HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$300+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DCA
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ireland to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 2, 2026.

This American Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 2/911:30 am
DUB
-
DCA
1 stop10h 20m
American Airlines
Sun 2/152:16 pm
DCA
-
DUB
1 stop13h 24m
American Airlines
Deal found 2/2$531
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 2/811:30 am
DUB
-
DCA
1 stop15h 00m
American Airlines
Sun 2/224:40 pm
DCA
-
DUB
1 stop11h 00m
American Airlines
Deal found 2/1$532
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Sat 2/711:30 am
DUB
-
DCA
1 stop14h 29m
American Airlines
Mon 2/162:16 pm
DCA
-
DUB
1 stop13h 24m
American Airlines
Deal found 1/31$535
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 2/1811:30 am
DUB
-
DCA
1 stop14h 13m
American Airlines
Mon 3/162:16 pm
DCA
-
DUB
1 stop14h 24m
American Airlines
Deal found 2/1$542
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 2/1111:30 am
DUB
-
DCA
1 stop15h 00m
American Airlines
Wed 2/182:16 pm
DCA
-
DUB
1 stop13h 24m
American Airlines
Deal found 2/2$546
This Delta deal was found by Cheapflights users on 2/2. 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 2/111:25 pm
DUB
-
DCA
2 stops14h 23m
Delta
Wed 2/1811:06 am
DCA
-
DUB
2 stops15h 54m
Delta
Deal found 2/2$554
This Delta deal was found by Cheapflights users on 1/31. 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 stops15h 32m
Delta
Fri 2/205:00 pm
DCA
-
DUB
2 stops17h 45m
Delta
Deal found 1/31$556
This Delta deal was found by Cheapflights users on 2/2. 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 2/185:55 am
DUB
-
DCA
2 stops16h 55m
Delta
Mon 3/162:25 pm
DCA
-
DUB
1 stop14h 55m
Delta
Deal found 2/2$557
This Delta deal was found by Cheapflights users on 1/31. 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.
Tue 3/175:55 am
DUB
-
DCA
2 stops15h 54m
Delta
Tue 3/246:30 pm
DCA
-
DUB
1 stop10h 50m
Delta
Deal found 1/31$559
This Delta deal was found by Cheapflights users on 1/31. 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.
Sun 2/85:55 am
DUB
-
DCA
2 stops15h 34m
Delta
Sun 2/155:59 pm
DCA
-
DUB
2 stops17h 21m
Delta
Deal found 1/31$561
This Delta deal was found by Cheapflights users on 1/31. 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 2/78:55 am
DUB
-
DCA
2 stops15h 57m
Delta
Mon 2/1611:06 am
DCA
-
DUB
2 stops15h 44m
Delta
Deal found 1/31$562
This TravelUp deal was found by Cheapflights users on 2/2. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:50 am
SNN
-
DCA
2 stops18h 40m
Multiple Airlines
Mon 3/25:00 pm
DCA
-
SNN
2 stops18h 45m
Multiple Airlines
Deal found 2/2$679

Find 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 February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$506
(Delta)

One-way from

$300
(Trip.com)

Popular in

August

Cheapest in

September

Average price

$528
Provider with most accurate pricing for Dublin-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Washington, D.C. (WAS) flights.
Search Deals
From Ireland to Washington, D.C. Reagan-National
Search Deals
One-way flight from Ireland to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($79 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 February 2026
Search Deals

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 February 2, 2026.
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

Thu 2/12

5:55 am-5:50 pm

2 stops16h 55m

Washington, D.C. Reagan-National

Wed 2/18

11:06 am-8:00 am

2 stops15h 54m

$506

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 2/20

11:30 am-4:25 pm

1 stop9h 55m

Washington, D.C. Reagan-National

Thu 2/26

2:16 pm-8:40 am

1 stop13h 24m

$532

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 2/12

11:30 am-4:25 pm

1 stop9h 55m

Washington, D.C. Reagan-National

Thu 2/19

4:34 pm-8:40 am

1 stop11h 06m

$532

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/18

11:30 am-8:43 pm

1 stop14h 13m

Washington, D.C. Reagan-National

Mon 3/16

2:16 pm-8:40 am

1 stop14h 24m

$542

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/18

1:25 pm-11:43 pm

2 stops15h 18m

Washington, D.C. Reagan-National

Mon 3/16

5:09 pm-8:45 am

1 stop11h 36m

$557

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 2/12

5:55 am-4:27 pm

2 stops15h 32m

Washington, D.C. Reagan-National

Thu 2/19

5:00 pm-12:40 pm

2 stops14h 40m

$559

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 2/20

8:45 am-10:12 pm

2 stops18h 27m

Washington, D.C. Reagan-National

Thu 2/26

1:40 pm-7:45 am

1 stop13h 05m

$563

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Mon 2/23

7:50 am-9:30 pm

2 stops18h 40m

Washington, D.C. Reagan-National

Mon 3/2

5:00 pm-4:45 pm

2 stops18h 45m

$679

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Sun 2/15

7:50 am-10:00 pm

2 stops19h 10m

Washington, D.C. Reagan-National

Sun 2/22

4:40 pm-11:30 am

2 stops13h 50m

$682

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Sat 2/28

7:50 am-9:30 pm

2 stops18h 40m

Washington, D.C. Reagan-National

Wed 3/4

4:34 pm-11:30 am

2 stops13h 56m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 30 results
1
2
3

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 $532, Delta can have you in Washington, D.C. Reagan-National Airport from Ireland in 9h 55m. 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Dulles Intl flights
Frankfurt to Baltimore flights
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Heathrow to Baltimore flights
Bruxelles-National to Dulles Intl flights
Munich to Dulles Intl flights
Madrid to Dulles Intl flights
Heathrow to Reagan-National flights
Charles de Gaulle to Baltimore flights
Charles de Gaulle to Reagan-National flights
Istanbul to Dulles Intl flights
Madrid to Baltimore flights
Gatwick to Dulles Intl flights
Madrid to Reagan-National flights
Orly to Dulles Intl flights
Bruxelles-National to Baltimore flights
Barcelona-El Prat to Dulles Intl flights
London City to Dulles Intl flights
Gatwick to Baltimore flights
Amsterdam to Dulles Intl flights
Stansted to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Zurich to Dulles Intl flights
Frankfurt to Reagan-National flights
Munich to Baltimore flights
Frederic Chopin to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Malpensa to Dulles Intl flights
Gatwick to Reagan-National flights
Dublin to Dulles Intl flights
Frankfurt-Hahn to Baltimore flights
Istanbul to Reagan-National flights
Vienna to Dulles Intl flights
Frederic Chopin to Baltimore flights
Linate to Dulles Intl flights
Istanbul to Baltimore flights
Malpensa to Reagan-National flights
Geneva to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Athens to Dulles Intl flights
Barcelona-El Prat to Baltimore flights
Manchester to Dulles Intl flights
Berlin to Dulles Intl flights
Berlin to Baltimore flights
Luton to Dulles Intl flights
Linate to Baltimore flights
Charleroi Brussels to Dulles Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.