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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 31/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:40 - 11:05SEA  Seattle/Tacoma Intl-DUB Dublin
11h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
16h 25m1 stop Reykjavik Keflavik Intl
€619Icelandair
Sat, 22 Aug - Wed, 26 Aug
Delta Logo
06:05 - 07:55SEA  Seattle/Tacoma Intl-DUB Dublin
17h 50m1 stop Minneapolis St Paul
Delta Logo
15:00 - 10:13DUB  Dublin-SEA Seattle/Tacoma Intl
27h 13m2 stops Boston Logan Intl New York John F Kennedy Intl
€620Delta
Mon, 24 Aug - Fri, 28 Aug
Icelandair Logo
15:35 - 10:15SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 17:00DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
€621Icelandair
Fri, 30 Oct - Mon, 9 Nov
Icelandair Logo
15:40 - 11:05SEA  Seattle/Tacoma Intl-DUB Dublin
11h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
14h 25m1 stop Reykjavik Keflavik Intl
€621Icelandair
Tue, 1 Sep - Thu, 10 Sep
Icelandair Logo
15:40 - 11:05SEA  Seattle/Tacoma Intl-DUB Dublin
11h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:15 - 17:55DUB  Dublin-SEA Seattle/Tacoma Intl
11h 40m1 stop Reykjavik Keflavik Intl
€623Icelandair
Sat, 19 Sep - Thu, 8 Oct
Icelandair Logo
15:40 - 13:15SEA  Seattle/Tacoma Intl-DUB Dublin
13h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-SEA Seattle/Tacoma Intl
13h 40m1 stop Reykjavik Keflavik Intl
€624Icelandair
Fri, 2 Oct - Sun, 11 Oct
Icelandair Logo
15:40 - 13:15SEA  Seattle/Tacoma Intl-DUB Dublin
13h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:15 - 11:45DUB  Dublin-SEA Seattle/Tacoma Intl
29h 30m1 stop Reykjavik Keflavik Intl
€625Icelandair
Wed, 2 Sep - Tue, 8 Sep
Delta Logo
07:15 - 09:15SEA  Seattle/Tacoma Intl-DUB Dublin
18h 00m1 stop New York John F Kennedy Intl
Delta Logo
11:10 - 11:52DUB  Dublin-SEA Seattle/Tacoma Intl
32h 42m1 stop Amsterdam Schiphol
€626Delta
Sun, 20 Sep - Tue, 6 Oct
Icelandair Logo
23:25 - 11:05SEA  Seattle/Tacoma Intl-DUB Dublin
27h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
14h 25m1 stop Reykjavik Keflavik Intl
€627Icelandair
Fri, 21 Aug - Thu, 27 Aug
Multiple Airlines Logo
07:59 - 05:10SEA  Seattle/Tacoma Intl-DUB Dublin
13h 11m1 stop Toronto Pearson Intl
Multiple Airlines Logo
13:20 - 18:45DUB  Dublin-SEA Seattle/Tacoma Intl
37h 25m2 stops Toronto Pearson Intl Calgary
€628Multiple Airlines
Sun, 6 Sep - Tue, 22 Sep

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JetBlue flights from Seattle to Dublin

Our best JetBlue deals on Seattle to Dublin flight tickets
JetBlue
5 Sept
SEA23:40Seattle/Tacoma Intl
24h 40m
1 stop
DUB08:20Dublin
19 Sept
DUB11:30Dublin
17h 14m
1 stop
SEA20:44Seattle/Tacoma Intl
€633
JetBlue
12 Sept
SEA23:42Seattle/Tacoma Intl
24h 38m
1 stop
DUB08:20Dublin
19 Sept
DUB11:30Dublin
17h 14m
1 stop
SEA20:44Seattle/Tacoma Intl
€641
JetBlue
12 Sept
SEA21:40Seattle/Tacoma Intl
27h 20m
1 stop
DUB09:00Dublin
19 Sept
DUB11:30Dublin
17h 14m
1 stop
SEA20:44Seattle/Tacoma Intl
€644

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
22 Aug
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
26 Aug
DUB12:15Dublin
16h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€619
Icelandair
30 Oct
SEA15:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
9 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€621
Icelandair
1 Sept
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
10 Sept
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€621

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 7 August 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

Cheapest return flight

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sat 22/8

15:40-11:05

1 stop11h 25m

Dublin

Wed 26/8

12:15-20:40

1 stop16h 25m

€619

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Mon 24/8

06:05-07:55

1 stop17h 50m

Dublin

Fri 28/8

15:00-10:13

2 stops27h 13m

€620

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Fri 30/10

15:35-10:15

1 stop11h 40m

Dublin

Mon 9/11

11:30-17:00

1 stop13h 30m

€621

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Tue 1/9

15:40-11:05

1 stop11h 25m

Dublin

Thu 10/9

14:15-20:40

1 stop14h 25m

€621
Fastest return journey

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sat 19/9

15:40-11:05

1 stop11h 25m

Dublin

Thu 8/10

14:15-17:55

1 stop11h 40m

€623

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Fri 2/10

15:40-13:15

1 stop13h 35m

Dublin

Sun 11/10

12:15-17:55

1 stop13h 40m

€624

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Wed 2/9

15:40-13:15

1 stop13h 35m

Dublin

Tue 8/9

14:15-11:45

1 stop29h 30m

€625

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sun 20/9

07:15-09:15

1 stop18h 00m

Dublin

Tue 6/10

11:10-11:52

1 stop32h 42m

€626

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Fri 21/8

23:25-11:05

1 stop27h 40m

Dublin

Thu 27/8

14:15-20:40

1 stop14h 25m

€627

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sun 6/9

07:59-05:10

1 stop13h 11m

Dublin

Tue 22/9

13:20-18:45

2 stops37h 25m

€628

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?

Prices are currently typical for flights on this route.

Typical prices usually range from €540 to €927.
The lowest price recently found on this route was €619.

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of February, then book flights to Dublin from Seattle during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €446.

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 from Seattle 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 €614 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 €546 on momondo.

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

There is only 1 cabin class available to choose from on Seattle 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?

No. A direct flight is the cheapest option for a flight between Seattle to Dublin.

How have Seattle to Dublin flight prices changed over time?

As of August 2026, prices for Seattle to Dublin flights are approximately 43% 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 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Dublin

1 airport
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airline offering direct flights is Aer Lingus..
There is 1 airport in Dublin. From Seattle there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Seattle to Dublin

  • 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
Cavan
Wicklow
Dundalk
Swords
Gorey
Naas
Bray
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Portmarnock

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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