$288+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Nov 30 — Dec 71
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 October 31, 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 October 31, 2026.
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/172:35 pm -
2 stops23h 35m
Tue 11/247:05 pm -
3 stops29h 55m
Deal found 10/30![Multiple Airlines logo]()
$605
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/261:50 pm -
3 stops35h 35m
Thu 12/38:45 pm -
3 stops32h 14m
Deal found 10/29![Multiple Airlines logo]()
$612
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:35 pm -
1 stop11h 40m
Tue 11/2411:30 am -
1 stop13h 30m
Deal found 10/29![Icelandair logo]()
$638
This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:35 pm -
1 stop11h 40m
Wed 12/211:30 am -
1 stop13h 30m
Deal found 10/27![Icelandair logo]()
$639
This Booking.com deal was found by Cheapflights users on 10/29. 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 12/82:35 pm -
2 stops19h 45m
Tue 12/151:30 pm -
2 stops35h 30m
Deal found 10/29![Multiple Airlines logo]()
$645
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:35 pm -
1 stop11h 40m
Wed 12/911:30 am -
1 stop13h 30m
Deal found 10/30![Icelandair logo]()
$646
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:35 pm -
1 stop11h 40m
Tue 12/1511:30 am -
1 stop13h 30m
Deal found 10/28![Icelandair logo]()
$647
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 12/62:35 pm -
1 stop11h 40m
Fri 12/1111:30 am -
1 stop13h 30m
Deal found 10/29![Icelandair logo]()
$649
This FlightHub deal was found by Cheapflights users on 10/30. 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 11/222:35 pm -
1 stop11h 40m
Thu 11/2611:30 am -
1 stop13h 30m
Deal found 10/30![Icelandair logo]()
$660
This Air France deal was found by Cheapflights users on 10/26. 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.
Thu 11/2611:49 am -
2 stops18h 56m
Wed 12/95:40 am -
1 stop14h 10m
Deal found 10/26![Multiple Airlines logo]()
$814
This KLM deal was found by Cheapflights users on 10/26. 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 11/262:35 pm -
1 stop18h 05m
Wed 12/95:40 am -
1 stop14h 10m
Deal found 10/26![KLM logo]()
$817
This Delta deal was found by Cheapflights users on 10/28. 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 11/267:15 am -
2 stops23h 30m
Wed 12/95:15 pm -
1 stop26h 35m
Deal found 10/28![Delta logo]()
$821
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 October 31, 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 October 31, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Fri 1/222:35 pm -
1 stop11h 40m
Thu 1/2811:30 am -
1 stop13h 30m
Deal found 10/30![Icelandair logo]()
$696
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 4/198:30 am -
2 stops17h 45m
Fri 4/2312:30 pm -
1 stop16h 35m
Deal found 10/30![United Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 10/28. 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 2/242:20 pm -
1 stop18h 20m
Mon 3/15:40 am -
1 stop13h 55m
Deal found 10/28![Delta logo]()
$763
This KLM deal was found by Cheapflights users on 10/28. 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.
Wed 2/242:00 pm -
2 stops18h 40m
Mon 3/15:40 am -
1 stop13h 55m
Deal found 10/28![KLM logo]()
$767
This British Airways deal was found by Cheapflights users on 10/26. 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 12/26:45 pm -
1 stop16h 55m
Tue 12/84:20 pm -
1 stop32h 30m
Deal found 10/26![British Airways logo]()
$772
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Fri 1/227:00 am -
2 stops16h 10m
Thu 1/285:10 am -
2 stops21h 12m
Deal found 10/30![Multiple Airlines logo]()
$834
This Icelandair deal was found by Cheapflights users on 10/26. 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.
Thu 12/32:35 pm -
1 stop11h 40m
Fri 12/1111:30 am -
1 stop13h 30m
Deal found 10/26![Icelandair logo]()
$733
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 4/56:50 am -
1 stop19h 25m
Wed 4/2812:30 pm -
1 stop16h 35m
Deal found 10/29![United Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 10/30. 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 12/510:55 pm -
1 stop25h 50m
Fri 12/1811:55 am -
1 stop19h 33m
Deal found 10/30![Delta logo]()
$791
This Icelandair deal was found by Cheapflights users on 10/26. 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.
Fri 12/42:35 pm -
1 stop11h 40m
Thu 12/1011:30 am -
1 stop13h 30m
Deal found 10/26![Icelandair logo]()
$733
This KLM deal was found by Cheapflights users on 10/26. 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 11/262:35 pm -
1 stop18h 05m
Wed 12/95:40 am -
1 stop14h 10m
Deal found 10/26![KLM logo]()
$817
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 11/3010:56 pm -
2 stops24h 34m
Sun 12/69:00 am -
2 stops39h 18m
Deal found 10/30![United Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 10/28. 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 11/262:35 pm -
1 stop18h 05m
Wed 12/95:15 pm -
1 stop26h 35m
Deal found 10/28![Delta logo]()
$825
This KLM deal was found by Cheapflights users on 10/26. 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 11/172:35 pm -
1 stop18h 05m
Wed 11/255:40 am -
1 stop14h 07m
Deal found 10/26![KLM logo]()
$868
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/2811:15 pm -
1 stop24h 15m
Sat 1/99:00 am -
2 stops56h 49m
Deal found 10/27![United Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/277:15 am -
2 stops18h 10m
Fri 12/45:45 am -
1 stop14h 05m
Deal found 10/30![Delta logo]()
$826
This United Airlines deal was found by Cheapflights users on 10/30. 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 1/165:44 pm -
2 stops30h 26m
Sun 1/249:00 am -
2 stops36h 13m
Deal found 10/30![United Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 10/26. 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 11/1511:30 am -
2 stops19h 15m
Wed 11/255:40 am -
1 stop14h 07m
Deal found 10/26![Delta logo]()
$869
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/137:00 am -
1 stop18h 55m
Sun 12/2010:40 am -
2 stops31h 09m
Deal found 10/29![United Airlines logo]()
$841
This Delta deal was found by Cheapflights users on 10/27. 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 11/176:00 am -
2 stops20h 40m
Wed 11/255:40 am -
1 stop14h 07m
Deal found 10/27![Delta logo]()
$872
This Delta deal was found by Cheapflights users on 10/27. 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 11/165:35 am -
2 stops21h 05m
Wed 11/255:40 am -
1 stop14h 07m
Deal found 10/27![Delta logo]()
$872
Last-minute flights from Seattle to IrelandDiscover last-minute flight deals from Seattle to Ireland. Data last updated October 31, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Ireland. Data last updated October 31, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:35 pm -
1 stop11h 40m
Tue 11/2411:30 am -
1 stop13h 30m
Deal found 10/29![Icelandair logo]()
$638
This Justfly.com deal was found by Cheapflights users on 10/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
1 stop11h 40m
Thu 11/1911:30 am -
1 stop13h 30m
Deal found 10/26![Icelandair logo]()
$661
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
1 stop11h 40m
Tue 11/2411:30 am -
1 stop13h 30m
Deal found 10/29![Icelandair logo]()
$664
This Air France deal was found by Cheapflights users on 10/28. 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 11/153:25 pm -
1 stop15h 20m
Wed 11/255:40 am -
1 stop14h 07m
Deal found 10/28![Multiple Airlines logo]()
$864
This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:35 pm -
1 stop11h 40m
Wed 12/211:30 am -
1 stop13h 30m
Deal found 10/27![Icelandair logo]()
$639
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/172:35 pm -
2 stops23h 35m
Tue 11/247:05 pm -
3 stops29h 55m
Deal found 10/30![Multiple Airlines logo]()
$605
This FlightHub deal was found by Cheapflights users on 10/30. 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 11/222:35 pm -
1 stop11h 40m
Thu 11/2611:30 am -
1 stop13h 30m
Deal found 10/30![Icelandair logo]()
$660
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/261:50 pm -
3 stops35h 35m
Thu 12/38:45 pm -
3 stops32h 14m
Deal found 10/29![Multiple Airlines logo]()
$612
This Air France deal was found by Cheapflights users on 10/26. 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.
Thu 11/2611:49 am -
2 stops18h 56m
Wed 12/95:40 am -
1 stop14h 10m
Deal found 10/26![Multiple Airlines logo]()
$814
This KLM deal was found by Cheapflights users on 10/26. 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 11/262:35 pm -
1 stop18h 05m
Wed 12/95:40 am -
1 stop14h 10m
Deal found 10/26![KLM logo]()
$817
This Delta deal was found by Cheapflights users on 10/28. 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 11/267:15 am -
2 stops23h 30m
Wed 12/95:15 pm -
1 stop26h 35m
Deal found 10/28![Delta logo]()
$821
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:35 pm -
1 stop11h 40m
Tue 12/1511:30 am -
1 stop13h 30m
Deal found 10/28![Icelandair logo]()
$647
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 October 31, 2026.
Search for one-way flight options from Seattle to Ireland. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/102:35 pm -
2 stops16h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/82:35 pm -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 1/182:35 pm -
2 stops35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/62:35 pm -
3 stops38h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/72:35 pm -
3 stops45h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Wed 1/276:45 pm -
1 stop16h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![British Airways logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/92:35 pm -
3 stops45h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/275:00 am -
2 stops19h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 4/217:00 pm -
3 stops43h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$335
This Expedia deal was found by Cheapflights users on 10/27. 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.
Wed 4/218:20 pm -
1 stop16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![British Airways logo]()
$435
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 October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $605 (Mytrip) |
One-way from | $288 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $867 |
Good round-trip deal | $816 or less |
Good one-way deal | $468 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 October 31, 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
Wed 1/27
5:00 am-8:10 am
2 stops19h 10m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$334
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Wed 4/21
7:00 pm-10:00 pm
3 stops43h 00m
Shannon
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$335
Quickest round-trip
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Wed 12/9
2:35 pm-10:15 am
1 stop11h 40m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$350
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 12/6
6:20 am-9:30 am
1 stop19h 10m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$430
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Wed 4/21
8:20 pm-8:35 pm
1 stop16h 15m
Shannon
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$435
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 12/27
5:52 pm-10:10 pm
2 stops44h 18m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$466
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sat 11/7
11:50 pm-8:45 am
2 stops24h 55m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$477
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Wed 12/9
9:18 am-8:45 am
2 stops15h 27m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$477
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 12/6
10:48 am-9:55 am
2 stops15h 07m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$477
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 11/10
4:39 pm-9:55 am
3 stops33h 16m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$477
Showing 1-10 of 32 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 $518). Flying from Seattle to Ireland in June is currently the most expensive (average of $1,128). 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 October 31, 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.
How far ahead should I book a flight from Seattle to Ireland?
Booking 12 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 October 31, 2026.
Read reviews from past customers who have flown Aer Lingus,United Airlines, 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.
Food
6.7
Crew
8.1
Comfort
7.2
Entertainment
7.1
Overall
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Food
6.7
Crew
8.1
Comfort
7.2
Entertainment
7.1
Overall
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Food
6.7
Crew
8.1
Comfort
7.2
Entertainment
7.1
Overall
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Food
6.7
Crew
8.1
Comfort
7.2
Entertainment
7.1
Overall
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Food
6.7
Crew
8.1
Comfort
7.2
Entertainment
7.1
Overall
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Food
6.7
Crew
8.1
Comfort
7.2
Entertainment
7.1
Overall
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
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
See prices for flight routes from nearby airports that may be better suited for you.
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 October 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Ireland flights
Consider these flights traveling from Seattle to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
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 October 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$367 | Average$667 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$444 | Average$640 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$468 | Average$845 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$489 | Average$906 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$490 | Average$871 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$492 | Average$737 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$869 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$521 | Average$611 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$521 | Average$937 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$537 | Average$992 | FlexibilityNo cancel fee | On-timeN/A |