This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
11 Oct — 18 Oct1
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 April or May, booked 58 days in advance, depart on a Wednesday or Friday and return on a Wednesday
Cheap flight deals from Dublin to Seattle
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 11 September 2026.
Fri 20/1111:30 -
1 stop13h 30m
Sun 29/1114:35 -
1 stop11h 40m
Deal found 8/9£395
Fri 20/1107:05 -
2 stops17h 55m
Sun 29/1114:35 -
2 stops24h 15m
Deal found 8/9£415
Thu 26/1111:30 -
1 stop13h 30m
Fri 4/1214:35 -
1 stop11h 40m
Deal found 7/9£426
Wed 9/1220:40 -
1 stop22h 45m
Thu 31/1218:45 -
1 stop12h 10m
Deal found 7/9£471
Fri 18/1220:35 -
1 stop22h 50m
Sat 2/118:45 -
1 stop15h 55m
Deal found 10/9£472
Thu 26/1110:50 -
1 stop14h 00m
Fri 4/1209:15 -
2 stops16h 50m
Deal found 6/9£474
Thu 24/906:25 -
2 stops22h 15m
Wed 7/1015:40 -
2 stops19h 15m
Deal found 10/9£513
Sun 1/1111:00 -
1 stop13h 50m
Sat 7/1113:40 -
1 stop12h 15m
Deal found 6/9£514
Tue 13/1015:25 -
Nonstop9h 45m
Thu 22/1019:10 -
Nonstop9h 05m
Deal found 7/9£516
Fri 20/1105:45 -
1 stop14h 02m
Sun 29/1109:40 -
2 stops19h 00m
Deal found 8/9£516
Mon 12/1020:30 -
1 stop23h 05m
Mon 19/1015:14 -
2 stops19h 26m
Deal found 7/9£518
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 11 September 2026.
Thu 14/111:30 -
1 stop13h 30m
Mon 18/114:35 -
1 stop11h 40m
Deal found 10/9£426
Thu 14/108:50 -
1 stop16h 00m
Mon 18/106:00 -
2 stops25h 25m
Deal found 10/9£472
Thu 26/1105:45 -
2 stops19h 13m
Fri 4/1209:18 -
2 stops15h 27m
Deal found 11/9£522
Sat 26/905:55 -
1 stop13h 52m
Sun 4/1013:30 -
1 stop17h 55m
Deal found 6/9£533
Thu 8/1005:55 -
1 stop13h 57m
Thu 15/1007:32 -
2 stops18h 53m
Deal found 8/9£536
Sat 10/1018:45 -
1 stop24h 50m
Fri 23/1020:20 -
1 stop15h 05m
Deal found 9/9£518
Mon 12/1005:55 -
1 stop13h 57m
Fri 23/1009:36 -
2 stops16h 49m
Deal found 6/9£536
Thu 26/1110:50 -
1 stop14h 00m
Fri 4/1218:45 -
2 stops30h 15m
Deal found 9/9£538
Mon 12/1020:30 -
1 stop23h 05m
Fri 23/1020:20 -
1 stop13h 30m
Deal found 6/9£518
Sat 26/905:55 -
2 stops21h 10m
Sun 4/1013:30 -
1 stop17h 55m
Deal found 9/9£538
Fri 18/1220:35 -
1 stop22h 50m
Sun 3/118:45 -
1 stop14h 10m
Deal found 8/9£533
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 11 September 2026.
Tue 13/1015:25 -
Nonstop9h 45m
Thu 22/1019:10 -
Nonstop9h 05m
Deal found 7/9£516
Sat 26/915:25 -
Nonstop9h 45m
Sun 4/1019:10 -
Nonstop9h 05m
Deal found 6/9£524
Sat 10/1015:25 -
Nonstop9h 45m
Fri 23/1019:10 -
Nonstop9h 05m
Deal found 7/9£525
Thu 15/1015:25 -
Nonstop9h 45m
Wed 21/1019:10 -
Nonstop9h 10m
Deal found 7/9£652
Sat 10/1015:25 -
Nonstop9h 45m
Fri 23/1019:10 -
Nonstop9h 05m
Deal found 6/9£653
Sat 26/915:25 -
Nonstop9h 45m
Sun 4/1019:10 -
Nonstop9h 05m
Deal found 9/9£654
Thu 24/915:25 -
Nonstop9h 45m
Wed 7/1019:10 -
Nonstop9h 10m
Deal found 10/9£655
Mon 12/1015:25 -
Nonstop9h 45m
Fri 23/1019:10 -
Nonstop9h 05m
Deal found 7/9£661
Wed 14/1015:25 -
Nonstop9h 45m
Sat 24/1019:10 -
Nonstop9h 05m
Deal found 7/9£665
Last-minute flights from Dublin to Seattle
Discover last-minute flight deals from Dublin to Seattle. Data last updated 11 September 2026 and is based on user searches.
Thu 24/906:25 -
2 stops22h 15m
Wed 7/1015:40 -
2 stops19h 15m
Deal found 10/9£513
Sat 26/915:25 -
Nonstop9h 45m
Sun 4/1019:10 -
Nonstop9h 05m
Deal found 6/9£524
Sat 10/1018:45 -
1 stop24h 50m
Fri 23/1020:20 -
1 stop15h 05m
Deal found 10/9£519
Sat 10/1015:25 -
Nonstop9h 45m
Fri 23/1019:10 -
Nonstop9h 05m
Deal found 7/9£525
Mon 12/1020:30 -
1 stop23h 05m
Mon 19/1015:14 -
2 stops19h 26m
Deal found 7/9£518
Mon 12/1020:30 -
1 stop23h 05m
Sun 25/1008:24 -
2 stops20h 46m
Deal found 7/9£522
Tue 13/1015:25 -
Nonstop9h 45m
Thu 22/1019:10 -
Nonstop9h 05m
Deal found 7/9£516
Wed 14/1010:30 -
2 stops17h 45m
Sat 24/1008:24 -
2 stops18h 31m
Deal found 7/9£525
Thu 15/1008:35 -
2 stops19h 40m
Fri 23/1020:20 -
1 stop30h 35m
Deal found 7/9£522
Mon 26/1009:45 -
2 stops21h 51m
Mon 2/1118:45 -
1 stop14h 20m
Deal found 11/9£519
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 11 September 2026.
Tue 10/1105:45 -
1 stop14h 02m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/9£310
Sat 21/1105:45 -
1 stop14h 02m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£310
Tue 3/1111:00 -
1 stop13h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£361
Sat 31/1017:55 -
1 stop30h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£367
Wed 28/1009:00 -
1 stop34h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£397
Sat 24/1011:30 -
1 stop17h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£473
Tue 27/1008:50 -
1 stop16h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£494
Fri 30/1012:05 -
3 stops38h 12m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£1,104
Sun 18/1011:35 -
3 stops41h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£1,107
Mon 26/1010:40 -
3 stops34h 59m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£1,113
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 11 September 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 7,457,451 searches. Data last updated 11 September 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 Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Mon 15/2
05:45-11:47
1 stop14h 02m
Seattle/Tacoma Intl
Wed 31/12
00:00-09:00
Nonstop0h 00m
£310
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Tue 10/11
08:50-23:57
2 stops23h 07m
Seattle/Tacoma Intl
Wed 31/12
00:00-09:00
Nonstop0h 00m
£314
Fastest return journey
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Tue 17/11
11:00-16:50
1 stop13h 50m
Seattle/Tacoma Intl
Wed 31/12
00:00-09:00
Nonstop0h 00m
£361
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Mon 16/11
10:50-11:25
1 stop32h 35m
Seattle/Tacoma Intl
Wed 31/12
00:00-09:00
Nonstop0h 00m
£367
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Fri 20/11
15:50-16:50
1 stop33h 00m
Seattle/Tacoma Intl
Wed 31/12
00:00-09:00
Nonstop0h 00m
£367
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Thu 14/1
11:30-17:00
1 stop13h 30m
Seattle/Tacoma Intl
Mon 18/1
14:35-10:15
1 stop11h 40m
£426
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Thu 14/1
08:50-16:50
1 stop16h 00m
Seattle/Tacoma Intl
Mon 18/1
06:00-15:25
2 stops25h 25m
£472
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Sat 10/10
18:45-11:35
1 stop24h 50m
Seattle/Tacoma Intl
Fri 23/10
20:20-19:25
1 stop15h 05m
£518
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Mon 12/10
20:30-11:35
1 stop23h 05m
Seattle/Tacoma Intl
Fri 23/10
20:20-17:50
1 stop13h 30m
£518
DublinSeattle
DUB Dublin - SEA Seattle/Tacoma Intl
DUBSEA
Dublin
Thu 26/11
05:45-16:58
2 stops19h 13m
Seattle/Tacoma Intl
Fri 4/12
09:18-08:45
2 stops15h 27m
£522
Flights are sorted by cheapest return flights first.
Deals found on 10/9
Showing 1-10 of 21 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
Airlines
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, April is the cheapest month in which you can book a flight from Dublin to Seattle (average of £446). Flying from Dublin to Seattle in July is currently the most expensive (average of £769). 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 11 September 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?
Airfare is below average for this route at the moment.
Dublin to Seattle flights typically cost between £485 and £703 in November.The cheapest return price found within the last 5 days was £395 on Icelandair (20 Nov–29 Nov).
Weekly flight availability from Dublin to Seattle
Explore weekly flight availability from Dublin to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 September 2026.
The most flights from DUB to SEA are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from Dublin to Seattle delayed?
About 11% of weekly flights between Dublin and Seattle have experienced delays in the past year, with the average delay time being 166 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 11% 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.
London (LHR) – chosen by Cheapflights users on 64% 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 £517.
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: 12h 17m.
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 Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 49m.
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 11 September 2026.
Read through reviews of airlines operating flights from Dublin to Seattle, such as Aer Lingus,Icelandair, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
I had a great experience. Crew was great and very accommodating.
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 13h 05m for a nonstop flight. There are 4 flights from Dublin to Seattle per day from 3 airlines.
How popular is this Dublin to Seattle flight route?
This flight path from Dublin to Seattle/Tacoma Intl was viewed by 33 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 £426, Icelandair can have you in Seattle from Dublin in 13h 30m. 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, Icelandair (£339), British Airways (£365), and Aer Lingus (£406) offers the cheapest pricing from Dublin to Seattle. You may be able to fly from Dublin to Seattle for 39% less than the average price by searching for these airlines.
What are the most reliable airlines from Dublin to Seattle?
Consider American Airlines (78%), Aer Lingus (78%) or Iberia (78%) 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 £2,162, our data indicates the cheapest price to be £2,037. The most popular route (Dublin - Seattle/Tacoma Intl), is priced around £521.
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, April is the cheapest month in which you can book a flight from Dublin to Seattle (average of £446). Flying from Dublin to Seattle in July is currently the most expensive (average of £769). 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.
Browse through other flights departing from Dublin. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2026.
Discover the top 3 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 7,457,451 searches. Data last updated 11 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 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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