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Cheap flights from Seattle to Dublin from $258

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 4/7. 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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0 bags

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Find the cheapest flights from Seattle to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:40 pm - 1:15 pm
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
12:15 pm - 5:55 pm
DUB
-
SEA
13h 40m
1 stop
$407Icelandair
Wed, Apr 15 - Wed, Apr 22
Icelandair Logo
3:40 pm - 11:05 am
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
2:15 pm - 5:55 pm
DUB
-
SEA
11h 40m
1 stop
$408Icelandair
Tue, Apr 14 - Thu, Apr 23
Icelandair Logo
3:40 pm - 1:15 pm
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
12:15 pm - 5:55 pm
DUB
-
SEA
13h 40m
1 stop
$419Icelandair
Wed, Apr 22 - Wed, Apr 29
Icelandair Logo
2:35 pm - 10:15 am
SEA
-
DUB
11h 40m
1 stop
Icelandair Logo
11:30 am - 6:00 pm
DUB
-
SEA
13h 30m
1 stop
$423Icelandair
Tue, Mar 3 - Tue, Mar 10
Icelandair Logo
3:40 pm - 11:05 am
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
2:15 pm - 8:40 pm
DUB
-
SEA
14h 25m
1 stop
$426Icelandair
Tue, Apr 14 - Tue, Apr 21
Icelandair Logo
3:40 pm - 1:15 pm
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
2:15 pm - 8:40 pm
DUB
-
SEA
14h 25m
1 stop
$427Icelandair
Sun, Apr 19 - Thu, Apr 23
Icelandair Logo
3:40 pm - 11:05 am
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
12:15 pm - 8:40 pm
DUB
-
SEA
16h 25m
1 stop
$431Icelandair
Thu, Apr 16 - Wed, Apr 29
Icelandair Logo
7:00 pm - 11:05 am
SEA
-
DUB
32h 05m
1 stop
Icelandair Logo
2:15 pm - 8:40 pm
DUB
-
SEA
14h 25m
1 stop
$433Icelandair
Wed, Apr 15 - Thu, Apr 23
Icelandair Logo
3:40 pm - 11:05 am
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
2:15 pm - 8:40 pm
DUB
-
SEA
14h 25m
1 stop
$435Icelandair
Tue, Apr 28 - Tue, May 5
Icelandair Logo
7:00 pm - 11:05 am
SEA
-
DUB
32h 05m
1 stop
Icelandair Logo
12:15 pm - 8:40 pm
DUB
-
SEA
16h 25m
1 stop
$436Icelandair
Fri, Apr 24 - Fri, May 1

Air Canada flights from Seattle to Dublin

Our best Air Canada deals on Seattle to Dublin flight tickets
Air Canada
Mar 2
SEA8:00 pmSeattle/Tacoma Intl
27h 10m
2 stops
DUB7:10 amDublin
Mar 18
DUB8:00 amDublin
38h 01m
2 stops
SEA3:01 pmSeattle/Tacoma Intl
$476
Air Canada
Mar 1
SEA8:00 amSeattle/Tacoma Intl
15h 10m
1 stop
DUB7:10 amDublin
Mar 11
DUB8:00 amDublin
38h 01m
2 stops
SEA3:01 pmSeattle/Tacoma Intl
$495
Air Canada
Mar 24
SEA5:50 amSeattle/Tacoma Intl
17h 20m
2 stops
DUB6:10 amDublin
Apr 2
DUB9:50 amDublin
20h 01m
1 stop
SEA9:51 pmSeattle/Tacoma Intl
$499

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
Apr 15
SEA3:40 pmSeattle/Tacoma Intl
13h 35m
1 stop
DUB1:15 pmDublin
Apr 22
DUB12:15 pmDublin
13h 40m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$407
Icelandair
Apr 14
SEA3:40 pmSeattle/Tacoma Intl
11h 25m
1 stop
DUB11:05 amDublin
Apr 23
DUB2:15 pmDublin
11h 40m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$408
Icelandair
Apr 22
SEA3:40 pmSeattle/Tacoma Intl
13h 35m
1 stop
DUB1:15 pmDublin
Apr 29
DUB12:15 pmDublin
13h 40m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$419

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 832,500 searches. Data last updated January 27, 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

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/15

3:40 pm-1:15 pm

1 stop13h 35m

Dublin

Wed 4/22

12:15 pm-5:55 pm

1 stop13h 40m

$407

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 4/14

3:40 pm-11:05 am

1 stop11h 25m

Dublin

Thu 4/23

2:15 pm-5:55 pm

1 stop11h 40m

$408

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/22

3:40 pm-1:15 pm

1 stop13h 35m

Dublin

Wed 4/29

12:15 pm-5:55 pm

1 stop13h 40m

$419

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 3/3

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Tue 3/10

11:30 am-6:00 pm

1 stop13h 30m

$423

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 4/14

3:40 pm-11:05 am

1 stop11h 25m

Dublin

Tue 4/21

2:15 pm-8:40 pm

1 stop14h 25m

$426

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 4/19

3:40 pm-1:15 pm

1 stop13h 35m

Dublin

Thu 4/23

2:15 pm-8:40 pm

1 stop14h 25m

$427

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 4/16

3:40 pm-11:05 am

1 stop11h 25m

Dublin

Wed 4/29

12:15 pm-8:40 pm

1 stop16h 25m

$431

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/15

7:00 pm-11:05 am

1 stop32h 05m

Dublin

Thu 4/23

2:15 pm-8:40 pm

1 stop14h 25m

$433

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 4/28

3:40 pm-11:05 am

1 stop11h 25m

Dublin

Tue 5/5

2:15 pm-8:40 pm

1 stop14h 25m

$435

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 4/24

7:00 pm-11:05 am

1 stop32h 05m

Dublin

Fri 5/1

12:15 pm-8:40 pm

1 stop16h 25m

$436

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?

In general, November is the cheapest month to fly from Seattle to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $474. 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 $550.

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

The cheapest day to depart from Seattle to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $703. Flights from Seattle to Dublin on a Saturday will generally be more expensive and average around $901. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the evening is the cheapest time of day to fly from Seattle to Dublin when you can find flight prices for as low as $662. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $860.

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 $644 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 $574 on momondo.

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

There are 2 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.

Can stopping save me money on Seattle to Dublin flights?

You could potentially save up to 11% 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 January 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

$367

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is $367. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is $609.
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin every day.
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?

    Dublin is 4518.4 mi away from Seattle/Tacoma Intl. By plane, this route typically takes 9h 05m.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • 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
JetBluePriceFrom $101Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
Air CanadaPriceFrom $341Free CancellationRating
7.1
10,666 reviews
Search Air Canada flights
IcelandairPriceFrom $354Free CancellationRating
7.1
603 reviews
Search Icelandair flights
IberiaPriceFrom $367Free CancellationRating
7.0
3,099 reviews
Search Iberia flights
Aer LingusPriceFrom $404Free CancellationRating
7.2
1,442 reviews
Search Aer Lingus flights
KLMPriceFrom $405Free CancellationRating
7.7
1,443 reviews
Search KLM flights
British AirwaysPriceFrom $407Free CancellationRating
6.7
7,704 reviews
Search British Airways flights
United AirlinesPriceFrom $431Free CancellationRating
7.4
9,209 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $444Free CancellationRating
7.3
1,672 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $457Free CancellationRating
6.8
7,749 reviews
Search Lufthansa flights

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Athlone
Dundalk
Malahide
Mullingar
Bray
Kildare
Wicklow
Drogheda
Portmarnock
Arklow
Castleknock
Naas
Leixlip
Carlingford
Cavan
Maynooth
Thurles
Slane

Why use momondo?

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

It is quick and easy to find Seattle to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

Can I find flights from Seattle to Dublin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Dublin flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Dublin?

momondo provides multiple filters to help you find the best flight to Dublin from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Dublin from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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