$75 Cheap Flights from Denver (DEN) to Washington (DCA)

View $75 flight on Sat, May 3, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)

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Find available prices by choosing your travel dates.

Cheap Flights from Denver to Washington (DEN-DCA)

Prices were available within the past 7 days and start at $75 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 3 - Sat, May 10
DEN
Denver
DCA
Washington
$150 Roundtrip, just found
$150
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 3 from Denver to Washington, returning Sat, May 10, priced at $150 just found
Frontier Airlines
Sat, May 10 - Wed, May 14
DEN
Denver
DCA
Washington
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 10 from Denver to Washington, returning Wed, May 14, priced at $159 just found
Frontier Airlines
Sat, Jun 7 - Tue, Jun 10
DEN
Denver
DCA
Washington
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jun 7 from Denver to Washington, returning Tue, Jun 10, priced at $168 just found
Frontier Airlines
Wed, May 7 - Sat, May 17
DEN
Denver
DCA
Washington
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 7 from Denver to Washington, returning Sat, May 17, priced at $169 found 1 hour ago
Frontier Airlines
Thu, May 22 - Tue, May 27
DEN
Denver
DCA
Washington
$178 Roundtrip, just found
$178
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 22 from Denver to Washington, returning Tue, May 27, priced at $178 just found
Frontier Airlines
Sat, May 3 - Sat, May 10
DEN
Denver
DCA
Washington
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 3 from Denver to Washington, returning Sat, May 10, priced at $180 just found
United
Sat, May 24 - Tue, Jun 3
DEN
Denver
DCA
Washington
$235 Roundtrip, found 1 hour ago
$235
Roundtrip
found 1 hour ago
Select United flight, departing Sat, May 24 from Denver to Washington, returning Tue, Jun 3, priced at $235 found 1 hour ago
JetBlue Airways
Thu, Aug 14 - Mon, Aug 18
DEN
Denver
DCA
Washington
$237 Roundtrip, just found
$237
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Aug 14 from Denver to Washington, returning Mon, Aug 18, priced at $237 just found
Southwest Airlines
Wed, Jul 2 - Fri, Jul 4
DEN
Denver
DCA
Washington
$253 Roundtrip, found 6 hours ago
$253
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Jul 2 from Denver to Washington, returning Fri, Jul 4, priced at $253 found 6 hours ago
Alaska Airlines
Wed, Oct 8 - Tue, Oct 14
DEN
Denver
DCA
Washington
$544 Roundtrip, found 1 hour ago
$544
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Oct 8 from Denver to Washington, returning Tue, Oct 14, priced at $544 found 1 hour ago

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) cost?
Cheap round-trip flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) start from $212. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines and United flight leaving DEN on May 18 2025 and touching down at DCA. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to DCA?
The cheapest flights from DEN to DCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Catch a direct flight with Frontier Airlines and fly straight from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA).
What is the cheapest airline that flies from DEN to DCA?
With prices starting from $113 for a one-way flight from DEN to DCA, Frontier Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on July 19 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
With an average of 4 direct flights that operate from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) each day, you’ll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
More travelers fly between DEN and DCA at 11 AM than at any other point in the day. Prefer a quieter experience? Try choosing a quieter departure window and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from DEN to DCA?
If you travel on a Monday, you’ll get the widest range of options for flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA).
What is the earliest flight from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Denver Intl. Airport (DEN)’s first flight to Ronald Reagan Washington National Airport (DCA) takes off at approximately 6:43AM UTC-7. With a travel duration of 3h 23m, you’ll land at around 12:06PM UTC-5.
How long does it take to fly from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Flights from DEN to DCA have an average travel time of 3 hours and 18 minutes. The total distance between the two airports is 1,450 mi.
What airline has the least delays from DEN to DCA?
United Airlines has the best track record for on-time direct flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA), with an on-time score of 82%. Use the Expedia App to check your flight status before you take off and receive notifications about any trip changes.
What is the best time to fly from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Denver Intl. Airport (DEN)?
Denver Intl. Airport (DEN) offers direct flights to Washington. These are a few of the airports you can fly to without detours:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute bookings from DEN to DCA are generally more expensive. For the cheapest rates, start searching for flights as soon as possible. That being said, if you’re flexible with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a DEN to DCA flight and hotel package?
Booking a DEN to DCA flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
In most cases, you can cancel or modify your DEN to DCA flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s rules and fees on flight changes, or if you want further details, go to our Customer Service portal.
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