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Reagan-National

$465+ Cheap flights from Dublin (DUB) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DCA
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Dublin to Reagan-National

Cheapest flights from Dublin to Reagan-National
Explore the most affordable flight options available from Dublin to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This Finnair deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:30 amDUB - DCA
1 stop10h 05mMultiple Airlines
Sun 1/44:59 pmDCA - DUB
1 stop10h 41mMultiple Airlines
Deal found 12/25$796
This Delta deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:45 amDUB - DCA
2 stops17h 16mDelta
Sun 1/46:55 pmDCA - DUB
1 stop9h 25mDelta
Deal found 12/25$919
This Ovago deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:40 amDUB - DCA
1 stop12h 02mMultiple Airlines
Fri 1/21:44 pmDCA - DUB
1 stop13h 56mMultiple Airlines
Deal found 12/25$1,246
This oojo deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:05 pmDUB - DCA
2 stops32h 45mTAP AIR PORTUGAL
Fri 1/24:45 pmDCA - DUB
2 stops25h 35mTAP AIR PORTUGAL
Deal found 12/25$1,868

Find flight deals from Dublin to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$504
(Delta)

One-way from

$465
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$616
Provider with most accurate pricing for Dublin-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Dublin-Washington, D.C. (WAS) flights.
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From Dublin to Washington, D.C. Reagan-National
Search Deals
One-way flight from Dublin to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dublin to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 26, 2025.
Use the filters below to find and compare flights from Dublin to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Dublin

Fly to

Reagan-National

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 2/9

5:55 am-5:53 pm

2 stops16h 58m

Washington, D.C. Reagan-National

Mon 2/16

5:00 pm-3:45 pm

2 stops17h 45m

$503

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/16

5:55 am-5:53 pm

2 stops16h 58m

Washington, D.C. Reagan-National

Thu 1/22

11:10 am-8:00 am

2 stops15h 50m

$504

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/16

1:25 pm-11:41 pm

2 stops15h 16m

Washington, D.C. Reagan-National

Fri 1/23

11:10 am-8:00 am

2 stops15h 50m

$504

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/11

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Wed 2/18

11:06 am-8:00 am

2 stops15h 54m

$504

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 2/8

5:55 am-5:53 pm

2 stops16h 58m

Washington, D.C. Reagan-National

Sun 2/15

5:59 pm-3:45 pm

2 stops16h 46m

$505

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 2/9

10:45 am-4:29 pm

1 stop10h 44m

Washington, D.C. Reagan-National

Mon 2/16

5:00 pm-8:45 am

1 stop10h 45m

$506

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/16

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Fri 1/23

11:10 am-8:45 am

1 stop16h 35m

$507

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/16

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Thu 1/22

6:00 am-8:45 am

1 stop21h 45m

$507

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 2/9

10:45 am-4:29 pm

1 stop10h 44m

Washington, D.C. Reagan-National

Mon 2/16

11:06 am-7:50 am

2 stops15h 44m

$514

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 3/13

1:25 pm-11:44 pm

2 stops14h 19m

Washington, D.C. Reagan-National

Fri 3/20

1:40 pm-7:45 am

1 stop14h 05m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 19 results
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Best time to book a flight from Dublin to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Dublin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to Washington, D.C. Reagan-National?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Dublin. Booking flights from Dublin (DUB) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 0 different airlines.

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

    A quick flight from Dublin to Washington, D.C. Reagan-National Airport can take about 16h 58m. Delta provides one of the quickest options available for as low as $503. Airlines will cover a distance of 3381 mi.

  • Can I find deals for flights from Dublin to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Dublin to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Reagan-National.

  • Can I find deals for business class flights from Dublin to Reagan-National?

    Yes. Cheapflights offers flight deals from Dublin to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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