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Cheap flights from Seattle to Dublin from €243

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 9/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00DUB-SEA
13h 30m1 stop
€360Icelandair
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Wed, 4 Mar - Thu, 12 Mar
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00DUB-SEA
13h 30m1 stop
€369Icelandair
Find Deal
Wed, 4 Mar - Mon, 9 Mar
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00DUB-SEA
13h 30m1 stop
€370Icelandair
Find Deal
Wed, 4 Mar - Fri, 13 Mar
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00DUB-SEA
13h 30m1 stop
€371Icelandair
Find Deal
Mon, 2 Mar - Mon, 16 Mar
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
€372Icelandair
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Tue, 6 Jan - Sat, 17 Jan
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:25DUB-SEA
13h 55m1 stop
€373Icelandair
Find Deal
Thu, 26 Feb - Sat, 14 Mar
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 18:00DUB-SEA
13h 30m1 stop
€373Icelandair
Find Deal
Wed, 4 Mar - Mon, 16 Mar
Icelandair Logo
19:00 - 11:05SEA-DUB
32h 05m1 stop
Icelandair Logo
12:15 - 17:50DUB-SEA
13h 35m1 stop
€374Icelandair
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Wed, 15 Apr - Wed, 6 May
Multiple Airlines Logo
12:35 - 17:45SEA-DUB
21h 10m2 stops
Multiple Airlines Logo
05:00 - 12:10DUB-SEA
15h 10m1 stop
€375Multiple Airlines
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Wed, 7 Jan - Thu, 15 Jan
Icelandair Logo
15:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
12:15 - 20:45DUB-SEA
16h 30m1 stop
€379Icelandair
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Tue, 24 Mar - Wed, 1 Apr

Aer Lingus flights from Seattle to Dublin

Our best Aer Lingus deals on Seattle to Dublin flight tickets
Aer Lingus
4 Mar
SEA20:05Seattle/Tacoma Intl
9h 05m
DUB13:10Dublin
11 Mar
DUB16:30Dublin
9h 50m
SEA19:20Seattle/Tacoma Intl
€407
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Aer Lingus
26 Nov
SEA20:05Seattle/Tacoma Intl
9h 05m
DUB13:10Dublin
15 Apr
DUB15:20Dublin
9h 39m
SEA16:59Seattle/Tacoma Intl
€519
Find similar
Aer Lingus
8 Dec
SEA20:05Seattle/Tacoma Intl
9h 05m
DUB13:10Dublin
12 Dec
DUB16:30Dublin
9h 50m
SEA18:20Seattle/Tacoma Intl
€524
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Air Canada flights from Seattle to Dublin

Our best Air Canada deals on Seattle to Dublin flight tickets
Air Canada
3 Mar
SEA05:50Seattle/Tacoma Intl
17h 20m
2 stops
DUB07:10Dublin
11 Mar
DUB08:00Dublin
32h 31m
2 stops
SEA09:31Seattle/Tacoma Intl
€408
Find similar
Air Canada
6 Dec
SEA15:40Seattle/Tacoma Intl
31h 30m
2 stops
DUB07:10Dublin
14 Dec
DUB09:00Dublin
21h 16m
1 stop
SEA22:16Seattle/Tacoma Intl
€538
Find similar
Air Canada
30 Nov
SEA08:10Seattle/Tacoma Intl
15h 00m
1 stop
DUB07:10Dublin
10 Dec
DUB09:00Dublin
21h 16m
1 stop
SEA22:16Seattle/Tacoma Intl
€555
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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 24 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 4/3

14:35-10:15

1 stop11h 40m

Dublin

Thu 12/3

11:30-18:00

1 stop13h 30m

€360

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/3

14:35-10:15

1 stop11h 40m

Dublin

Mon 9/3

11:30-18:00

1 stop13h 30m

€369

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/3

14:35-10:15

1 stop11h 40m

Dublin

Fri 13/3

11:30-18:00

1 stop13h 30m

€370

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 2/3

14:35-10:15

1 stop11h 40m

Dublin

Mon 16/3

11:30-18:00

1 stop13h 30m

€371

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 6/1

14:35-10:15

1 stop11h 40m

Dublin

Sat 17/1

11:30-17:00

1 stop13h 30m

€372

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 26/2

14:35-10:15

1 stop11h 40m

Dublin

Sat 14/3

11:30-18:25

1 stop13h 55m

€373

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/3

14:35-10:15

1 stop11h 40m

Dublin

Mon 16/3

11:30-18:00

1 stop13h 30m

€373

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 15/4

19:00-11:05

1 stop32h 05m

Dublin

Wed 6/5

12:15-17:50

1 stop13h 35m

€374

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 7/1

12:35-17:45

2 stops21h 10m

Dublin

Thu 15/1

05:00-12:10

1 stop15h 10m

€375

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 24/3

15:35-10:15

1 stop11h 40m

Dublin

Wed 1/4

12:15-20:45

1 stop16h 30m

€379

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 typical price of a round-trip flight between Seattle and Dublin?

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 €452.

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 €571 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 €505 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 42% 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)
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
Enniscorthy
Kildare
Bray
Mullingar
Naas
Arklow
Carlingford
Maynooth
Leixlip
Drogheda
Gorey
Malahide
Castleknock

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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