DEN - DCA

$164 Find Cheap Flights from Denver to Reagan Washington National Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to Reagan-National departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$310
Typical prices: $181-$341
Frontier
Tue 8/11Tue 8/18
DEN - DCA • Non-stop
Cheapest non-stop
$310
Typical prices: $181-$328
Frontier
Wed 8/12Wed 8/19
DEN - DCA • Non-stop
Nonstop flights
You can fly direct with Frontier and United Airlines. Average duration is 3h 28m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $237 (round-trip)
Shortest trip • 4h 50m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 37% price drop
Most popular
Good to know
Good to know
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Denver to Reagan-National (DEN-DCA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Reagan-National that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Reagan-National

Tue, Aug 11 - Tue, Aug 18
Frontier Logo
4:28 pm - 9:59 pm
DEN
-
DCA
3h 31mnonstop
Frontier Logo
7:00 am - 9:01 am
DCA
-
DEN
4h 01mnonstop
$310Frontier
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
2:04 pm - 10:59 pm
DEN
-
DCA
6h 55m
1 stop
Multiple Airlines Logo
6:00 pm - 8:07 pm
DCA
-
DEN
4h 07mnonstop
$311Multiple Airlines
Fri, Sep 4 - Mon, Sep 7
JetBlue Logo
2:44 pm - 9:50 pm
DEN
-
DCA
29h 06m
1 stop
JetBlue Logo
6:20 am - 12:57 pm
DCA
-
DEN
8h 37m
1 stop
$312JetBlue
Mon, Jul 27 - Thu, Jul 30
Frontier Logo
7:30 am - 12:51 pm
DEN
-
DCA
3h 21mnonstop
Frontier Logo
7:00 am - 9:01 am
DCA
-
DEN
4h 01mnonstop
$313Frontier
Mon, Aug 3 - Thu, Aug 6
Multiple Airlines Logo
11:37 pm - 10:10 am
DEN
-
DCA
8h 33m
1 stop
Multiple Airlines Logo
7:00 am - 9:01 am
DCA
-
DEN
4h 01mnonstop
$314Multiple Airlines
Thu, Sep 3 - Mon, Sep 7
JetBlue Logo
11:37 pm - 10:10 am
DEN
-
DCA
8h 33m
1 stop
JetBlue Logo
6:20 am - 12:57 pm
DCA
-
DEN
8h 37m
1 stop
$315JetBlue
Sun, Sep 13 - Sat, Sep 19
Multiple Airlines Logo
7:25 am - 12:49 pm
DEN
-
DCA
3h 24mnonstop
Multiple Airlines Logo
6:30 am - 2:18 pm
DCA
-
DEN
9h 48m
1 stop
$316Multiple Airlines
Sun, Jul 26 - Sun, Aug 2
Frontier Logo
7:30 am - 12:51 pm
DEN
-
DCA
3h 21mnonstop
Frontier Logo
6:00 pm - 8:07 pm
DCA
-
DEN
4h 07mnonstop
$317Frontier
Sat, Aug 22 - Sun, Aug 23
Frontier Logo
4:28 pm - 9:59 pm
DEN
-
DCA
3h 31mnonstop
Frontier Logo
7:00 am - 9:01 am
DCA
-
DEN
4h 01mnonstop
$318Frontier
Sat, Aug 15 - Sun, Aug 16
Frontier Logo
6:00 am - 2:53 pm
DEN
-
DCA
6h 53m
1 stop
Frontier Logo
6:00 pm - 8:07 pm
DCA
-
DEN
4h 07mnonstop
$319Frontier
Booking Insights

KAYAK's insights & trends for Denver to Reagan-National flights

Get data-powered insights and trends into flights from Denver to Reagan-National to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Denver to Washington, D.C. Reagan-National Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Denver to Washington, D.C. Reagan-National Airport departing in August.

What’s the cheapest day of the week to fly from Denver to Reagan Washington National Airport?

The average price of all round-trip flights from Denver to Washington, D.C. Reagan-National Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Reagan Washington National Airport on a Saturday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Denver to Reagan Washington National Airport. For your return ticket, we recommend flying on a Tuesday and avoiding Sundays for the best deals.

What is the cheapest month to fly from Denver to Washington, D.C. Reagan-National Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Washington, D.C. Reagan-National Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to Washington, D.C. Reagan-National Airport is February, where tickets cost $185 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $448 and $409 respectively.

Can I save money by flying with a layover from Denver to Washington, D.C. Reagan-National Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $434, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Denver to Washington, D.C. Reagan-National Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Washington, D.C. Reagan-National Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to Washington, D.C. Reagan-National Airport, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Expert advice

Expert advice for your flight from Denver to Reagan-National

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on DCA

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonJanuary
Cheapest flight$164
Best time to beat the crowds with an average 33% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Denver to Reagan Washington National Airport

When to book flights from Denver to Reagan-National

Are your dates flexible? Find out the best times to travel from Denver to Reagan-National based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Denver to Reagan Washington National Airport flights

  • Are there pet relief stations at DEN?

    Yes. DEN provides animal relief stations that feature artificial turf, a sink, soap, doggy waist bags, trash cans, and a drainage system. These stations can be found on the A, C, and C Concourses right in the center, near the US mail. The relief station in the Jeppesen Terminal is on the west side, just outside door 200.

  • Does DEN have a military lounge?

    Yes. If you are an active-duty or retired member of the US military, or a family member, you can take advantage of the USO military lounge free of charge at the Denver International Airport. This lounge is located on Level 4 of Concourse A, airside. Benefits of relaxing in this lounge include soda, snacks, coffee, water, comfy seating, games, Wi-Fi, and flight time boards.

  • If I want to stay near DEN the night before my flight to Washington, where can I find a hotel?

    The Westin Denver International Airport hotel is connected to the Jeppesen Terminal at the Denver International Airport. You can also get free shuttle service to your terminal if your plane is not leaving from the Jeppesen Terminal. Other amenities of this refined, comfortable hotel include a pool, a bar, a fitness center, a restaurant, room service, and much more.

  • Does DCA provide facilities for nursing moms?

    Yes. There are two private, comfortable, quiet nursing rooms in DCA where traveling moms can get out of the hustle and bustle of the terminals in order to breastfeed in private or pump. Each nursing room features rocking chairs, changing tables, and power outlets. You can find these rooms in Terminal A, just before this security checkpoint and in the National Hall, landside.

  • What is the cheapest flight from Denver to Washington, D.C. Reagan-National Airport?

    In the last 5 days, the lowest price for a flight from Denver to Washington, D.C. Reagan-National Airport was $164 for a one-way ticket and $310 for a round-trip.

  • Do I need a passport to fly between Denver and Reagan Washington National Airport?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Denver to Reagan Washington National Airport?

    When flying out of Denver you will be using Denver Intl. You will be landing at Reagan Washington National Airport, also known as Washington, D.C. Reagan-National.

  • Which airlines offer Wi-Fi service onboard planes from Denver to Reagan Washington National Airport?

    JetBlue, American Airlines, and Alaska Airlines offer inflight Wi-Fi service on the Denver to Reagan Washington National Airport flight route.

  • Which aircraft models fly most regularly from Denver to Reagan Washington National Airport?

    The Airbus A320neo is the aircraft model that flies most regularly on the Denver to Reagan Washington National Airport flight route.

  • Which airline alliances offer flights from Denver to Reagan Washington National Airport?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Denver and Reagan Washington National Airport, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Denver to Reagan Washington National Airport?

    There are nonstop flights from Denver to Reagan Washington National Airport on a daily basis.

  • Which is the best airline for flights from Denver to Washington, D.C., Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Denver to Washington, D.C. are Southwest and Delta. With an average price for the route of $376 and an overall rating of 7.9, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $433 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Denver to Reagan Washington National Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to Reagan Washington National Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Reagan Washington National Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to Reagan Washington National Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back to Denver with another airline. Booking your flights between Denver and DCA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Reagan Washington National Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Denver to Washington, D.C. Reagan-National Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $232 or less one-way and $377 or less round-trip.
  • Located on the eastern side of Denver, the Denver International Airport (DEN) is a hub for United Airlines, Southwest, Frontier, and many other smaller and regional airlines. The Ronald Reagan Washington National Airport (DCA) is located just outside Washington DC, in Virginia. This airport serves as a hub for American Airlines.
  • United Airlines and Frontier are among the carriers that operate non-stop flights between DEN and DCA. Delta, United Airlines, and American Airlines operate one-stop flights between DEN and DCA. Layover cities include Detroit (DTW), New York (LGA), New York (EWR), Chicago (ORD), and Houston (IAH).
  • If you need to pass the time at the Denver International Airport as you wait for your flight to Washington, stroll around the airport to enjoy the many artworks on display, including sculptures, murals, paintings, and exterior landscapes. DEN features pieces of its permanent collection as well as rotating exhibitions. The mural in the Jeppesen Terminal on level 5 is particularly striking.
  • There is an Interfaith Chapel located in DCA on Concourse B at the south end, across from the Delta Airlines gates and behind the Dunkin' Donuts. You can use this quiet space as a place of reflection, prayer, or meditation. There are also scheduled Protestant and Catholic services led by the clergy, as well as Jewish and Islamic prayer times that are not led by any clergy.
  • When you land at DCA, consider going to the Observation Area to relax and watch the planes land and take off. In Terminal B and Terminal C, the Observation Areas are on terraces. The Observation Area in Terminal A provides rocking chairs where you can sit to enjoy watching the airplanes.

Prefer to fly direct from Denver to Reagan Washington National Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Denver Intl to Washington, D.C. Reagan-National.
Find which airlines fly direct from Denver Intl Airport to Washington, D.C. Reagan-National Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to Washington, D.C. Reagan-National

Monday

Frontier,United Airlines

Frontier,United Airlines

Tuesday

Frontier,United Airlines

Frontier,United Airlines

Wednesday

Frontier,United Airlines

Frontier,United Airlines

Thursday

Frontier,United Airlines

Frontier,United Airlines

Friday

Frontier,United Airlines

Frontier,United Airlines

Saturday

Frontier,United Airlines

Frontier,United Airlines

Sunday

Frontier,United Airlines

Frontier,United Airlines

See more direct flights

Direct returns

Washington, D.C. Reagan-National to Denver Intl

Monday

Frontier,United Airlines

Frontier,United Airlines

Tuesday

Frontier,United Airlines

Frontier,United Airlines

Wednesday

Frontier,United Airlines

Frontier,United Airlines

Thursday

Frontier,United Airlines

Frontier,United Airlines

Friday

Frontier,United Airlines

Frontier,United Airlines

Saturday

Frontier,United Airlines

Frontier,United Airlines

Sunday

Frontier,United Airlines

Frontier,United Airlines

See more direct flights

Everything you need to know for your flight from Denver to Reagan-National

Information on your arrival and departure airports