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Cheap flights from Seattle to Dublin from €147

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 19/7. 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.
Icelandair Logo
15:40 - 13:15
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
€824Icelandair
Sun, 12 Jul - Thu, 16 Jul
JetBlue Logo
11:45 - 08:20
SEA
-
DUB
12h 35m
1 stop
JetBlue Logo
10:40 - 22:54
DUB
-
SEA
20h 14m
1 stop
€824JetBlue
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
10:30 - 11:30
SEA
-
DUB
17h 00m
2 stops
Multiple Airlines Logo
13:15 - 09:40
DUB
-
SEA
28h 25m
3 stops
€825Multiple Airlines
Fri, 3 Jul - Mon, 13 Jul
Multiple Airlines Logo
10:30 - 11:30
SEA
-
DUB
17h 00m
2 stops
Multiple Airlines Logo
13:15 - 10:07
DUB
-
SEA
28h 52m
2 stops
€827Multiple Airlines
Fri, 3 Jul - Mon, 13 Jul
Multiple Airlines Logo
10:30 - 07:45
SEA
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
18:35 - 18:32
DUB
-
SEA
31h 57m
2 stops
€828Multiple Airlines
Tue, 22 Sep - Tue, 6 Oct
Air Canada Logo
19:20 - 07:45
SEA
-
DUB
28h 25m
1 stop
Air Canada Logo
08:00 - 09:17
DUB
-
SEA
32h 17m
2 stops
€829Air Canada
Mon, 19 Oct - Fri, 30 Oct
Multiple Airlines Logo
19:00 - 20:25
SEA
-
DUB
17h 25m
2 stops
Multiple Airlines Logo
10:15 - 18:55
DUB
-
SEA
16h 40m
1 stop
€830Multiple Airlines
Tue, 8 Sep - Thu, 15 Oct
Multiple Airlines Logo
19:00 - 16:20
SEA
-
DUB
13h 20m
2 stops
Multiple Airlines Logo
12:10 - 18:55
DUB
-
SEA
14h 45m
1 stop
€831Multiple Airlines
Wed, 7 Oct - Mon, 19 Oct
Air Canada Logo
05:45 - 07:45
SEA
-
DUB
18h 00m
2 stops
Air Canada Logo
09:50 - 22:42
DUB
-
SEA
20h 52m
2 stops
€831Air Canada
Wed, 29 Jul - Tue, 4 Aug
Air Canada Logo
19:20 - 08:15
SEA
-
DUB
28h 55m
2 stops
Air Canada Logo
09:50 - 14:22
DUB
-
SEA
12h 32m
1 stop
€832Air Canada
Sat, 3 Oct - Wed, 21 Oct

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JetBlue flights from Seattle to Dublin

Our best JetBlue deals on Seattle to Dublin flight tickets
JetBlue
15 Jul
SEA11:45Seattle/Tacoma Intl
12h 35m
1 stop
DUB08:20Dublin
22 Jul
DUB10:40Dublin
20h 14m
1 stop
SEA22:54Seattle/Tacoma Intl
€824
JetBlue
16 Jul
SEA11:45Seattle/Tacoma Intl
12h 35m
1 stop
DUB08:20Dublin
8 Aug
DUB10:40Dublin
20h 09m
1 stop
SEA22:49Seattle/Tacoma Intl
€840
JetBlue
25 Jul
SEA22:10Seattle/Tacoma Intl
26h 50m
1 stop
DUB09:00Dublin
4 Aug
DUB10:40Dublin
20h 14m
1 stop
SEA22:54Seattle/Tacoma Intl
€846

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
12 Jul
SEA15:40Seattle/Tacoma Intl
13h 35m
1 stop
DUB13:15Dublin
16 Jul
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€824
Icelandair
15 Jul
SEA23:25Seattle/Tacoma Intl
27h 40m
1 stop
DUB11:05Dublin
29 Jul
DUB12:15Dublin
16h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€847
Icelandair
16 Jul
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
1 Aug
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€851

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 19 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
Fastest return journey

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 12/7

15:40-13:15

1 stop13h 35m

Dublin

Thu 16/7

14:15-20:40

1 stop14h 25m

€824

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 15/7

11:45-08:20

1 stop12h 35m

Dublin

Wed 22/7

10:40-22:54

1 stop20h 14m

€824

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 3/7

10:30-11:30

2 stops17h 00m

Dublin

Mon 13/7

13:15-09:40

3 stops28h 25m

€825

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 3/7

10:30-11:30

2 stops17h 00m

Dublin

Mon 13/7

13:15-10:07

2 stops28h 52m

€827

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 22/9

10:30-07:45

1 stop13h 15m

Dublin

Tue 6/10

18:35-18:32

2 stops31h 57m

€828

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 19/10

19:20-07:45

1 stop28h 25m

Dublin

Fri 30/10

08:00-09:17

2 stops32h 17m

€829

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 8/9

19:00-20:25

2 stops17h 25m

Dublin

Thu 15/10

10:15-18:55

1 stop16h 40m

€830

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 7/10

19:00-16:20

2 stops13h 20m

Dublin

Mon 19/10

12:10-18:55

1 stop14h 45m

€831

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 29/7

05:45-07:45

2 stops18h 00m

Dublin

Tue 4/8

09:50-22:42

2 stops20h 52m

€831

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 3/10

19:20-08:15

2 stops28h 55m

Dublin

Wed 21/10

09:50-14:22

1 stop12h 32m

€832

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 €407.

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 €547 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 €436 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 15% 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
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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