$370+ Cheap flights from Ireland to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
Mar 5 — Mar 121
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ireland to WashingtonExplore the most affordable flight options available from Ireland to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Ireland to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Fri 3/273:35 pm
SEA
- DUB
1 stop13h 40m
Icelandair
Deal found 2/3![Icelandair logo]()
$430
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Mon 3/22:35 pm
SEA
- DUB
1 stop11h 40m
Icelandair
Deal found 2/2![Icelandair logo]()
$447
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:15 pm
DUB
- SEA
1 stop11h 40m
Icelandair
Thu 4/163:40 pm
SEA
- DUB
1 stop11h 25m
Icelandair
Deal found 2/1![Icelandair logo]()
$450
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Wed 3/113:35 pm
SEA
- DUB
1 stop11h 40m
Icelandair
Deal found 2/1![Icelandair logo]()
$457
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:15 pm
DUB
- SEA
1 stop16h 25m
Icelandair
Sun 5/243:40 pm
SEA
- DUB
1 stop13h 35m
Icelandair
Deal found 2/1![Icelandair logo]()
$458
This Booking.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:15 pm
DUB
- SEA
1 stop11h 40m
Icelandair
Wed 9/911:25 pm
SEA
- DUB
1 stop27h 40m
Icelandair
Deal found 2/1![Icelandair logo]()
$461
This Finnair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:15 pm
DUB
- SEA
1 stop23h 20m
Multiple Airlines
Tue 9/291:35 pm
SEA
- DUB
1 stop12h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$464
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:15 pm
DUB
- SEA
1 stop16h 25m
Icelandair
Mon 6/811:25 pm
SEA
- DUB
1 stop27h 40m
Icelandair
Deal found 2/3![Icelandair logo]()
$465
This Finnair deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:15 pm
DUB
- SEA
1 stop23h 20m
Multiple Airlines
Fri 10/237:49 am
SEA
- DUB
1 stop17h 56m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$472
This Icelandair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Fri 2/272:35 pm
SEA
- DUB
1 stop11h 40m
Icelandair
Deal found 2/2![Icelandair logo]()
$474
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:25 pm
ORK
- SEA
1 stop30h 15m
KLM
Sun 2/223:05 pm
SEA
- ORK
1 stop35h 40m
KLM
Deal found 2/2![KLM logo]()
$575
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:50 am
ORK
- SEA
1 stop13h 40m
Delta
Thu 4/161:45 pm
SEA
- ORK
1 stop12h 35m
Delta
Deal found 2/3![Delta logo]()
$596
Best flights from Ireland to WashingtonDiscover carefully curated flight deals from Ireland to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Ireland to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:15 pm
DUB
- SEA
1 stop16h 25m
Icelandair
Mon 6/811:25 pm
SEA
- DUB
1 stop27h 40m
Icelandair
Deal found 2/1![Icelandair logo]()
$467
This Finnair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:30 am
DUB
- SEA
1 stop18h 06m
Finnair
Thu 4/167:00 am
SEA
- DUB
1 stop18h 45m
Finnair
Deal found 2/2![Finnair logo]()
$483
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:55 am
DUB
- SEA
1 stop13h 40m
Delta
Sun 3/83:10 pm
SEA
- DUB
1 stop17h 35m
Delta
Deal found 2/1![Delta logo]()
$567
This KLM deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:55 am
DUB
- SEA
1 stop13h 45m
KLM
Sun 3/88:25 am
SEA
- DUB
1 stop16h 20m
KLM
Deal found 2/3![KLM logo]()
$569
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:25 pm
DUB
- SEA
1 stop30h 15m
Multiple Airlines
Mon 3/22:10 pm
SEA
- DUB
1 stop17h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$572
This British Airways deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:05 pm
SNN
- SEA
2 stops34h 59m
British Airways
Tue 2/176:44 am
SEA
- SNN
2 stops28h 41m
British Airways
Deal found 2/1![British Airways logo]()
$669
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:30 am
DUB
- PDX
2 stops19h 57m
American Airlines
Sun 3/86:45 pm
PDX
- DUB
1 stop32h 05m
American Airlines
Deal found 2/1![American Airlines logo]()
$770
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:30 pm
SNN
- PDX
1 stop16h 36m
United Airlines
Tue 5/55:30 am
PDX
- SNN
2 stops20h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$925
This Icelandair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Tue 3/32:35 pm
SEA
- DUB
1 stop11h 40m
Icelandair
Deal found 2/2![Icelandair logo]()
$474
This Scandinavian Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:50 pm
DUB
- GEG
3 stops29h 18m
Scandinavian Airlines
Tue 8/1110:50 am
GEG
- DUB
2 stops23h 30m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$964
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:50 am
SNN
- PDX
3 stops33h 25m
Air Canada
Sun 2/223:15 pm
PDX
- SNN
2 stops17h 30m
Air Canada
Deal found 2/1![Air Canada logo]()
$1,073
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:55 am
DUB
- SEA
1 stop13h 45m
Delta
Sun 3/16:15 am
SEA
- DUB
1 stop17h 30m
Delta
Deal found 2/1![Delta logo]()
$570
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:25 pm
ORK
- SEA
1 stop30h 15m
KLM
Sun 2/223:05 pm
SEA
- ORK
1 stop35h 40m
KLM
Deal found 2/2![KLM logo]()
$575
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 am
DUB
- SEA
1 stop13h 40m
Delta
Wed 3/257:20 am
SEA
- DUB
1 stop19h 00m
Delta
Deal found 1/31![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:55 am
DUB
- SEA
1 stop13h 45m
Delta
Sun 3/16:10 am
SEA
- DUB
2 stops22h 30m
Delta
Deal found 2/2![Delta logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:30 pm
DUB
- PDX
1 stop14h 11m
Multiple Airlines
Sun 3/83:52 pm
PDX
- DUB
1 stop14h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:55 am
DUB
- SEA
1 stop13h 45m
Delta
Mon 3/26:10 am
SEA
- DUB
2 stops22h 30m
Delta
Deal found 2/2![Delta logo]()
$571
This Priceline deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:30 am
DUB
- PDX
1 stop22h 17m
Finnair
Wed 9/168:01 am
PDX
- DUB
1 stop17h 44m
Finnair
Deal found 2/3![Finnair logo]()
$781
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:55 am
DUB
- SEA
1 stop13h 45m
Delta
Tue 3/38:00 am
SEA
- DUB
2 stops20h 40m
Delta
Deal found 2/2![Delta logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:40 am
DUB
- PDX
2 stops20h 23m
Multiple Airlines
Wed 9/1612:31 pm
PDX
- DUB
1 stop17h 59m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$777
This Booking.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:15 pm
DUB
- PDX
1 stop13h 40m
Icelandair
Wed 6/247:05 pm
PDX
- DUB
1 stop32h 00m
Icelandair
Deal found 2/2![Icelandair logo]()
$828
This British Airways deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:05 pm
SNN
- PDX
2 stops36h 12m
British Airways
Sun 2/2211:48 am
PDX
- SNN
2 stops20h 57m
British Airways
Deal found 2/1![British Airways logo]()
$942
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:15 am
ORK
- SEA
1 stop13h 27m
Delta
Mon 6/11:50 pm
SEA
- ORK
1 stop12h 30m
Delta
Deal found 2/1![Delta logo]()
$596
This Finnair deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:00 am
DUB
- PDX
1 stop18h 40m
Multiple Airlines
Wed 6/246:39 am
PDX
- DUB
1 stop19h 06m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:15 am
ORK
- SEA
1 stop13h 30m
Delta
Thu 4/161:45 pm
SEA
- ORK
1 stop12h 35m
Delta
Deal found 2/1![Delta logo]()
$596
This KLM deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:55 am
DUB
- GEG
2 stops16h 54m
KLM
Tue 5/196:50 am
GEG
- DUB
1 stop17h 05m
KLM
Deal found 2/3![KLM logo]()
$965
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:50 am
SNN
- SEA
1 stop16h 45m
Multiple Airlines
Thu 3/267:25 pm
SEA
- SNN
1 stop14h 20m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$827
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:30 am
SNN
- PDX
2 stops19h 45m
United Airlines
Sat 8/155:30 am
PDX
- SNN
2 stops18h 00m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,163
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/137:50 am
SNN
- SEA
1 stop14h 55m
Multiple Airlines
Tue 2/171:38 pm
SEA
- SNN
2 stops19h 07m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$889
This lol.travel deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:05 pm
SNN
- GEG
2 stops31h 44m
British Airways
Mon 2/233:16 pm
GEG
- SNN
2 stops17h 29m
British Airways
Deal found 2/3![British Airways logo]()
$1,338
Last-minute flights from Ireland to WashingtonDiscover last-minute flight deals from Ireland to Washington. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to Washington. Data last updated February 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:30 am
DUB
- SEA
1 stop18h 37m
American Airlines
Sun 2/1510:57 pm
SEA
- DUB
1 stop25h 43m
American Airlines
Deal found 2/2![American Airlines logo]()
$513
This British Airways deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:05 pm
SNN
- SEA
2 stops34h 59m
British Airways
Tue 2/176:44 am
SEA
- SNN
2 stops28h 41m
British Airways
Deal found 2/1![British Airways logo]()
$669
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:25 pm
ORK
- SEA
1 stop30h 15m
KLM
Sun 2/223:05 pm
SEA
- ORK
1 stop35h 40m
KLM
Deal found 2/2![KLM logo]()
$575
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Mon 3/22:35 pm
SEA
- DUB
1 stop11h 40m
Icelandair
Deal found 2/2![Icelandair logo]()
$447
This Icelandair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Fri 2/272:35 pm
SEA
- DUB
1 stop11h 40m
Icelandair
Deal found 2/2![Icelandair logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:30 pm
DUB
- SEA
Nonstop9h 50m
Aer Lingus
Sun 3/18:05 pm
SEA
- DUB
Nonstop9h 05m
Aer Lingus
Deal found 2/2![Aer Lingus logo]()
$504
This lastminute.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:30 pm
DUB
- SEA
Nonstop9h 50m
Aer Lingus
Sun 3/89:05 pm
SEA
- DUB
Nonstop9h 05m
Aer Lingus
Deal found 2/3![Aer Lingus logo]()
$503
This TravelUp deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:30 am
DUB
- SEA
1 stop18h 27m
Multiple Airlines
Sun 3/87:50 pm
SEA
- DUB
1 stop14h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$505
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Wed 3/113:35 pm
SEA
- DUB
1 stop11h 40m
Icelandair
Deal found 2/1![Icelandair logo]()
$457
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:30 pm
DUB
- SEA
Nonstop9h 50m
Aer Lingus
Sun 3/89:05 pm
SEA
- DUB
Nonstop9h 05m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$509
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:30 am
DUB
- SEA
1 stop13h 30m
Icelandair
Fri 3/273:35 pm
SEA
- DUB
1 stop13h 40m
Icelandair
Deal found 2/3![Icelandair logo]()
$430
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:40 am
DUB
- SEA
2 stops18h 20m
Multiple Airlines
Thu 3/263:35 pm
SEA
- DUB
2 stops24h 25m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$491
One-way flights from Ireland to WashingtonSearch for one-way flight options from Ireland to Washington. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Ireland to Washington. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:45 am
DUB
- SEA
3 stops59h 55m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:40 am
DUB
- SEA
2 stops41h 43m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$375
This WestJet deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:40 am
DUB
- SEA
2 stops32h 00m
WestJet
Deal found 2/1![WestJet logo]()
$377
This deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:15 pm
DUB
- PDX
1 stop13h 45m
Icelandair
Deal found 2/2![Icelandair logo]()
$405
This KAYAK deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:40 am
DUB
- PDX
2 stops59h 10m
WestJet
Deal found 1/31![WestJet logo]()
$417
This WestJet deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:15 pm
DUB
- SEA
2 stops38h 30m
WestJet
Deal found 2/3![WestJet logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:00 am
DUB
- PDX
3 stops43h 34m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:15 pm
DUB
- PDX
2 stops17h 19m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:30 am
DUB
- SEA
1 stop15h 55m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:15 pm
DUB
- SEA
3 stops47h 50m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:40 am
DUB
- PDX
3 stops45h 13m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$435
This KAYAK deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:40 am
DUB
- PDX
2 stops35h 10m
WestJet
Deal found 2/1![WestJet logo]()
$453
Find flight deals from Ireland to Washington
Keep the following information in mind while searching for Ireland to Washington flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $447 (Mytrip) |
One-way from | $370 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $619 |
Good round-trip deal | $640 or less |
Good one-way deal | $592 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Ireland to Washington that are best for you.
Fly from
Ireland
Fly to
Washington
Route
Depart
Return
Price
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Fri 5/15
12:15 pm-8:40 pm
1 stop16h 25m
Seattle/Tacoma Intl
Mon 6/8
11:25 pm-11:05 am
1 stop27h 40m
$467
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 2/16
11:30 am-5:00 pm
1 stop13h 30m
Seattle/Tacoma Intl
Tue 3/3
2:35 pm-10:15 am
1 stop11h 40m
$474
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Thu 4/9
9:30 am-7:36 pm
1 stop18h 06m
Seattle/Tacoma Intl
Thu 4/16
7:00 am-9:45 am
1 stop18h 45m
$483
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sun 3/1
5:55 am-11:35 am
1 stop13h 40m
Seattle/Tacoma Intl
Sun 3/8
3:10 pm-3:45 pm
1 stop17h 35m
$567
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 2/23
5:55 am-11:40 am
1 stop13h 45m
Seattle/Tacoma Intl
Sun 3/8
8:25 am-7:45 am
1 stop16h 20m
$569
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 2/16
5:55 am-11:40 am
1 stop13h 45m
Seattle/Tacoma Intl
Sun 3/1
6:15 am-7:45 am
1 stop17h 30m
$570
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Wed 3/18
5:55 am-12:35 pm
1 stop13h 40m
Seattle/Tacoma Intl
Wed 3/25
7:20 am-9:20 am
1 stop19h 00m
$570
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Tue 2/17
5:55 am-11:40 am
1 stop13h 45m
Seattle/Tacoma Intl
Sun 3/1
6:10 am-12:40 pm
2 stops22h 30m
$571
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Wed 2/18
5:55 am-11:40 am
1 stop13h 45m
Seattle/Tacoma Intl
Mon 3/2
6:10 am-12:40 pm
2 stops22h 30m
$571
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Thu 2/19
5:55 am-11:40 am
1 stop13h 45m
Seattle/Tacoma Intl
Tue 3/3
8:00 am-12:40 pm
2 stops20h 40m
$571
Showing 1-10 of 60 results
Best time to book a flight from Ireland to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Ireland with our price prediction graph.
DUB-SEA
ORK-SEA
SNN-SEA
DUB-PDX
SNN-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Washington
IE0-USWA
DUB-SEA
ORK-SEA
SNN-SEA
DUB-PDX
What is the cheapest month to book a flight from Ireland to State of Washington?
Currently, February is the cheapest month in which you can book a flight from Ireland to State of Washington (average of $469). Flying from Ireland to State of Washington in July is currently the most expensive (average of $790). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 3, 2026.
See what other customers who have flown with Aer Lingus from Ireland to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.4
Entertainment
6.9
Overall
7.2
Comfort
7.1
Food
6.6
Crew
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
DUB - EDI
Boarding
7.4
Entertainment
6.9
Overall
7.2
Comfort
7.1
Food
6.6
Crew
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
DUB - EDI
Related info for your journey
Find useful and relevant information for your journey from Ireland to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ireland to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Ireland to Washington
Discover the top airline that operate flights from Ireland to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$523 | Average$715 | FlexibilityNo cancel fee | On-timeN/A |