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Find cheap flights from Washington to Ireland from $345

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 11/5. 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
Tue 7/2
Tue 7/9

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In the last 7 days travelers have searched 41,909,192 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$345
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 34% increase in price.
Flight from Portland 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 round-trip 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 round-trip flight deals

11/5Tue
2 stopsUnited Airlines
17h 45mPDX-DUB
11/19Tue
2 stopsUnited Airlines
41h 05mDUB-PDX
$387
11/12Tue
2 stopsAir Canada
17h 35mPDX-DUB
11/27Wed
2 stopsAir Canada
21h 46mDUB-PDX
$396
11/12Tue
2 stops
18h 00mPDX-DUB
11/27Wed
2 stops
21h 46mDUB-PDX
$401
11/12Tue
1 stop
25h 05mPDX-DUB
11/27Wed
2 stops
33h 01mDUB-PDX
$405
11/5Tue
1 stopBritish Airways
12h 40mPDX-DUB
11/19Tue
1 stopBritish Airways
13h 40mDUB-PDX
$406
10/28Mon
2 stopsBritish Airways
17h 55mPDX-DUB
11/5Tue
1 stopBritish Airways
17h 20mDUB-PDX
$411
11/1Fri
1 stopAmerican Airlines
12h 25mPDX-DUB
11/11Mon
2 stopsAmerican Airlines
21h 00mDUB-PDX
$445
11/3Sun
1 stopAmerican Airlines
14h 25mPDX-DUB
11/19Tue
2 stopsAmerican Airlines
20h 47mDUB-PDX
$447
11/5Tue
2 stopsDelta
17h 45mPDX-DUB
11/20Wed
1 stopDelta
17h 44mDUB-PDX
$453
11/2Sat
1 stopDelta
28h 15mPDX-DUB
11/20Wed
1 stopDelta
17h 44mDUB-PDX
$454

Search by stops

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Recent one-way flight deals

11/5Tue
3 stops
31h 27mPDX-DUB
$345
7/28Sun
3 stops
33h 19mSEA-ORK
$354
6/17Mon
1 stopWestJet
19h 55mSEA-DUB
$391
6/18Tue
1 stopWestJet
19h 55mSEA-DUB
$399
11/12Tue
1 stopBritish Airways
17h 45mPDX-DUB
$399
11/12Tue
2 stopsBritish Airways
16h 35mPDX-DUB
$403
10/6Sun
2 stopsUnited Airlines
26h 21mPDX-DUB
$420
10/6Sun
1 stopAmerican Airlines
25h 46mPDX-DUB
$423
11/6Wed
3 stopsUnited Airlines
33h 26mPDX-DUB
$426
7/3Wed
1 stopAmerican Airlines
15h 55mSEA-DUB
$450

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Last minute flights from Washington to Ireland

Last minute flight, train and bus deals

6/4Tue
multi-stop
19h 55mSEA-DUB
6/13Thu
multi-stop
29h 07mDUB-SEA
$717
6/4Tue
multi-stop
19h 55mSEA-DUB
6/19Wed
multi-stop
42h 35mDUB-SEA
$723
6/4Tue
multi-stopIcelandair
11h 15mSEA-DUB
6/19Wed
multi-stopIcelandair
28h 30mDUB-SEA
$871
6/7Fri
multi-stopIcelandair
28h 05mSEA-DUB
6/16Sun
multi-stopIcelandair
31h 05mDUB-SEA
$890
6/7Fri
multi-stopAmerican Airlines
22h 20mSEA-DUB
6/16Sun
multi-stopAmerican Airlines
18h 18mDUB-SEA
$896
6/5Wed
multi-stopWestJet
19h 00mSEA-DUB
6/29Sat
multi-stopWestJet
37h 16mDUB-SEA
$925
6/6Thu
multi-stopWestJet
19h 55mSEA-DUB
6/22Sat
multi-stopWestJet
35h 21mDUB-SEA
$955
6/4Tue
multi-stopSWISS
21h 17mPDX-DUB
6/10Mon
multi-stopSWISS
31h 30mDUB-PDX
$957
6/7Fri
multi-stopAmerican Airlines
21h 45mSEA-SNN
6/21Fri
multi-stopAmerican Airlines
35h 16mSNN-SEA
$1,130
6/6Thu
multi-stopSWISS
16h 40mSEA-DUB
6/10Mon
multi-stopSWISS
31h 42mDUB-SEA
$1,460

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Flights to Ireland

Return flight deals:

Ireland - Washington

Cabin classes:

$4,386
$8,348
$470