m

Seattle/Tacoma Intl

Wed 4/30

5:30 am-11:21 am

1 stop4h 51m

$142

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 4/22

7:00 am-9:00 am

Nonstop3h 00m

Seattle/Tacoma Intl

Wed 4/30

8:20 pm-11:59 pm

Nonstop2h 39m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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, January is the cheapest month in which you can book a flight from Denver to USA (average of $246). Flying from Denver to USA in March is currently the most expensive (average of $330). 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 March 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to USA as you normally would.

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 March 25, 2025.

The most flights from DEN to US0 are scheduled on a Friday (94 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (70 on average).

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit USA when rainfall is around 2.8 in.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 March 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Denver to USA. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 412 times in the past calendar month.

  • 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 ($43), United Airlines ($71), and Southwest ($76).

  • 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 - Newark or Denver Intl - Dallas/Fort Worth.

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

    The top 3 most reliable airlines when flying from Denver to USA are SAUDIA (100%), Gulf Air (95%) and Fiji Airways (93%).

  • What are the cheapest flights from Denver to USA?

    Looking for the cheapest flight from Denver to USA? While on average our users pay $1,990, our data indicates the cheapest price to be $48. The most popular route (Denver Intl - Las Vegas Harry Reid Intl), is priced around $105.

  • 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, January is the cheapest month in which you can book a flight from Denver to USA (average of $246). Flying from Denver to USA in March is currently the most expensive (average of $330). 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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Top 10 airlines flying from Denver to USA

Discover the top 10 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$159FlexibilityNo cancel feeOn-time62%
CitizenPlaneCheapest$64Average$191FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$88Average$286FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$92Average$181FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$101Average$270FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$108Average$253FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$118Average$303FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$138Average$418FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$142Average$339FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$148Average$290FlexibilityNo cancel feeOn-time71%
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