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Cheap flights from Seattle to Dublin from €250

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 9/3. 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

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Icelandair Logo
15:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
12:15 - 20:45DUB-SEA
16h 30m1 stop
€350Icelandair
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Wed, 18 Mar - Sun, 29 Mar
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
€351Icelandair
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Sun, 11 Jan - Mon, 19 Jan
British Airways Logo
18:50 - 19:40SEA-DUB
16h 50m1 stop
British Airways Logo
08:50 - 16:55DUB-SEA
16h 05m1 stop
€353British Airways
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Mon, 5 Jan - Thu, 15 Jan
British Airways Logo
18:50 - 19:40SEA-DUB
16h 50m1 stop
British Airways Logo
08:50 - 16:55DUB-SEA
16h 05m1 stop
€355British Airways
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Tue, 24 Feb - Tue, 3 Mar
American Airlines Logo
18:50 - 15:40SEA-DUB
12h 50m1 stop
American Airlines Logo
07:35 - 16:55DUB-SEA
17h 20m1 stop
€361American Airlines
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Wed, 25 Feb - Fri, 6 Mar
Aer Lingus Logo
20:05 - 13:10SEA-DUB
9h 05mdirect
Aer Lingus Logo
16:30 - 18:20DUB-SEA
9h 50mdirect
€362Aer Lingus
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Wed, 3 Dec - Fri, 12 Dec
Aer Lingus Logo
20:05 - 13:10SEA-DUB
9h 05mdirect
Aer Lingus Logo
16:30 - 18:20DUB-SEA
9h 50mdirect
€364Aer Lingus
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Mon, 8 Dec - Fri, 12 Dec
American Airlines Logo
18:50 - 17:05SEA-DUB
14h 15m1 stop
American Airlines Logo
11:30 - 22:20DUB-SEA
18h 50m2 stops
€368American Airlines
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Mon, 5 Jan - Thu, 15 Jan
Multiple Airlines Logo
18:50 - 19:45SEA-DUB
16h 55m1 stop
Multiple Airlines Logo
11:30 - 21:47DUB-SEA
18h 17m2 stops
€369Multiple Airlines
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Wed, 7 Jan - Wed, 14 Jan
Multiple Airlines Logo
08:35 - 08:40SEA-DUB
16h 05m2 stops
Multiple Airlines Logo
10:55 - 16:55DUB-SEA
14h 00m1 stop
€378Multiple Airlines
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Wed, 21 Jan - Tue, 24 Feb

KLM flights from Seattle to Dublin

Our best KLM deals on Seattle to Dublin flight tickets
KLM
18 Nov
SEA11:27Seattle/Tacoma Intl
13h 18m
1 stop
DUB08:45Dublin
27 Nov
DUB09:45Dublin
16h 54m
2 stops
SEA18:39Seattle/Tacoma Intl
€380
Find similar
KLM
8 Mar
SEA07:20Seattle/Tacoma Intl
18h 25m
1 stop
DUB08:45Dublin
25 Mar
DUB09:45Dublin
17h 47m
1 stop
SEA20:32Seattle/Tacoma Intl
€397
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KLM
5 Nov
SEA15:00Seattle/Tacoma Intl
23h 10m
1 stop
DUB22:10Dublin
13 Nov
DUB09:45Dublin
18h 51m
1 stop
SEA20:36Seattle/Tacoma Intl
€399
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British Airways flights from Seattle to Dublin

Our best British Airways deals on Seattle to Dublin flight tickets
British Airways
5 Jan
SEA18:50Seattle/Tacoma Intl
16h 50m
1 stop
DUB19:40Dublin
15 Jan
DUB08:50Dublin
16h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
€353
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British Airways
24 Feb
SEA18:50Seattle/Tacoma Intl
16h 50m
1 stop
DUB19:40Dublin
3 Mar
DUB08:50Dublin
16h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
€355
Find similar
British Airways
1 Feb
SEA18:50Seattle/Tacoma Intl
14h 00m
1 stop
DUB16:50Dublin
10 Feb
DUB10:55Dublin
14h 00m
1 stop
SEA16:55Seattle/Tacoma Intl
€356
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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 4 November 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

Wed 18/3

15:35-10:15

1 stop11h 40m

Dublin

Sun 29/3

12:15-20:45

1 stop16h 30m

€350

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 11/1

14:35-10:15

1 stop11h 40m

Dublin

Mon 19/1

11:30-17:00

1 stop13h 30m

€351

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 5/1

18:50-19:40

1 stop16h 50m

Dublin

Thu 15/1

08:50-16:55

1 stop16h 05m

€353

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 24/2

18:50-19:40

1 stop16h 50m

Dublin

Tue 3/3

08:50-16:55

1 stop16h 05m

€355

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 25/2

18:50-15:40

1 stop12h 50m

Dublin

Fri 6/3

07:35-16:55

1 stop17h 20m

€361

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 3/12

20:05-13:10

Nonstop9h 05m

Dublin

Fri 12/12

16:30-18:20

Nonstop9h 50m

€362

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 8/12

20:05-13:10

Nonstop9h 05m

Dublin

Fri 12/12

16:30-18:20

Nonstop9h 50m

€364

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 5/1

18:50-17:05

1 stop14h 15m

Dublin

Thu 15/1

11:30-22:20

2 stops18h 50m

€368

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 7/1

18:50-19:45

1 stop16h 55m

Dublin

Wed 14/1

11:30-21:47

2 stops18h 17m

€369

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 21/1

08:35-08:40

2 stops16h 05m

Dublin

Tue 24/2

10:55-16:55

1 stop14h 00m

€378

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 €442.

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 €573 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 €513 on momondo.

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

There is only 1 cabin class 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.

Can stopping save me money on Seattle to Dublin flights?

You could potentially save up to 25% on your flight if you consider stops on a Seattle to Dublin flight.

How have Seattle to Dublin flight prices changed over time?

As of November 2025, prices for Seattle to Dublin flights are approximately 47% more expensive 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)
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  • How far is Seattle/Tacoma Intl to Dublin by plane?

    The distance between Seattle/Tacoma Intl and Dublin is about 7271.7 km. 9h 05m 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
Dundalk
Cavan
Tullamore
Enniscorthy
Kildare
Bray
Mullingar
Naas
Maynooth
Arklow
Carlingford
Leixlip
Drogheda
Malahide
Castleknock
Gorey

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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