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Flights from Washington D.C. to Denver Starting at US$27

Discover our range of affordable one-way and round-trip flights from Washington D.C. to Denver and kick-start your next adventure today!

  • One way
  • Round-trip
      • DCA18:59
        4h 1m
        Direct
        DEN21:00
        Sat, Aug 31|Washington D.C. - Denver|Frontier Airlines
        US$27US$50
        46% OFF
        46% OFF
        US$50US$27
      • DCA07:00
        3h 54m
        Direct
        DEN08:54
        Sat, Sep 7|Washington D.C. - Denver|Frontier Airlines
        US$27US$50
        46% OFF
        46% OFF
        US$50US$27
      • DCA12:59
        4h 1m
        Direct
        DEN15:00
        Tue, Aug 27|Washington D.C. - Denver|Frontier Airlines
        US$27US$50
        46% OFF
        46% OFF
        US$50US$27
      • DCA07:00
        3h 54m
        Direct
        DEN08:54
        Sat, Sep 14|Washington D.C. - Denver|Frontier Airlines
        US$27
        US$27
      • DCA12:59
        4h 1m
        Direct
        DEN15:00
        Tue, Aug 20|Washington D.C. - Denver|Frontier Airlines
        US$28
        US$28
      • DCA18:59
        4h 1m
        Direct
        DEN21:00
        Sat, Aug 24|Washington D.C. - Denver|Frontier Airlines
        US$29
        US$29
      • DCA12:59
        4h 1m
        Direct
        DEN15:00
        Sat, Sep 21|Washington D.C. - Denver|Frontier Airlines
        US$29
        US$29
      • DCA07:00
        3h 54m
        Direct
        DEN08:54
        Wed, Aug 21|Washington D.C. - Denver|Frontier Airlines
        US$32
        US$32
      • DCA07:00
        3h 54m
        Direct
        DEN08:54
        Tue, Sep 3|Washington D.C. - Denver|Frontier Airlines
        US$37
        US$37
      • DCA07:00
        3h 54m
        Direct
        DEN08:54
        Sun, Sep 1|Washington D.C. - Denver|Frontier Airlines
        US$39
        US$39
      • WAS13:00
        3h 5m
        Direct
        DEN14:00
        Thu, Jul 11|Washington D.C. - Denver|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Washington D.C. to Denver

These price trend charts carefully monitor and predict how flight prices from Washington D.C. to Denver will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Washington D.C. to Denver

We have a range of prices from different airlines providing flights from Washington D.C. to Denver. Check below for the journey which best suits your travel needs.

Frontier Airlines
From US$27
United Airlines
From US$91
Sun Country Airlines
From US$95
Jetblue Airways
From US$98
Delta Air Lines
From US$104
American Airlines
From US$109
Southern Airways Express
From US$125
Southwest Airlines
From US$161
Alaska Airlines
From US$198
ANA airlines

Find more flights and airlines

Alternative Routes from Washington D.C. to Denver

Did you know that you can save money and time on an alternative route from Washington D.C. to Denver? Check out some of the different available routes below.

  • Cheapest
    Frontier Airlines
    DCA
    18:59
    4h 1m
    Direct
    DEN
    21:00
    Ronald Reagan Washington National Airport - Denver International Airport
    Sat, Aug 31Frontier Airlines
    US$27
  • United Airlines
    IAD
    08:24
    3h 45m
    Direct
    DEN
    10:09
    Washington Dulles International Airport - Denver International Airport
    Wed, Aug 21United Airlines
    US$91
  • United Airlines
    IAD
    08:24
    3h 45m
    Direct
    DEN
    10:09
    Washington Dulles International Airport - Denver International Airport
    Wed, Aug 21United Airlines
    US$91
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Washington D.C. (WAS) to Denver (DEN) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Denver based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Washington D.C. (WAS) to Denver (DEN) cost?

    According to Trip.com's data, the lowest price is around $306.

  • How long does it take to fly from Washington D.C. (WAS) to Denver (DEN) and what is the distance?

    It takes around 4 hours 55 minutes to fly from Washington D.C. (WAS) to Denver (DEN).

  • What are the most popular airlines that fly from Washington D.C. (WAS) to Denver (DEN)?

    Airlines with flights from Washington D.C. (WAS) to Denver (DEN): Southwest Airlines, United Airlines and Frontier Airlines.

How to find a cheap flight from Washington D.C. to Denver

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Washington D.C. to Denver

Cheapest nonstop flight price

$27

Cheapest round-trip ticket price

$56

Off-season for travel

August

Peak season for travel

October

Flight distance

2,368.31km

Average flight time

4 hours 55 minutes

Popular airline

Frontier Airlines

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