฿4,750 Cheap Flights from Denver (DEN) to Washington (DCA)

View ฿4,750 flight on Fri, 24 Oct 2025Opens in a new window

Popular airlines from Denver International Airport (DEN) to Ronald Reagan National Airport (DCA)

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

Prices were available within the past 7 days and start at ฿4,750 for one-way flights and ฿24,860 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿24,860 Return, found 1 hour ago
฿24,860
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿24,860 found 1 hour ago
Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿26,030 Return, found 1 hour ago
฿26,030
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿26,030 found 1 hour ago
Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿26,165 Return, found 1 hour ago
฿26,165
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿26,165 found 1 hour ago
Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿26,170 Return, found 1 hour ago
฿26,170
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿26,170 found 1 hour ago
Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿27,145 Return, found 1 hour ago
฿27,145
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿27,145 found 1 hour ago
United
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿27,240 Return, found 1 hour ago
฿27,240
Return
found 1 hour ago
Select United flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿27,240 found 1 hour ago
Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿27,340 Return, found 1 hour ago
฿27,340
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿27,340 found 1 hour ago
Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿27,475 Return, found 1 hour ago
฿27,475
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿27,475 found 1 hour ago
Delta
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿27,960 Return, found 1 hour ago
฿27,960
Return
found 1 hour ago
Select Delta flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿27,960 found 1 hour ago
American Airlines
Sat, 22 Nov - Sun, 30 Nov
DEN
Denver
DCA
Washington
฿28,310 Return, found 1 hour ago
฿28,310
Return
found 1 hour ago
Select American Airlines flight, departing Sat, 22 Nov from Denver to Washington, returning Sun, 30 Nov, priced at ฿28,310 found 1 hour ago

Find the cheapest month to fly from Denver (DEN) to Washington (DCA)

February is typically the cheapest month to fly

From ฿2,530 - ฿11,052 per traveller.

Frequently asked questions

How much is a flight from Denver Intl. Airport (DEN) to National Airport?
If you're travelling from DIA airport to DCA, round-trip journeys start from ฿24,860. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Denver Intl. Airport (DEN) to National Airport?
Every air carrier has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Denver Intl. Airport (DEN) to DCA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DIA airport to DCA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DEN to DCA?
The flying distance between Denver Intl. Airport (DEN) and DCA is 2,400 kilometres. Listen to some music or finish that novel and the trip will fly by.
Which airlines fly direct from Denver Airport to National Airport?
Frontier Airlines (F9) is the number one choice for many travellers. It operates 91 flights from DIA airport to National Airport each month. For more options, have a look at the ticket prices from United Airlines (UA). This airline offers 30 flights monthly between these airports.
Are DIA airport to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some super cheap fares from DIA airport to DCA popping up a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines quote prices that far in advance.

Travel information

Origin airport
Denver Intl.
Destination airport
Ronald Reagan Washington National
Return price
฿24,860
Distance
2355 km
Average flight time
5 hours 58 mins

Book with confidence

Perfect flights from Denver to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Denver to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Denver Intl. to Ronald Reagan Washington National ticket options cater to your travel preferences, with incredible one-way fares from ฿4,750 and roundtrip prices from ฿24,860. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Ronald Reagan Washington National and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.
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