This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
16 Oct — 23 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 Monday and return on a Wednesday
Cheap flight deals from Seattle to Dublin
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Seattle to Dublin
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 16 September 2026.
Sun 11/1022:48 -
1 stop28h 22m
Sun 18/1009:50 -
1 stop32h 15m
Deal found 11/9£460
Thu 29/1022:56 -
2 stops27h 59m
Mon 2/1112:05 -
2 stops19h 02m
Deal found 12/9£490
Tue 17/1108:30 -
2 stops17h 25m
Tue 1/1213:35 -
1 stop16h 52m
Deal found 14/9£490
Thu 24/917:12 -
1 stop32h 33m
Tue 29/911:35 -
2 stops41h 02m
Deal found 15/9£493
Fri 6/1106:30 -
1 stop17h 00m
Sun 15/1109:30 -
1 stop33h 46m
Deal found 14/9£493
Wed 4/1108:30 -
2 stops17h 25m
Thu 19/1109:30 -
1 stop20h 09m
Deal found 14/9£495
Sat 14/1122:56 -
1 stop25h 14m
Sat 26/1212:05 -
1 stop16h 57m
Deal found 15/9£495
Wed 25/1108:09 -
1 stop18h 11m
Wed 2/1212:05 -
2 stops41h 53m
Deal found 15/9£498
Sun 15/1108:09 -
1 stop18h 11m
Wed 2/1212:05 -
2 stops41h 53m
Deal found 14/9£498
Thu 5/1106:00 -
1 stop17h 45m
Mon 16/1105:45 -
2 stops17h 10m
Deal found 14/9£501
Thu 26/1109:25 -
2 stops21h 05m
Tue 1/1206:00 -
2 stops22h 18m
Deal found 15/9£502
Best flights from Seattle to Dublin
Discover carefully curated flight deals from Seattle to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.
Sun 22/1112:45 -
2 stops35h 25m
Sun 29/1109:10 -
1 stop34h 50m
Deal found 15/9£512
Mon 5/1015:40 -
1 stop13h 35m
Sat 10/1014:15 -
1 stop14h 25m
Deal found 11/9£611
Sat 12/1211:35 -
2 stops18h 35m
Sat 19/1209:55 -
1 stop22h 03m
Deal found 11/9£638
Tue 22/1218:45 -
1 stop31h 10m
Wed 30/1220:40 -
1 stop22h 45m
Deal found 14/9£834
Mon 21/1207:45 -
1 stop15h 25m
Thu 31/1213:35 -
2 stops34h 44m
Deal found 13/9£839
Tue 13/1022:15 -
1 stop22h 15m
Tue 20/1015:25 -
Nonstop9h 45m
Deal found 15/9£518
Thu 28/113:40 -
2 stops19h 40m
Wed 10/209:45 -
2 stops33h 40m
Deal found 14/9£1,268
Sat 19/1223:15 -
1 stop26h 30m
Mon 28/1211:55 -
1 stop17h 47m
Deal found 15/9£842
Sat 19/1219:10 -
2 stops30h 45m
Mon 28/1209:30 -
2 stops21h 02m
Deal found 15/9£863
Mon 19/1008:30 -
2 stops18h 40m
Sat 24/1009:50 -
1 stop12h 32m
Deal found 11/9£865
Wed 23/1214:41 -
2 stops56h 49m
Mon 4/109:00 -
3 stops34h 40m
Deal found 14/9£894
Direct flights from Seattle to Dublin
Explore direct flight options from Seattle to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2026.
Sat 10/1019:10 -
Nonstop9h 05m
Sat 17/1015:25 -
Nonstop9h 45m
Deal found 12/9£510
Fri 2/1019:10 -
Nonstop9h 05m
Sat 10/1015:25 -
Nonstop9h 45m
Deal found 11/9£852
Last-minute flights from Seattle to Dublin
Discover last-minute flight deals from Seattle to Dublin. Data last updated 16 September 2026 and is based on user searches.
Mon 21/908:40 -
1 stop19h 05m
Tue 6/1015:25 -
Nonstop9h 45m
Deal found 14/9£513
Thu 24/922:59 -
2 stops27h 01m
Mon 28/911:10 -
1 stop32h 37m
Deal found 15/9£490
Thu 24/917:12 -
1 stop32h 33m
Tue 29/911:35 -
2 stops41h 02m
Deal found 15/9£493
Thu 24/907:00 -
2 stops19h 40m
Sun 4/1009:50 -
1 stop12h 32m
Deal found 14/9£508
Thu 24/908:25 -
1 stop18h 15m
Sun 27/909:50 -
1 stop16h 42m
Deal found 15/9£515
Thu 1/1010:42 -
1 stop15h 03m
Wed 14/1011:35 -
2 stops35h 18m
Deal found 11/9£505
Fri 2/1012:00 -
2 stops37h 45m
Wed 14/1011:35 -
1 stop15h 17m
Deal found 11/9£503
Sat 10/1019:10 -
Nonstop9h 05m
Sat 17/1015:25 -
Nonstop9h 45m
Deal found 12/9£510
Sun 11/1022:48 -
1 stop28h 22m
Sun 18/1009:50 -
1 stop32h 15m
Deal found 11/9£460
Fri 16/1005:50 -
1 stop17h 55m
Mon 26/1009:30 -
2 stops31h 17m
Deal found 14/9£518
Thu 29/1022:56 -
2 stops27h 59m
Mon 2/1112:05 -
2 stops19h 02m
Deal found 12/9£490
One-way flights from Seattle to Dublin
Search for one-way flight options from Seattle to Dublin. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.
Mon 28/1205:00 -
2 stops21h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£244
Mon 1/215:51 -
3 stops31h 39m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£248
Fri 12/222:40 -
2 stops48h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£259
Sun 25/1019:10 -
1 stop32h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£280
Fri 1/106:00 -
2 stops19h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£285
Tue 29/906:30 -
2 stops20h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£350
Sat 17/1012:00 -
3 stops35h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£355
Sat 24/1012:00 -
3 stops35h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£357
Thu 29/1008:30 -
3 stops18h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£387
Wed 14/1010:30 -
2 stops18h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£2,224
Fri 9/1006:39 -
3 stops43h 01m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£5,694
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 16 September 2026.
Customise 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 16 September 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
Price
Cheapest return flight
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 29/12
05:00-08:10
2 stops19h 10m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£244
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Mon 1/2
15:51-07:30
3 stops31h 39m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£248
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 25/10
19:10-10:15
1 stop32h 05m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£280
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Fri 1/1
06:00-09:25
2 stops19h 25m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£285
Fastest return journey
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 18/10
07:00-07:30
2 stops16h 30m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£350
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 6/12
06:15-09:55
3 stops19h 40m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£350
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Tue 29/9
06:30-11:10
2 stops20h 40m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£350
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sat 17/10
12:00-07:30
3 stops35h 30m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£355
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sat 24/10
12:00-07:10
3 stops35h 10m
Dublin
Wed 31/12
00:00-15:00
Nonstop0h 00m
£357
SeattleDublin
SEA Seattle/Tacoma Intl - DUB Dublin
SEADUB
Seattle/Tacoma Intl
Sun 22/11
12:45-08:10
2 stops35h 25m
Dublin
Sun 29/11
09:10-12:00
1 stop34h 50m
£512
Flights are sorted by cheapest return flights first.
Deals found on 14/9
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
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 return 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?
The price you pay for your flight from Seattle to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 £352). Flying from Seattle to Dublin in June is currently the most expensive (average of £821). 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 16 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Dublin as you normally would.
How much does it cost for a return flight from Seattle to Dublin?
Airfare is below average for this route at the moment.
Seattle to Dublin flights typically cost between £555 and £778 in October.The cheapest return price found within the last 5 days was £460 on United Airlines (11 Oct–18 Oct).
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 16 September 2026.
Check out reviews from past customers who have flown with Aer Lingus from Seattle to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
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.
How popular is this Seattle to Dublin flight route?
This flight path from Seattle/Tacoma Intl to Dublin was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Seattle to Dublin?
There are many flights that can get you from Seattle to Dublin in 13h 35m. Fly via Icelandair, Delta, or British Airways to get the fastest option. There are 4523 mi between Seattle and Dublin. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Seattle to Dublin round-trip?
Aer Lingus, at £315, was found to be the cheapest airline from Seattle to Dublin.. Aer Lingus is 44% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Seattle to Dublin?
Consider American Airlines (83%), Aer Lingus (83%) or Iberia (83%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Dublin.
Can I find deals for flights from Seattle to Dublin that include hotel bookings?
Yes. In addition to deals on Seattle to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Seattle to Dublin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Dublin.
Can I find deals for business class flights from Seattle to Dublin?
Yes. Cheapflights offers flight deals from Seattle to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 £352). Flying from Seattle to Dublin in June is currently the most expensive (average of £821). 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.
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.
Discover the top airline 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 16 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seattle to Dublin?
When you search for this flight from Seattle to Dublin, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Dublin?
Cheapflights helps you find that perfect flight to Dublin from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Seattle to Dublin with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Dublin flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Seattle to Dublin become cheaper?
Yes, and it ’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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