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District of Columbia

$78+ Cheap flights from Colorado to District of Columbia

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BWI
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Colorado to District of Columbia

Keep the following information in mind while searching for Colorado to District of Columbia flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Cheapflightsfares)

One-way from

$78
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$287

Good round-trip deal

$174 or less

Good one-way deal

$97 or less
Provider with most accurate pricing for Denver Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Washington, D.C. (WAS) flights.
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From Colorado to District of Columbia
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One-way flight from Colorado to District of Columbia
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Highest demand for flights based on searches. 8% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 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 Colorado to District of Columbia.
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Price to beat on a one-way flight from Colorado to District of Columbia.
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Find flight deals from Colorado to District of Columbia

Cheapest flights from Colorado to District of Columbia
Explore the most affordable flight options available from Colorado to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 5/66:40 amDEN - DCA
Nonstop3h 27mFrontier
Tue 5/66:00 pmDCA - DEN
Nonstop4h 08mFrontier
Deal found 3/30$136
This Southwest deal was found by Cheapflights users on 3/30. 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.
Sat 5/39:50 amDEN - IAD
Nonstop3h 25mSouthwest
Tue 5/66:40 pmIAD - DEN
Nonstop4h 05mSouthwest
Deal found 3/30$197
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/242:43 pmCOS - DCA
1 stop6h 21mAmerican Airlines
Fri 5/305:00 amDCA - COS
1 stop6h 42mAmerican Airlines
Deal found 3/30$199
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/68:00 amDEN - IAD
1 stop6h 17mAmerican Airlines
Tue 5/65:26 pmIAD - DEN
1 stop7h 33mAmerican Airlines
Deal found 3/30$211
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/311:59 pmDEN - IAD
Nonstop3h 23mUnited Airlines
Mon 5/57:59 pmIAD - DEN
Nonstop3h 59mUnited Airlines
Deal found 3/30$217
This JetBlue deal was found by Cheapflights users on 3/30. 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 4/3010:39 pmDEN - DCA
1 stop10h 21mJetBlue
Tue 5/66:09 amDCA - DEN
1 stop9h 34mJetBlue
Deal found 3/30$217
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Sat 5/311:59 pmDEN - IAD
1 stop6h 45mFrontier
Mon 5/55:26 pmIAD - DEN
1 stop8h 03mFrontier
Deal found 3/30$236
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 5/82:00 pmCOS - IAD
1 stop5h 25mUnited Airlines
Mon 5/127:59 pmIAD - COS
1 stop5h 52mUnited Airlines
Deal found 3/31$237
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:28 amCOS - IAD
1 stop7h 58mAmerican Airlines
Tue 8/261:56 pmIAD - COS
2 stops11h 28mAmerican Airlines
Deal found 3/30$242
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 4/232:35 pmDEN - IAD
1 stop6h 56mDelta
Sat 5/106:00 amIAD - DEN
1 stop5h 40mDelta
Deal found 3/30$247
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 5/144:06 pmDEN - DCA
1 stop5h 20mDelta
Mon 5/197:33 pmDCA - DEN
1 stop6h 43mDelta
Deal found 3/30$247
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 4/296:00 amCOS - DCA
2 stops10h 59mDelta
Tue 5/612:00 pmDCA - COS
2 stops9h 22mDelta
Deal found 3/30$247

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to District of Columbia 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 31, 2025.
Use the filters below to find and compare flights from Colorado to District of Columbia that are best for you.

Fly from

Colorado

Fly to

District of Columbia

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 5/6

6:40 am-12:07 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

Tue 5/6

6:00 pm-8:08 pm

Nonstop4h 08m

$136

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 5/3

9:50 am-3:15 pm

Nonstop3h 25m

Washington, D.C. Dulles Intl

Tue 5/6

6:40 pm-8:45 pm

Nonstop4h 05m

$197

Colorado SpringsWashington, D.C.

COS - DCA

COSDCA

Colorado Springs

Sat 5/24

2:43 pm-11:04 pm

1 stop6h 21m

Washington, D.C. Reagan-National

Fri 5/30

5:00 am-9:42 am

1 stop6h 42m

$199

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 5/6

8:00 am-4:17 pm

1 stop6h 17m

Washington, D.C. Dulles Intl

Tue 5/6

5:26 pm-10:59 pm

1 stop7h 33m

$211

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 5/3

11:59 pm-5:22 am

Nonstop3h 23m

Washington, D.C. Dulles Intl

Mon 5/5

7:59 pm-9:58 pm

Nonstop3h 59m

$217

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Wed 4/30

10:39 pm-7:41 am

1 stop7h 02m

Washington, D.C. Reagan-National

Sat 5/3

6:15 am-11:54 am

1 stop7h 39m

$217

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 5/3

11:59 pm-8:44 am

1 stop6h 45m

Washington, D.C. Dulles Intl

Mon 5/5

5:26 pm-11:29 pm

1 stop8h 03m

$236

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 8/19

6:28 am-4:26 pm

1 stop7h 58m

Washington, D.C. Dulles Intl

Tue 8/26

11:30 am-3:33 pm

1 stop6h 03m

$237

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 4/23

2:35 pm-11:31 pm

1 stop6h 56m

Washington, D.C. Dulles Intl

Sat 5/10

6:00 am-9:40 am

1 stop5h 40m

$247

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Wed 5/14

4:06 pm-11:26 pm

1 stop5h 20m

Washington, D.C. Reagan-National

Mon 5/19

7:33 pm-12:16 am

1 stop6h 43m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Colorado 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 Colorado to District of Columbia

What is the cheapest month to book a flight from Colorado to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Colorado to District of Columbia (average of $241). Flying from Colorado to District of Columbia 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 CO to DC?

Find hourly flight availability from Colorado to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

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

Weekly flight availability from Colorado to District of Columbia

Explore weekly flight availability from Colorado to District of Columbia. 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 31, 2025.

The most flights from USCO to USDC are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia 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 District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated March 31, 2025.
Read through reviews of airlines operating flights from Colorado to District of Columbia, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

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
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

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
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

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
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

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 Colorado to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Colorado to District of Columbia flight route?

    The Colorado to District of Columbia flight path was viewed by 22 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 Colorado to District of Columbia one-way?

    $78 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $99 and $109, respectively.

  • Can I find deals for flights from Colorado to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Colorado to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to District of Columbia.

  • Can I find deals for business class flights from Colorado to District of Columbia?

    Yes. Cheapflights offers flight deals from Colorado to District of Columbia 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 Colorado to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Colorado to District of Columbia (average of $241). Flying from Colorado to District of Columbia 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

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Top 5 airlines flying from Colorado to District of Columbia

Discover the top 5 airlines that operate flights from Colorado to District of Columbia. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$79Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$166Average$500FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$173Average$556FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$218Average$445FlexibilityNo cancel feeOn-time63%
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