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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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IAD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$113
(Frontier)

One-way from

$78
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$237

Good round-trip deal

$140 or less

Good one-way deal

$98 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 ($24 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 February 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 febrero 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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.
mar. 4/16:45 amDEN - DCA
Nonstop3h 19mFrontier
dom. 4/67:00 amDCA - DEN
Nonstop4h 09mFrontier
Deal found 2/19$113
This Mytrip deal was found by Cheapflights users on 2/18. 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.
mié. 4/1611:57 pmDEN - IAD
1 stop6h 39mFrontier
lun. 4/2112:58 pmIAD - DEN
1 stop21h 45mFrontier
Deal found 2/18$116
This Mytrip deal was found by Cheapflights users on 2/19. 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.
jue. 3/206:55 pmDEN - IAD
1 stop15h 39mMultiple Airlines
mié. 3/268:19 pmIAD - DEN
1 stop14h 43mMultiple Airlines
Deal found 2/19$213
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/267:45 amDEN - IAD
Nonstop3h 18mUnited Airlines
mar. 4/110:20 pmIAD - DEN
Nonstop4h 05mUnited Airlines
Deal found 2/19$217
This JetBlue deal was found by Cheapflights users on 2/19. 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.
mar. 3/2511:59 pmDEN - DCA
1 stop6h 51mJetBlue
mar. 4/13:45 pmDCA - DEN
1 stop7h 55mJetBlue
Deal found 2/19$217
This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 3/254:00 pmDEN - IAD
1 stop6h 31mDelta
mié. 4/27:35 amIAD - DEN
1 stop9h 45mDelta
Deal found 2/20$237
This Delta deal was found by Cheapflights users on 2/20. 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.
lun. 3/2412:55 amDEN - DCA
1 stop8h 26mDelta
mar. 4/16:00 amDCA - DEN
1 stop5h 44mDelta
Deal found 2/20$237
This Travelocity deal was found by Cheapflights users on 2/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2511:44 amDEN - DCA
Nonstop3h 15mMultiple Airlines
mar. 4/18:00 amDCA - DEN
1 stop10h 40mMultiple Airlines
Deal found 2/19$245
This Sun Country Air deal was found by Cheapflights users on 2/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/245:50 pmDEN - IAD
1 stop16h 33mSun Country Air
dom. 4/2712:17 pmIAD - DEN
1 stop6h 58mSun Country Air
Deal found 2/20$250
This Southwest deal was found by Cheapflights users on 2/19. 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.
mar. 3/256:15 pmDEN - IAD
Nonstop3h 10mSouthwest
mar. 4/16:45 pmIAD - DEN
Nonstop4h 05mSouthwest
Deal found 2/19$257
This Delta deal was found by Cheapflights users on 2/20. 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.
jue. 3/271:49 pmHDN - IAD
1 stop8h 39mDelta
dom. 3/306:00 amIAD - HDN
1 stop8h 44mDelta
Deal found 2/20$257
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/199:40 amDEN - DCA
Nonstop3h 19mUnited Airlines
mié. 3/2610:35 amDCA - DEN
1 stop6h 24mUnited Airlines
Deal found 2/19$274

Find flights from Colorado to District of Columbia within your budget

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 febrero 20, 2025.

Fly from

Colorado

Fly to

District of Columbia

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

mar. 4/1

6:45 am-12:04 pm

Nonstop3h 19m

Washington, D.C. Reagan-National

dom. 4/6

7:00 am-9:09 am

Nonstop4h 09m

$113

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

mié. 4/16

11:57 pm-8:36 am

1 stop6h 39m

Washington, D.C. Dulles Intl

lun. 4/21

12:58 pm-8:43 am

1 stop21h 45m

$116

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

jue. 3/20

6:55 pm-12:34 pm

1 stop15h 39m

Washington, D.C. Dulles Intl

mié. 3/26

8:19 pm-9:02 am

1 stop14h 43m

$213

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

mié. 3/26

7:45 am-1:03 pm

Nonstop3h 18m

Washington, D.C. Dulles Intl

mar. 4/1

10:20 pm-12:25 am

Nonstop4h 05m

$217

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

mar. 3/25

11:59 pm-8:50 am

1 stop6h 51m

Washington, D.C. Reagan-National

mar. 4/1

3:45 pm-9:40 pm

1 stop7h 55m

$217

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

mar. 3/25

4:00 pm-12:31 am

1 stop6h 31m

Washington, D.C. Dulles Intl

mié. 4/2

7:35 am-3:20 pm

1 stop9h 45m

$237

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

lun. 3/24

12:55 am-9:08 am

1 stop6h 13m

Washington, D.C. Reagan-National

mar. 4/1

12:17 pm-5:16 pm

1 stop6h 59m

$237

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

mar. 3/25

11:44 am-4:59 pm

Nonstop3h 15m

Washington, D.C. Reagan-National

mar. 4/1

8:00 am-4:40 pm

1 stop10h 40m

$245

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

jue. 4/24

5:50 pm-12:23 pm

1 stop16h 33m

Washington, D.C. Dulles Intl

dom. 4/27

12:17 pm-5:15 pm

1 stop6h 58m

$250

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

mar. 3/25

6:15 pm-11:25 pm

Nonstop3h 10m

Washington, D.C. Dulles Intl

mar. 4/1

6:45 pm-8:50 pm

Nonstop4h 05m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Colorado to District of Columbia

Get recent, data-driven insights about flights from Colorado to District of Columbia including ideal travel times, pricing trends, and more.

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 $309). Flying from Colorado to District of Columbia in June is currently the most expensive (average of $389). 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 febrero 20, 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 febrero 20, 2025.

The most flights from USCO to USDC are scheduled on a Thursday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 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 febrero 20, 2025.
Read through reviews of airlines operating flights from Colorado to District of Columbia, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • 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 Sun Country Air and United Airlines, with prices starting from $101 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 $309). Flying from Colorado to District of Columbia in June is currently the most expensive (average of $389). 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 Colorado to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$79Average$224FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$166Average$514FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$172Average$540FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$214Average$452FlexibilityNo cancel feeOn-time63%
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