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Cheap flights from Seattle to Dublin from C$ 551

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 8/2. 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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Find the cheapest flights from Seattle to Dublin

Cheap round-trip flights

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$ 558Icelandair
Find Deal
Sat, 13 Dec - Sat, 18 Apr
United Airlines Logo
7:00 a.m. - 8:10 a.m.SEA-DUB
17h 10m1 stop
United Airlines Logo
9:00 a.m. - 12:59 a.m.DUB-SEA
23h 59m2 stops
C$ 562United Airlines
Find Deal
Sun, 9 Nov - Wed, 19 Nov
United Airlines Logo
8:15 a.m. - 7:10 a.m.SEA-DUB
14h 55m1 stop
United Airlines Logo
9:00 a.m. - 12:59 a.m.DUB-SEA
23h 59m2 stops
C$ 565United Airlines
Find Deal
Tue, 2 Dec - Wed, 10 Dec
United Airlines Logo
8:00 a.m. - 9:55 a.m.SEA-DUB
17h 55m2 stops
United Airlines Logo
9:00 a.m. - 12:59 a.m.DUB-SEA
23h 59m2 stops
C$ 569United Airlines
Find Deal
Wed, 12 Nov - Wed, 19 Nov
United Airlines Logo
6:01 a.m. - 7:20 a.m.SEA-DUB
17h 19m1 stop
United Airlines Logo
10:40 a.m. - 9:13 p.m.DUB-SEA
18h 33m2 stops
C$ 573United Airlines
Find Deal
Mon, 20 Oct - Wed, 5 Nov
United Airlines Logo
11:59 p.m. - 10:20 a.m.SEA-DUB
27h 21m2 stops
United Airlines Logo
9:00 a.m. - 10:45 p.m.DUB-SEA
21h 45m2 stops
C$ 583United Airlines
Find Deal
Sun, 26 Oct - Wed, 12 Nov
United Airlines Logo
5:15 a.m. - 6:10 a.m.SEA-DUB
17h 55m2 stops
United Airlines Logo
12:05 p.m. - 8:10 p.m.DUB-SEA
15h 05m1 stop
C$ 586United Airlines
Find Deal
Sun, 8 Mar - Wed, 25 Mar
KLM Logo
9:28 a.m. - 7:45 a.m.SEA-DUB
14h 17m1 stop
KLM Logo
10:00 a.m. - 4:13 p.m.DUB-SEA
14h 13m1 stop
C$ 590KLM
Find Deal
Tue, 25 Nov - Wed, 15 Apr
Delta Logo
9:55 p.m. - 8:45 a.m.SEA-DUB
26h 50m1 stop
Delta Logo
10:45 a.m. - 7:25 p.m.DUB-SEA
16h 40m1 stop
C$ 591Delta
Find Deal
Sat, 24 Jan - Fri, 6 Feb
Delta Logo
9:25 a.m. - 9:20 a.m.SEA-DUB
15h 55m2 stops
Delta Logo
11:00 a.m. - 10:24 p.m.DUB-SEA
19h 24m1 stop
C$ 595Delta
Find Deal
Tue, 9 Dec - Tue, 14 Apr

United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
9 Nov
SEA7:00 a.m.Seattle/Tacoma Intl
17h 10m
1 stop
DUB8:10 a.m.Dublin
19 Nov
DUB9:00 a.m.Dublin
23h 59m
2 stops
SEA12:59 a.m.Seattle/Tacoma Intl
C$ 562
Find similar
United Airlines
2 Dec
SEA8:15 a.m.Seattle/Tacoma Intl
14h 55m
1 stop
DUB7:10 a.m.Dublin
10 Dec
DUB9:00 a.m.Dublin
23h 59m
2 stops
SEA12:59 a.m.Seattle/Tacoma Intl
C$ 565
Find similar
United Airlines
12 Nov
SEA8:00 a.m.Seattle/Tacoma Intl
17h 55m
2 stops
DUB9:55 a.m.Dublin
19 Nov
DUB9:00 a.m.Dublin
23h 59m
2 stops
SEA12:59 a.m.Seattle/Tacoma Intl
C$ 569
Find similar

Delta flights from Seattle to Dublin

Our best Delta deals on Seattle to Dublin flight tickets
Delta
24 Jan
SEA9:55 p.m.Seattle/Tacoma Intl
26h 50m
1 stop
DUB8:45 a.m.Dublin
6 Feb
DUB10:45 a.m.Dublin
16h 40m
1 stop
SEA7:25 p.m.Seattle/Tacoma Intl
C$ 591
Find similar
Delta
9 Dec
SEA9:25 a.m.Seattle/Tacoma Intl
15h 55m
2 stops
DUB9:20 a.m.Dublin
14 Apr
DUB11:00 a.m.Dublin
19h 24m
1 stop
SEA10:24 p.m.Seattle/Tacoma Intl
C$ 595
Find similar
Delta
24 Nov
SEA6:05 p.m.Seattle/Tacoma Intl
29h 40m
1 stop
DUB7:45 a.m.Dublin
14 Apr
DUB10:00 a.m.Dublin
21h 26m
1 stop
SEA11:26 p.m.Seattle/Tacoma Intl
C$ 597
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 16 September 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

Sat 13/12

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

1 stop11h 40m

Dublin

Sat 18/4

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

1 stop11h 35m

C$ 558

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 9/11

7:00 a.m.-8:10 a.m.

1 stop17h 10m

Dublin

Wed 19/11

9:00 a.m.-12:59 a.m.

2 stops23h 59m

C$ 562

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/12

8:15 a.m.-7:10 a.m.

1 stop14h 55m

Dublin

Wed 10/12

9:00 a.m.-12:59 a.m.

2 stops23h 59m

C$ 565

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 12/11

8:00 a.m.-9:55 a.m.

2 stops17h 55m

Dublin

Wed 19/11

9:00 a.m.-12:59 a.m.

2 stops23h 59m

C$ 569

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 20/10

6:01 a.m.-7:20 a.m.

1 stop17h 19m

Dublin

Wed 5/11

10:40 a.m.-9:13 p.m.

2 stops18h 33m

C$ 573

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 26/10

11:59 p.m.-10:20 a.m.

2 stops27h 21m

Dublin

Wed 12/11

9:00 a.m.-10:45 p.m.

2 stops21h 45m

C$ 583

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 8/3

5:15 a.m.-6:10 a.m.

2 stops17h 55m

Dublin

Wed 25/3

12:05 p.m.-8:10 p.m.

1 stop15h 05m

C$ 586

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 25/11

9:28 a.m.-7:45 a.m.

1 stop14h 17m

Dublin

Wed 15/4

10:00 a.m.-4:13 p.m.

1 stop14h 13m

C$ 590

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 24/1

9:55 p.m.-8:45 a.m.

1 stop26h 50m

Dublin

Fri 6/2

10:45 a.m.-7:25 p.m.

1 stop16h 40m

C$ 591

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 9/12

9:25 a.m.-9:20 a.m.

2 stops15h 55m

Dublin

Tue 14/4

11:00 a.m.-10:24 p.m.

1 stop19h 24m

C$ 595

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$ 1,409. 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$ 1,132.

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$ 910 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$ 803 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 September 2025, prices for Seattle to Dublin flights are approximately 12% 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$ 1,353

Fastest flight time

9h 05m

Direct flights

Wed, Thu and Sat

Airports in Dublin

1 airport
The best flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 1,353
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin on Wednesday, Thursday and Saturday. 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 11h 40m, 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$ 552Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Aer LingusPriceFrom C$ 637Free CancellationRating
7.2
1,274 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$ 686. 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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