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Cheap flights from Seattle to Dublin from C$ 298

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 20/4. 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.
Scandinavian Airlines Logo
3:55 p.m. - 8:00 a.m.
SEA
-
DUB
32h 05m
2 stops
Scandinavian Airlines Logo
7:50 p.m. - 1:45 p.m.
DUB
-
SEA
25h 55m
2 stops
C$ 680Scandinavian Airlines
Fri, 28 Aug - Mon, 7 Sep
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
8:00 p.m. - 1:45 p.m.
DUB
-
SEA
25h 45m
2 stops
C$ 692Scandinavian Airlines
Sat, 15 Aug - Sat, 22 Aug
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
7:50 p.m. - 1:45 p.m.
DUB
-
SEA
25h 55m
2 stops
C$ 693Scandinavian Airlines
Sat, 22 Aug - Mon, 31 Aug
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
7:50 p.m. - 1:45 p.m.
DUB
-
SEA
25h 55m
2 stops
C$ 720Scandinavian Airlines
Tue, 1 Sep - Thu, 10 Sep
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
8:00 p.m. - 1:45 p.m.
DUB
-
SEA
25h 45m
2 stops
C$ 732Scandinavian Airlines
Sat, 15 Aug - Sat, 29 Aug
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
7:50 p.m. - 1:45 p.m.
DUB
-
SEA
25h 55m
2 stops
C$ 734Scandinavian Airlines
Tue, 1 Sep - Mon, 14 Sep
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
10:15 a.m. - 10:17 p.m.
DUB
-
SEA
20h 02m
2 stops
C$ 804Scandinavian Airlines
Tue, 18 Aug - Sun, 30 Aug
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
7:05 p.m. - 10:25 p.m.
DUB
-
SEA
35h 20m
2 stops
C$ 806Scandinavian Airlines
Tue, 1 Sep - Tue, 8 Sep
Scandinavian Airlines Logo
7:15 a.m. - 6:20 p.m.
SEA
-
DUB
27h 05m
2 stops
Scandinavian Airlines Logo
7:50 p.m. - 1:45 p.m.
DUB
-
SEA
25h 55m
2 stops
C$ 844Scandinavian Airlines
Sat, 16 May - Mon, 25 May
Scandinavian Airlines Logo
3:55 p.m. - 10:25 a.m.
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
7:05 p.m. - 10:25 p.m.
DUB
-
SEA
35h 20m
2 stops
C$ 845Scandinavian Airlines
Tue, 1 Sep - Tue, 15 Sep

Delta flights from Seattle to Dublin

Our best Delta deals on Seattle to Dublin flight tickets
Delta
30 Mar
SEA6:40 p.m.Seattle/Tacoma Intl
15h 45m
1 stop
DUB6:25 p.m.Dublin
15 Apr
DUB5:55 a.m.Dublin
13h 50m
1 stop
SEA11:45 a.m.Seattle/Tacoma Intl
C$ 898
Delta
11 Mar
SEA6:15 a.m.Seattle/Tacoma Intl
18h 45m
2 stops
DUB8:00 a.m.Dublin
18 Mar
DUB5:55 a.m.Dublin
13h 40m
1 stop
SEA12:35 p.m.Seattle/Tacoma Intl
C$ 905
Delta
30 Mar
SEA6:40 p.m.Seattle/Tacoma Intl
15h 45m
1 stop
DUB6:25 p.m.Dublin
7 Apr
DUB11:10 a.m.Dublin
13h 20m
1 stop
SEA4:30 p.m.Seattle/Tacoma Intl
C$ 906

Turkish Airlines flights from Seattle to Dublin

Our best Turkish Airlines deals on Seattle to Dublin flight tickets
Turkish Airlines
30 Mar
SEA7:10 p.m.Seattle/Tacoma Intl
30h 25m
1 stop
DUB9:35 a.m.Dublin
15 Apr
DUB5:05 p.m.Dublin
32h 10m
1 stop
SEA5:15 p.m.Seattle/Tacoma Intl
C$ 890
Turkish Airlines
10 May
SEA7:10 p.m.Seattle/Tacoma Intl
36h 50m
1 stop
DUB4:00 p.m.Dublin
19 May
DUB5:35 a.m.Dublin
19h 40m
1 stop
SEA5:15 p.m.Seattle/Tacoma Intl
C$ 897
Turkish Airlines
11 Mar
SEA12:36 p.m.Seattle/Tacoma Intl
43h 54m
2 stops
DUB3:30 p.m.Dublin
18 Mar
DUB10:40 a.m.Dublin
38h 25m
1 stop
SEA6:05 p.m.Seattle/Tacoma Intl
C$ 1,105

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 9 March 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 round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 28/8

3:55 p.m.-8:00 a.m.

2 stops32h 05m

Dublin

Mon 7/9

7:50 p.m.-1:45 p.m.

2 stops25h 55m

C$ 680

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 15/8

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Sat 22/8

8:00 p.m.-1:45 p.m.

2 stops25h 45m

C$ 692

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 22/8

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Mon 31/8

7:50 p.m.-1:45 p.m.

2 stops25h 55m

C$ 693

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/9

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Thu 10/9

7:50 p.m.-1:45 p.m.

2 stops25h 55m

C$ 720

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 15/8

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Sat 29/8

8:00 p.m.-1:45 p.m.

2 stops25h 45m

C$ 732

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/9

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Mon 14/9

7:50 p.m.-1:45 p.m.

2 stops25h 55m

C$ 734

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 18/8

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Sun 30/8

10:15 a.m.-10:17 p.m.

2 stops20h 02m

C$ 804

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/9

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Tue 8/9

7:05 p.m.-10:25 p.m.

2 stops35h 20m

C$ 806
Quickest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 16/5

7:15 a.m.-6:20 p.m.

2 stops27h 05m

Dublin

Mon 25/5

7:50 p.m.-1:45 p.m.

2 stops25h 55m

C$ 844

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/9

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Tue 15/9

7:05 p.m.-10:25 p.m.

2 stops35h 20m

C$ 845

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 November, then February is your next best option. Flight prices from Seattle to Dublin during February average around C$ 639.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as C$ 917. 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$ 1,383. 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 evening. momondo users have found flights departing from Seattle to Dublin in the evening for as low as C$ 954. 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$ 975.

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$ 849 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$ 694 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 March 2026, prices for Seattle to Dublin flights are approximately 20% 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$ 796

Fastest flight time

9h 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is C$ 796. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 963.
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin on Monday, Tuesday, Wednesday, Friday, Saturday and 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

  • 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
Aer LingusPriceFrom C$ 625Free CancellationRating
7.2
1,471 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$ 625. Generally, Aer Lingus has 2 flights on this route every week with an average price of C$ 954. 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
Bray
Arklow
Maynooth
Swords
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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