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Cheap flights from Seattle to Dublin from C$ 560

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 26/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB-SEA
13h 30m1 stop
C$ 568Icelandair
Find Deal
Tue, 13 Jan - Sun, 18 Jan
Icelandair Logo
3:35 p.m. - 12:15 p.m.SEA-DUB
13h 40m1 stop
Icelandair Logo
2:15 p.m. - 5:50 p.m.DUB-SEA
11h 35m1 stop
C$ 574Icelandair
Find Deal
Fri, 27 Mar - Tue, 31 Mar
Aer Lingus Logo
8:05 p.m. - 1:10 p.m.SEA-DUB
9h 05mdirect
Aer Lingus Logo
4:30 p.m. - 6:20 p.m.DUB-SEA
9h 50mdirect
C$ 588Aer Lingus
Find Deal
Mon, 3 Nov - Wed, 19 Nov
British Airways Logo
6:50 p.m. - 5:00 p.m.SEA-DUB
14h 10m1 stop
British Airways Logo
10:45 a.m. - 4:55 p.m.DUB-SEA
14h 10m1 stop
C$ 589British Airways
Find Deal
Wed, 7 Jan - Fri, 23 Jan
Delta Logo
6:15 a.m. - 7:45 a.m.SEA-DUB
17h 30m1 stop
Delta Logo
10:45 a.m. - 10:25 p.m.DUB-SEA
19h 40m2 stops
C$ 597Delta
Find Deal
Sun, 28 Dec - Tue, 13 Jan
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB-SEA
13h 30m1 stop
C$ 602Icelandair
Find Deal
Fri, 9 Jan - Tue, 20 Jan
KLM Logo
9:25 a.m. - 7:45 a.m.SEA-DUB
14h 20m1 stop
KLM Logo
9:45 a.m. - 5:00 p.m.DUB-SEA
15h 15m1 stop
C$ 609KLM
Find Deal
Tue, 9 Dec - Thu, 18 Dec
Delta Logo
9:59 p.m. - 9:20 a.m.SEA-DUB
27h 21m2 stops
Delta Logo
10:45 a.m. - 10:25 p.m.DUB-SEA
19h 40m1 stop
C$ 615Delta
Find Deal
Sat, 8 Nov - Tue, 18 Nov
British Airways Logo
7:50 p.m. - 7:40 p.m.SEA-DUB
16h 50m1 stop
British Airways Logo
8:40 p.m. - 5:55 p.m.DUB-SEA
28h 15m1 stop
C$ 625British Airways
Find Deal
Sun, 8 Mar - Thu, 19 Mar
KLM Logo
3:00 p.m. - 12:40 p.m.SEA-DUB
13h 40m1 stop
KLM Logo
5:55 a.m. - 4:22 p.m.DUB-SEA
18h 27m2 stops
C$ 675KLM
Find Deal
Tue, 4 Nov - Tue, 11 Nov

Delta flights from Seattle to Dublin

Our best Delta deals on Seattle to Dublin flight tickets
Delta
28 Dec
SEA6:15 a.m.Seattle/Tacoma Intl
17h 30m
1 stop
DUB7:45 a.m.Dublin
13 Jan
DUB10:45 a.m.Dublin
19h 40m
2 stops
SEA10:25 p.m.Seattle/Tacoma Intl
C$ 596
Find similar
Delta
28 Oct
SEA6:00 a.m.Seattle/Tacoma Intl
18h 45m
1 stop
DUB7:45 a.m.Dublin
14 Nov
DUB10:45 a.m.Dublin
17h 21m
1 stop
SEA8:06 p.m.Seattle/Tacoma Intl
C$ 609
Find similar
Delta
8 Nov
SEA9:59 p.m.Seattle/Tacoma Intl
27h 21m
2 stops
DUB9:20 a.m.Dublin
18 Nov
DUB10:45 a.m.Dublin
19h 40m
1 stop
SEA10:25 p.m.Seattle/Tacoma Intl
C$ 615
Find similar

British Airways flights from Seattle to Dublin

Our best British Airways deals on Seattle to Dublin flight tickets
British Airways
7 Jan
SEA6:50 p.m.Seattle/Tacoma Intl
14h 10m
1 stop
DUB5:00 p.m.Dublin
23 Jan
DUB10:45 a.m.Dublin
14h 10m
1 stop
SEA4:55 p.m.Seattle/Tacoma Intl
C$ 589
Find similar
British Airways
8 Mar
SEA7:50 p.m.Seattle/Tacoma Intl
16h 50m
1 stop
DUB7:40 p.m.Dublin
19 Mar
DUB8:40 p.m.Dublin
28h 15m
1 stop
SEA5:55 p.m.Seattle/Tacoma Intl
C$ 625
Find similar
British Airways
3 Nov
SEA6:50 p.m.Seattle/Tacoma Intl
16h 50m
1 stop
DUB7:40 p.m.Dublin
17 Nov
DUB4:00 p.m.Dublin
27h 30m
1 stop
SEA11:30 a.m.Seattle/Tacoma Intl
C$ 660
Find similar

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 22 October 2025.
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

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 13/1

2:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Sun 18/1

11:30 a.m.-5:00 p.m.

1 stop13h 30m

C$ 568

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 27/3

3:35 p.m.-12:15 p.m.

1 stop13h 40m

Dublin

Tue 31/3

2:15 p.m.-5:50 p.m.

1 stop11h 35m

C$ 574

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 3/11

8:05 p.m.-1:10 p.m.

Nonstop9h 05m

Dublin

Wed 19/11

4:30 p.m.-6:20 p.m.

Nonstop9h 50m

C$ 588

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 7/1

6:50 p.m.-5:00 p.m.

1 stop14h 10m

Dublin

Fri 23/1

10:45 a.m.-4:55 p.m.

1 stop14h 10m

C$ 589

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 28/12

6:15 a.m.-7:45 a.m.

1 stop17h 30m

Dublin

Tue 13/1

10:45 a.m.-10:25 p.m.

2 stops19h 40m

C$ 596

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 9/1

2:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Tue 20/1

11:30 a.m.-5:00 p.m.

1 stop13h 30m

C$ 602

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 9/12

9:25 a.m.-7:45 a.m.

1 stop14h 20m

Dublin

Thu 18/12

9:45 a.m.-5:00 p.m.

1 stop15h 15m

C$ 609

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 8/11

9:59 p.m.-9:20 a.m.

2 stops27h 21m

Dublin

Tue 18/11

10:45 a.m.-10:25 p.m.

1 stop19h 40m

C$ 615

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 8/3

7:50 p.m.-7:40 p.m.

1 stop16h 50m

Dublin

Thu 19/3

8:40 p.m.-5:55 p.m.

1 stop28h 15m

C$ 625

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 4/11

3:00 p.m.-12:40 p.m.

1 stop13h 40m

Dublin

Tue 11/11

5:55 a.m.-4:22 p.m.

2 stops18h 27m

C$ 675

Flights are sorted by cheapest round-trip 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 cheapest month to fly to Dublin?

If you’re not able to fly to Dublin in January, then November is your next best option. Flight prices from Seattle to Dublin during November average around C$ 716.

What is the cheapest day to depart on your flight to Dublin?

On average, the least expensive day to fly to Dublin from Seattle is on a Sunday. momondo users have found tickets for Sunday departures for as low as C$ 930. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around C$ 1,431. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

According to our data, the cheapest time of day to fly to Dublin is in the morning. momondo users have found flights departing from Seattle to Dublin in the morning for as low as C$ 743. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,263.

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 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 C$ 927 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Seattle for as low as C$ 829 on momondo.

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

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Dublin flight prices changed over time?

As of October 2025, prices for Seattle to Dublin flights are approximately 47% 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 round-trip 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

Tue

Airports in Dublin

1 airport
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin on Tuesday. There are no airlines offering direct flights.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • How far is Seattle/Tacoma Intl to Dublin by plane?

    A flight from Seattle/Tacoma Intl to Dublin will travel around 7271.7 km. Flights usually cover this in 9h 05m, depending on flying conditions and air traffic around both airports.

  • 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 are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Dublin Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Dublin?

  • What is the most popular airline from Seattle to Dublin?

Best airlines flying from Seattle to Dublin

Compare and see reviews for airlines that fly from Seattle to Dublin with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom C$ 587Free CancellationRating
7.0
560 reviews
Search Icelandair flights
Aer LingusPriceFrom C$ 647Free CancellationRating
7.2
1,350 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From Seattle to Dublin

    The lowest priced Aer Lingus flight from Seattle to Dublin from the last 72 hours was C$ 647. Generally, Aer Lingus has 3 flights on this route every week with an average price of C$ 1,008. Aer Lingus is rated 7.2/10 by our users.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Bray
Maynooth
Portmarnock

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Dublin?

Finding the right flight to Dublin from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Dublin.

I’m not ready to book a flight from Seattle to Dublin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Dublin trip

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