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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 21/8. 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
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Find the cheapest flights from Seattle to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:10 - 12:20
SEA
-
DUB
9h 10mdirect
Multiple Airlines Logo
13:20 - 21:04
DUB
-
SEA
15h 44m
1 stop
€789Multiple Airlines
Wed, 19 Aug - Fri, 11 Sep
United Airlines Logo
08:30 - 09:55
SEA
-
DUB
17h 25m
2 stops
United Airlines Logo
09:00 - 18:59
DUB
-
SEA
17h 59m
2 stops
€794United Airlines
Wed, 4 Nov - Sat, 14 Nov
Multiple Airlines Logo
23:44 - 10:00
SEA
-
DUB
26h 16m
2 stops
Multiple Airlines Logo
13:00 - 18:45
DUB
-
SEA
13h 45m
1 stop
€799Multiple Airlines
Wed, 26 Aug - Sun, 6 Sep
Multiple Airlines Logo
13:30 - 20:55
SEA
-
DUB
23h 25m
1 stop
Multiple Airlines Logo
13:20 - 18:45
DUB
-
SEA
37h 25m
2 stops
€800Multiple Airlines
Wed, 5 Aug - Wed, 19 Aug
Aer Lingus Logo
19:10 - 12:20
SEA
-
DUB
9h 10mdirect
Aer Lingus Logo
15:25 - 17:10
DUB
-
SEA
9h 45mdirect
€800Aer Lingus
Wed, 2 Sep - Tue, 15 Sep
Multiple Airlines Logo
19:10 - 12:15
SEA
-
DUB
9h 05mdirect
Multiple Airlines Logo
14:15 - 21:00
DUB
-
SEA
38h 45m
3 stops
€801Multiple Airlines
Tue, 7 Jul - Wed, 22 Jul
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m
1 stop
€802Icelandair
Sat, 29 Aug - Tue, 8 Sep
Icelandair Logo
23:25 - 11:05
SEA
-
DUB
27h 40m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
SEA
13h 40m
1 stop
€803Icelandair
Wed, 26 Aug - Fri, 4 Sep
Multiple Airlines Logo
13:30 - 08:20
SEA
-
DUB
34h 50m
3 stops
Multiple Airlines Logo
09:45 - 11:15
DUB
-
SEA
33h 30m
3 stops
€805Multiple Airlines
Sun, 5 Jul - Tue, 21 Jul
KLM Logo
09:53 - 10:00
SEA
-
DUB
16h 07m
1 stop
KLM Logo
05:55 - 16:27
DUB
-
SEA
18h 32m
1 stop
€806KLM
Sat, 22 Aug - Mon, 31 Aug

Delta flights from Seattle to Dublin

Our best Delta deals on Seattle to Dublin flight tickets
Delta
10 Oct
SEA23:05Seattle/Tacoma Intl
27h 40m
2 stops
DUB10:45Dublin
19 Oct
DUB13:25Dublin
30h 27m
1 stop
SEA11:52Seattle/Tacoma Intl
€831
Delta
10 Oct
SEA21:55Seattle/Tacoma Intl
28h 50m
2 stops
DUB10:45Dublin
19 Oct
DUB13:25Dublin
30h 27m
1 stop
SEA11:52Seattle/Tacoma Intl
€837
Delta
14 Sept
SEA11:20Seattle/Tacoma Intl
14h 40m
1 stop
DUB10:00Dublin
24 Sept
DUB12:00Dublin
16h 16m
1 stop
SEA20:16Seattle/Tacoma Intl
€839

JetBlue flights from Seattle to Dublin

Our best JetBlue deals on Seattle to Dublin flight tickets
JetBlue
8 Jul
SEA11:45Seattle/Tacoma Intl
12h 35m
1 stop
DUB08:20Dublin
20 Jul
DUB10:40Dublin
20h 14m
1 stop
SEA22:54Seattle/Tacoma Intl
€809
JetBlue
21 Jul
SEA22:19Seattle/Tacoma Intl
26h 41m
1 stop
DUB09:00Dublin
29 Jul
DUB10:40Dublin
20h 14m
1 stop
SEA22:54Seattle/Tacoma Intl
€814
JetBlue
7 Jul
SEA22:19Seattle/Tacoma Intl
26h 41m
1 stop
DUB09:00Dublin
20 Jul
DUB10:40Dublin
20h 14m
1 stop
SEA22:54Seattle/Tacoma Intl
€815

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 5 June 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 - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/8

19:10-12:20

Nonstop9h 10m

Dublin

Fri 11/9

13:20-21:04

1 stop15h 44m

€789

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/11

08:30-09:55

2 stops17h 25m

Dublin

Sat 14/11

09:00-18:59

2 stops17h 59m

€794

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 26/8

23:44-10:00

2 stops26h 16m

Dublin

Sun 6/9

13:00-18:45

1 stop13h 45m

€799

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 5/8

13:30-20:55

1 stop23h 25m

Dublin

Wed 19/8

13:20-18:45

2 stops37h 25m

€800
Fastest return journey

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 2/9

19:10-12:20

Nonstop9h 10m

Dublin

Tue 15/9

15:25-17:10

Nonstop9h 45m

€800

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 7/7

19:10-12:15

Nonstop9h 05m

Dublin

Wed 22/7

14:15-21:00

3 stops38h 45m

€801

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 29/8

15:40-11:05

1 stop11h 25m

Dublin

Tue 8/9

14:15-17:55

1 stop11h 40m

€802

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 26/8

23:25-11:05

1 stop27h 40m

Dublin

Fri 4/9

12:15-17:55

1 stop13h 40m

€803

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 5/7

13:30-08:20

3 stops34h 50m

Dublin

Tue 21/7

09:45-11:15

3 stops33h 30m

€805

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 22/8

09:53-10:00

1 stop16h 07m

Dublin

Mon 31/8

05:55-16:27

1 stop18h 32m

€806

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 February, then book flights to Dublin from Seattle during November instead. Flights to Dublin in November, while not as cheap as those in February, still average around €403.

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 €537 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 €423 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 June 2026, prices for Seattle to Dublin flights are approximately 6% 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

Best price found

€1,002

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Dublin

1 airport
The best flight deal from Seattle to Dublin found on momondo in the last 72 hours is €1,002
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

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
Naas
Swords
Bray
Tullamore
Gorey
Kildare
Mullingar
Maynooth
Leixlip
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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