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Cheap flights from Washington, D.C. Reagan-National Airport to Dublin from €311

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 28/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
06:00 - 09:00
DCA
-
DUB
22h 00m
1 stop
JetBlue Logo
10:40 - 17:46
DUB
-
DCA
12h 06m
1 stop
€482JetBlue
Thu, 30 Apr - Thu, 7 May
JetBlue Logo
18:40 - 08:20
DCA
-
DUB
8h 40m
1 stop
JetBlue Logo
10:40 - 16:42
DUB
-
DCA
11h 02m
1 stop
€502JetBlue
Fri, 1 May - Thu, 7 May
JetBlue Logo
18:40 - 08:20
DCA
-
DUB
8h 40m
1 stop
JetBlue Logo
10:40 - 15:42
DUB
-
DCA
10h 02m
1 stop
€504JetBlue
Fri, 1 May - Thu, 7 May
JetBlue Logo
18:40 - 08:20
DCA
-
DUB
8h 40m
1 stop
JetBlue Logo
11:40 - 22:59
DUB
-
DCA
16h 19m
1 stop
€505JetBlue
Fri, 1 May - Thu, 7 May
JetBlue Logo
18:40 - 08:20
DCA
-
DUB
8h 40m
1 stop
JetBlue Logo
10:40 - 15:42
DUB
-
DCA
10h 02m
1 stop
€508JetBlue
Fri, 1 May - Thu, 7 May
JetBlue Logo
16:59 - 08:20
DCA
-
DUB
10h 21m
1 stop
JetBlue Logo
10:40 - 15:42
DUB
-
DCA
10h 02m
1 stop
€511JetBlue
Mon, 27 Apr - Mon, 4 May
American Airlines Logo
13:45 - 06:30
DCA
-
DUB
11h 45m
1 stop
American Airlines Logo
09:30 - 19:05
DUB
-
DCA
14h 35m
1 stop
€512American Airlines
Tue, 5 May - Wed, 13 May
JetBlue Logo
06:00 - 09:00
DCA
-
DUB
22h 00m
1 stop
JetBlue Logo
11:40 - 22:59
DUB
-
DCA
16h 19m
1 stop
€513JetBlue
Thu, 30 Apr - Thu, 7 May
JetBlue Logo
16:59 - 08:20
DCA
-
DUB
10h 21m
1 stop
JetBlue Logo
10:40 - 21:00
DUB
-
DCA
15h 20m
1 stop
€515JetBlue
Wed, 29 Apr - Wed, 6 May
JetBlue Logo
18:40 - 08:20
DCA
-
DUB
8h 40m
1 stop
JetBlue Logo
11:30 - 22:59
DUB
-
DCA
16h 29m
1 stop
€518JetBlue
Mon, 20 Apr - Thu, 30 Apr

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
5 May
DCA13:45Washington, D.C. Reagan-National
11h 45m
1 stop
DUB06:30Dublin
13 May
DUB09:30Dublin
14h 35m
1 stop
DCA19:05Washington, D.C. Reagan-National
€512
American Airlines
2 May
DCA13:44Washington, D.C. Reagan-National
11h 46m
1 stop
DUB06:30Dublin
9 May
DUB09:30Dublin
18h 30m
1 stop
DCA23:00Washington, D.C. Reagan-National
€558
American Airlines
4 May
DCA13:45Washington, D.C. Reagan-National
11h 45m
1 stop
DUB06:30Dublin
11 Jun
DUB09:30Dublin
11h 59m
1 stop
DCA16:29Washington, D.C. Reagan-National
€564

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
30 Apr
DCA06:00Washington, D.C. Reagan-National
22h 00m
1 stop
DUB09:00Dublin
7 May
DUB10:40Dublin
12h 06m
1 stop
DCA17:46Washington, D.C. Reagan-National
€482
JetBlue
1 May
DCA18:40Washington, D.C. Reagan-National
8h 40m
1 stop
DUB08:20Dublin
7 May
DUB10:40Dublin
11h 02m
1 stop
DCA16:42Washington, D.C. Reagan-National
€502
JetBlue
1 May
DCA18:40Washington, D.C. Reagan-National
8h 40m
1 stop
DUB08:20Dublin
7 May
DUB10:40Dublin
10h 02m
1 stop
DCA15:42Washington, D.C. Reagan-National
€504

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 18 March 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

Thu 30/4

06:00-09:00

1 stop22h 00m

Dublin

Thu 7/5

10:40-17:46

1 stop12h 06m

€482

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 1/5

18:40-08:20

1 stop8h 40m

Dublin

Thu 7/5

10:40-16:42

1 stop11h 02m

€502
Fastest return journey

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 1/5

18:40-08:20

1 stop8h 40m

Dublin

Thu 7/5

10:40-15:42

1 stop10h 02m

€504

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 1/5

18:40-08:20

1 stop8h 40m

Dublin

Thu 7/5

11:40-22:59

1 stop16h 19m

€505

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 1/5

18:40-08:20

1 stop8h 40m

Dublin

Thu 7/5

10:40-15:42

1 stop10h 02m

€508

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 27/4

16:59-08:20

1 stop10h 21m

Dublin

Mon 4/5

10:40-15:42

1 stop10h 02m

€511

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 5/5

13:45-06:30

1 stop11h 45m

Dublin

Wed 13/5

09:30-19:05

1 stop14h 35m

€512

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 30/4

06:00-09:00

1 stop22h 00m

Dublin

Thu 7/5

11:40-22:59

1 stop16h 19m

€513

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 29/4

16:59-08:20

1 stop10h 21m

Dublin

Wed 6/5

10:40-21:00

1 stop15h 20m

€515

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 20/4

18:40-08:20

1 stop8h 40m

Dublin

Thu 30/4

11:30-22:59

1 stop16h 29m

€518

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 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 €615. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €700. 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 afternoon. Our users have found flights to Dublin in the afternoon for as low as €621. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €633 on average. Flights to Dublin from Washington, D.C. Reagan-National Airport in the evening 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

8h 40m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Dublin takes 8h 40m
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 8h 40m.

  • 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
Naas
Tullamore
Kildare
Swords
Bray
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Enniscorthy
Arklow
Castleknock
Thurles

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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