DEN - DCA

$152 Find Cheap Flights from Denver to Reagan Washington National Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$301
Typical prices: $251-$440
Frontier
Wed 12/5Wed 12/12
DEN - DCA • Non-stop
Cheapest one-way
$152
Typical prices: $158-$304
Frontier
Sun 12/30
DEN - DCA • Non-stop
Nonstop flights
You can fly direct with Frontier and United Airlines. Average duration is 3h 21m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 48% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $299 (round-trip)
Shortest trip • 5h 02m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Reagan-National Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Sat, Dec 5 - Sat, Dec 12
Frontier Logo
7:30 am - 12:55 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
3h 25mnonstop
Frontier Logo
6:00 pm - 8:20 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
4h 20mnonstop
$301Frontier
Sun, Dec 6 - Sun, Dec 6
Frontier Logo
7:30 am - 12:55 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
3h 25mnonstop
Frontier Logo
6:00 pm - 8:20 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
4h 20mnonstop
$302Frontier
Fri, Dec 4 - Thu, Dec 10
Multiple Airlines Logo
7:24 pm - 4:05 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
18h 41m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
7:00 am - 9:16 amDCA  Washington, D.C. Reagan-National-DEN Denver Intl
4h 16mnonstop
$322Multiple Airlines
Fri, Dec 4 - Fri, Dec 11
Multiple Airlines Logo
7:24 pm - 4:05 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
18h 41m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
7:00 am - 9:16 amDCA  Washington, D.C. Reagan-National-DEN Denver Intl
4h 16mnonstop
$327Multiple Airlines
Thu, Nov 26 - Wed, Dec 2
American Airlines Logo
9:15 am - 5:02 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
5h 47m1 stop Chicago O'Hare Intl
American Airlines Logo
5:26 pm - 9:58 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
6h 32m1 stop Charlotte Douglas
$354American Airlines
Mon, Nov 23 - Tue, Dec 1
American Airlines Logo
12:30 am - 9:50 amDEN  Denver Intl-DCA Washington, D.C. Reagan-National
7h 20m1 stop Charlotte Douglas
American Airlines Logo
12:50 pm - 5:21 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
6h 31m1 stop Chicago O'Hare Intl
$355American Airlines
Wed, Dec 2 - Fri, Dec 4
Southwest Logo
11:20 am - 6:00 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
4h 40m1 stop Omaha Eppley Airfield
Southwest Logo
4:00 pm - 7:15 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
5h 15m1 stop Omaha Eppley Airfield
$370Southwest
Tue, Dec 8 - Wed, Dec 9
Southwest Logo
11:20 am - 5:55 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
4h 35m1 stop Omaha Eppley Airfield
Southwest Logo
4:00 pm - 7:15 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
5h 15m1 stop Omaha Eppley Airfield
$370Southwest
Thu, Dec 24 - Tue, Jan 12
United Airlines Logo
9:35 am - 2:59 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
3h 24mnonstop
United Airlines Logo
4:15 pm - 6:25 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
4h 10mnonstop
$379United Airlines
Sat, Dec 12 - Tue, Jan 26
United Airlines Logo
9:35 am - 2:56 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
3h 21mnonstop
United Airlines Logo
4:15 pm - 6:25 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
4h 10mnonstop
$379United Airlines
Booking Insights

Price, demand and travel trends for Denver to Washington, D.C. Reagan-National Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Denver to Washington, D.C. Reagan-National Airport typically range from $251 to $440. The lowest price found in the past 5 days was $301, on Frontier.

What's the cheapest day of the week to fly from Denver to Washington, D.C. Reagan-National Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Denver to Washington, D.C. Reagan-National Airport. It’s 9% cheaper than the average day, while Monday is the most expensive, with prices 17% higher.

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

•February is the cheapest month to fly from Denver to Washington, D.C. Reagan-National Airport at $179 round-trip.
•July ($415) and November ($407) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 131% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Denver to Washington, D.C. Reagan-National Airport the cheapest?

Flights from Denver to Washington, D.C. Reagan-National Airport are cheapest 11 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Denver to Reagan-National

 
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.

Key details for Denver to Washington, D.C. Reagan-National Airport flights

Low season

September

Cheapest flight

$152
Beat the crowds with an average 21% drop in travelers.
The most popular month to fly with an average 22% increase in travelers.
One-way flight from Denver to Washington, D.C. Reagan-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

Your Denver to Washington, D.C. Reagan-National Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Denver to Washington, D.C. Reagan-National Airport?

    These are the earliest and latest flight times available from Denver to Washington, D.C. Reagan-National Airport:

    • Earliest: departs at 6:45 am and lands at 10:06 am
    • Latest: departs at 4:40 pm and lands at 8:01 pm.

    The flight takes about 3h 21m.

  • What cabin classes can I book on flights from Denver to Washington, D.C. Reagan-National Airport?

    Four cabin classes are available on flights from Denver to Washington, D.C. Reagan-National Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Denver to Washington, D.C. Reagan-National Airport?

    A nonstop flight from Denver to Washington, D.C. Reagan-National Airport takes 3h 21m, covering 1,471 miles.

  • Do I need a passport to fly from Denver to Washington, D.C. Reagan-National Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Denver to Washington, D.C. Reagan-National Airport flight?

    Round-trip flights from Denver to Washington, D.C. Reagan-National Airport range from $251 to $440, with an average of $346 over the past 12 months. Anything below $251 counts as a good deal.

  • How expensive are last-minute Denver to Washington, D.C. Reagan-National Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 24% above the $346 route average. Book 11 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Denver to Washington, D.C. Reagan-National Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $299 round-trip via Boston Logan Intl (BOS), compared to $347 for nonstop.

  • What is the standard checked-bag allowance on flights from Denver to Washington, D.C. Reagan-National Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Denver to Washington, D.C. Reagan-National Airport?

    The Airbus A320neo family is used most often on this route, operated mainly by Frontier. Other aircraft seen on the route include Airbus A321neo variants.

  • How are flight departures from Denver to Washington, D.C. Reagan-National Airport spread across the day?

    Morning is the busiest departure period on Denver to Washington, D.C. Reagan-National Airport flights, with 75% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Denver to Washington, D.C. Reagan-National Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $298 to $2,084. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Denver to Washington, D.C. Reagan-National Airport looking right now?

    One-way fares from Denver to Washington, D.C. Reagan-National Airport are currently lower than usual. Average one-way flight prices are about $193, which is 17% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Reagan-National Airport (DCA)?

    Washington, D.C. Reagan-National Airport (DCA) hosts 5 major car rental companies, with daily rates averaging $71 for economy cars. Top options include:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

  • Which airports can I use when flying from Denver to Washington, D.C. Reagan-National Airport?

    Flights from Denver to Washington, D.C. Reagan-National Airport usually depart from Denver Intl (DEN) and arrive at Washington, D.C. Reagan-National (DCA).

  • Which airports do connecting flights from Denver to Washington, D.C. Reagan-National Airport pass through?

    One-stop flights from Denver to Washington, D.C. Reagan-National Airport most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 24% of one-stop connections
    • Boston Logan Intl (BOS) - 22% of one-stop connections
    • Lambert-St Louis (STL) - 20% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from Denver to Washington, D.C. Reagan-National Airport?

    Yes. Flexible dates can save you up to 23% on flights from Denver to Washington, D.C. Reagan-National Airport. Thursday is the cheapest departure day at $315 round-trip on average, while Monday is the most expensive at $405, a difference of $90.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Denver to Washington, D.C. Reagan-National Airport?

    2 airlines operate flights between Denver and Washington, D.C. Reagan-National Airport. The airlines offering nonstop flights on this route include:

    • Frontier
    • United Airlines

  • How much time can I save by choosing a different layover airport from Denver to Washington, D.C. Reagan-National Airport?

    Flying via Omaha Eppley Airfield (OMA) gives the shortest average 1-stop total travel time at 5h 02m, compared with 5h 05m via Kansas City (MCI) and 5h 25m via Lambert-St Louis (STL).

  • What is the time difference between Denver and Washington, D.C. Reagan-National Airport?

    Washington, D.C. Reagan-National Airport is 2 hours ahead of Denver (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Reagan-National Airport?

    Some of the most popular sights in Washington, D.C. Reagan-National Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Reagan-National Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Denver to Washington, D.C. Reagan-National Airport flights?

    Among airlines operating Denver to Washington, D.C. Reagan-National Airport flights:

    • Frontier: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Denver to Washington, D.C. Reagan-National Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Does DCA provide facilities for nursing moms?

    Yes, DCA has six comfortable nursing rooms. Each nursing room features rocking chairs, changing tables and power outlets. One room is located pre-security in Terminal 1 near the TSA Security Checkpoint and four rooms are post-security in National Hall between Gates D35-D45 and Gates B10-B22.

  • Are there pet relief stations at DEN?

    Yes. DEN has animal relief stations in the center cores of the A, B and C Gates near the U.S. Mail Drop. Each station includes artificial turf, a drainage system, an artificial rock, bags and disposal containers, a wall-mounted sink, a soap dispenser, an automatic hand dryer, a paper towel dispenser and a wall mural. Another animal relief station is in the Jeppesen Terminal on the west side, just outside door 200.

  • Does DEN have a military lounge?

    Yes, active-duty and retired members of the US military, along with family members, can use the USO military lounge at Denver International Airport (DEN) free of charge. It is located airside on Level 4 of Concourse A.

Your guide to booking Denver to Washington, D.C. Reagan-National Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $315, about $90 less than Monday fares (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Washington, D.C. Reagan-National Airport trip for February. Fares historically average $179 round-trip in that month - typically $236 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Boston Logan Intl Airport (BOS) can be cheaper than flying direct. The cheapest layover option averages $299 round-trip on this route - about $48 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG
    • Cambria Hotel Washington D.C. Navy Yard Riverfront
  • Plan this route with airport location in mind. Denver International Airport (DEN) is on the eastern side of Denver and serves as a hub for United Airlines, Southwest, Frontier and many smaller and regional airlines. Ronald Reagan Washington National Airport (DCA) is just outside Washington, DC, in Virginia and serves as a hub for American Airlines.
  • If you want a quiet place to reflect or pray at DCA, head to the Interfaith Chapel in Terminal 2. It's at the south end across from Gates B10–B22, directly behind Dunkin Donuts and it also hosts scheduled Protestant and Catholic services led by clergy, plus Jewish and Islamic prayer times that are not led by clergy.

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

 
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

More options for your flight from Denver to Reagan-National

Complete your trip to Washington, D.C. with a hotel stay or car rental