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Reagan-National

$341+ Cheap flights from Ireland 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DCA
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from Ireland to Reagan-National

Keep the following information in mind while searching for Ireland to Reagan-National flight deals. Data was last updated November 5, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$465
(British Airways)

One-way from

$341
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$494
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 Ireland to Washington, D.C. Reagan-National
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One-way flight from Ireland to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 13% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Ireland to Reagan-National

Cheapest flights from Ireland to Reagan-National
Explore the most affordable flight options available from Ireland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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 11/261:25 pmDUB - DCA
2 stops14h 31mDelta
Wed 12/311:13 amDCA - DUB
2 stops15h 37mDelta
Deal found 11/5$471
This Delta deal was found by Cheapflights users on 11/4. 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 12/31:25 pmDUB - DCA
2 stops15h 33mDelta
Wed 12/1011:13 amDCA - DUB
2 stops15h 37mDelta
Deal found 11/4$472
This Delta deal was found by Cheapflights users on 11/4. 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 11/265:55 amDUB - DCA
2 stops17h 05mDelta
Tue 2/249:59 amDCA - DUB
2 stops16h 46mDelta
Deal found 11/4$475
This Delta deal was found by Cheapflights users on 11/5. 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 11/131:25 pmDUB - DCA
2 stops14h 31mDelta
Wed 11/1911:10 amDCA - DUB
2 stops15h 55mDelta
Deal found 11/5$476
This Delta deal was found by Cheapflights users on 11/4. 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 11/135:55 amDUB - DCA
2 stops16h 05mDelta
Thu 11/2012:02 pmDCA - DUB
1 stop14h 43mDelta
Deal found 11/4$479
This Delta deal was found by Cheapflights users on 11/5. 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 11/2710:45 amDUB - DCA
1 stop10h 17mDelta
Wed 12/311:13 amDCA - DUB
2 stops15h 37mDelta
Deal found 11/5$481
This KLM deal was found by Cheapflights users on 11/5. 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.
Thu 11/2710:45 amDUB - DCA
1 stop15h 30mKLM
Sat 12/611:13 amDCA - DUB
1 stop16h 32mKLM
Deal found 11/5$482
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/1311:30 amDUB - DCA
1 stop9h 26mAmerican Airlines
Wed 11/191:44 pmDCA - DUB
1 stop13h 56mAmerican Airlines
Deal found 11/5$483
This Finnair deal was found by Cheapflights users on 11/3. 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.
Thu 11/1311:30 amDUB - DCA
1 stop14h 28mMultiple Airlines
Wed 11/194:51 pmDCA - DUB
1 stop10h 49mMultiple Airlines
Deal found 11/3$484
This KLM deal was found by Cheapflights users on 11/4. 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.
Thu 11/2710:45 amDUB - DCA
1 stop10h 17mMultiple Airlines
Tue 12/25:02 pmDCA - DUB
1 stop10h 43mMultiple Airlines
Deal found 11/4$485
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/47:50 amSNN - DCA
2 stops29h 41mAmerican Airlines
Mon 12/83:54 pmDCA - SNN
2 stops14h 36mAmerican Airlines
Deal found 11/3$621
This Delta deal was found by Cheapflights users on 11/4. 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 11/206:00 amORK - DCA
2 stops19h 41mDelta
Thu 11/275:03 pmDCA - ORK
2 stops16h 42mDelta
Deal found 11/4$625

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ireland 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 November 5, 2025.
Use the filters below to find and compare flights from Ireland to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Ireland

Fly to

Reagan-National

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 1/7

8:50 am-10:03 pm

2 stops18h 13m

Washington, D.C. Reagan-National

Fri 1/16

4:43 pm-2:20 pm

2 stops16h 37m

$465

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 11/26

1:25 pm-10:56 pm

2 stops14h 31m

Washington, D.C. Reagan-National

Wed 12/3

11:13 am-7:50 am

2 stops15h 37m

$471

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/12

9:00 am-7:45 pm

1 stop15h 45m

Washington, D.C. Reagan-National

Sun 1/18

3:15 pm-7:30 am

1 stop11h 15m

$472

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 12/3

1:25 pm-11:58 pm

2 stops15h 33m

Washington, D.C. Reagan-National

Wed 12/10

11:13 am-7:50 am

2 stops15h 37m

$472

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/11

1:25 pm-11:41 pm

2 stops15h 16m

Washington, D.C. Reagan-National

Wed 2/18

5:00 pm-3:45 pm

2 stops17h 45m

$472

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 1/11

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Sun 1/18

11:10 am-8:45 am

1 stop16h 35m

$474

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 11/26

5:55 am-6:00 pm

2 stops17h 05m

Washington, D.C. Reagan-National

Tue 12/2

6:45 pm-9:20 am

1 stop9h 35m

$474

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 11/26

1:25 pm-10:56 pm

2 stops14h 31m

Washington, D.C. Reagan-National

Thu 2/26

9:59 am-7:45 am

2 stops16h 46m

$474

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 11/26

1:25 pm-10:56 pm

2 stops14h 31m

Washington, D.C. Reagan-National

Tue 2/24

9:55 am-7:45 am

2 stops16h 50m

$474

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 12/11

5:55 am-5:05 pm

2 stops16h 10m

Washington, D.C. Reagan-National

Sun 12/14

9:40 am-7:45 am

2 stops17h 05m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 38 results
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Best time to book a flight from Ireland to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Ireland 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.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Washington, D.C. Reagan-National Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

    For as low as $471, British Airways can have you in Washington, D.C. Reagan-National Airport from Ireland in 14h 31m. Ireland and Washington, D.C. Reagan-National Airport are separated by a distance of 3381 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Ireland to Washington, D.C. Reagan-National Airport?

    When deciding which route to take from Ireland to Washington, D.C. Reagan-National Airport consider Dublin - Washington, D.C. Reagan-National, Shannon - Washington, D.C. Reagan-National or Cork - Washington, D.C. Reagan-National as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Ireland to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
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Frankfurt-Hahn to Baltimore flights
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Berlin to Baltimore flights

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