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Cheap flights from Seattle to Dublin from €146

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 23/7. 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
15:40 - 19:50
SEA
-
DUB
20h 10m
2 stops
Multiple Airlines Logo
06:30 - 20:40
DUB
-
SEA
22h 10m
2 stops
€638Multiple Airlines
Sat, 29 Aug - Tue, 15 Sep
Lufthansa Logo
19:20 - 07:45
SEA
-
DUB
52h 25m
2 stops
Lufthansa Logo
09:50 - 22:47
DUB
-
SEA
20h 57m
2 stops
€639Lufthansa
Sat, 5 Sep - Tue, 15 Sep
Delta Logo
23:59 - 10:45
SEA
-
DUB
26h 46m
2 stops
Delta Logo
11:10 - 11:47
DUB
-
SEA
32h 37m
1 stop
€640Delta
Fri, 4 Sep - Sat, 12 Sep
United Airlines Logo
08:10 - 07:20
SEA
-
DUB
15h 10m
1 stop
United Airlines Logo
09:20 - 22:45
DUB
-
SEA
21h 25m
2 stops
€641United Airlines
Tue, 1 Sep - Fri, 18 Sep
Multiple Airlines Logo
08:00 - 05:10
SEA
-
DUB
13h 10m
1 stop
Multiple Airlines Logo
11:30 - 20:15
DUB
-
SEA
16h 45m
1 stop
€649Multiple Airlines
Tue, 20 Oct - Wed, 4 Nov
TAP AIR PORTUGAL Logo
23:55 - 18:05
SEA
-
DUB
34h 10m
2 stops
TAP AIR PORTUGAL Logo
18:50 - 22:38
DUB
-
SEA
35h 48m
2 stops
€651TAP AIR PORTUGAL
Sun, 13 Sep - Sun, 20 Sep
Multiple Airlines Logo
08:00 - 17:55
SEA
-
DUB
25h 55m
2 stops
Multiple Airlines Logo
19:05 - 21:07
DUB
-
SEA
34h 02m
3 stops
€652Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
21:05 - 13:10
SEA
-
DUB
9h 05mdirect
Multiple Airlines Logo
18:00 - 18:26
DUB
-
SEA
56h 26m
3 stops
€653Multiple Airlines
Mon, 26 Oct - Thu, 5 Nov
Multiple Airlines Logo
15:40 - 18:40
SEA
-
DUB
19h 00m
2 stops
Multiple Airlines Logo
13:00 - 18:45
DUB
-
SEA
13h 45m
1 stop
€655Multiple Airlines
Wed, 7 Oct - Fri, 9 Oct
Multiple Airlines Logo
23:25 - 07:25
SEA
-
DUB
48h 00m
2 stops
Multiple Airlines Logo
13:00 - 18:45
DUB
-
SEA
13h 45m
1 stop
€656Multiple Airlines
Sat, 29 Aug - Tue, 15 Sep

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United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
1 Sept
SEA08:10Seattle/Tacoma Intl
15h 10m
1 stop
DUB07:20Dublin
18 Sept
DUB09:20Dublin
21h 25m
2 stops
SEA22:45Seattle/Tacoma Intl
€641
United Airlines
1 Sept
SEA10:45Seattle/Tacoma Intl
13h 00m
1 stop
DUB07:45Dublin
8 Sept
DUB09:20Dublin
34h 12m
2 stops
SEA11:32Seattle/Tacoma Intl
€676
United Airlines
27 Aug
SEA05:50Seattle/Tacoma Intl
17h 55m
1 stop
DUB07:45Dublin
5 Sept
DUB09:50Dublin
38h 17m
2 stops
SEA16:07Seattle/Tacoma Intl
€694

Air Canada flights from Seattle to Dublin

Our best Air Canada deals on Seattle to Dublin flight tickets
Air Canada
29 Aug
SEA10:40Seattle/Tacoma Intl
13h 05m
1 stop
DUB07:45Dublin
15 Sept
DUB09:20Dublin
17h 12m
2 stops
SEA18:32Seattle/Tacoma Intl
€684
Air Canada
2 Aug
SEA05:50Seattle/Tacoma Intl
17h 55m
2 stops
DUB07:45Dublin
18 Aug
DUB09:50Dublin
16h 42m
2 stops
SEA18:32Seattle/Tacoma Intl
€685
Air Canada
2 Sept
SEA05:50Seattle/Tacoma Intl
17h 55m
2 stops
DUB07:45Dublin
11 Sept
DUB09:50Dublin
12h 32m
1 stop
SEA14:22Seattle/Tacoma Intl
€687

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 14 July 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

Sat 29/8

15:40-19:50

2 stops20h 10m

Dublin

Tue 15/9

06:30-20:40

2 stops22h 10m

€638

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 5/9

19:20-07:45

2 stops52h 25m

Dublin

Tue 15/9

09:50-22:47

2 stops20h 57m

€639

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 4/9

23:59-10:45

2 stops26h 46m

Dublin

Sat 12/9

11:10-11:47

1 stop32h 37m

€640

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/9

08:10-07:20

1 stop15h 10m

Dublin

Fri 18/9

09:20-22:45

2 stops21h 25m

€641
Fastest return journey

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 20/10

08:00-05:10

1 stop13h 10m

Dublin

Wed 4/11

11:30-20:15

1 stop16h 45m

€649

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 13/9

23:55-18:05

2 stops34h 10m

Dublin

Sun 20/9

18:50-22:38

2 stops35h 48m

€651

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 18/8

08:00-17:55

2 stops25h 55m

Dublin

Tue 25/8

19:05-21:07

3 stops34h 02m

€652

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 26/10

21:05-13:10

Nonstop9h 05m

Dublin

Thu 5/11

18:00-18:26

3 stops56h 26m

€653

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 7/10

15:40-18:40

2 stops19h 00m

Dublin

Fri 9/10

13:00-18:45

1 stop13h 45m

€655

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 29/8

23:25-07:25

2 stops48h 00m

Dublin

Tue 15/9

13:00-18:45

1 stop13h 45m

€656

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 €421.

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 €584 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 €488 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 July 2026, prices for Seattle to Dublin flights are approximately 36% 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

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

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
Gorey
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Enniscorthy
Carlingford
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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