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Cheap flights from Seattle to Dublin from C$ 415

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:55 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 25m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Mon, 15 Mar - Thu, 25 Mar
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Mon, 8 Feb - Tue, 23 Feb
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Tue, 9 Feb - Thu, 18 Feb
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Sun, 7 Feb - Wed, 17 Feb
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Sun, 14 Feb - Thu, 18 Feb
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Wed, 24 Feb - Fri, 5 Mar
Icelandair Logo
3:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:55 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 25m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Mon, 15 Mar - Tue, 23 Mar
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
C$ 937Icelandair
Wed, 10 Feb - Wed, 17 Feb
Aer Lingus Logo
7:10 p.m. - 12:15 p.m.SEA  Seattle/Tacoma Intl-DUB Dublin
9h 05mdirect
Aer Lingus Logo
3:25 p.m. - 5:10 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
9h 45mdirect
C$ 1,130Aer Lingus
Sat, 24 Apr - Sun, 2 May
Aer Lingus Logo
6:29 a.m. - 5:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
14h 46m1 stop Chicago O'Hare Intl
Aer Lingus Logo
11:30 a.m. - 9:38 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
18h 08m1 stop Chicago O'Hare Intl
C$ 2,302Aer Lingus
Thu, 17 Dec - Tue, 29 Dec

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United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
20 Mar
SEA10:45 p.m.Seattle/Tacoma Intl
25h 45m
1 stop
DUB7:30 a.m.Dublin
31 Mar
DUB9:20 a.m.Dublin
31h 58m
1 stop
SEA9:18 a.m.Seattle/Tacoma Intl
C$ 978
United Airlines
16 Mar
SEA8:30 a.m.Seattle/Tacoma Intl
16h 00m
2 stops
DUB7:30 a.m.Dublin
26 Mar
DUB8:00 a.m.Dublin
34h 55m
2 stops
SEA11:55 a.m.Seattle/Tacoma Intl
C$ 982
United Airlines
27 Feb
SEA10:51 p.m.Seattle/Tacoma Intl
24h 39m
1 stop
DUB7:30 a.m.Dublin
9 Mar
DUB9:00 a.m.Dublin
36h 04m
2 stops
SEA1:04 p.m.Seattle/Tacoma Intl
C$ 983

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
7 Feb
SEA2:35 p.m.Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 a.m.Dublin
17 Feb
DUB11:30 a.m.Dublin
13h 30m
1 stop
SEA5:00 p.m.Seattle/Tacoma Intl
C$ 937
Icelandair
14 Mar
SEA3:35 p.m.Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 a.m.Dublin
22 Mar
DUB2:25 p.m.Dublin
34h 30m
1 stop
SEA5:55 p.m.Seattle/Tacoma Intl
C$ 939
Icelandair
19 Apr
SEA3:40 p.m.Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05 a.m.Dublin
29 Apr
DUB12:15 p.m.Dublin
13h 40m
1 stop
SEA5:55 p.m.Seattle/Tacoma Intl
C$ 942

momondo Fare Finder

 
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 round-trip

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Mon 15/3

3:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Thu 25/3

11:30 a.m.-5:55 p.m.

1 stop13h 25m

C$ 937

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Mon 8/2

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

1 stop11h 40m

Dublin

Tue 23/2

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

1 stop13h 30m

C$ 937

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Tue 9/2

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

1 stop11h 40m

Dublin

Thu 18/2

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

1 stop13h 30m

C$ 937

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sun 7/2

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

1 stop11h 40m

Dublin

Wed 17/2

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

1 stop13h 30m

C$ 937

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sun 14/2

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

1 stop11h 40m

Dublin

Thu 18/2

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

1 stop13h 30m

C$ 937

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Wed 24/2

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

1 stop11h 40m

Dublin

Fri 5/3

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

1 stop13h 30m

C$ 937

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Mon 15/3

3:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Tue 23/3

11:30 a.m.-5:55 p.m.

1 stop13h 25m

C$ 937

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Wed 10/2

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

1 stop11h 40m

Dublin

Wed 17/2

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

1 stop13h 30m

C$ 937
Quickest round-trip

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sat 24/4

7:10 p.m.-12:15 p.m.

Nonstop9h 05m

Dublin

Sun 2/5

3:25 p.m.-5:10 p.m.

Nonstop9h 45m

C$ 1,130

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Thu 17/12

6:29 a.m.-5:15 a.m.

1 stop14h 46m

Dublin

Tue 29/12

11:30 a.m.-9:38 p.m.

1 stop18h 08m

C$ 2,302

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 typical price of a round-trip flight between Seattle and Dublin?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 944 to C$ 1,362.
The lowest price recently found on this route was C$ 937.

What is the cheapest month to fly to Dublin?

If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Seattle to Dublin during January average around C$ 797.

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$ 729. 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 Friday because tickets tend to average around C$ 1,317. 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 afternoon. momondo users have found flights departing from Seattle to Dublin in the afternoon for as low as C$ 935. 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 evening are often more expensive with an average ticket price of C$ 1,194.

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 C$ 1,135 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$ 990 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?

You could potentially save up to 25% on your flight if you consider stops on a Seattle to Dublin flight.

How have Seattle to Dublin flight prices changed over time?

As of November 2026, prices for Seattle to Dublin flights are approximately 17% more expensive 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

Best price found

C$ 415

Fastest flight time

19h 10m

Direct flights

Sun

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is C$ 415. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 937.
The fastest flight from Seattle to Dublin takes 19h 10m
Direct flights go from Seattle to Dublin on Sunday. There are no airlines offering direct flights.
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?

    A flight from Seattle/Tacoma Intl to Dublin will travel around 7271.7 km. Flights usually cover this in 19h 10m, 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
Aer LingusPriceFrom C$ 690Free CancellationRating
7.3
1,883 reviews
Search Aer Lingus flights

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Swords
Drogheda
Bray
Arklow

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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