This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
15 Feb — 22 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to Seattle/Tacoma Intl are usually found in February or November, booked 66 days in advance, depart on a Friday or Tuesday and return on a Monday
Cheap flight deals from Dublin to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Seattle (SEA). 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 January 2026.
Explore the most affordable flight options available from Dublin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.
Sat 5/914:15
DUB
-
SEA
1 stop14h 25m
Icelandair
Sun 13/915:40
SEA
-
DUB
1 stop13h 35m
Icelandair
Deal found 14/1£332
Sat 19/918:45
DUB
-
SEA
1 stop24h 50m
Multiple Airlines
Tue 29/913:35
SEA
-
DUB
1 stop12h 15m
Multiple Airlines
Deal found 14/1£340
Thu 3/914:15
DUB
-
SEA
1 stop14h 25m
Icelandair
Wed 23/915:40
SEA
-
DUB
1 stop13h 35m
Icelandair
Deal found 15/1£341
Sat 10/1020:10
DUB
-
SEA
1 stop23h 25m
Multiple Airlines
Fri 23/1007:49
SEA
-
DUB
1 stop17h 56m
Multiple Airlines
Deal found 15/1£346
Mon 23/220:40
DUB
-
SEA
1 stop22h 50m
British Airways
Mon 9/319:50
SEA
-
DUB
1 stop16h 50m
British Airways
Deal found 14/1£363
Wed 11/208:50
DUB
-
SEA
1 stop16h 05m
British Airways
Sun 15/218:50
SEA
-
DUB
1 stop14h 00m
British Airways
Deal found 13/1£364
Mon 7/909:40
DUB
-
SEA
1 stop14h 20m
Multiple Airlines
Mon 28/920:20
SEA
-
DUB
1 stop13h 45m
Multiple Airlines
Deal found 15/1£367
Fri 27/216:30
DUB
-
SEA
Nonstop9h 50m
Aer Lingus
Fri 6/320:05
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 13/1£374
Best flights from Dublin to Seattle
Discover carefully curated flight deals from Dublin to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 January 2026.
Mon 23/220:40
DUB
-
SEA
1 stop28h 15m
British Airways
Sun 8/313:37
SEA
-
DUB
2 stops20h 13m
British Airways
Deal found 14/1£363
Mon 9/317:15
DUB
-
SEA
1 stop26h 20m
KLM
Sun 22/307:20
SEA
-
DUB
1 stop18h 25m
KLM
Deal found 14/1£380
Sat 28/213:25
DUB
-
SEA
1 stop30h 10m
Multiple Airlines
Sat 7/307:30
SEA
-
DUB
1 stop17h 50m
Multiple Airlines
Deal found 14/1£380
Sun 1/305:55
DUB
-
SEA
1 stop13h 40m
Delta
Tue 31/307:15
SEA
-
DUB
2 stops21h 25m
Delta
Deal found 14/1£381
Thu 21/519:50
DUB
-
SEA
2 stops25h 55m
Scandinavian Airlines
Sun 31/515:55
SEA
-
DUB
2 stops34h 15m
Scandinavian Airlines
Deal found 15/1£385
Mon 23/220:40
DUB
-
SEA
1 stop22h 50m
British Airways
Mon 9/307:21
SEA
-
DUB
2 stops19h 29m
British Airways
Deal found 14/1£363
Sun 1/305:55
DUB
-
SEA
1 stop13h 40m
Delta
Sun 8/307:15
SEA
-
DUB
2 stops22h 25m
Delta
Deal found 14/1£382
Mon 2/320:40
DUB
-
SEA
1 stop22h 50m
British Airways
Sun 15/319:50
SEA
-
DUB
1 stop33h 45m
British Airways
Deal found 15/1£363
Mon 2/305:55
DUB
-
SEA
2 stops19h 05m
Delta
Sun 15/322:25
SEA
-
DUB
1 stop27h 55m
Delta
Deal found 15/1£384
Mon 23/205:55
DUB
-
SEA
2 stops22h 49m
Delta
Mon 9/313:45
SEA
-
DUB
2 stops19h 00m
Delta
Deal found 14/1£385
Mon 9/305:55
DUB
-
SEA
2 stops21h 53m
Delta
Sun 22/322:58
SEA
-
DUB
1 stop26h 47m
Delta
Deal found 14/1£385
Direct flights from Dublin to Seattle
Explore direct flight options from Dublin to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 January 2026.
Fri 27/216:30
DUB
-
SEA
Nonstop9h 50m
Aer Lingus
Fri 6/320:05
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 13/1£374
Fri 22/515:25
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Sun 31/518:55
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 15/1£411
Fri 1/515:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Sun 31/518:55
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 14/1£518
Sun 31/515:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Thu 2/718:55
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 14/1£664
Sun 1/316:30
DUB
-
SEA
Nonstop9h 50m
Aer Lingus
Sun 20/1220:05
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 14/1£734
Fri 27/316:30
DUB
-
SEA
Nonstop9h 50m
Iberia
Wed 8/418:55
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 14/1£811
Fri 27/316:30
DUB
-
SEA
Nonstop9h 50m
Aer Lingus
Wed 8/418:55
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 15/1£815
Fri 27/316:30
DUB
-
SEA
Nonstop9h 50m
Iberia
Fri 10/418:55
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 14/1£958
Fri 10/715:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Mon 20/718:55
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 13/1£962
Sat 27/615:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Fri 31/718:55
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 14/1£983
Last-minute flights from Dublin to Seattle
Discover last-minute flight deals from Dublin to Seattle. Data last updated 16 January 2026 and is based on user searches.
Mon 2/205:55
DUB
-
SEA
1 stop13h 45m
Delta
Tue 17/213:40
SEA
-
DUB
1 stop18h 05m
Delta
Deal found 14/1£410
Wed 11/208:50
DUB
-
SEA
1 stop16h 05m
British Airways
Sun 15/218:50
SEA
-
DUB
1 stop14h 00m
British Airways
Deal found 13/1£364
Mon 23/217:55
DUB
-
SEA
1 stop31h 00m
British Airways
Sun 8/313:37
SEA
-
DUB
2 stops20h 13m
British Airways
Deal found 15/1£363
Mon 23/205:55
DUB
-
SEA
2 stops22h 49m
Delta
Sun 8/309:00
SEA
-
DUB
2 stops20h 40m
Delta
Deal found 15/1£386
Fri 27/216:30
DUB
-
SEA
Nonstop9h 50m
Aer Lingus
Fri 6/320:05
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 13/1£374
Fri 27/205:55
DUB
-
SEA
2 stops22h 51m
Delta
Sun 15/322:58
SEA
-
DUB
1 stop26h 47m
Delta
Deal found 14/1£385
Fri 27/207:00
DUB
-
SEA
1 stop17h 55m
British Airways
Sun 15/319:50
SEA
-
DUB
1 stop33h 45m
British Airways
Deal found 14/1£395
Sat 28/213:25
DUB
-
SEA
1 stop30h 10m
Multiple Airlines
Sat 7/307:30
SEA
-
DUB
1 stop17h 50m
Multiple Airlines
Deal found 14/1£380
One-way flights from Dublin to Seattle
Search for one-way flight options from Dublin to Seattle. Find affordable one-way fares based on user searches. Data last updated 16 January 2026.
Tue 2/610:00
DUB
-
SEA
2 stops35h 08m
WestJet
Deal found 13/1£254
Sat 25/411:30
DUB
-
SEA
2 stops33h 38m
WestJet
Deal found 13/1£324
Sun 24/510:40
DUB
-
SEA
2 stops34h 28m
WestJet
Deal found 13/1£327
Wed 10/609:30
DUB
-
SEA
1 stop22h 09m
Finnair
Deal found 14/1£427
Sun 24/509:30
DUB
-
SEA
1 stop22h 09m
Finnair
Deal found 15/1£431
Thu 9/411:30
DUB
-
SEA
2 stops34h 49m
WestJet
Deal found 13/1£444
Thu 9/710:30
DUB
-
SEA
1 stop15h 55m
British Airways
Deal found 15/1£607
Tue 7/708:50
DUB
-
SEA
3 stops22h 31m
United Airlines
Deal found 15/1£1,063
Cheapflights Fare Finder
Customise your flight search to find flights from Dublin to Seattle 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 858,174 searches. Data last updated 16 January 2026.
Use the filters below to find and compare flights from Dublin to Seattle that are best for you.
Fly from
Dublin
Fly to
Seattle
Route
Depart
Return
Price
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 23/2
20:40-16:55
1 stop28h 15m
Seattle/Tacoma Intl
Sun 8/3
13:37-16:50
2 stops20h 13m
£363
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 23/2
20:40-11:30
1 stop22h 50m
Seattle/Tacoma Intl
Mon 9/3
07:21-09:50
2 stops19h 29m
£363
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 2/3
20:40-11:30
1 stop22h 50m
Seattle/Tacoma Intl
Sun 15/3
19:50-12:35
1 stop33h 45m
£363
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 9/3
17:15-12:35
1 stop26h 20m
Seattle/Tacoma Intl
Sun 22/3
07:20-08:45
1 stop18h 25m
£380
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sat 28/2
13:25-11:35
1 stop30h 10m
Seattle/Tacoma Intl
Sat 7/3
07:30-09:20
1 stop17h 50m
£380
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sun 1/3
05:55-11:35
1 stop13h 40m
Seattle/Tacoma Intl
Tue 31/3
07:15-12:40
2 stops21h 25m
£381
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sun 1/3
05:55-11:35
1 stop13h 40m
Seattle/Tacoma Intl
Sun 8/3
07:15-12:40
2 stops22h 25m
£382
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 2/3
05:55-17:00
2 stops19h 05m
Seattle/Tacoma Intl
Sun 15/3
22:25-09:20
1 stop27h 55m
£384
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Thu 21/5
19:50-13:45
2 stops25h 55m
Seattle/Tacoma Intl
Sun 31/5
15:55-10:10
2 stops34h 15m
£385
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 23/2
05:55-20:44
2 stops22h 49m
Seattle/Tacoma Intl
Mon 9/3
13:45-15:45
2 stops19h 00m
£385
Flights are sorted by cheapest return flights first.
Deals found on 13/1
Showing 1-10 of 19 results
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Best time to book a flight from Dublin to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Dublin with our price prediction graph.
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 Dublin to Seattle
Prices
Delays
More
How far ahead should I book a flight from Dublin to Seattle?
Use this chart to determine the optimal time to book a return flight from Dublin to Seattle. Price data was last updated on 9 January 2026.
Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Dublin to Seattle?
Currently, February is the cheapest month in which you can book a flight from Dublin to Seattle (average of £349). Flying from Dublin to Seattle in July is currently the most expensive (average of £588). 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.
How often are flights from Dublin to Seattle delayed?
About 9% of weekly flights between Dublin and Seattle have experienced delays in the past year, with the average delay time being 159 minutes.
What is the most punctual flight time for Dublin to Seattle flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dublin to Seattle flights?
Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 9% of flights being delayed.
What’s the top stopover airport for flights from Dublin to Seattle?
Share of one-stop return flights from Dublin to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 60% of one-stop itineraries from Dublin to Seattle on Cheapflights.
What’s the cheapest stopover airport for flights from Dublin to Seattle?
Average return fare for one-stop flights from Dublin to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Copenhagen (CPH) is the most affordable one-stop option, with an average return flight price of £571.
What’s the fastest stopover option from Dublin to Seattle?
Shortest average travel time for one-stop one-way flights from Dublin to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 13h 23m.
Which airport typically offers the quickest stopover for flights from Dublin to Seattle?
Average stopover duration for one-stop one-way flights from Dublin to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 54m.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 16 January 2026.
Read through reviews of airlines operating flights from Dublin to Seattle, such as Scandinavian Airlines, American Airlines, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Related info for your journey
Find useful and relevant information for your journey from Dublin to Seattle. 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 Dublin to Seattle flight route?
This flight path from Dublin to Seattle/Tacoma Intl was viewed by 70 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 Dublin to Seattle?
For as low as £380, British Airways can have you in Seattle from Dublin in 26h 20m. There are 4523 mi between Dublin and Seattle. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Dublin to Seattle round-trip?
According to our current data, Scandinavian Airlines (£320), British Airways (£349), and Aer Lingus (£397) offers the cheapest pricing from Dublin to Seattle. You may be able to fly from Dublin to Seattle for 40% less than the average price by searching for these airlines.
What are the most reliable airlines from Dublin to Seattle?
Consider Aer Lingus (91%), American Airlines (91%) or British Airways (91%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Seattle.
What are the cheapest flights from Dublin to Seattle?
Looking for the cheapest flight from Dublin to Seattle? While on average our users pay £579, our data indicates the cheapest price to be £436. The most popular route (Dublin - Seattle/Tacoma Intl), is priced around £720.
Can I find deals for business class flights from Dublin to Seattle?
Yes. Cheapflights offers flight deals from Dublin to Seattle 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 Dublin to Seattle?
Currently, February is the cheapest month in which you can book a flight from Dublin to Seattle (average of £349). Flying from Dublin to Seattle in July is currently the most expensive (average of £588). 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 Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 January 2026.
Discover the top 5 airlines that operate flights from Dublin to Seattle. 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 858,174 searches. Data last updated 16 January 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 Dublin to Seattle?
Deals for Dublin to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Dublin to Seattle?
Cheapflights simply makes it quick and affordable to book flights from Dublin to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Dublin to Seattle with no change fees?
Yes! Cheapflights helps users easily find flights from Dublin to Seattle with no change fees.
Can Cheapflights notify me if prices for flights from Dublin to Seattle 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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