Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Seattle to Dublin from €191

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 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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 - 13:15
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m
1 stop
€632Icelandair
Mon, 3 Aug - Sat, 22 Aug
Icelandair Logo
23:25 - 13:15
SEA
-
DUB
29h 50m
1 stop
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
€634Icelandair
Sat, 8 Aug - Thu, 20 Aug
Icelandair Logo
23:25 - 13:15
SEA
-
DUB
29h 50m
1 stop
Icelandair Logo
12:15 - 11:45
DUB
-
SEA
31h 30m
1 stop
€634Icelandair
Sat, 8 Aug - Wed, 19 Aug
Multiple Airlines Logo
19:00 - 13:00
SEA
-
DUB
34h 00m
2 stops
Multiple Airlines Logo
13:00 - 18:45
DUB
-
SEA
13h 45m
1 stop
€635Multiple Airlines
Sun, 23 Aug - Tue, 8 Sep
Icelandair Logo
23:25 - 13:15
SEA
-
DUB
29h 50m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
SEA
13h 40m
1 stop
€636Icelandair
Thu, 27 Aug - Wed, 2 Sep
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
12:15 - 11:45
DUB
-
SEA
31h 30m
1 stop
€637Icelandair
Sat, 5 Sep - Wed, 9 Sep
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m
1 stop
€638Icelandair
Thu, 10 Sep - Thu, 1 Oct
Multiple Airlines Logo
19:00 - 00:35
SEA
-
DUB
21h 35m
2 stops
Multiple Airlines Logo
13:00 - 18:45
DUB
-
SEA
13h 45m
1 stop
€639Multiple Airlines
Mon, 5 Oct - Tue, 13 Oct
Icelandair Logo
19:00 - 11:05
SEA
-
DUB
32h 05m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m
1 stop
€640Icelandair
Fri, 11 Sep - Thu, 1 Oct
Icelandair Logo
15:40 - 13:15
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
12:15 - 20:40
DUB
-
SEA
16h 25m
1 stop
€641Icelandair
Sun, 6 Sep - Fri, 11 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

TAP AIR PORTUGAL flights from Seattle to Dublin

Our best TAP AIR PORTUGAL deals on Seattle to Dublin flight tickets
TAP AIR PORTUGAL
7 Oct
SEA23:55Seattle/Tacoma Intl
26h 05m
2 stops
DUB10:00Dublin
12 Oct
DUB18:50Dublin
35h 48m
2 stops
SEA22:38Seattle/Tacoma Intl
€666
TAP AIR PORTUGAL
25 Sept
SEA23:55Seattle/Tacoma Intl
40h 10m
2 stops
DUB00:05Dublin
3 Oct
DUB10:45Dublin
43h 53m
2 stops
SEA22:38Seattle/Tacoma Intl
€671
TAP AIR PORTUGAL
6 Sept
SEA23:44Seattle/Tacoma Intl
34h 21m
2 stops
DUB18:05Dublin
13 Sept
DUB18:50Dublin
35h 48m
2 stops
SEA22:38Seattle/Tacoma Intl
€676

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
3 Aug
SEA15:40Seattle/Tacoma Intl
13h 35m
1 stop
DUB13:15Dublin
22 Aug
DUB14:15Dublin
11h 40m
1 stop
SEA17:55Seattle/Tacoma Intl
€632
Icelandair
8 Aug
SEA23:25Seattle/Tacoma Intl
29h 50m
1 stop
DUB13:15Dublin
20 Aug
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€634
Icelandair
8 Aug
SEA23:25Seattle/Tacoma Intl
29h 50m
1 stop
DUB13:15Dublin
19 Aug
DUB12:15Dublin
31h 30m
1 stop
SEA11:45Seattle/Tacoma Intl
€634

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 21 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

Mon 3/8

15:40-13:15

1 stop13h 35m

Dublin

Sat 22/8

14:15-17:55

1 stop11h 40m

€632

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 8/8

23:25-13:15

1 stop29h 50m

Dublin

Thu 20/8

14:15-20:40

1 stop14h 25m

€634

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 8/8

23:25-13:15

1 stop29h 50m

Dublin

Wed 19/8

12:15-11:45

1 stop31h 30m

€634

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 23/8

19:00-13:00

2 stops34h 00m

Dublin

Tue 8/9

13:00-18:45

1 stop13h 45m

€635

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 27/8

23:25-13:15

1 stop29h 50m

Dublin

Wed 2/9

12:15-17:55

1 stop13h 40m

€636

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 5/9

15:40-11:05

1 stop11h 25m

Dublin

Wed 9/9

12:15-11:45

1 stop31h 30m

€637
Fastest return journey

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 10/9

15:40-11:05

1 stop11h 25m

Dublin

Thu 1/10

14:15-17:55

1 stop11h 40m

€638

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 5/10

19:00-00:35

2 stops21h 35m

Dublin

Tue 13/10

13:00-18:45

1 stop13h 45m

€639

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 11/9

19:00-11:05

1 stop32h 05m

Dublin

Thu 1/10

14:15-17:55

1 stop11h 40m

€640

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 6/9

15:40-13:15

1 stop13h 35m

Dublin

Fri 11/9

12:15-20:40

1 stop16h 25m

€641

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €451.

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 €598 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 €529 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 35% 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
Swords
Naas
Gorey
Bray
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.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 20/8
Thu 27/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland