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Cheap flights from Ireland to Washington, D.C. from €318

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 5/9. 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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Find the cheapest flights from Ireland to Washington, D.C.

Recent return flight deals from Ireland to Washington, D.C.

Delta Logo
13:25 - 23:52DUB-DCA
15h 27m2 stops
Delta Logo
10:00 - 07:45DCA-DUB
16h 45m2 stops
€449Delta
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Fri, 7 Nov - Sun, 16 Nov
Delta Logo
13:20 - 22:15DUB-DCA
13h 55m2 stops
Delta Logo
13:55 - 08:15DCA-DUB
13h 20m2 stops
€450Delta
Find Deal
Tue, 2 Sep - Tue, 9 Sep
British Airways Logo
10:50 - 23:07DUB-DCA
17h 17m2 stops
British Airways Logo
13:30 - 09:50DCA-DUB
15h 20m2 stops
€455British Airways
Find Deal
Wed, 17 Sep - Tue, 23 Sep
KLM Logo
10:45 - 18:05DUB-DCA
12h 20m1 stop
KLM Logo
17:00 - 08:45DCA-DUB
10h 45m1 stop
€458KLM
Find Deal
Fri, 7 Nov - Thu, 13 Nov
British Airways Logo
11:00 - 23:26DUB-DCA
17h 26m2 stops
British Airways Logo
13:30 - 09:50DCA-DUB
15h 20m2 stops
€458British Airways
Find Deal
Thu, 18 Sep - Tue, 23 Sep
Logo
15:00 - 22:15DUB-DCA
12h 15m1 stop
Logo
18:59 - 10:45DCA-DUB
10h 46m1 stop
€462
Find Deal
Tue, 2 Sep - Sun, 7 Sep
KLM Logo
09:45 - 18:00DUB-DCA
13h 15m1 stop
KLM Logo
15:30 - 09:20DCA-DUB
12h 50m1 stop
€464KLM
Find Deal
Tue, 11 Nov - Sun, 16 Nov
American Airlines Logo
11:30 - 16:49DUB-DCA
10h 19m1 stop
American Airlines Logo
11:50 - 08:40DCA-DUB
15h 50m1 stop
€465American Airlines
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Fri, 5 Dec - Mon, 8 Dec
American Airlines Logo
11:30 - 19:55DUB-DCA
13h 25m1 stop
American Airlines Logo
16:45 - 08:40DCA-DUB
10h 55m1 stop
€467American Airlines
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Fri, 5 Dec - Mon, 8 Dec
Logo
11:00 - 19:35DUB-DCA
13h 35m1 stop
Logo
18:20 - 08:45DCA-DUB
33h 25m1 stop
€484
Find Deal
Tue, 2 Sep - Sat, 6 Sep

KLM flights from Ireland to Washington, D.C. Reagan-National Airport

Our best KLM deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
KLM
7 Nov
DUB10:45Dublin
12h 20m
1 stop
DCA18:05Washington, D.C. Reagan-National
13 Nov
DCA17:00Washington, D.C. Reagan-National
10h 45m
1 stop
DUB08:45Dublin
€458
Find similar
KLM
11 Nov
DUB09:45Dublin
13h 15m
1 stop
DCA18:00Washington, D.C. Reagan-National
16 Nov
DCA15:30Washington, D.C. Reagan-National
12h 50m
1 stop
DUB09:20Dublin
€464
Find similar
KLM
6 Nov
DUB10:45Dublin
12h 20m
1 stop
DCA18:05Washington, D.C. Reagan-National
11 Nov
DCA17:00Washington, D.C. Reagan-National
10h 45m
1 stop
DUB08:45Dublin
€466
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United Airlines flights from Ireland to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
14 Sept
SNN09:30Shannon
14h 33m
1 stop
DCA19:03Washington, D.C. Reagan-National
20 Sept
DCA14:00Washington, D.C. Reagan-National
12h 30m
1 stop
SNN07:30Shannon
€628
Find similar
United Airlines
13 Aug
DUB09:50Dublin
17h 37m
1 stop
DCA22:27Washington, D.C. Reagan-National
18 Aug
DCA16:30Washington, D.C. Reagan-National
10h 15m
1 stop
DUB07:45Dublin
€776
Find similar
United Airlines
20 Aug
DUB09:50Dublin
13h 12m
1 stop
DCA18:02Washington, D.C. Reagan-National
21 Aug
DCA17:59Washington, D.C. Reagan-National
32h 46m
2 stops
DUB07:45Dublin
€1,012
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momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Washington, D.C. Reagan-National Airport 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 6 August 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

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 7/11

13:25-23:52

2 stops15h 27m

Washington, D.C. Reagan-National

Sun 16/11

10:00-07:45

2 stops16h 45m

€449

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 2/9

13:20-22:15

2 stops13h 55m

Washington, D.C. Reagan-National

Tue 9/9

13:55-08:15

2 stops13h 20m

€450

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 17/9

10:50-23:07

2 stops17h 17m

Washington, D.C. Reagan-National

Tue 23/9

13:30-09:50

2 stops15h 20m

€455

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 7/11

10:45-18:05

1 stop12h 20m

Washington, D.C. Reagan-National

Thu 13/11

17:00-08:45

1 stop10h 45m

€458

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 18/9

11:00-23:26

2 stops17h 26m

Washington, D.C. Reagan-National

Tue 23/9

13:30-09:50

2 stops15h 20m

€458

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 2/9

15:00-22:15

1 stop12h 15m

Washington, D.C. Reagan-National

Sun 7/9

18:59-10:45

1 stop10h 46m

€462

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 11/11

09:45-18:00

1 stop13h 15m

Washington, D.C. Reagan-National

Sun 16/11

15:30-09:20

1 stop12h 50m

€464

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 5/12

11:30-16:49

1 stop10h 19m

Washington, D.C. Reagan-National

Mon 8/12

11:50-08:40

1 stop15h 50m

€465

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 5/12

11:30-19:55

1 stop13h 25m

Washington, D.C. Reagan-National

Mon 8/12

16:45-08:40

1 stop10h 55m

€467

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 2/9

11:00-19:35

1 stop13h 35m

Washington, D.C. Reagan-National

Sat 6/9

18:20-08:45

1 stop33h 25m

€484

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 Washington, D.C. from

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

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 Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Ireland to Washington, D.C. Reagan-National Airport is on a Wednesday. Travellers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as €374. Flights from Ireland to Washington, D.C. Reagan-National Airport on a Thursday will generally be more expensive and average around €615. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Ireland to Washington, D.C. Reagan-National Airport flight deals and tips

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

Best price found

€318

Fastest flight time

9h 40m

Direct flights

None
The best one-way flight to Washington, D.C. Reagan-National Airport from Ireland in the past 72 hours is €318. The best return flight deal from Ireland to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is €449.
The fastest flight from Ireland to Washington, D.C. Reagan-National Airport takes 9h 40m
There are no direct flights from Ireland to Washington, D.C. Reagan-National Airport. Popular non-direct route for this connection is Dublin Airport - Washington, D.C. Reagan-National Airport.
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  • When did momondo last update prices for flights from Ireland to Washington, D.C. Reagan-National Airport?

    Prices for flights from Ireland to Washington, D.C. Reagan-National Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

Why use momondo?

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

It is quick and easy to find Ireland to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. momondo allows you to filter the results for Ireland to Washington, D.C. flights to just show those with flexible booking policies.

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

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 Ireland to Washington, D.C..

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

Of course. momondo tracks the price of Ireland to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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