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Cheap flights from Seattle to Dublin from €219

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dublin departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
€322Icelandair
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Sun, 2 Nov - Sat, 15 Nov
Icelandair Logo
15:45 - 11:05SEA-DUB
11h 20m1 stop
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
€324Icelandair
Find Deal
Thu, 16 Oct - Sat, 15 Nov
Aer Lingus Logo
19:35 - 12:35SEA-DUB
9h 00mdirect
Aer Lingus Logo
16:10 - 17:50DUB-SEA
9h 40mdirect
€325Aer Lingus
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Sun, 7 Sep - Tue, 23 Sep
Aer Lingus Logo
19:35 - 12:40SEA-DUB
9h 05mdirect
Aer Lingus Logo
16:10 - 17:50DUB-SEA
9h 40mdirect
€331Aer Lingus
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Mon, 1 Sep - Tue, 16 Sep
Scandinavian Airlines Logo
16:20 - 18:15SEA-DUB
17h 55m1 stop
Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
€343Scandinavian Airlines
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Sun, 19 Oct - Thu, 23 Oct
British Airways Logo
18:50 - 17:00SEA-DUB
14h 10m1 stop
British Airways Logo
10:20 - 16:55DUB-SEA
14h 35m1 stop
€364British Airways
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Tue, 4 Nov - Wed, 12 Nov
British Airways Logo
18:50 - 17:05SEA-DUB
14h 15m1 stop
British Airways Logo
08:50 - 16:55DUB-SEA
16h 05m1 stop
€365British Airways
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Mon, 24 Nov - Wed, 3 Dec
Scandinavian Airlines Logo
16:20 - 10:55SEA-DUB
34h 35m2 stops
Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
€368Scandinavian Airlines
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Sun, 19 Oct - Thu, 23 Oct
Delta Logo
23:35 - 07:45SEA-DUB
24h 10m1 stop
Delta Logo
09:45 - 17:14DUB-SEA
15h 29m1 stop
€372Delta
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Sat, 15 Nov - Tue, 16 Dec
Delta Logo
21:59 - 08:45SEA-DUB
27h 46m1 stop
Delta Logo
10:45 - 22:22DUB-SEA
19h 37m1 stop
€377Delta
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Sat, 1 Nov - Thu, 6 Nov

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
2 Nov
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
15 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€322
Find similar
Icelandair
16 Oct
SEA15:45Seattle/Tacoma Intl
11h 20m
1 stop
DUB11:05Dublin
15 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€324
Find similar
Icelandair
14 Nov
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
19 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€326
Find similar

Aer Lingus flights from Seattle to Dublin

Our best Aer Lingus deals on Seattle to Dublin flight tickets
Aer Lingus
7 Sept
SEA19:35Seattle/Tacoma Intl
9h 00m
DUB12:35Dublin
23 Sept
DUB16:10Dublin
9h 40m
SEA17:50Seattle/Tacoma Intl
€325
Find similar
Aer Lingus
1 Sept
SEA19:35Seattle/Tacoma Intl
9h 05m
DUB12:40Dublin
16 Sept
DUB16:10Dublin
9h 40m
SEA17:50Seattle/Tacoma Intl
€331
Find similar
Aer Lingus
16 Sept
SEA19:35Seattle/Tacoma Intl
9h 05m
DUB12:40Dublin
23 Sept
DUB16:10Dublin
9h 40m
SEA17:50Seattle/Tacoma Intl
€334
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momondo Fare Finder

 
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, momondo users made 13,528 searches. Data last updated 22 August 2025.
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

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 2/11

14:35-10:15

1 stop11h 40m

Dublin

Sat 15/11

11:30-17:00

1 stop13h 30m

€322

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 16/10

15:45-11:05

1 stop11h 20m

Dublin

Sat 15/11

11:30-17:00

1 stop13h 30m

€324

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 7/9

19:35-12:35

Nonstop9h 00m

Dublin

Tue 23/9

16:10-17:50

Nonstop9h 40m

€325

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 1/9

19:35-12:40

Nonstop9h 05m

Dublin

Tue 16/9

16:10-17:50

Nonstop9h 40m

€331

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 19/10

16:20-18:15

1 stop17h 55m

Dublin

Thu 23/10

19:05-14:00

1 stop26h 55m

€343

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 4/11

18:50-17:00

1 stop14h 10m

Dublin

Wed 12/11

10:20-16:55

1 stop14h 35m

€364

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 24/11

18:50-17:05

1 stop14h 15m

Dublin

Wed 3/12

08:50-16:55

1 stop16h 05m

€365

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 19/10

16:20-10:55

2 stops34h 35m

Dublin

Thu 23/10

19:05-14:00

1 stop26h 55m

€368

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 15/11

23:35-07:45

1 stop24h 10m

Dublin

Tue 16/12

09:45-17:14

1 stop15h 29m

€372

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 1/11

21:59-08:45

1 stop27h 46m

Dublin

Thu 6/11

10:45-22:22

1 stop19h 37m

€377

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Seattle to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Seattle during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €439.

What is the cheapest Seattle/Tacoma Intl to Dublin flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €566 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Seattle for as low as €490 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Dublin flights?

There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Dublin flight prices changed over time?

As of August 2025, prices for Seattle to Dublin flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Dublin (SEA to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Dublin

Fastest flight time

9h 00m

Direct flights

Every day

Airports in Dublin

1 airport
The fastest flight from Seattle to Dublin takes 9h 00m
Direct flights go from Seattle to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • How far is Seattle/Tacoma Intl to Dublin by plane?

    The distance between Seattle/Tacoma Intl and Dublin is about 7271.7 km. 9h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Dublin Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Dublin Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dublin Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Dublin?

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Swords
Cavan
Dundalk
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Arklow
Maynooth
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
Leixlip

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Dublin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Dublin for you.

Can I find flights from Seattle to Dublin with flexible booking policies on momondo?

All flight searches from Seattle to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Dublin?

Once all potential Seattle to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Dublin right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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