$146 Cheap Flights from Colorado Springs (COS) to Washington (DCA)

View $146 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA)

Cheap Flights from Colorado Springs to Washington (COS-DCA)

Prices were available within the past 7 days and start at $146 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 3 - Sat, Dec 6
COS
Colorado Springs
DCA
Washington
$299 Roundtrip, found 10 hours ago
$299
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Colorado Springs to Washington, returning Sat, Dec 6, priced at $299 found 10 hours ago
American Airlines
Thu, Nov 27 - Thu, Dec 11
COS
Colorado Springs
DCA
Washington
$313 Roundtrip, found 22 hours ago
$313
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Nov 27 from Colorado Springs to Washington, returning Thu, Dec 11, priced at $313 found 22 hours ago
American Airlines
Wed, Dec 3 - Sat, Dec 6
COS
Colorado Springs
DCA
Washington
$317 Roundtrip, found 10 hours ago
$317
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Colorado Springs to Washington, returning Sat, Dec 6, priced at $317 found 10 hours ago
American Airlines
Tue, Dec 9 - Tue, Dec 16
COS
Colorado Springs
DCA
Washington
$318 Roundtrip, found 3 days ago
$318
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Dec 9 from Colorado Springs to Washington, returning Tue, Dec 16, priced at $318 found 3 days ago
United
Tue, Dec 9 - Tue, Dec 16
COS
Colorado Springs
DCA
Washington
$320 Roundtrip, found 3 days ago
$320
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Colorado Springs to Washington, returning Tue, Dec 16, priced at $320 found 3 days ago
American Airlines
Tue, Dec 9 - Sun, Dec 14
COS
Colorado Springs
DCA
Washington
$322 Roundtrip, found 3 days ago
$322
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Dec 9 from Colorado Springs to Washington, returning Sun, Dec 14, priced at $322 found 3 days ago
United
Thu, Nov 27 - Thu, Dec 11
COS
Colorado Springs
DCA
Washington
$324 Roundtrip, found 22 hours ago
$324
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Nov 27 from Colorado Springs to Washington, returning Thu, Dec 11, priced at $324 found 22 hours ago
United
Tue, Dec 9 - Tue, Dec 16
COS
Colorado Springs
DCA
Washington
$325 Roundtrip, found 3 days ago
$325
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Colorado Springs to Washington, returning Tue, Dec 16, priced at $325 found 3 days ago
Southwest Airlines
Wed, Dec 3 - Sat, Dec 6
COS
Colorado Springs
DCA
Washington
$328 Roundtrip, found 10 hours ago
$328
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Wed, Dec 3 from Colorado Springs to Washington, returning Sat, Dec 6, priced at $328 found 10 hours ago
Delta
Fri, Dec 12 - Sun, Dec 14
COS
Colorado Springs
DCA
Washington
$346 Roundtrip, found 4 hours ago
$346
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Dec 12 from Colorado Springs to Washington, returning Sun, Dec 14, priced at $346 found 4 hours ago

Find the cheapest month to fly from Colorado Springs (COS) to Washington (DCA)

August is typically the cheapest month to fly

From $174 - $646 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $438
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $438
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $430
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $430

Frequently asked questions

How much does a flight from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA) cost?
Get a cheap one-way flight from $146 or cheap return flight from $299 from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA)?
Traveling in December is a good way to save, as it's the cheapest month for flights between COS and DCA. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest COS to DCA flight.
How many flights per day from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA)?
There aren't any daily nonstop flights from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from COS to DCA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA)?
To land at Ronald Reagan Washington National Airport (DCA) without delays, choose a flight that leaves from Colorado Springs Airport (COS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Colorado Springs Airport (COS)?
Compare your flight options from Colorado Springs Airport (COS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This is the only airport in Washington you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA) last-minute?
Waiting until just before your trip to book your flight from COS to DCA generally means paying more. While it's possible to find some last-minute discounts, there's no guarantee. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a COS to DCA flight and hotel package?
You'll generally save money by securing a COS to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Ronald Reagan Washington National Airport (DCA)?
It's usually possible to cancel or reschedule your COS to DCA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Colorado Springs
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$298
Distance
1483 mi

Book with confidence

Colorado Springs to Washington Flights

The cheapest times to fly from Colorado Springs to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Colorado Springs to Washington are during the month of December. You can find some of the cheapest flights from Colorado Springs to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Colorado Springs to Washington

Sunday is one of the best days to book for cheap flights from Colorado Springs to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Colorado Springs to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Colorado Springs to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $146 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Colorado Springs to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Colorado Springs to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Colorado Springs to Washington Flights

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*Available to One Key members.