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Cheap flights from Seattle to Dublin from €231

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 23/1. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€371Icelandair
Tue, 24 Feb - Tue, 3 Mar
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€377Icelandair
Tue, 27 Jan - Wed, 4 Feb
Icelandair Logo
15:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m1 stop
€381Icelandair
Tue, 17 Mar - Tue, 14 Apr
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€382Icelandair
Tue, 24 Feb - Tue, 3 Mar
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€386Icelandair
Tue, 3 Feb - Tue, 10 Feb
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00
DUB
-
SEA
13h 30m1 stop
€388Icelandair
Mon, 23 Feb - Wed, 11 Mar
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00
DUB
-
SEA
13h 30m1 stop
€390Icelandair
Mon, 23 Feb - Wed, 11 Mar
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€391Icelandair
Mon, 2 Feb - Mon, 9 Feb
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00
DUB
-
SEA
13h 30m1 stop
€393Icelandair
Wed, 4 Mar - Tue, 17 Mar
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€397Icelandair
Tue, 3 Feb - Mon, 9 Feb

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
24 Feb
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
3 Mar
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€371
Find similar
Icelandair
27 Jan
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
4 Feb
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€377
Find similar
Icelandair
17 Mar
SEA15:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
14 Apr
DUB14:15Dublin
11h 40m
1 stop
SEA17:55Seattle/Tacoma Intl
€381
Find similar

United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
8 Apr
SEA08:00Seattle/Tacoma Intl
15h 20m
1 stop
DUB07:20Dublin
15 Apr
DUB09:50Dublin
38h 47m
2 stops
SEA16:37Seattle/Tacoma Intl
€411
Find similar
United Airlines
23 Feb
SEA07:00Seattle/Tacoma Intl
17h 10m
1 stop
DUB08:10Dublin
11 Mar
DUB08:00Dublin
21h 16m
1 stop
SEA22:16Seattle/Tacoma Intl
€415
Find similar
United Airlines
6 May
SEA13:10Seattle/Tacoma Intl
13h 30m
1 stop
DUB10:40Dublin
13 May
DUB09:50Dublin
12h 30m
1 stop
SEA14:20Seattle/Tacoma Intl
€416
Find similar

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 January 2026.
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

Tue 24/2

14:35-10:15

1 stop11h 40m

Dublin

Tue 3/3

11:30-17:00

1 stop13h 30m

€371

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 27/1

14:35-10:15

1 stop11h 40m

Dublin

Wed 4/2

11:30-17:00

1 stop13h 30m

€377

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 17/3

15:35-10:15

1 stop11h 40m

Dublin

Tue 14/4

14:15-17:55

1 stop11h 40m

€381

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 24/2

14:35-10:15

1 stop11h 40m

Dublin

Tue 3/3

11:30-17:00

1 stop13h 30m

€382

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 3/2

14:35-10:15

1 stop11h 40m

Dublin

Tue 10/2

11:30-17:00

1 stop13h 30m

€386

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 23/2

14:35-10:15

1 stop11h 40m

Dublin

Wed 11/3

11:30-18:00

1 stop13h 30m

€388

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 23/2

14:35-10:15

1 stop11h 40m

Dublin

Wed 11/3

11:30-18:00

1 stop13h 30m

€390

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 2/2

14:35-10:15

1 stop11h 40m

Dublin

Mon 9/2

11:30-17:00

1 stop13h 30m

€391

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/3

14:35-10:15

1 stop11h 40m

Dublin

Tue 17/3

11:30-18:00

1 stop13h 30m

€393

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 3/2

14:35-10:15

1 stop11h 40m

Dublin

Mon 9/2

11:30-17:00

1 stop13h 30m

€397

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 November, then book flights to Dublin from Seattle during January instead. Flights to Dublin in January, while not as cheap as those in November, still average around €466.

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 €550 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 €503 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 27% 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 January 2026, prices for Seattle to Dublin flights are approximately 17% 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 05m

Direct flights

Every day

Airports in Dublin

1 airport
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin every day.
There is 1 airport in Dublin. From Seattle there are direct flights to 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 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
Cavan
Dundalk
Tullamore
Naas
Kildare
Enniscorthy
Bray
Mullingar
Carlingford
Gorey
Malahide
Maynooth
Leixlip
Arklow
Castleknock
Drogheda

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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