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Cheap flights from the United States to Denver (DEN) - Compare and Save

LAX — DEN
Jul 3 — Jul 101
Thu 7/3
Thu 7/10
1 adult, Economy
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Cheap flight deals from USA to Denver

Keep the following information in mind while searching for USA to Denver flight deals. Data was last updated June 28, 2025.

Round-trip from

$119
(CheapOair)

One-way from

$69
(Priceline)

Popular in

December

Cheapest in

September

Average price

$337

Good round-trip deal

$88 or less

Good one-way deal

$42 or less
From USA to Denver Intl
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One-way flight from USA to Denver Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from USA to Denver Intl.
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Price to beat on a one-way flight from USA to Denver Intl.
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Find flight deals from USA to Denver

Cheapest flights from USA to Denver
Explore the most affordable flight options available from USA to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2025.

This FlightHub deal was found by Cheapflights users on 6/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2810:26 pmDFW - DEN
Nonstop2h 26mFrontier
Sat 7/56:30 amDEN - DFW
Nonstop2h 05mFrontier
Deal found 6/27$119
This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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.
Tue 7/18:00 pmDFW - DEN
Nonstop2h 25mFrontier
Sun 7/136:06 amDEN - DFW
Nonstop2h 05mFrontier
Deal found 6/27$120
This Priceline deal was found by Cheapflights users on 6/28. 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.
Sat 7/510:26 pmDFW - DEN
Nonstop2h 24mFrontier
Wed 7/98:31 pmDEN - DFW
1 stop10h 27mFrontier
Deal found 6/28$121
This Frontier deal was found by Cheapflights users on 6/27. 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 7/710:26 pmDFW - DEN
Nonstop2h 24mFrontier
Thu 7/106:06 amDEN - DFW
Nonstop2h 05mFrontier
Deal found 6/27$122
This Frontier deal was found by Cheapflights users on 6/27. 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 6/305:20 amDFW - DEN
Nonstop2h 19mFrontier
Sat 7/56:30 amDEN - DFW
Nonstop2h 05mFrontier
Deal found 6/27$123
This Priceline deal was found by Cheapflights users on 6/28. 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.
Fri 7/2510:26 pmDFW - DEN
Nonstop2h 24mFrontier
Mon 7/287:32 amDEN - DFW
1 stop8h 37mFrontier
Deal found 6/28$124
This Priceline deal was found by Cheapflights users on 6/28. 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.
Sun 7/2710:26 pmDFW - DEN
Nonstop2h 24mFrontier
Sun 8/37:32 amDEN - DFW
1 stop8h 37mFrontier
Deal found 6/28$125
This Trip.com deal was found by Cheapflights users on 6/28. 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.
Wed 8/132:50 pmDFW - DEN
1 stop7h 27mFrontier
Wed 8/205:00 pmDEN - DFW
Nonstop2h 16mFrontier
Deal found 6/28$126
This Frontier deal was found by Cheapflights users on 6/28. 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 8/136:59 pmDFW - DEN
Nonstop2h 24mFrontier
Wed 8/1312:34 amDEN - DFW
1 stop11h 33mFrontier
Deal found 6/28$127
This Frontier deal was found by Cheapflights users on 6/28. 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.
Sun 7/65:35 amDFW - DEN
Nonstop2h 14mFrontier
Tue 7/88:30 pmDEN - DFW
Nonstop2h 10mFrontier
Deal found 6/28$128
This Priceline deal was found by Cheapflights users on 6/27. 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.
Tue 7/17:15 amDFW - DEN
Nonstop2h 17mFrontier
Thu 7/106:06 amDEN - DFW
Nonstop2h 05mFrontier
Deal found 6/27$129
This Frontier deal was found by Cheapflights users on 6/28. 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.
Sun 6/2910:26 pmDFW - DEN
Nonstop2h 26mFrontier
Thu 7/316:06 amDEN - DFW
Nonstop2h 05mFrontier
Deal found 6/28$130

Cheapflights Fare Finder

Customize your flight search to find flights from USA to Denver 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 June 28, 2025.
Use the filters below to find and compare flights from the United States to Denver that are best for you.

Fly from

USA

Fly to

Denver

Route

Depart

Return

Price

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Sat 7/26

10:26 pm-11:50 pm

Nonstop2h 24m

Denver Intl

Wed 7/30

9:27 pm-7:18 pm

1 stop20h 51m

$119

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Fri 7/11

10:26 pm-11:50 pm

Nonstop2h 24m

Denver Intl

Sun 7/13

6:06 am-9:11 am

Nonstop2h 05m

$120

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Wed 7/16

2:50 pm-9:17 pm

1 stop7h 27m

Denver Intl

Wed 7/23

8:30 pm-11:40 pm

Nonstop2h 10m

$121

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Sat 7/12

10:26 pm-11:50 pm

Nonstop2h 24m

Denver Intl

Fri 7/25

11:34 am-11:34 pm

1 stop11h 00m

$122

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Thu 8/7

2:25 pm-11:56 pm

1 stop10h 31m

Denver Intl

Sat 8/9

6:30 am-9:35 am

Nonstop2h 05m

$123

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Fri 7/25

10:26 pm-11:50 pm

Nonstop2h 24m

Denver Intl

Mon 7/28

7:32 am-5:09 pm

1 stop8h 37m

$124

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Sun 7/27

10:26 pm-11:50 pm

Nonstop2h 24m

Denver Intl

Sun 8/3

7:32 am-5:09 pm

1 stop8h 37m

$125

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Wed 8/13

2:50 pm-9:17 pm

1 stop7h 27m

Denver Intl

Wed 8/20

5:00 pm-8:16 pm

Nonstop2h 16m

$126

DallasDenver

DFW - DEN

DFWDEN

Dallas/Fort Worth

Wed 8/13

6:59 pm-8:23 pm

Nonstop2h 24m

Denver Intl

Wed 8/13

12:34 am-1:07 pm

1 stop11h 33m

$127

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Thu 8/7

5:35 am-7:00 am

Nonstop2h 25m

Denver Intl

Mon 8/11

8:50 pm-12:15 am

Nonstop2h 25m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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

Have a flexible travel schedule? Discover the best time to fly to Denver from USA 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 the United States to Denver

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

Currently, October is the cheapest month in which you can book a flight from USA to Denver (average of $197). Flying from USA to Denver in March is currently the most expensive (average of $278). 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 US to DEN?

Find hourly flight availability from USA to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 28, 2025.

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

Weekly flight availability from USA to Denver

Explore weekly flight availability from USA to Denver. 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 June 28, 2025.

The most flights from US0 to DEN are scheduled on a Friday (98 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (67 on average).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated June 28, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from the United States to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,527 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,844 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from USA to Denver. 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 into for flights to Denver from United States?

    Most people fly into Denver Intl (DEN) if they book a flight to Denver from United States. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How popular is this USA to Denver flight route?

    The United States to Denver Intl flight path was viewed by 368 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from USA to Denver for a low price.

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

    The most popular flight routes from USA to Denver are Dallas/Fort Worth - Denver Intl, New York LaGuardia - Denver Intl and Chicago O'Hare Intl - Denver Intl.

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

    Consider LATAM Airlines (93%), Air France (90%) or EL AL (90%) when booking your flight. These represent the most reliable airlines when flying from USA to Denver.

  • What are the cheapest flights from USA to Denver?

    While on average a flight from USA to Denver is generally $754, our data shows the cheapest flight currently is $89. When looking at the most popular route, (Dallas/Fort Worth - Denver Intl), you can expect to pay $96 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA to Denver 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 USA to Denver?

    Currently, October is the cheapest month in which you can book a flight from USA to Denver (average of $197). Flying from USA to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near the United States?

Book flights to the United States if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Broomfield
Grand Lake
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Denver flights
LaGuardia to Denver flights
O'Hare Intl to Denver flights
John F Kennedy Intl to Denver flights
Seattle to Denver flights
Los Angeles to Denver flights
Newark to Denver flights
San Francisco to Denver flights
Hobby to Denver flights
Atlanta to Denver flights
Philadelphia to Denver flights
Baltimore to Denver flights
Boston to Denver flights
Minneapolis to Denver flights
Charlotte to Denver flights
George Bush Intcntl to Denver flights
Ontario to Denver flights
Austin to Denver flights
Raleigh to Denver flights
Sky Harbor Intl to Denver flights
Detroit to Denver flights
Reagan-National to Denver flights
Portland to Denver flights
Tampa to Denver flights
Santa Ana to Denver flights
Dulles Intl to Denver flights
Midway to Denver flights
St. Louis to Denver flights
Cincinnati to Denver flights
Hartford to Denver flights
Orlando to Denver flights
Grand Rapids to Denver flights
Cleveland to Denver flights
San Jose to Denver flights
San Diego to Denver flights
Milwaukee to Denver flights
Fort Lauderdale to Denver flights
Love Field to Denver flights
Indianapolis to Denver flights
Pittsburgh to Denver flights
Miami to Denver flights
Madison to Denver flights
Nashville to Denver flights
Columbus to Denver flights
Fayetteville to Denver flights
Richmond to Denver flights
Des Moines to Denver flights
Kansas City to Denver flights
Norfolk to Denver flights
Sioux Falls to Denver flights

Top 10 airlines flying from USA to Denver

Discover the top 10 airlines that operate flights from USA to Denver. 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 June 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$51Average$170FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$71Average$184FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$87Average$96FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$98Average$239FlexibilityNo cancel feeOn-time85%
DeltaCheapest$112Average$285FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$116Average$357FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$120Average$302FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$122Average$275FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$136Average$339FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$142Average$299FlexibilityNo cancel feeOn-time71%

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