S$152 Cheap Flights from Denver to Washington

View S$152 flight on Tue, 26 Aug, 2025Opens in a new window

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

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Cheap Flights from Denver to Washington (DEN-DCA)

Prices were available within the past 7 days and start at S$152 for one-way flights and S$299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 23 Aug - Sat, 30 Aug
DEN
Denver
DCA
Washington
S$299 Return, found 5 days ago
S$299
Return
found 5 days ago
Select Delta flight, departing Sat, 23 Aug from Denver to Washington, returning Sat, 30 Aug, priced at S$299 found 5 days ago
Delta
Mon, 11 Aug - Sun, 17 Aug
DEN
Denver
DCA
Washington
S$304 Return, found 2 days ago
S$304
Return
found 2 days ago
Select Delta flight, departing Mon, 11 Aug from Denver to Washington, returning Sun, 17 Aug, priced at S$304 found 2 days ago
American Airlines
Sat, 23 Aug - Sat, 30 Aug
DEN
Denver
DCA
Washington
S$305 Return, found 5 days ago
S$305
Return
found 5 days ago
Select American Airlines flight, departing Sat, 23 Aug from Denver to Washington, returning Sat, 30 Aug, priced at S$305 found 5 days ago
Delta
Sat, 23 Aug - Sat, 30 Aug
DEN
Denver
DCA
Washington
S$310 Return, found 5 days ago
S$310
Return
found 5 days ago
Select Delta flight, departing Sat, 23 Aug from Denver to Washington, returning Sat, 30 Aug, priced at S$310 found 5 days ago
American Airlines
Sat, 23 Aug - Sat, 30 Aug
DEN
Denver
DCA
Washington
S$316 Return, found 5 days ago
S$316
Return
found 5 days ago
Select American Airlines flight, departing Sat, 23 Aug from Denver to Washington, returning Sat, 30 Aug, priced at S$316 found 5 days ago
United
Sat, 23 Aug - Sat, 30 Aug
DEN
Denver
DCA
Washington
S$332 Return, found 5 days ago
S$332
Return
found 5 days ago
Select United flight, departing Sat, 23 Aug from Denver to Washington, returning Sat, 30 Aug, priced at S$332 found 5 days ago
Delta
Sat, 23 Aug - Sat, 30 Aug
DEN
Denver
DCA
Washington
S$337 Return, found 5 days ago
S$337
Return
found 5 days ago
Select Delta flight, departing Sat, 23 Aug from Denver to Washington, returning Sat, 30 Aug, priced at S$337 found 5 days ago
Delta
Mon, 11 Aug - Sun, 17 Aug
DEN
Denver
DCA
Washington
S$355 Return, found 2 days ago
S$355
Return
found 2 days ago
Select Delta flight, departing Mon, 11 Aug from Denver to Washington, returning Sun, 17 Aug, priced at S$355 found 2 days ago
Delta
Mon, 11 Aug - Sun, 17 Aug
DEN
Denver
DCA
Washington
S$364 Return, found 2 days ago
S$364
Return
found 2 days ago
Select Delta flight, departing Mon, 11 Aug from Denver to Washington, returning Sun, 17 Aug, priced at S$364 found 2 days ago
Delta
Mon, 11 Aug - Sun, 17 Aug
DEN
Denver
DCA
Washington
S$369 Return, found 2 days ago
S$369
Return
found 2 days ago
Select Delta flight, departing Mon, 11 Aug from Denver to Washington, returning Sun, 17 Aug, priced at S$369 found 2 days ago

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

September is typically the cheapest month to fly

From S$87 - S$247 per traveller.

Graph displaying average flight prices per month

Denver to Washington route information
Origin airport
Denver Intl.
Destination airport
Ronald Reagan Washington National
Return price
S$298
Distance
2355 km
Average flight time
6 hours 15 mins

Perfect flights from Denver to Washington

Your Journey from Denver to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from Denver to Washington caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United. Our selection of flights from Denver Intl. to Ronald Reagan Washington National caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Denver to Washington Flights

Experience the joy of finding cheap flights from Denver Intl. to Ronald Reagan Washington National that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$152 and roundtrip prices from S$299*.
 

Pre-Flight Essentials

Ensure a smooth journey from Denver to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Denver to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Denver to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Denver to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Denver to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$299. 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.

Explore a world of travel with Expedia

Washington Airports

Baltimore

Denver to Baltimore Washington Intl. Thurgood Marshall
S$298.20

Washington

*Available to Expedia members.