$78+ Cheap flights from Colorado 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Colorado to Washington, D.C. with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Washington, D.C.
Keep the following information in mind while searching for Colorado to Washington, D.C. flight deals. Data was last updated June 12, 2025.
Round-trip from | $171 (Cheapflightsfares) |
|---|---|
One-way from | $78 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $279 |
Good round-trip deal | $194 or less |
Good one-way deal | $106 or less |
Find flight deals from Colorado to Washington, D.C.
Cheapest flights from Colorado to Washington, D.C.Explore the most affordable flight options available from Colorado to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Colorado to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
This Southwest deal was found by Cheapflights users on 6/9. 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.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This Southwest deal was found by Cheapflights users on 6/11. 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.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/10. 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.
This Frontier deal was found by Cheapflights users on 6/10. 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.
This Southwest deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/12. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado 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 June 12, 2025.
Use the filters below to find and compare flights from Colorado to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DenverBaltimore
DEN - BWI
DENBWI
Denver Intl
Fri 8/22
12:10 pm-5:41 pm
Nonstop3h 31m
Baltimore/Washington
Mon 8/25
6:27 pm-8:30 pm
Nonstop4h 03m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Fri 9/19
6:45 am-12:11 pm
Nonstop3h 26m
Washington, D.C. Reagan-National
Mon 9/22
1:00 pm-3:07 pm
Nonstop4h 07m
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Tue 8/19
8:20 am-1:40 pm
Nonstop3h 20m
Washington, D.C. Dulles Intl
Sat 8/23
5:05 pm-6:55 pm
Nonstop3h 50m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Tue 9/23
2:17 pm-10:00 pm
1 stop5h 43m
Washington, D.C. Reagan-National
Wed 10/1
6:30 am-11:40 am
1 stop7h 10m
DenverBaltimore
DEN - BWI
DENBWI
Denver Intl
Wed 7/16
5:00 am-10:25 am
Nonstop3h 25m
Baltimore/Washington
Wed 7/23
8:15 pm-10:15 pm
Nonstop4h 00m
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Sat 9/6
11:59 pm-8:46 am
1 stop6h 47m
Washington, D.C. Dulles Intl
Sat 9/13
12:48 pm-7:25 pm
1 stop8h 37m
DenverBaltimore
DEN - BWI
DENBWI
Denver Intl
Wed 7/30
11:45 pm-5:10 am
Nonstop3h 25m
Baltimore/Washington
Tue 8/5
8:10 am-10:08 am
Nonstop3h 58m
Colorado SpringsBaltimore
COS - BWI
COSBWI
Colorado Springs
Tue 8/19
10:52 am-9:27 pm
2 stops8h 35m
Baltimore/Washington
Tue 8/26
7:00 am-1:24 pm
1 stop8h 24m
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Thu 8/7
9:15 pm-10:07 am
1 stop10h 52m
Washington, D.C. Dulles Intl
Mon 8/11
9:58 pm-8:21 am
1 stop12h 23m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Thu 8/7
7:35 am-2:05 pm
1 stop4h 30m
Washington, D.C. Reagan-National
Mon 8/11
4:35 pm-8:35 pm
1 stop6h 00m
Best time to book a flight from Colorado to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Colorado with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Washington, D.C.
What is the cheapest month to book a flight from Colorado to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Colorado to Washington, D.C. (average of $241). Flying from Colorado 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 CO to WAS?
Find hourly flight availability from Colorado 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 June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Washington, D.C. as you normally would.
Weekly flight availability from Colorado to Washington, D.C.
Explore weekly flight availability from Colorado 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 June 12, 2025.
The most flights from USCO to WAS are scheduled on a Wednesday (33 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (18 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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Colorado to Washington, D.C. to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Colorado 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.
Traveling to a place near Colorado?
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Alternative routes for Colorado to Washington, D.C.
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Colorado to Washington, D.C.
Discover the top 5 airlines that operate flights from Colorado 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$93 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$144 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$172 | Average$531 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$428 | FlexibilityNo cancel fee | On-time63% |