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Cheap flights from Seattle to Dublin from €182

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 16/10. 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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0 bags
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Cheap return flights

Icelandair Logo
15:45 - 11:05SEA-DUB
11h 20m1 stop
Icelandair Logo
12:15 - 20:40DUB-SEA
16h 25m1 stop
€343Icelandair
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Sat, 4 Oct - Fri, 10 Oct
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
12:15 - 21:10DUB-SEA
16h 55m1 stop
€344Icelandair
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Sat, 13 Dec - Wed, 15 Apr
United Airlines Logo
07:00 - 08:10SEA-DUB
17h 10m1 stop
United Airlines Logo
09:00 - 00:59DUB-SEA
23h 59m2 stops
€346United Airlines
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Sun, 9 Nov - Wed, 19 Nov
Air Canada Logo
08:15 - 06:10SEA-DUB
14h 55m1 stop
Air Canada Logo
09:00 - 14:31DUB-SEA
37h 31m2 stops
€348Air Canada
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Sun, 26 Oct - Wed, 12 Nov
United Airlines Logo
08:00 - 09:55SEA-DUB
17h 55m2 stops
United Airlines Logo
09:00 - 00:59DUB-SEA
23h 59m2 stops
€351United Airlines
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Wed, 12 Nov - Wed, 19 Nov
Logo
15:40 - 07:10SEA-DUB
31h 30m2 stops
Logo
05:00 - 12:10DUB-SEA
15h 10m1 stop
€356
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Mon, 10 Nov - Thu, 27 Nov
Logo
07:20 - 08:45SEA-DUB
17h 25m1 stop
Logo
11:30 - 22:08DUB-SEA
18h 38m1 stop
€359
Find Deal
Tue, 24 Feb - Tue, 3 Mar
Delta Logo
09:28 - 07:45SEA-DUB
14h 17m1 stop
Delta Logo
10:00 - 20:24DUB-SEA
18h 24m1 stop
€363Delta
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Tue, 25 Nov - Wed, 15 Apr
Delta Logo
09:28 - 09:20SEA-DUB
15h 52m2 stops
Delta Logo
10:00 - 20:24DUB-SEA
18h 24m1 stop
€367Delta
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Sun, 23 Nov - Wed, 15 Apr
Air Canada Logo
10:00 - 07:45SEA-DUB
13h 45m1 stop
Air Canada Logo
09:20 - 14:16DUB-SEA
12h 56m1 stop
€371Air Canada
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Tue, 14 Oct - Fri, 24 Oct

United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
9 Nov
SEA07:00Seattle/Tacoma Intl
17h 10m
1 stop
DUB08:10Dublin
19 Nov
DUB09:00Dublin
23h 59m
2 stops
SEA00:59Seattle/Tacoma Intl
€346
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United Airlines
12 Nov
SEA08:00Seattle/Tacoma Intl
17h 55m
2 stops
DUB09:55Dublin
19 Nov
DUB09:00Dublin
23h 59m
2 stops
SEA00:59Seattle/Tacoma Intl
€351
Find similar
United Airlines
20 Oct
SEA06:01Seattle/Tacoma Intl
17h 19m
1 stop
DUB07:20Dublin
5 Nov
DUB10:40Dublin
18h 33m
2 stops
SEA21:13Seattle/Tacoma Intl
€351
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Delta flights from Seattle to Dublin

Our best Delta deals on Seattle to Dublin flight tickets
Delta
25 Nov
SEA09:28Seattle/Tacoma Intl
14h 17m
1 stop
DUB07:45Dublin
15 Apr
DUB10:00Dublin
18h 24m
1 stop
SEA20:24Seattle/Tacoma Intl
€363
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Delta
23 Nov
SEA09:28Seattle/Tacoma Intl
15h 52m
2 stops
DUB09:20Dublin
15 Apr
DUB10:00Dublin
18h 24m
1 stop
SEA20:24Seattle/Tacoma Intl
€367
Find similar
Delta
24 Nov
SEA18:05Seattle/Tacoma Intl
29h 40m
1 stop
DUB07:45Dublin
15 Apr
DUB10:00Dublin
21h 26m
1 stop
SEA23:26Seattle/Tacoma Intl
€368
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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 16 September 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

Sat 4/10

15:45-11:05

1 stop11h 20m

Dublin

Fri 10/10

12:15-20:40

1 stop16h 25m

€343

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 13/12

14:35-10:15

1 stop11h 40m

Dublin

Wed 15/4

12:15-21:10

1 stop16h 55m

€344

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 9/11

07:00-08:10

1 stop17h 10m

Dublin

Wed 19/11

09:00-00:59

2 stops23h 59m

€346

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 26/10

08:15-06:10

1 stop14h 55m

Dublin

Wed 12/11

09:00-14:31

2 stops37h 31m

€348

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 12/11

08:00-09:55

2 stops17h 55m

Dublin

Wed 19/11

09:00-00:59

2 stops23h 59m

€351

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 10/11

15:40-07:10

2 stops31h 30m

Dublin

Thu 27/11

05:00-12:10

1 stop15h 10m

€356

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 24/2

07:20-08:45

1 stop17h 25m

Dublin

Tue 3/3

11:30-22:08

1 stop18h 38m

€359

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 25/11

09:28-07:45

1 stop14h 17m

Dublin

Wed 15/4

10:00-20:24

1 stop18h 24m

€363

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 23/11

09:28-09:20

2 stops15h 52m

Dublin

Wed 15/4

10:00-20:24

1 stop18h 24m

€367

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 14/10

10:00-07:45

1 stop13h 45m

Dublin

Fri 24/10

09:20-14:16

1 stop12h 56m

€371

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 €432.

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 €560 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 €494 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.

How have Seattle to Dublin flight prices changed over time?

As of September 2025, prices for Seattle to Dublin flights are approximately 12% 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)
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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
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
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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