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Cheap flights from Washington, D.C. Reagan-National Airport to Dublin from €256

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 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
JetBlue Logo
20:55 - 08:20
DCA
-
DUB
30h 25m
1 stop
JetBlue Logo
10:40 - 10:10
DUB
-
DCA
28h 30m
1 stop
€555JetBlue
Fri, 14 Aug - Sun, 23 Aug
Aer Lingus Logo
18:50 - 05:10
DCA
-
DUB
29h 20m
1 stop
Aer Lingus Logo
13:00 - 19:57
DUB
-
DCA
11h 57m
1 stop
€561Aer Lingus
Wed, 11 Nov - Mon, 16 Nov
Aer Lingus Logo
20:40 - 05:10
DCA
-
DUB
27h 30m
1 stop
Aer Lingus Logo
13:20 - 19:57
DUB
-
DCA
11h 37m
1 stop
€566Aer Lingus
Wed, 19 Aug - Sun, 23 Aug
JetBlue Logo
13:25 - 08:20
DCA
-
DUB
13h 55m
1 stop
JetBlue Logo
11:30 - 22:59
DUB
-
DCA
16h 29m
1 stop
€567JetBlue
Mon, 3 Aug - Tue, 18 Aug
Multiple Airlines Logo
11:00 - 08:20
DCA
-
DUB
16h 20m
2 stops
Multiple Airlines Logo
09:40 - 12:00
DUB
-
DCA
31h 20m
3 stops
€583Multiple Airlines
Wed, 19 Aug - Mon, 24 Aug
Aer Lingus Logo
20:40 - 05:10
DCA
-
DUB
27h 30m
1 stop
Aer Lingus Logo
13:00 - 19:57
DUB
-
DCA
11h 57m
1 stop
€586Aer Lingus
Wed, 19 Aug - Tue, 22 Dec
Aer Lingus Logo
11:42 - 05:10
DCA
-
DUB
12h 28m
1 stop
Aer Lingus Logo
13:20 - 19:57
DUB
-
DCA
11h 37m
1 stop
€589Aer Lingus
Thu, 3 Sep - Sun, 6 Sep
JetBlue Logo
13:25 - 08:20
DCA
-
DUB
13h 55m
1 stop
JetBlue Logo
11:30 - 22:59
DUB
-
DCA
16h 29m
1 stop
€605JetBlue
Thu, 3 Sep - Mon, 7 Sep
JetBlue Logo
09:00 - 08:20
DCA
-
DUB
18h 20m
1 stop
JetBlue Logo
11:30 - 22:59
DUB
-
DCA
16h 29m
1 stop
€606JetBlue
Thu, 3 Sep - Sun, 6 Sep
JetBlue Logo
09:00 - 08:20
DCA
-
DUB
18h 20m
1 stop
JetBlue Logo
10:40 - 19:56
DUB
-
DCA
14h 16m
1 stop
€611JetBlue
Thu, 3 Sep - Sun, 6 Sep

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

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
JetBlue
14 Aug
DCA20:55Washington, D.C. Reagan-National
30h 25m
1 stop
DUB08:20Dublin
23 Aug
DUB10:40Dublin
28h 30m
1 stop
DCA10:10Washington, D.C. Reagan-National
€555
JetBlue
3 Aug
DCA13:25Washington, D.C. Reagan-National
13h 55m
1 stop
DUB08:20Dublin
18 Aug
DUB11:30Dublin
16h 29m
1 stop
DCA22:59Washington, D.C. Reagan-National
€567
JetBlue
27 Aug
DCA20:55Washington, D.C. Reagan-National
30h 25m
1 stop
DUB08:20Dublin
4 Sept
DUB10:40Dublin
12h 16m
1 stop
DCA17:56Washington, D.C. Reagan-National
€577

Aer Lingus flights from Washington, D.C. Reagan-National Airport to Dublin

Our best Aer Lingus deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
Aer Lingus
11 Nov
DCA18:50Washington, D.C. Reagan-National
29h 20m
1 stop
DUB05:10Dublin
16 Nov
DUB13:00Dublin
11h 57m
1 stop
DCA19:57Washington, D.C. Reagan-National
€561
Aer Lingus
19 Aug
DCA20:40Washington, D.C. Reagan-National
27h 30m
1 stop
DUB05:10Dublin
23 Aug
DUB13:20Dublin
11h 37m
1 stop
DCA19:57Washington, D.C. Reagan-National
€566
Aer Lingus
19 Aug
DCA20:40Washington, D.C. Reagan-National
27h 30m
1 stop
DUB05:10Dublin
22 Dec
DUB13:00Dublin
11h 57m
1 stop
DCA19:57Washington, D.C. Reagan-National
€586

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 12 June 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

Cheapest return flight

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 14/8

20:55-08:20

1 stop30h 25m

Dublin

Sun 23/8

10:40-10:10

1 stop28h 30m

€555

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 11/11

18:50-05:10

1 stop29h 20m

Dublin

Mon 16/11

13:00-19:57

1 stop11h 57m

€561

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 19/8

20:40-05:10

1 stop27h 30m

Dublin

Sun 23/8

13:20-19:57

1 stop11h 37m

€566

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 3/8

13:25-08:20

1 stop13h 55m

Dublin

Tue 18/8

11:30-22:59

1 stop16h 29m

€567

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 19/8

11:00-08:20

2 stops16h 20m

Dublin

Mon 24/8

09:40-12:00

3 stops31h 20m

€583

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 19/8

20:40-05:10

1 stop27h 30m

Dublin

Tue 22/12

13:00-19:57

1 stop11h 57m

€586
Fastest return journey

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 3/9

11:42-05:10

1 stop12h 28m

Dublin

Sun 6/9

13:20-19:57

1 stop11h 37m

€589

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 3/9

13:25-08:20

1 stop13h 55m

Dublin

Mon 7/9

11:30-22:59

1 stop16h 29m

€605

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 3/9

09:00-08:20

1 stop18h 20m

Dublin

Sun 6/9

11:30-22:59

1 stop16h 29m

€606

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 3/9

09:00-08:20

1 stop18h 20m

Dublin

Sun 6/9

10:40-19:56

1 stop14h 16m

€611

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Washington, D.C. Reagan-National Airport during October instead. Flights to Dublin in October, while not as cheap as those in January, still average around €465.

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 €676. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €676 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

9h 21m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Dublin takes 9h 21m
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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Dublin

  • 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 9h 21m.

  • 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
Cavan
Wicklow
Dundalk
Swords
Naas
Gorey
Bray
Tullamore
Kildare
Mullingar
Maynooth
Leixlip
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Portmarnock

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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