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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
9 Jul — 16 Jul1
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 November or April, booked 58 days in advance, depart on a Monday or Friday and return on a Monday
Cheap flight deals from Dublin to Seattle
Enter your travel dates to find the best prices.
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Cheapest flights from Dublin to Seattle
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 9 June 2026.
Mon 14/910:40
DUB
-
SEA
1 stop19h 58m
JetBlue
Sun 20/923:55
SEA
-
DUB
1 stop24h 25m
JetBlue
Deal found 6/6£453
Sat 5/920:00
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Sun 4/1015:55
SEA
-
DUB
1 stop18h 25m
Scandinavian Airlines
Deal found 8/6£456
Sat 19/920:00
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Tue 29/915:55
SEA
-
DUB
1 stop18h 25m
Scandinavian Airlines
Deal found 8/6£460
Sat 26/920:00
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Sun 4/1015:55
SEA
-
DUB
1 stop18h 25m
Scandinavian Airlines
Deal found 8/6£461
Mon 14/919:05
DUB
-
SEA
1 stop26h 40m
Scandinavian Airlines
Sun 20/915:55
SEA
-
DUB
2 stops19h 10m
Scandinavian Airlines
Deal found 6/6£466
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 9 June 2026.
Sat 26/920:00
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Sun 4/1015:55
SEA
-
DUB
2 stops34h 15m
Scandinavian Airlines
Deal found 4/6£467
Sat 10/1014:15
DUB
-
SEA
1 stop14h 25m
Icelandair
Fri 23/1015:40
SEA
-
DUB
1 stop13h 35m
Icelandair
Deal found 9/6£498
Sat 19/920:00
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Tue 29/915:55
SEA
-
DUB
1 stop18h 25m
Scandinavian Airlines
Deal found 5/6£477
Sat 26/914:15
DUB
-
SEA
1 stop14h 25m
Icelandair
Sun 4/1015:40
SEA
-
DUB
1 stop13h 35m
Icelandair
Deal found 7/6£504
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 9 June 2026.
Sat 5/915:25
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Sun 4/1019:10
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 8/6£604
Mon 31/815:25
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Mon 21/919:10
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 8/6£605
Tue 25/815:25
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Fri 4/919:10
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 8/6£606
Sat 10/1015:25
DUB
-
SEA
Nonstop9h 45m
American Airlines
Fri 23/1019:10
SEA
-
DUB
Nonstop9h 05m
American Airlines
Deal found 9/6£723
Sun 23/815:25
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Fri 4/919:10
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 8/6£723
Mon 14/915:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Sun 20/919:10
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 6/6£726
Sat 26/915:25
DUB
-
SEA
Nonstop9h 45m
American Airlines
Sun 4/1019:10
SEA
-
DUB
Nonstop9h 05m
American Airlines
Deal found 5/6£727
Sat 26/915:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Sun 4/1019:10
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 4/6£728
Fri 19/615:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Thu 2/719:10
SEA
-
DUB
Nonstop9h 05m
Iberia
Deal found 7/6£730
Wed 26/815:25
DUB
-
SEA
Nonstop9h 45m
Iberia
Wed 2/919:10
SEA
-
DUB
Nonstop9h 10m
Iberia
Deal found 8/6£747
Fri 19/615:25
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Wed 1/719:10
SEA
-
DUB
Nonstop9h 10m
Aer Lingus
Deal found 7/6£833
Fri 28/815:25
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Fri 4/919:10
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Deal found 8/6£837
Last-minute flights from Dublin to Seattle
Discover last-minute flight deals from Dublin to Seattle. Data last updated 9 June 2026 and is based on user searches.
Mon 15/614:15
DUB
-
SEA
1 stop11h 40m
Icelandair
Mon 29/623:25
SEA
-
DUB
1 stop27h 40m
Icelandair
Deal found 7/6£489
Mon 15/614:15
DUB
-
SEA
1 stop11h 40m
Icelandair
Tue 30/615:40
SEA
-
DUB
1 stop11h 25m
Icelandair
Deal found 7/6£505
Mon 15/619:05
DUB
-
SEA
1 stop26h 40m
Scandinavian Airlines
Sun 28/615:55
SEA
-
DUB
1 stop19h 30m
Scandinavian Airlines
Deal found 7/6£552
Tue 16/614:15
DUB
-
SEA
1 stop11h 40m
Icelandair
Tue 30/615:40
SEA
-
DUB
1 stop11h 25m
Icelandair
Deal found 7/6£482
Tue 16/614:15
DUB
-
SEA
1 stop11h 40m
Icelandair
Sat 27/623:25
SEA
-
DUB
1 stop29h 50m
Icelandair
Deal found 7/6£507
Wed 17/612:15
DUB
-
SEA
1 stop13h 40m
Icelandair
Tue 30/615:40
SEA
-
DUB
1 stop11h 25m
Icelandair
Deal found 7/6£508
Thu 18/614:15
DUB
-
SEA
1 stop11h 40m
Icelandair
Mon 29/623:25
SEA
-
DUB
1 stop27h 40m
Icelandair
Deal found 7/6£510
Thu 18/619:05
DUB
-
SEA
1 stop26h 40m
Scandinavian Airlines
Fri 3/715:55
SEA
-
DUB
2 stops33h 20m
Scandinavian Airlines
Deal found 6/6£547
Thu 18/619:05
DUB
-
SEA
1 stop26h 40m
Scandinavian Airlines
Tue 23/615:55
SEA
-
DUB
2 stops20h 20m
Scandinavian Airlines
Deal found 5/6£549
Wed 24/610:40
DUB
-
SEA
1 stop20h 09m
JetBlue
Sun 28/611:45
SEA
-
DUB
1 stop12h 35m
JetBlue
Deal found 6/6£558
Thu 9/714:15
DUB
-
SEA
1 stop14h 25m
Icelandair
Thu 16/715:40
SEA
-
DUB
1 stop11h 25m
Icelandair
Deal found 9/6£511
Thu 9/708:40
DUB
-
SEA
2 stops35h 05m
Multiple Airlines
Thu 16/715:40
SEA
-
DUB
2 stops23h 10m
Multiple Airlines
Deal found 9/6£538
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 9 June 2026.
Sat 25/710:40
DUB
-
SEA
1 stop31h 53m
JetBlue
Deal found 5/6£340
Mon 13/710:40
DUB
-
SEA
1 stop20h 14m
JetBlue
Deal found 5/6£346
Thu 9/710:00
DUB
-
SEA
3 stops31h 40m
WestJet
Deal found 5/6£370
Fri 24/719:05
DUB
-
SEA
3 stops46h 35m
Multiple Airlines
Deal found 5/6£390
Fri 23/1006:30
DUB
-
SEA
1 stop13h 05m
Aer Lingus
Deal found 8/6£400
Thu 9/710:40
DUB
-
SEA
1 stop31h 53m
JetBlue
Deal found 5/6£409
Sun 26/710:40
DUB
-
SEA
1 stop20h 14m
JetBlue
Deal found 5/6£414
Sun 12/710:40
DUB
-
SEA
1 stop20h 14m
JetBlue
Deal found 5/6£414
Sat 25/709:40
DUB
-
SEA
2 stops32h 00m
WestJet
Deal found 5/6£444
Thu 22/1011:10
DUB
-
SEA
1 stop15h 15m
Aer Lingus
Deal found 8/6£450
Find 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 9 June 2026.
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 9 June 2026.
Use the filters below to find and compare flights from Dublin to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sat 26/9
20:00-13:45
2 stops25h 45m
Seattle/Tacoma Intl
Sun 4/10
15:55-10:10
2 stops34h 15m
£467
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sat 19/9
20:00-13:45
2 stops25h 45m
Seattle/Tacoma Intl
Tue 29/9
15:55-18:20
1 stop18h 25m
£477
Fastest return journey
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sat 10/10
14:15-20:40
1 stop14h 25m
Seattle/Tacoma Intl
Fri 23/10
15:40-13:15
1 stop13h 35m
£498
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sat 26/9
14:15-20:40
1 stop14h 25m
Seattle/Tacoma Intl
Sun 4/10
15:40-13:15
1 stop13h 35m
£504
Cheapest one-way
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Fri 23/10
06:30-11:35
1 stop13h 05m
£400
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sun 26/7
10:40-22:54
1 stop20h 14m
£414
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Fri 24/7
13:00-09:40
1 stop28h 40m
£517
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sat 21/11
10:55-16:55
1 stop14h 00m
£518
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Fri 20/11
08:50-16:55
1 stop16h 05m
£518
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sun 26/7
13:00-21:00
1 stop16h 00m
£537
Flights are sorted by cheapest return flights first.
Deals found on 8/6
Showing 1-10 of 14 resultsSorted by cheapest first
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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.
DUB-SEA
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?
Booking 57 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, November is the cheapest month in which you can book a flight from Dublin to Seattle (average of £419). Flying from Dublin to Seattle in July is currently the most expensive (average of £775). 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 DUB to SEA?
Find hourly flight availability from Dublin to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 June 2026.
When flying from Dublin to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Dublin to Seattle?
How often are flights from Dublin to Seattle delayed?
About 10% of weekly flights between Dublin and Seattle have experienced delays in the past year, with the average delay time being 168 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 10% 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 48% 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.
Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £531.
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 Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 13h 00m.
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 9 June 2026.
Read through reviews of airlines operating flights from Dublin to Seattle, such as Scandinavian Airlines,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food menu was bad, I like how smooth flight it was.
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.
What airports do I use to fly from Dublin to Seattle?
If you book a flight from Dublin to Seattle, you will be flying from Dublin to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Dublin (DUB) take 9h 45m for a nonstop flight. There are 3 flights from Dublin to Seattle per day from 5 airlines.
How popular is this Dublin to Seattle flight route?
This flight path from Dublin to Seattle/Tacoma Intl was viewed by 40 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 £467, Scandinavian Airlines can have you in Seattle from Dublin in 25h 45m. There are 4523 mi between Dublin and Seattle.
What are the cheapest airlines flying from Dublin to Seattle round-trip?
According to our current data, Scandinavian Airlines (£322), Icelandair (£346), and British Airways (£370) 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 American Airlines (81%), Aer Lingus (81%) or Iberia (81%) 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 £581, our data indicates the cheapest price to be £437. The most popular route (Dublin - Seattle/Tacoma Intl), is priced around £647.
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, November is the cheapest month in which you can book a flight from Dublin to Seattle (average of £419). Flying from Dublin to Seattle in July is currently the most expensive (average of £775). 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.
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 9 June 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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