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Washington, D.C.

$54+ Cheap flights from Denver (DEN) to Washington, D.C. (WAS)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — WAS
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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The best prices from Denver Intl to Washington, D.C. are usually found in April or February, booked 65 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Denver to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$133
(Frontier)

One-way from

$54
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$258
Provider with most accurate pricing for Denver Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Washington, D.C. (WAS) flights.
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From Denver Intl to Washington, D.C. (WAS)
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One-way flight from Denver Intl to Washington, D.C. (WAS)
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Denver to Washington, D.C.

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

This Frontier deal was found by Cheapflights users on 1/16. 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.
Mon 2/106:43 amDEN - DCA
Nonstop3h 23mFrontier
Sun 2/167:00 amDCA - DEN
Nonstop4h 12mFrontier
Deal found 1/16$133
This FlightHub deal was found by Cheapflights users on 1/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:39 pmDEN - IAD
1 stop18h 15mFrontier
Sat 3/85:41 pmIAD - DEN
1 stop7h 15mFrontier
Deal found 1/15$134
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/156:00 amDEN - IAD
Nonstop3h 18mUnited Airlines
Sat 2/2210:20 pmIAD - DEN
Nonstop4h 10mUnited Airlines
Deal found 1/15$177
This Mytrip deal was found by Cheapflights users on 1/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/276:50 pmDEN - IAD
1 stop15h 44mMultiple Airlines
Sat 3/13:04 pmIAD - DEN
1 stop19h 58mMultiple Airlines
Deal found 1/15$188
This Frontier deal was found by Cheapflights users on 1/16. 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.
Mon 3/246:00 amDEN - BWI
Nonstop3h 30mFrontier
Tue 4/13:53 pmBWI - DEN
1 stop9h 46mFrontier
Deal found 1/16$189
This Southwest deal was found by Cheapflights users on 1/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/129:50 amDEN - IAD
Nonstop3h 15mSouthwest
Tue 2/255:50 pmIAD - DEN
Nonstop4h 05mSouthwest
Deal found 1/15$197
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/119:40 amDEN - DCA
Nonstop3h 19mUnited Airlines
Wed 2/197:00 pmDCA - DEN
1 stop6h 30mUnited Airlines
Deal found 1/16$203
This JetBlue deal was found by Cheapflights users on 1/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/511:59 pmDEN - DCA
1 stop6h 55mJetBlue
Mon 3/105:15 pmDCA - DEN
1 stop7h 49mJetBlue
Deal found 1/16$217
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1412:41 pmDEN - DCA
1 stop7h 19mDelta
Tue 2/185:10 pmDCA - DEN
1 stop7h 37mDelta
Deal found 1/16$237
This Southwest deal was found by Cheapflights users on 1/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:10 pmDEN - BWI
Nonstop3h 30mSouthwest
Tue 4/159:00 pmBWI - DEN
Nonstop4h 05mSouthwest
Deal found 1/16$237
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/202:35 pmDEN - IAD
1 stop6h 59mDelta
Mon 2/244:53 pmIAD - DEN
1 stop7h 53mDelta
Deal found 1/15$247
This Mytrip deal was found by Cheapflights users on 1/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:15 pmDEN - IAD
1 stop14h 28mSun Country Air
Thu 8/712:40 pmIAD - DEN
1 stop7h 35mSun Country Air
Deal found 1/15$265

Find flights from Denver to Washington, D.C. within your budget

Customize your flight search to find flights from Denver to Washington, D.C. 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Mon 2/10

6:43 am-12:06 pm

Nonstop3h 23m

Washington, D.C. Reagan-National

Sun 2/16

7:00 am-9:12 am

Nonstop4h 12m

$133

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Thu 3/6

7:39 pm-3:54 pm

1 stop18h 15m

Washington, D.C. Dulles Intl

Sat 3/8

5:41 pm-10:56 pm

1 stop7h 15m

$134

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 2/15

6:00 am-11:18 am

Nonstop3h 18m

Washington, D.C. Dulles Intl

Sat 2/22

10:20 pm-12:30 am

Nonstop4h 10m

$177

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Thu 2/27

6:50 pm-12:34 pm

1 stop15h 44m

Washington, D.C. Dulles Intl

Sat 3/1

3:04 pm-9:02 am

1 stop19h 58m

$188

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Mon 3/24

6:00 am-11:30 am

Nonstop3h 30m

Baltimore/Washington

Tue 4/1

3:53 pm-11:39 pm

1 stop9h 46m

$189

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 2/12

9:50 am-3:05 pm

Nonstop3h 15m

Washington, D.C. Dulles Intl

Tue 2/25

5:50 pm-7:55 pm

Nonstop4h 05m

$197

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 2/11

9:40 am-2:59 pm

Nonstop3h 19m

Washington, D.C. Reagan-National

Wed 2/19

7:00 pm-11:30 pm

1 stop6h 30m

$203

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Mon 3/24

11:59 pm-8:54 am

1 stop6h 55m

Washington, D.C. Reagan-National

Tue 4/1

4:23 pm-9:38 pm

1 stop7h 15m

$217

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 2/25

2:21 pm-10:19 pm

1 stop5h 58m

Washington, D.C. Reagan-National

Sat 3/1

5:40 pm-10:00 pm

1 stop6h 20m

$237

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Tue 4/8

4:10 pm-9:40 pm

Nonstop3h 30m

Baltimore/Washington

Tue 4/15

9:00 pm-11:05 pm

Nonstop4h 05m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 43 results
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Compare providers for flights from Denver to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Washington, D.C. in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from Denver to Washington, D.C.

Get recent, data-driven insights about flights from Denver to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Denver to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Washington, D.C.. Price data was last updated on January 10, 2025.

To ensure you get the cheapest price possible for a flight from Denver to Washington, D.C., you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Denver to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Denver to Washington, D.C. (average of $241). Flying from Denver to Washington, D.C. in March is currently the most expensive (average of $290). 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 WAS?

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

When flying from Denver to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight at noon.

What is the cheapest day to fly from Denver to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Denver to Washington, D.C.. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Washington, D.C. flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Washington, D.C.

Explore weekly flight availability from Denver to Washington, D.C.. 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 January 16, 2025.

The most flights from DEN to WAS are scheduled on a Thursday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated January 16, 2025.
See what other customers who have flown with American Airlines, Sun Country Air and Delta from Denver to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,199 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,965 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Denver to Washington, D.C.. 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 Washington, D.C.?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Washington, D.C.. On average, Denver Intl has 21 outbound flights to Washington, D.C. per day from 5 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How popular is this Denver to Washington, D.C. flight route?

    Within the past month, 15 users have taken a look at flights from Denver Intl to Washington, D.C..

  • What are the cheapest airlines flying from Denver to Washington, D.C. round-trip?

    Our cheapest airline available from Denver to Washington, D.C. is Frontier. Our recent data shows that you can find tickets from as low as $133 on this airline. Additional options worth looking into are United Airlines and Southwest, starting at $177 and $217 round-trip. Frontier is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Denver to Washington, D.C. one-way?

    $54 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and JetBlue, with prices starting from $109 and $109, respectively.

  • What are the most popular routes from Denver to Washington, D.C.?

    When deciding which route to take from Denver to Washington, D.C. consider Denver Intl - Baltimore/Washington, Denver Intl - Washington, D.C. Dulles Intl or Denver Intl - Washington, D.C. Reagan-National as they are the most popular.

  • What are the most reliable airlines from Denver to Washington, D.C.?

    Before booking your flight to Washington, D.C. from Denver, check out the most reliable airlines to get you to your destination on time: United Airlines (92%), Southwest (75%), Frontier( 69%).

  • What are the cheapest flights from Denver to Washington, D.C.?

    Looking for the cheapest flight from Denver to Washington, D.C.? While on average our users pay $383, our data indicates the cheapest price to be $162. The most popular route (Denver Intl - Baltimore/Washington), is priced around $132.

  • Can I find deals for flights from Denver to Washington, D.C. that include hotel bookings?

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

  • How can I find direct flights from Denver to Washington, D.C.?

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

  • Can I find deals for business class flights from Denver to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Denver to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Denver to Washington, D.C. (average of $241). Flying from Denver to Washington, D.C. in March is currently the most expensive (average of $290). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Denver to Washington, D.C.

Discover the top 5 airlines that operate flights from Denver to Washington, D.C.. 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$81Average$226FlexibilityNo cancel feeOn-time62%
DeltaCheapest$126Average$304FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$166Average$350FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$173Average$411FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$206Average$359FlexibilityNo cancel feeOn-time63%
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