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Cheap flights from Ireland to Washington, D.C. from €332

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 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Ireland to Washington, D.C.

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

Enter your travel dates to find the best prices.
Delta Logo
13:25 - 22:59
DUB
-
DCA
14h 34m
2 stops
Delta Logo
14:45 - 10:00
DCA
-
DUB
14h 15m
2 stops
€532Delta
Wed, 2 Sep - Fri, 18 Sep
Delta Logo
09:45 - 18:14
DUB
-
DCA
12h 29m
1 stop
Delta Logo
13:45 - 07:45
DCA
-
DUB
13h 00m
1 stop
€534Delta
Wed, 28 Oct - Sun, 1 Nov
Delta Logo
10:45 - 23:04
DUB
-
DCA
16h 19m
1 stop
Delta Logo
11:55 - 09:45
DCA
-
DUB
16h 50m
1 stop
€535Delta
Wed, 28 Oct - Sun, 1 Nov
Multiple Airlines Logo
15:00 - 22:03
DUB
-
DCA
12h 03m
1 stop
Multiple Airlines Logo
17:00 - 10:00
DCA
-
DUB
12h 00m
1 stop
€537Multiple Airlines
Thu, 1 Oct - Thu, 15 Oct
Delta Logo
13:25 - 22:59
DUB
-
DCA
14h 34m
2 stops
Delta Logo
12:55 - 10:45
DCA
-
DUB
16h 50m
1 stop
€538Delta
Tue, 25 Aug - Tue, 22 Sep
United Airlines Logo
09:50 - 15:38
DUB
-
DCA
10h 48m
1 stop
United Airlines Logo
20:20 - 11:10
DCA
-
DUB
9h 50m
1 stop
€539United Airlines
Tue, 25 Aug - Tue, 22 Sep
KLM Logo
11:55 - 23:30
DUB
-
DCA
16h 35m
1 stop
KLM Logo
17:00 - 08:45
DCA
-
DUB
10h 45m
1 stop
€541KLM
Wed, 23 Dec - Mon, 28 Dec
Finnair Logo
09:30 - 23:59
DUB
-
DCA
19h 29m
1 stop
Finnair Logo
17:22 - 11:50
DCA
-
DUB
13h 28m
1 stop
€542Finnair
Thu, 9 Jul - Thu, 16 Jul
United Airlines Logo
09:30 - 19:09
SNN
-
DCA
14h 39m
1 stop
United Airlines Logo
14:00 - 07:30
DCA
-
SNN
12h 30m
1 stop
€804United Airlines
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
16:50 - 21:59
SNN
-
DCA
34h 09m
3 stops
Multiple Airlines Logo
13:01 - 16:40
DCA
-
SNN
22h 39m
3 stops
€1,780Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug

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

Our best British Airways deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
British Airways
4 Jul
DUB11:45Dublin
26h 48m
1 stop
DCA09:33Washington, D.C. Reagan-National
13 Jul
DCA13:39Washington, D.C. Reagan-National
14h 56m
1 stop
DUB09:35Dublin
€536
British Airways
4 Jul
DUB13:45Dublin
31h 59m
1 stop
DCA16:44Washington, D.C. Reagan-National
12 Jul
DCA17:24Washington, D.C. Reagan-National
32h 06m
1 stop
DUB06:30Dublin
€539
British Airways
4 Jul
DUB11:45Dublin
26h 48m
1 stop
DCA09:33Washington, D.C. Reagan-National
10 Jul
DCA22:10Washington, D.C. Reagan-National
32h 40m
1 stop
DUB11:50Dublin
€547

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
25 Aug
DUB09:50Dublin
10h 48m
1 stop
DCA15:38Washington, D.C. Reagan-National
22 Sept
DCA20:20Washington, D.C. Reagan-National
9h 50m
1 stop
DUB11:10Dublin
€539
United Airlines
20 Dec
DUB09:30Dublin
11h 23m
1 stop
DCA15:53Washington, D.C. Reagan-National
27 Dec
DCA09:40Washington, D.C. Reagan-National
16h 30m
1 stop
DUB07:10Dublin
€550
United Airlines
20 Dec
DUB09:30Dublin
9h 48m
1 stop
DCA14:18Washington, D.C. Reagan-National
30 Dec
DCA17:00Washington, D.C. Reagan-National
9h 30m
1 stop
DUB07:30Dublin
€553

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 29 June 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/9

13:25-22:59

2 stops14h 34m

Washington, D.C. Reagan-National

Fri 18/9

14:45-10:00

2 stops14h 15m

€532

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

09:45-18:14

1 stop12h 29m

Washington, D.C. Reagan-National

Sun 1/11

13:45-07:45

1 stop13h 00m

€534

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

10:45-23:04

1 stop16h 19m

Washington, D.C. Reagan-National

Sun 1/11

11:55-09:45

1 stop16h 50m

€535

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 1/10

15:00-22:03

1 stop12h 03m

Washington, D.C. Reagan-National

Thu 15/10

17:00-10:00

1 stop12h 00m

€537

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 25/8

13:25-22:59

2 stops14h 34m

Washington, D.C. Reagan-National

Tue 22/9

12:55-10:45

1 stop16h 50m

€538
Fastest return journey

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 25/8

09:50-15:38

1 stop10h 48m

Washington, D.C. Reagan-National

Tue 22/9

20:20-11:10

1 stop9h 50m

€539

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 23/12

11:55-23:30

1 stop16h 35m

Washington, D.C. Reagan-National

Mon 28/12

17:00-08:45

1 stop10h 45m

€541

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 9/7

09:30-23:59

1 stop19h 29m

Washington, D.C. Reagan-National

Thu 16/7

17:22-11:50

1 stop13h 28m

€542

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Mon 17/8

09:30-19:09

1 stop14h 39m

Washington, D.C. Reagan-National

Mon 24/8

14:00-07:30

1 stop12h 30m

€804

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Mon 17/8

16:50-21:59

3 stops34h 09m

Washington, D.C. Reagan-National

Mon 24/8

13:01-16:40

3 stops22h 39m

€1,780

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

Can stopping save me money on Ireland to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 33% on your flight if you consider stops on a Ireland to Washington, D.C. Reagan-National Airport flight.

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

Fastest flight time

11h 23m

Direct flights

None
The fastest flight from Ireland to Washington, D.C. Reagan-National Airport takes 11h 23m
There are no direct flights from Ireland to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Ireland to Washington, D.C. Reagan-National Airport.
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Frequently asked questions about flying from Ireland to Washington, D.C. Reagan-National Airport

  • 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
Landover
Alexandria

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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