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Cheap flights from Seattle to Dublin from C$ 387

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 29/9. 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

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$ 558Icelandair
Find Deal
Sun, 2 Nov - Mon, 10 Nov
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$ 576Icelandair
Find Deal
Wed, 19 Nov - Thu, 27 Nov
Logo
11:29 a.m. - 9:15 a.m.SEA-DUB
13h 46m1 stop
Logo
9:45 a.m. - 8:47 p.m.DUB-SEA
19h 02m1 stop
C$ 592
Find Deal
Mon, 20 Oct - Wed, 5 Nov
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA-DUB
11h 40m1 stop
Icelandair Logo
2:15 p.m. - 5:50 p.m.DUB-SEA
11h 35m1 stop
C$ 599Icelandair
Find Deal
Sun, 23 Nov - Thu, 16 Apr
Scandinavian Airlines Logo
4:20 p.m. - 11:50 a.m.SEA-DUB
35h 30m1 stop
Scandinavian Airlines Logo
12:20 p.m. - 2:00 p.m.DUB-SEA
33h 40m2 stops
C$ 603Scandinavian Airlines
Find Deal
Sun, 12 Oct - Thu, 23 Oct
Delta Logo
6:00 a.m. - 8:45 a.m.SEA-DUB
18h 45m2 stops
Delta Logo
9:45 a.m. - 11:59 p.m.DUB-SEA
22h 14m1 stop
C$ 605Delta
Find Deal
Sun, 16 Nov - Tue, 25 Nov
Scandinavian Airlines Logo
4:20 p.m. - 6:15 p.m.SEA-DUB
17h 55m1 stop
Scandinavian Airlines Logo
11:45 a.m. - 2:00 p.m.DUB-SEA
34h 15m2 stops
C$ 608Scandinavian Airlines
Find Deal
Sun, 12 Oct - Tue, 21 Oct
Delta Logo
10:05 p.m. - 9:20 a.m.SEA-DUB
27h 15m1 stop
Delta Logo
10:45 a.m. - 11:59 p.m.DUB-SEA
21h 14m2 stops
C$ 612Delta
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Mon, 3 Nov - Fri, 14 Nov
Aer Lingus Logo
7:35 p.m. - 12:40 p.m.SEA-DUB
9h 05mdirect
Aer Lingus Logo
4:10 p.m. - 5:50 p.m.DUB-SEA
9h 40mdirect
C$ 686Aer Lingus
Find Deal
Thu, 4 Sep - Wed, 17 Sep
Aer Lingus Logo
7:35 p.m. - 12:40 p.m.SEA-DUB
9h 05mdirect
Aer Lingus Logo
4:10 p.m. - 5:50 p.m.DUB-SEA
9h 40mdirect
C$ 688Aer Lingus
Find Deal
Thu, 4 Sep - Wed, 17 Sep

Delta flights from Seattle to Dublin

Our best Delta deals on Seattle to Dublin flight tickets
Delta
16 Nov
SEA6:00 a.m.Seattle/Tacoma Intl
18h 45m
2 stops
DUB8:45 a.m.Dublin
25 Nov
DUB9:45 a.m.Dublin
22h 14m
1 stop
SEA11:59 p.m.Seattle/Tacoma Intl
C$ 605
Find similar
Delta
3 Nov
SEA10:05 p.m.Seattle/Tacoma Intl
27h 15m
1 stop
DUB9:20 a.m.Dublin
14 Nov
DUB10:45 a.m.Dublin
21h 14m
2 stops
SEA11:59 p.m.Seattle/Tacoma Intl
C$ 612
Find similar
Delta
19 Nov
SEA2:05 p.m.Seattle/Tacoma Intl
17h 40m
1 stop
DUB3:45 p.m.Dublin
3 Dec
DUB11:30 a.m.Dublin
17h 43m
1 stop
SEA9:13 p.m.Seattle/Tacoma Intl
C$ 619
Find similar

United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
18 Nov
SEA8:36 a.m.Seattle/Tacoma Intl
17h 19m
2 stops
DUB9:55 a.m.Dublin
26 Nov
DUB9:00 a.m.Dublin
34h 30m
2 stops
SEA11:30 a.m.Seattle/Tacoma Intl
C$ 629
Find similar
United Airlines
12 Nov
SEA5:00 a.m.Seattle/Tacoma Intl
20h 55m
2 stops
DUB9:55 a.m.Dublin
26 Nov
DUB9:00 a.m.Dublin
34h 30m
2 stops
SEA11:30 a.m.Seattle/Tacoma Intl
C$ 636
Find similar
United Airlines
4 Nov
SEA8:36 a.m.Seattle/Tacoma Intl
17h 19m
2 stops
DUB9:55 a.m.Dublin
14 Nov
DUB9:00 a.m.Dublin
23h 59m
2 stops
SEA12:59 a.m.Seattle/Tacoma Intl
C$ 647
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 25 August 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

Sun 2/11

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

1 stop11h 40m

Dublin

Mon 10/11

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

1 stop13h 30m

C$ 558

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/11

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

1 stop11h 40m

Dublin

Thu 27/11

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

1 stop13h 30m

C$ 576

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 20/10

11:29 a.m.-9:15 a.m.

1 stop13h 46m

Dublin

Wed 5/11

9:45 a.m.-8:47 p.m.

1 stop19h 02m

C$ 592

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 23/11

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

1 stop11h 40m

Dublin

Thu 16/4

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

1 stop11h 35m

C$ 599

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 12/10

4:20 p.m.-11:50 a.m.

1 stop35h 30m

Dublin

Thu 23/10

12:20 p.m.-2:00 p.m.

2 stops33h 40m

C$ 603

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 16/11

6:00 a.m.-8:45 a.m.

2 stops18h 45m

Dublin

Tue 25/11

9:45 a.m.-11:59 p.m.

1 stop22h 14m

C$ 605

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 12/10

4:20 p.m.-6:15 p.m.

1 stop17h 55m

Dublin

Tue 21/10

11:45 a.m.-2:00 p.m.

2 stops34h 15m

C$ 608

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 3/11

10:05 p.m.-9:20 a.m.

1 stop27h 15m

Dublin

Fri 14/11

10:45 a.m.-11:59 p.m.

2 stops21h 14m

C$ 612

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 4/9

7:35 p.m.-12:40 p.m.

Nonstop9h 05m

Dublin

Wed 17/9

4:10 p.m.-5:50 p.m.

Nonstop9h 40m

C$ 686

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 4/9

7:35 p.m.-12:40 p.m.

Nonstop9h 05m

Dublin

Wed 17/9

4:10 p.m.-5:50 p.m.

Nonstop9h 40m

C$ 688

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$ 702.

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 Monday. momondo users have found tickets for Monday departures for as low as C$ 846. 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$ 1,321. 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$ 731. 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$ 1,133.

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$ 909 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$ 785 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for Seattle to Dublin flights are approximately 8% 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

Best price found

C$ 514

Fastest flight time

9h 05m

Direct flights

Mon, Tue, Wed and Fri

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is C$ 514. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 725.
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin on Monday, Tuesday, Wednesday and Friday. The only airline offering direct flights is Aer Lingus.
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$ 553Free CancellationRating
7.0
533 reviews
Search Icelandair flights
Aer LingusPriceFrom C$ 637Free CancellationRating
7.2
1,230 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$ 461. Generally, Aer Lingus has 3 flights on this route every week with an average price of C$ 706. 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.

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