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Find cheap flights from Washington to Ireland from €309

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington to Ireland departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 11/5
Sat 18/5

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In the last 7 days, travellers have searched 46,099,007 times on KAYAK, and here's why:

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Good to know

Low season

January

High season

September

Cheapest flight

€309
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.
Flight from Seattle to Dublin

FAQs for booking flights from Washington to Ireland

  • How does KAYAK find such low prices on flights from Washington to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ireland from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Ireland with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ireland from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington to Ireland

Recent return flight deals

23/9Mon
1 stopIcelandair
11h 15mSEA-DUB
3/10Thu
1 stopIcelandair
13h 40mDUB-SEA
€463
25/9Wed
1 stopIcelandair
32h 10mSEA-DUB
16/10Wed
1 stopIcelandair
13h 40mDUB-SEA
€464
17/9Tue
2 stopsAir Canada
18h 40mSEA-DUB
27/9Fri
1 stopAir Canada
19h 00mDUB-SEA
€499
23/9Mon
2 stops
38h 15mSEA-DUB
3/10Thu
1 stop
32h 46mDUB-SEA
€503
18/9Wed
1 stopAir Canada
12h 40mSEA-DUB
26/9Thu
1 stopAir Canada
12h 15mDUB-SEA
€503
18/9Wed
2 stops
17h 15mSEA-DUB
27/9Fri
1 stop
19h 00mDUB-SEA
€508
15/9Sun
1 stopBritish Airways
13h 25mSEA-DUB
1/10Tue
1 stopBritish Airways
16h 33mDUB-SEA
€510
24/4Wed
2 stopsUnited Airlines
18h 05mSEA-DUB
30/4Tue
2 stopsUnited Airlines
17h 10mDUB-SEA
€511
11/9Wed
1 stopBritish Airways
13h 55mSEA-DUB
23/9Mon
1 stopBritish Airways
23h 05mDUB-SEA
€514
14/9Sat
1 stopUnited Airlines
25h 05mSEA-DUB
25/9Wed
1 stopUnited Airlines
17h 22mDUB-SEA
€522

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Recent one-way flight deals

3/9Tue
1 stopIcelandair
10h 55mSEA-DUB
€309
17/9Tue
1 stopIcelandair
11h 15mSEA-DUB
€310
10/5Fri
2 stops
27h 15mSEA-DUB
€331
20/7Sat
2 stops
28h 57mSEA-DUB
€354
17/6Mon
1 stopWestJet
19h 55mSEA-DUB
€390
20/7Sat
3 stopsWestJet
29h 40mSEA-DUB
€397
21/5Tue
1 stopAmerican Airlines
21h 50mSEA-DUB
€460
17/9Tue
3 stopsUnited Airlines
19h 35mSEA-DUB
€463
11/9Wed
2 stopsUnited Airlines
15h 22mSEA-SNN
€463
29/5Wed
2 stopsAmerican Airlines
16h 13mSEA-DUB
€466

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Last minute flights from Washington to Ireland

Last minute flight, train and bus deals

15/4Mon
multi-stopTurkish Airlines
37h 15mSEA-DUB
23/5Thu
multi-stopTurkish Airlines
31h 50mDUB-SEA
€658
15/4Mon
multi-stopIcelandair
11h 15mSEA-DUB
22/4Mon
multi-stopIcelandair
13h 25mDUB-SEA
€704
15/4Mon
multi-stopAir Canada
14h 40mSEA-DUB
23/5Thu
multi-stopAir Canada
19h 26mDUB-SEA
€772
15/4Mon
multi-stopLufthansa
32h 55mSEA-DUB
22/4Mon
multi-stopLufthansa
37h 00mDUB-SEA
€775
15/4Mon
multi-stop
17h 15mSEA-DUB
23/5Thu
multi-stop
19h 26mDUB-SEA
€777
15/4Mon
directAer Lingus
9h 00mSEA-DUB
22/4Mon
directAer Lingus
9h 41mDUB-SEA
€778
15/4Mon
multi-stop
15h 31mSEA-DUB
22/4Mon
multi-stop
35h 20mDUB-SEA
€783
15/4Mon
multi-stopKLM
14h 30mSEA-ORK
22/4Mon
multi-stopKLM
25h 05mORK-SEA
€786
15/4Mon
multi-stopAir Canada
25h 55mSEA-ORK
22/4Mon
multi-stopAir Canada
22h 32mORK-SEA
€1,015
15/4Mon
directAer Lingus
9h 00mSEA-DUB
23/5Thu
directAer Lingus
9h 41mDUB-SEA
€1,171

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Flights to Ireland

Return flight deals:

Ireland - Washington

Cabin classes:

€455