$245+ Cheap flights from Seattle (SEA) to Ireland
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Ireland with Cheapflights
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Cheapest flights from Seattle to IrelandExplore the most affordable flight options available from Seattle to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Seattle to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Delta deal was found by Cheapflights users on 9/11. 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 10/256:00 am -
2 stops25h 45m
Tue 11/1011:15 am -
1 stop32h 32m
Deal found 9/11![Delta logo]()
$582
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/1110:48 pm -
1 stop28h 22m
Sun 10/189:50 am -
1 stop32h 15m
Deal found 9/11![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2611:14 pm -
2 stops27h 01m
Tue 10/612:30 pm -
1 stop17h 25m
Deal found 9/11![United Airlines logo]()
$624
This deal was found by Cheapflights users on 9/11. 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.
Fri 10/1610:50 am -
1 stop12h 55m
Sat 10/249:50 am -
1 stop12h 32m
Deal found 9/11![Air Canada logo]()
$676
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/38:30 am -
2 stops18h 40m
Sat 10/109:50 am -
1 stop12h 32m
Deal found 9/11![United Airlines logo]()
$681
This Mytrip deal was found by Cheapflights users on 9/11. 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 12/32:35 pm -
2 stops19h 45m
Sun 12/67:05 pm -
3 stops29h 55m
Deal found 9/11![Multiple Airlines logo]()
$683
This Booking.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/117:10 pm -
Nonstop9h 05m
Sun 10/183:25 pm -
Nonstop9h 45m
Deal found 9/11![Aer Lingus logo]()
$691
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Sat 10/35:50 am -
2 stops18h 25m
Sat 10/109:50 am -
2 stops16h 54m
Deal found 9/11![Multiple Airlines logo]()
$695
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Mon 9/217:10 pm -
Nonstop9h 05m
Tue 9/2911:35 am -
1 stop18h 01m
Deal found 9/11![Aer Lingus logo]()
$698
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Sun 11/227:45 am -
1 stop15h 25m
Sun 11/2911:45 am -
1 stop32h 15m
Deal found 9/10![Multiple Airlines logo]()
$703
This Aer Lingus deal was found by Cheapflights users on 9/11. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:10 pm -
Nonstop9h 05m
Wed 10/1412:35 pm -
1 stop16h 02m
Deal found 9/11![Multiple Airlines logo]()
$704
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Mon 11/167:05 pm -
2 stops52h 05m
Sat 11/289:00 am -
2 stops32h 32m
Deal found 9/10![Air Canada logo]()
$709
Best flights from Seattle to IrelandDiscover carefully curated flight deals from Seattle to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Seattle to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/11. 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 10/256:00 am -
2 stops25h 45m
Tue 11/1011:15 am -
1 stop32h 32m
Deal found 9/11![Delta logo]()
$582
This Air France deal was found by Cheapflights users on 9/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:20 pm -
1 stop15h 25m
Tue 11/105:30 pm -
1 stop26h 17m
Deal found 9/11![Multiple Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2611:13 pm -
2 stops27h 02m
Tue 10/612:30 pm -
2 stops29h 06m
Deal found 9/11![United Airlines logo]()
$637
This KLM deal was found by Cheapflights users on 9/11. 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 10/263:25 pm -
1 stop18h 15m
Mon 11/25:30 pm -
1 stop26h 17m
Deal found 9/11![KLM logo]()
$771
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:43 am -
2 stops16h 47m
Wed 11/187:50 am -
2 stops20h 30m
Deal found 9/8![British Airways logo]()
$807
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2410:31 am -
2 stops22h 14m
Sun 2/77:50 am -
1 stop17h 00m
Deal found 9/9![Aer Lingus logo]()
$865
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:56 pm -
1 stop25h 14m
Sat 11/285:55 pm -
1 stop27h 05m
Deal found 9/10![Multiple Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/6. 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 1/298:30 am -
2 stops15h 40m
Tue 2/210:40 am -
2 stops18h 08m
Deal found 9/6![United Airlines logo]()
$766
This Delta deal was found by Cheapflights users on 9/9. 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 10/2011:05 am -
2 stops19h 35m
Mon 11/25:40 am -
1 stop14h 07m
Deal found 9/9![Delta logo]()
$814
This KLM deal was found by Cheapflights users on 9/7. 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.
Thu 11/129:25 am -
2 stops15h 20m
Tue 11/175:45 am -
1 stop14h 02m
Deal found 9/7![KLM logo]()
$818
This United deal was found by Cheapflights users on 9/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:10 pm -
2 stops28h 20m
Sat 2/209:00 am -
2 stops32h 27m
Deal found 9/6![Multiple Airlines logo]()
$746
This British Airways deal was found by Cheapflights users on 9/9. 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.
Mon 12/1410:29 am -
2 stops24h 56m
Mon 12/218:05 pm -
2 stops36h 53m
Deal found 9/9![British Airways logo]()
$846
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:10 pm -
2 stops17h 25m
Thu 10/297:50 am -
1 stop17h 00m
Deal found 9/10![Aer Lingus logo]()
$872
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 10/1812:00 pm -
2 stops37h 45m
Thu 10/298:00 am -
2 stops36h 25m
Deal found 9/9![United Airlines logo]()
$802
This Delta deal was found by Cheapflights users on 9/11. 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 10/2611:08 am -
2 stops22h 32m
Mon 11/25:40 am -
1 stop14h 07m
Deal found 9/11![Delta logo]()
$825
This Aer Lingus deal was found by Cheapflights users on 9/10. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:10 pm -
Nonstop9h 05m
Thu 10/1512:50 pm -
1 stop18h 13m
Deal found 9/10![Multiple Airlines logo]()
$759
This KLM deal was found by Cheapflights users on 9/7. 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.
Sat 10/313:25 pm -
1 stop18h 15m
Mon 11/95:40 am -
1 stop14h 07m
Deal found 9/7![KLM logo]()
$870
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/78:25 am -
2 stops18h 45m
Fri 10/308:00 am -
2 stops36h 25m
Deal found 9/7![United Airlines logo]()
$813
This Finnair deal was found by Cheapflights users on 9/7. 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.
Sun 10/181:30 pm -
1 stop12h 10m
Thu 10/2910:50 am -
1 stop14h 00m
Deal found 9/7![Multiple Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 9/8. 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 9/309:43 am -
1 stop16h 17m
Mon 10/51:25 pm -
1 stop35h 10m
Deal found 9/8![Delta logo]()
$935
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/711:14 pm -
2 stops27h 01m
Wed 10/1412:30 pm -
1 stop17h 25m
Deal found 9/7![United Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/277:40 pm -
1 stop18h 50m
Thu 10/296:00 am -
1 stop19h 05m
Deal found 9/9![Multiple Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 12/156:15 am -
2 stops19h 40m
Wed 12/301:35 pm -
2 stops30h 22m
Deal found 9/9![United Airlines logo]()
$885
This Finnair deal was found by Cheapflights users on 9/8. 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 10/141:30 pm -
1 stop14h 35m
Tue 10/279:45 am -
2 stops21h 51m
Deal found 9/8![Multiple Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 10/46:43 pm -
2 stops28h 37m
Tue 10/209:50 am -
1 stop19h 14m
Deal found 9/6![United Airlines logo]()
$931
Last-minute flights from Seattle to IrelandDiscover last-minute flight deals from Seattle to Ireland. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Ireland. Data last updated September 11, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/8. 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.
Tue 9/158:00 am -
3 stops25h 55m
Mon 9/216:55 pm -
2 stops25h 00m
Deal found 9/8![Multiple Airlines logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 9/207:10 am -
1 stop23h 20m
Tue 10/63:25 pm -
Nonstop9h 45m
Deal found 9/11![Aer Lingus logo]()
$710
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Mon 9/217:10 pm -
Nonstop9h 05m
Tue 9/2911:35 am -
1 stop18h 01m
Deal found 9/11![Aer Lingus logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2611:14 pm -
2 stops27h 01m
Tue 10/612:30 pm -
1 stop17h 25m
Deal found 9/11![United Airlines logo]()
$624
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sun 9/275:50 am -
2 stops17h 55m
Sun 10/49:20 am -
2 stops17h 12m
Deal found 9/10![Air Canada logo]()
$709
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/38:30 am -
2 stops18h 40m
Sat 10/109:50 am -
1 stop12h 32m
Deal found 9/11![United Airlines logo]()
$681
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Sat 10/35:50 am -
2 stops18h 25m
Sat 10/109:50 am -
2 stops16h 54m
Deal found 9/11![Multiple Airlines logo]()
$695
This Aer Lingus deal was found by Cheapflights users on 9/11. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:10 pm -
Nonstop9h 05m
Wed 10/1412:35 pm -
1 stop16h 02m
Deal found 9/11![Multiple Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/1110:48 pm -
1 stop28h 22m
Sun 10/189:50 am -
1 stop32h 15m
Deal found 9/11![United Airlines logo]()
$620
This Booking.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/117:10 pm -
Nonstop9h 05m
Sun 10/183:25 pm -
Nonstop9h 45m
Deal found 9/11![Aer Lingus logo]()
$691
This deal was found by Cheapflights users on 9/11. 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.
Fri 10/1610:50 am -
1 stop12h 55m
Sat 10/249:50 am -
1 stop12h 32m
Deal found 9/11![Air Canada logo]()
$676
This Delta deal was found by Cheapflights users on 9/11. 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 10/256:00 am -
2 stops25h 45m
Tue 11/1011:15 am -
1 stop32h 32m
Deal found 9/11![Delta logo]()
$582
One-way flights from Seattle to IrelandSearch for one-way flight options from Seattle to Ireland. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Seattle to Ireland. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/23:55 pm -
1 stop31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/63:55 pm -
2 stops55h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sun 9/203:55 pm -
3 stops42h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/103:55 pm -
3 stops48h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/57:00 pm -
2 stops21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/293:55 pm -
2 stops47h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sun 10/113:55 pm -
2 stops47h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:10 pm -
2 stops20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Aer Lingus logo]()
$472
This Delta deal was found by Cheapflights users on 9/7. 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 10/81:30 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$523
Find flight deals from Seattle to Ireland
Keep the following information in mind while searching for Seattle to Ireland flight deals. Data was last updated September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $582 (Delta) |
One-way from | $245 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $876 |
Good round-trip deal | $1,009 or less |
Good one-way deal | $462 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Ireland 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Seattle to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 10/13
7:00 pm-9:50 am
3 stops30h 50m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$283
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Mon 10/19
3:40 pm-11:20 pm
3 stops23h 40m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$284
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Mon 2/22
6:45 pm-3:25 pm
1 stop12h 40m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$307
Quickest round-trip
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 9/29
7:10 pm-12:15 pm
Nonstop9h 05m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$412
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 9/20
1:30 pm-7:35 pm
1 stop22h 05m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$460
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Thu 10/29
10:31 am-9:30 am
1 stop15h 59m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$463
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 10/11
10:48 pm-7:20 am
2 stops24h 32m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$472
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 9/29
6:30 am-11:10 am
2 stops20h 40m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$472
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 12/6
6:15 am-9:55 am
3 stops19h 40m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$472
SeattleCork
SEA Seattle/Tacoma Intl - ORK Cork
SEAORK
Seattle/Tacoma Intl
Thu 10/8
7:10 pm-7:50 pm
2 stops16h 40m
Cork
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$472
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from Seattle to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Seattle with our price prediction graph.
SEA-DUB
SEA-ORK
SEA-SNN
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 Seattle to Ireland
SEA-IE0
SEA-DUB
SEA-ORK
SEA-SNN
What is the cheapest month to book a flight from Seattle to Ireland?
Currently, February is the cheapest month in which you can book a flight from Seattle to Ireland (average of $468). Flying from Seattle to Ireland in June is currently the most expensive (average of $1,112). 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.
What is the cheapest time of day to fly from SEA to IE?
Find hourly flight availability from Seattle to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Ireland as you normally would.
Weekly flight availability from Seattle to Ireland
Explore weekly flight availability from Seattle to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2026.
The most flights from SEA to IE0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How far ahead should I book a flight from Seattle to Ireland?
Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Ireland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Ireland
Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated September 11, 2026.
Read reviews from past customers who have flown Delta,Aer Lingus, andAmerican Airlines from Seattle to Ireland. 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.
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Ireland
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Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Ireland by cabin class
Find flights from Seattle to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Ireland flights
Browse other Seattle and Ireland flight options. Last updated on September 11, 2026.
Popular flight searches
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Fly to Ireland regions
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Top 10 airlines flying from Seattle to Ireland
Discover the top 10 airlines that operate flights from Seattle to Ireland. 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$554 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$436 | Average$585 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$444 | Average$640 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$458 | Average$793 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$467 | Average$629 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$840 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$476 | Average$888 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$869 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$493 | Average$799 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$497 | Average$1,089 | FlexibilityNo cancel fee | On-time77% |