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Cheap flights from Washington, D.C. Reagan-National Airport to Dublin from €261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Dublin departing on 19/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
10:12 - 05:15
DCA
-
DUB
14h 03m
1 stop
British Airways Logo
07:35 - 20:43
DUB
-
DCA
18h 08m
2 stops
€383British Airways
Mon, 2 Feb - Tue, 17 Feb
Multiple Airlines Logo
14:16 - 05:05
DCA
-
DUB
9h 49m
1 stop
Multiple Airlines Logo
11:15 - 18:33
DUB
-
DCA
11h 18m
1 stop
€385Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
British Airways Logo
13:30 - 09:10
DCA
-
DUB
14h 40m
2 stops
British Airways Logo
07:30 - 18:33
DUB
-
DCA
15h 03m
2 stops
€387British Airways
Sun, 1 Mar - Tue, 10 Mar
British Airways Logo
17:00 - 11:15
DCA
-
DUB
13h 15m
2 stops
British Airways Logo
18:35 - 21:01
DUB
-
DCA
30h 26m
2 stops
€388British Airways
Sun, 1 Mar - Tue, 10 Mar
American Airlines Logo
17:38 - 08:45
DCA
-
DUB
10h 07m
1 stop
American Airlines Logo
16:40 - 23:50
DUB
-
DCA
12h 10m
1 stop
€392American Airlines
Fri, 13 Feb - Tue, 17 Feb
American Airlines Logo
12:25 - 04:20
DCA
-
DUB
10h 55m
1 stop
American Airlines Logo
16:45 - 07:45
DUB
-
DCA
19h 00m
1 stop
€393American Airlines
Fri, 6 Mar - Thu, 12 Mar
Iberia Logo
13:54 - 08:55
DCA
-
DUB
14h 01m
2 stops
Iberia Logo
11:40 - 22:16
DUB
-
DCA
14h 36m
1 stop
€395Iberia
Mon, 2 Mar - Mon, 9 Mar
American Airlines Logo
15:50 - 10:35
DCA
-
DUB
13h 45m
1 stop
American Airlines Logo
16:45 - 23:59
DUB
-
DCA
12h 14m
1 stop
€396American Airlines
Fri, 1 May - Wed, 6 May
American Airlines Logo
12:25 - 04:20
DCA
-
DUB
10h 55m
1 stop
American Airlines Logo
11:30 - 21:14
DUB
-
DCA
13h 44m
2 stops
€397American Airlines
Fri, 6 Mar - Thu, 12 Mar
British Airways Logo
17:00 - 09:10
DCA
-
DUB
12h 10m
2 stops
British Airways Logo
06:40 - 18:33
DUB
-
DCA
15h 53m
2 stops
€398British Airways
Wed, 11 Mar - Thu, 19 Mar

American Airlines flights from Washington, D.C. Reagan-National Airport to Dublin

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
American Airlines
13 Feb
DCA17:38Washington, D.C. Reagan-National
10h 07m
1 stop
DUB08:45Dublin
17 Feb
DUB16:40Dublin
12h 10m
1 stop
DCA23:50Washington, D.C. Reagan-National
€392
American Airlines
6 Mar
DCA12:25Washington, D.C. Reagan-National
10h 55m
1 stop
DUB04:20Dublin
12 Mar
DUB16:45Dublin
19h 00m
1 stop
DCA07:45Washington, D.C. Reagan-National
€393
American Airlines
1 May
DCA15:50Washington, D.C. Reagan-National
13h 45m
1 stop
DUB10:35Dublin
6 May
DUB16:45Dublin
12h 14m
1 stop
DCA23:59Washington, D.C. Reagan-National
€396

United Airlines flights from Washington, D.C. Reagan-National Airport to Dublin

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
United Airlines
17 Feb
DCA20:00Washington, D.C. Reagan-National
31h 10m
1 stop
DUB08:10Dublin
4 Mar
DUB09:00Dublin
32h 19m
2 stops
DCA12:19Washington, D.C. Reagan-National
€431
United Airlines
9 Mar
DCA18:00Washington, D.C. Reagan-National
9h 30m
1 stop
DUB07:30Dublin
18 Mar
DUB08:00Dublin
32h 19m
2 stops
DCA12:19Washington, D.C. Reagan-National
€441
United Airlines
9 Feb
DCA16:15Washington, D.C. Reagan-National
10h 15m
1 stop
DUB07:30Dublin
6 May
DUB09:20Dublin
15h 38m
1 stop
DCA19:58Washington, D.C. Reagan-National
€445

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport to Dublin 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, momondo users made 13,528 searches. Data last updated 17 January 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 2/2

10:12-05:15

1 stop14h 03m

Dublin

Tue 17/2

07:35-20:43

2 stops18h 08m

€383

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 2/3

14:16-05:05

1 stop9h 49m

Dublin

Mon 9/3

11:15-18:33

1 stop11h 18m

€385

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 1/3

13:30-09:10

2 stops14h 40m

Dublin

Tue 10/3

07:30-18:33

2 stops15h 03m

€387

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 1/3

17:00-11:15

2 stops13h 15m

Dublin

Tue 10/3

18:35-21:01

2 stops30h 26m

€388

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 13/2

17:38-08:45

1 stop10h 07m

Dublin

Tue 17/2

16:40-23:50

1 stop12h 10m

€392

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 6/3

12:25-04:20

1 stop10h 55m

Dublin

Thu 12/3

16:45-07:45

1 stop19h 00m

€393

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 2/3

13:54-08:55

2 stops14h 01m

Dublin

Mon 9/3

11:40-22:16

1 stop14h 36m

€395

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 1/5

15:50-10:35

1 stop13h 45m

Dublin

Wed 6/5

16:45-23:59

1 stop12h 14m

€396

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 6/3

12:25-04:20

1 stop10h 55m

Dublin

Thu 12/3

11:30-21:14

2 stops13h 44m

€397

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 11/3

17:00-09:10

2 stops12h 10m

Dublin

Thu 19/3

06:40-18:33

2 stops15h 53m

€398

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of February, then book flights to Dublin from Washington, D.C. Reagan-National Airport during September instead. Flights to Dublin in September, while not as cheap as those in February, still average around €545.

What is the cheapest day to depart on your flight to Dublin?

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €616. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €628. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Washington, D.C. Reagan-National Airport to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €628. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €689 on average. Flights to Dublin from Washington, D.C. Reagan-National Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Washington, D.C. Reagan-National Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Reagan-National Airport to Dublin (DCA to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Dublin

Fastest flight time

10h 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Dublin takes 10h 20m
There are no direct flights from Washington, D.C. Reagan-National Airport to Dublin. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Dublin.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Dublin by plane?

    Dublin is 5442.4 km away from Washington, D.C. Reagan-National. By plane, this route typically takes 10h 20m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Dublin Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Dublin Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Dublin Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Cavan
Swords
Dundalk
Tullamore
Naas
Kildare
Enniscorthy
Bray
Mullingar
Carlingford
Gorey
Malahide
Maynooth
Leixlip
Arklow
Castleknock
Drogheda

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Dublin . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Dublin with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Dublin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Dublin.

I’m not ready to book a flight from Washington, D.C. to Dublin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Dublin from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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