Colorado

$40+ Cheap flights from Washington, D.C. (WAS) to Colorado

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DEN
Feb 25 — Mar 41
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Cheap flight deals from Washington, D.C. to Colorado

Keep the following information in mind while searching for Washington, D.C. to Colorado flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(Booking.com)

One-way from

$40
(Frontier)

Popular in

December

Cheapest in

September

Average price

$259

Good round-trip deal

$128 or less

Good one-way deal

$89 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Denver Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Denver Intl flights.
From Washington, D.C. (WAS) to Colorado
One-way flight from Washington, D.C. (WAS) to Colorado
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Colorado.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Colorado.

Find flight deals from Washington, D.C. to Colorado

Cheapest flights from Washington, D.C. to Colorado
Explore the most affordable flight options available from Washington, D.C. to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:00 amDCA - EGE
1 stop9h 07mFrontier
Sun 3/92:57 pmEGE - DCA
1 stop19h 06mFrontier
Deal found 2/19$90
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:00 pmDCA - DEN
Nonstop4h 08mFrontier
Mon 5/126:40 amDEN - DCA
Nonstop3h 27mFrontier
Deal found 2/19$111
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:37 pmIAD - DEN
1 stop10h 03mFrontier
Wed 4/1611:57 pmDEN - IAD
1 stop6h 39mFrontier
Deal found 2/19$113
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.
Fri 3/2112:30 pmBWI - DEN
Nonstop4h 24mFrontier
Mon 3/246:00 amDEN - BWI
Nonstop3h 30mFrontier
Deal found 2/19$152
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:35 amIAD - DEN
1 stop12h 58mMultiple Airlines
Mon 4/712:14 amDEN - IAD
1 stop14h 50mMultiple Airlines
Deal found 2/20$185
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.
Tue 4/89:00 pmBWI - DEN
Nonstop4h 05mSouthwest
Wed 4/168:20 amDEN - BWI
Nonstop3h 25mSouthwest
Deal found 2/19$217
This JetBlue Airways 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/185:15 pmDCA - DEN
1 stop7h 49mJetBlue
Tue 3/2511:59 pmDEN - DCA
1 stop8h 29mJetBlue
Deal found 2/20$217
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/88:30 amIAD - DEN
Nonstop3h 58mUnited Airlines
Wed 4/2311:59 pmDEN - IAD
Nonstop3h 23mUnited Airlines
Deal found 2/20$218
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.
Wed 4/94:07 pmBWI - DEN
Nonstop4h 06mUnited Airlines
Tue 4/156:05 pmDEN - BWI
Nonstop3h 25mUnited Airlines
Deal found 2/19$218
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/165:18 pmBWI - DEN
Nonstop4h 20mMultiple Airlines
Sun 4/206:10 pmDEN - BWI
1 stop15h 14mMultiple Airlines
Deal found 2/20$233
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.
Tue 4/87:35 amIAD - DEN
1 stop7h 25mDelta
Wed 4/233:05 pmDEN - IAD
1 stop6h 21mDelta
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.
Tue 4/16:00 amBWI - DEN
1 stop5h 44mDelta
Mon 4/1412:55 amDEN - BWI
1 stop8h 00mDelta
Deal found 2/20$237

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

Customize your flight search to find flights from Washington, D.C. to Colorado 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 February 20, 2025.

Fly from

Washington, D.C.

Fly to

Colorado

Route

Depart

Return

Price

Washington, D.C.Vail

DCA - EGE

DCAEGE

Washington, D.C. Reagan-National

Sun 3/2

7:00 am-2:07 pm

1 stop9h 07m

Vail Eagle County

Sun 3/9

2:57 pm-12:03 pm

1 stop19h 06m

$78

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 3/15

6:00 pm-8:12 pm

Nonstop4h 12m

Denver Intl

Thu 3/27

6:40 am-12:03 pm

Nonstop3h 23m

$111

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 4/8

4:37 pm-12:40 am

1 stop10h 03m

Denver Intl

Wed 4/16

11:57 pm-8:36 am

1 stop6h 39m

$113

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 3/21

12:30 pm-2:54 pm

Nonstop4h 24m

Denver Intl

Mon 3/24

6:00 am-11:30 am

Nonstop3h 30m

$152

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Mon 4/7

6:35 am-5:33 pm

1 stop12h 58m

Denver Intl

Mon 4/7

12:14 am-5:04 pm

1 stop14h 50m

$185

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Tue 4/8

9:00 pm-11:05 pm

Nonstop4h 05m

Denver Intl

Wed 4/16

8:20 am-1:45 pm

Nonstop3h 25m

$217

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 3/18

7:00 am-12:09 pm

1 stop7h 09m

Denver Intl

Tue 3/18

11:59 pm-10:29 am

1 stop8h 30m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 4/8

8:30 am-10:28 am

Nonstop3h 58m

Denver Intl

Wed 4/23

11:59 pm-5:22 am

Nonstop3h 23m

$218

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Wed 4/9

4:07 pm-6:13 pm

Nonstop4h 06m

Denver Intl

Tue 4/15

6:05 pm-11:30 pm

Nonstop3h 25m

$218

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Wed 4/16

5:18 pm-7:38 pm

Nonstop4h 20m

Denver Intl

Sun 4/20

6:10 pm-11:24 am

1 stop15h 14m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Colorado

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

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

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Colorado (average of $197). Flying from Washington, D.C. to Colorado 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 WAS to CO?

Find hourly flight availability from Washington, D.C. to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Washington, D.C. to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Explore weekly flight availability from Washington, D.C. to Colorado. 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 February 20, 2025.

The most flights from WAS to USCO are scheduled on a Thursday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Colorado, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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.

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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.

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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.

8.0
Very good

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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.

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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.

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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 Washington, D.C. to Colorado. 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 Washington, D.C. to Colorado one-way?

    $40 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 Washington, D.C. to Colorado?

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Colorado consider choosing Ethiopian Air (84%), Southwest (78%) or United Airlines (78%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $750 for a flight from Washington, D.C. to Colorado. The cheapest flight overall is $128 while the most popular route, (Washington, D.C. Dulles Intl - Denver Intl) is currently priced at $174.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Colorado (average of $197). Flying from Washington, D.C. to Colorado 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

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Alternative routes for Washington, D.C. to Colorado

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Washington, D.C. to Colorado

Discover the top 7 airlines that operate flights from Washington, D.C. to Colorado. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$66Average$221FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$110Average$280FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$166Average$517FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$186Average$601FlexibilityNo cancel feeOn-time69%
DeltaCheapest$195Average$355FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$198Average$434FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$215Average$321FlexibilityNo cancel feeOn-time62%
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