$248+ Cheap flights from Seattle (SEA) to Dublin (DUB)
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 15 — Oct 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Dublin with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dublin are usually found in February or January, booked 47 days in advance, depart on a Wednesday or Sunday and return on a Friday
Cheap flight deals from Seattle to Dublin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to DublinExplore the most affordable flight options available from Seattle to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Seattle to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Booking.com deal was found by Cheapflights users on 9/12. 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.
Thu 10/297:45 pm -
1 stop12h 10m
Mon 11/28:40 pm -
1 stop22h 45m
Deal found 9/12![British Airways logo]()
$587
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 Expedia deal was found by Cheapflights users on 9/12. 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.
Thu 10/297:30 am -
1 stop16h 40m
Mon 11/212:50 pm -
2 stops30h 35m
Deal found 9/12![Iberia logo]()
$621
This Air Canada deal was found by Cheapflights users on 9/15. 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 9/277:00 am -
2 stops16h 45m
Wed 10/75:55 am -
2 stops16h 27m
Deal found 9/15![Multiple Airlines logo]()
$655
This Gotogate deal was found by Cheapflights users on 9/14. 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.
Sat 10/35:50 am -
1 stop17h 55m
Sat 10/109:50 am -
1 stop16h 42m
Deal found 9/14![Multiple Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/2910:56 pm -
2 stops27h 59m
Mon 11/212:05 pm -
2 stops19h 02m
Deal found 9/12![United Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/178:30 am -
2 stops17h 25m
Tue 12/11:35 pm -
1 stop16h 52m
Deal found 9/14![United Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/92:35 pm -
1 stop11h 40m
Fri 11/1311:30 am -
1 stop13h 30m
Deal found 9/14![Icelandair logo]()
$663
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 9/245:12 pm -
1 stop32h 33m
Tue 9/2911:35 am -
2 stops41h 02m
Deal found 9/15![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/66:30 am -
1 stop17h 00m
Sun 11/159:30 am -
1 stop33h 46m
Deal found 9/14![United Airlines logo]()
$665
This KAYAK deal was found by Cheapflights users on 9/14. 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 11/166:30 am -
1 stop17h 00m
Mon 11/305:10 am -
1 stop14h 50m
Deal found 9/14![Lufthansa logo]()
$666
Best flights from Seattle to DublinDiscover carefully curated flight deals from Seattle to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Seattle to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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 2/210:54 am -
1 stop13h 16m
Thu 2/49:00 am -
2 stops37h 33m
Deal found 9/15![United Airlines logo]()
$685
This British Airways deal was found by Cheapflights users on 9/15. 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.
Thu 2/41:40 pm -
1 stop19h 55m
Sat 2/68:40 pm -
1 stop28h 10m
Deal found 9/15![British Airways logo]()
$797
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:40 pm -
1 stop13h 35m
Sat 10/102:15 pm -
1 stop14h 25m
Deal found 9/11![Icelandair logo]()
$824
This Delta deal was found by Cheapflights users on 9/15. 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 12/1911:15 pm -
1 stop26h 30m
Mon 12/2811:55 am -
1 stop17h 47m
Deal found 9/15![Delta logo]()
$1,135
This Mytrip deal was found by Cheapflights users on 9/15. 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 11/51:50 pm -
3 stops20h 30m
Sat 11/144:15 am -
2 stops24h 44m
Deal found 9/15![Multiple Airlines logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 9/12. 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 12/2711:44 pm -
2 stops23h 46m
Thu 12/319:00 am -
2 stops45h 32m
Deal found 9/12![United Airlines logo]()
$826
This Finnair deal was found by Cheapflights users on 9/14. 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 1/281:40 pm -
2 stops19h 40m
Wed 2/109:45 am -
2 stops33h 40m
Deal found 9/14![Finnair logo]()
$1,709
This British Airways deal was found by Cheapflights users on 9/14. 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.
Tue 12/226:45 pm -
1 stop31h 10m
Wed 12/308:40 pm -
1 stop22h 45m
Deal found 9/14![British Airways logo]()
$1,124
This United Airlines deal was found by Cheapflights users on 9/13. 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 12/217:45 am -
1 stop15h 25m
Thu 12/311:35 pm -
2 stops34h 44m
Deal found 9/13![United Airlines logo]()
$1,131
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/197:10 pm -
2 stops30h 45m
Mon 12/289:30 am -
2 stops21h 02m
Deal found 9/15![United Airlines logo]()
$1,163
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.
Mon 10/198:30 am -
2 stops18h 40m
Sat 10/249:50 am -
1 stop12h 32m
Deal found 9/11![United Airlines logo]()
$1,166
Last-minute flights from Seattle to DublinDiscover last-minute flight deals from Seattle to Dublin. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Dublin. Data last updated September 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/213:40 pm -
1 stop13h 35m
Wed 9/3012:15 pm -
1 stop13h 40m
Deal found 9/15![Icelandair logo]()
$672
This Delta deal was found by Cheapflights users on 9/15. 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 9/2410:59 pm -
2 stops27h 01m
Mon 9/2811:10 am -
1 stop32h 37m
Deal found 9/15![Delta logo]()
$661
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 9/245:12 pm -
1 stop32h 33m
Tue 9/2911:35 am -
2 stops41h 02m
Deal found 9/15![United Airlines logo]()
$664
This Air Canada deal was found by Cheapflights users on 9/15. 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 9/277:00 am -
2 stops16h 45m
Wed 10/75:55 am -
2 stops16h 27m
Deal found 9/15![Multiple Airlines logo]()
$655
This FlightHub deal was found by Cheapflights users on 9/15. 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 10/17:15 pm -
1 stop28h 30m
Sat 10/109:50 am -
1 stop16h 42m
Deal found 9/15![Lufthansa logo]()
$671
This Gotogate deal was found by Cheapflights users on 9/14. 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.
Sat 10/35:50 am -
1 stop17h 55m
Sat 10/109:50 am -
1 stop16h 42m
Deal found 9/14![Multiple Airlines logo]()
$659
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 9/12. 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 10/245:50 am -
2 stops17h 20m
Sat 10/3110:45 am -
1 stop34h 15m
Deal found 9/12![Multiple Airlines logo]()
$673
This Booking.com deal was found by Cheapflights users on 9/12. 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.
Thu 10/297:45 pm -
1 stop12h 10m
Mon 11/28:40 pm -
1 stop22h 45m
Deal found 9/12![British Airways logo]()
$587
This Expedia deal was found by Cheapflights users on 9/12. 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.
Thu 10/297:30 am -
1 stop16h 40m
Mon 11/212:50 pm -
2 stops30h 35m
Deal found 9/12![Iberia logo]()
$621
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/2910:56 pm -
2 stops27h 59m
Mon 11/212:05 pm -
2 stops19h 02m
Deal found 9/12![United Airlines logo]()
$660
One-way flights from Seattle to DublinSearch for one-way flight options from Seattle to Dublin. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Seattle to Dublin. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
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.
Fri 10/23:55 pm -
1 stop31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 -
3 stops55h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/93:55 pm -
3 stops55h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 stops55h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/14![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 -
3 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$272
Find flight deals from Seattle to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $587 (Booking.com) |
One-way from | $248 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $906 |
Good round-trip deal | $986 or less |
Good one-way deal | $459 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Dublin 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 15, 2026.
Use the filters below to find and compare flights from Seattle to Dublin 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
$286
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 12/29
5:00 am-8:10 am
2 stops19h 10m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Mon 2/1
3:51 pm-7:30 am
3 stops31h 39m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$335
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Fri 10/9
3:55 pm-7:10 am
1 stop31h 15m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$350
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Wed 9/30
7:00 pm-11:05 am
1 stop32h 05m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$352
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 10/13
11:55 pm-8:20 am
1 stop24h 25m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$377
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 10/25
7:10 pm-10:15 am
1 stop32h 05m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$378
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Fri 1/1
6:00 am-9:25 am
2 stops19h 25m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$384
Quickest round-trip
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Mon 9/21
3:40 pm-2:55 pm
2 stops15h 15m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$449
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Fri 9/25
9:45 pm-2:35 pm
3 stops56h 50m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$455
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to Dublin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Dublin in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Dublin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Seattle with our price prediction graph.
SEA-DUB
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 Dublin
How far ahead should I book a flight from Seattle to Dublin?
To ensure you get the cheapest price possible for a flight from Seattle to Dublin, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Dublin?
Currently, February is the cheapest month in which you can book a flight from Seattle to Dublin (average of $474). Flying from Seattle to Dublin in June is currently the most expensive (average of $1,107). 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 DUB?
Find hourly flight availability from Seattle to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
When flying from Seattle to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated September 15, 2026.
Read through reviews of airlines operating flights from Seattle to Dublin, such as Delta,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
Bray
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Dublin flight routes
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Dublin
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Dublin by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Dublin
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Search flights from Seattle to Dublin by cabin class
Find flights from Seattle to Dublin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Dublin flights
Browse other Seattle and Dublin flight options. Last updated on September 15, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Seattle to Dublin
Discover the top 10 airlines that operate flights from Seattle to Dublin. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$565 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$444 | Average$640 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$461 | Average$585 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$467 | Average$629 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$808 | FlexibilityNo cancel fee | On-timeN/A | |
| 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$793 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$497 | Average$1,089 | FlexibilityNo cancel fee | On-time77% |