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Reagan-National

$421+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DCA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 2/128:50 am
DUB
-
DCA
2 stops18h 22m
Delta
Wed 2/1811:06 am
DCA
-
DUB
2 stops15h 54m
Delta
Deal found 1/27$507
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 2/115:55 am
DUB
-
DCA
2 stops15h 34m
Delta
Wed 2/185:00 pm
DCA
-
DUB
2 stops17h 45m
Delta
Deal found 1/27$508
This Delta deal was found by Cheapflights users on 1/27. 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 2/61:25 pm
DUB
-
DCA
2 stops15h 16m
Delta
Sun 2/155:59 pm
DCA
-
DUB
2 stops16h 46m
Delta
Deal found 1/27$509
This Delta deal was found by Cheapflights users on 1/28. 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.
Mon 2/95:55 am
DUB
-
DCA
2 stops15h 34m
Delta
Wed 2/185:00 pm
DCA
-
DUB
2 stops17h 45m
Delta
Deal found 1/28$510
This Delta deal was found by Cheapflights users on 1/27. 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 2/201:25 pm
DUB
-
DCA
2 stops15h 18m
Delta
Thu 2/2612:20 pm
DCA
-
DUB
1 stop14h 25m
Delta
Deal found 1/27$511
This Delta deal was found by Cheapflights users on 1/29. 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.
Thu 2/125:55 am
DUB
-
DCA
2 stops16h 55m
Delta
Thu 2/1911:06 am
DCA
-
DUB
2 stops15h 44m
Delta
Deal found 1/29$512
This Delta deal was found by Cheapflights users on 1/27. 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.
Sat 2/148:55 am
DUB
-
DCA
2 stops16h 01m
Delta
Fri 2/205:00 pm
DCA
-
DUB
2 stops17h 45m
Delta
Deal found 1/27$514
This Delta deal was found by Cheapflights users on 1/28. 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.
Sat 2/76:00 am
DUB
-
DCA
2 stops15h 29m
Delta
Sun 2/155:59 pm
DCA
-
DUB
2 stops16h 46m
Delta
Deal found 1/28$517
This KLM deal was found by Cheapflights users on 1/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:45 am
DUB
-
DCA
1 stop10h 42m
Multiple Airlines
Mon 3/93:50 pm
DCA
-
DUB
1 stop11h 55m
Multiple Airlines
Deal found 1/26$521
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:30 am
DUB
-
DCA
2 stops16h 07m
American Airlines
Sun 2/81:35 pm
DCA
-
DUB
2 stops15h 15m
American Airlines
Deal found 1/26$523
This KLM deal was found by Cheapflights users on 1/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:45 am
DUB
-
DCA
1 stop10h 42m
Multiple Airlines
Tue 3/35:00 pm
DCA
-
DUB
1 stop11h 20m
Multiple Airlines
Deal found 1/26$524

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$507
(Delta)

One-way from

$421
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$542
Provider with most accurate pricing for Dublin-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Washington, D.C. Reagan-National flights.
Search Deals
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. 12% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Thu 2/12

8:50 am-10:12 pm

2 stops18h 22m

Washington, D.C. Reagan-National

Wed 2/18

11:06 am-8:00 am

2 stops15h 54m

$507

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 2/12

5:55 am-5:50 pm

2 stops16h 55m

Washington, D.C. Reagan-National

Sun 2/15

5:59 pm-3:45 pm

2 stops16h 46m

$509

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 3/2

5:55 am-4:27 pm

2 stops15h 32m

Washington, D.C. Reagan-National

Mon 3/9

8:45 pm-3:45 pm

2 stops15h 00m

$510

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 2/24

5:55 am-4:27 pm

2 stops15h 32m

Washington, D.C. Reagan-National

Tue 3/3

9:54 am-7:45 am

2 stops16h 51m

$511

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 2/20

1:25 pm-11:43 pm

2 stops15h 18m

Washington, D.C. Reagan-National

Thu 2/26

9:59 am-7:45 am

2 stops16h 46m

$511

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 2/14

8:55 am-7:56 pm

2 stops16h 01m

Washington, D.C. Reagan-National

Fri 2/20

5:00 pm-3:45 pm

2 stops17h 45m

$514

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 3/2

10:45 am-4:27 pm

1 stop10h 42m

Washington, D.C. Reagan-National

Mon 3/9

3:50 pm-7:45 am

1 stop11h 55m

$521

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 2/24

10:45 am-4:27 pm

1 stop10h 42m

Washington, D.C. Reagan-National

Tue 3/3

5:00 pm-9:20 am

1 stop11h 20m

$524

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 2/24

11:30 am-5:50 pm

1 stop11h 20m

Washington, D.C. Reagan-National

Tue 3/3

1:40 pm-7:45 am

1 stop13h 05m

$528

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/25

8:05 am-4:59 pm

3 stops37h 54m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Dublin-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 18h 22m. Delta provides one of the quickest options available for as low as $507. 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Dublin to Reagan-National

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