Which airport is the most popular layover for flights between Seattle and Dublin?

Reykjavik (KEF) was the most common stop: 66% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Dublin?

Flights via Helsinki (HEL) offer the lowest average round-trip price of $326.

How many flights depart from Seattle to Dublin on average per week?

As of August 2025, there are 9 flights per week flying from Seattle to Dublin. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.

What airlines fly to Dublin?

Aer Lingus, Icelandair and American Airlines are the top three most popular airlines that fly to Dublin from Seattle according to our data. Aer Lingus is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 13 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seattle to Dublin?

Flights connecting via London (LHR) have the shortest average one-way travel time: 12h 43m.

Which layover airport has the shortest connection time from Seattle to Dublin?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 30m.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Dublin?

WestJet, JetBlue, and Aer Lingus are the most popular carriers operating from Seattle/Tacoma Intl to Dublin

How many flights depart from Seattle to Dublin on average per day?

The number of flights available between Seattle and Dublin is 1 per day as of August 2025. The most frequent departure time is 7:00PM, with 100% of daily flights leaving in the evening.

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?

There are 13 operators available for flights from Seattle/Tacoma Intl Airport to Dublin Airport as of August 2025.

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.

$210 Cheap Flights from Seattle to Dublin in 2025

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Find the cheapest flights from Seattle to Dublin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

$377Icelandair

Find Deal

Sun, Nov 2 - Sat, Nov 15

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

$379Icelandair

Find Deal

Fri, Nov 14 - Fri, Dec 5

3:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

$381Icelandair

Find Deal

Thu, Oct 30 - Tue, Nov 11

7:35 pm - 12:40 pmSEA-DUB

9h 05mnonstop

4:30 pm - 6:20 pmDUB-SEA

9h 50mnonstop

$400Aer Lingus

Find Deal

Mon, Oct 20 - Wed, Nov 5

8:05 pm - 1:10 pmSEA-DUB

9h 05mnonstop

4:30 pm - 6:20 pmDUB-SEA

9h 50mnonstop

$401Aer Lingus

Find Deal

Mon, Nov 10 - Wed, Nov 26

6:50 pm - 3:25 pmSEA-DUB

12h 35m1 stop

8:40 pm - 4:55 pmDUB-SEA

28h 15m1 stop

$422British Airways

Find Deal

Mon, Nov 24 - Tue, Dec 2

7:50 pm - 7:55 amSEA-DUB

29h 05m1 stop

8:40 pm - 11:30 amDUB-SEA

22h 50m1 stop

$424British Airways

Find Deal

Sun, Oct 26 - Mon, Nov 3

11:55 pm - 8:45 amSEA-DUB

24h 50m2 stops

10:45 am - 11:59 pmDUB-SEA

21h 14m2 stops

$438Delta

Find Deal

Sat, Nov 8 - Fri, Nov 14

6:00 am - 7:45 amSEA-DUB

17h 45m1 stop

6:00 am - 9:00 pmDUB-SEA

23h 00m2 stops

$452Delta

Find Deal

Tue, Nov 11 - Tue, Nov 18

8:36 am - 9:55 amSEA-DUB

17h 19m2 stops

9:00 am - 11:30 amDUB-SEA

34h 30m2 stops

$455United Airlines

Find Deal

Tue, Nov 18 - Wed, Nov 26

Aer Lingus flights from Seattle to Dublin

Our best Aer Lingus deals on Seattle to Dublin flight tickets

Aer Lingus

Oct 20

SEA7:35 pmSeattle/Tacoma Intl

9h 05m

DUB12:40 pmDublin

Nov 5

DUB4:30 pmDublin

9h 50m

SEA6:20 pmSeattle/Tacoma Intl

$400

Find similar

Aer Lingus

Nov 10

SEA8:05 pmSeattle/Tacoma Intl

9h 05m

DUB1:10 pmDublin

Nov 26

DUB4:30 pmDublin

9h 50m

SEA6:20 pmSeattle/Tacoma Intl

$401

Find similar

Aer Lingus

Nov 5

SEA8:05 pmSeattle/Tacoma Intl

9h 05m

DUB1:10 pmDublin

Nov 14

DUB4:30 pmDublin

9h 50m

SEA6:20 pmSeattle/Tacoma Intl

$402

Find similar

British Airways flights from Seattle to Dublin

Our best British Airways deals on Seattle to Dublin flight tickets

British Airways

Nov 24

SEA6:50 pmSeattle/Tacoma Intl

12h 35m

1 stop

DUB3:25 pmDublin

Dec 2

DUB8:40 pmDublin

28h 15m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$422

Find similar

British Airways

Oct 26

SEA7:50 pmSeattle/Tacoma Intl

29h 05m

1 stop

DUB7:55 amDublin

Nov 3

DUB8:40 pmDublin

22h 50m

1 stop

SEA11:30 amSeattle/Tacoma Intl

$424

Find similar

British Airways

Nov 2

SEA6:50 pmSeattle/Tacoma Intl

14h 00m

1 stop

DUB4:50 pmDublin

Nov 5

DUB6:00 pmDublin

30h 55m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$426

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 11/2

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Sat 11/15

11:30 am-5:00 pm

1 stop13h 30m

$377

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 11/14

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Fri 12/5

11:30 am-5:00 pm

1 stop13h 30m

$379

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 10/30

3:35 pm-10:15 am

1 stop11h 40m

Dublin

Tue 11/11

11:30 am-5:00 pm

1 stop13h 30m

$381

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 10/20

7:35 pm-12:40 pm

Nonstop9h 05m

Dublin

Wed 11/5

4:30 pm-6:20 pm

Nonstop9h 50m

$400

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 11/10

8:05 pm-1:10 pm

Nonstop9h 05m

Dublin

Wed 11/26

4:30 pm-6:20 pm

Nonstop9h 50m

$401

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 11/24

6:50 pm-3:25 pm

1 stop12h 35m

Dublin

Tue 12/2

8:40 pm-4:55 pm

1 stop28h 15m

$422

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 10/26

7:50 pm-7:55 am

1 stop29h 05m

Dublin

Mon 11/3

8:40 pm-11:30 am

1 stop22h 50m

$424

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 11/8

11:55 pm-8:45 am

2 stops24h 50m

Dublin

Fri 11/14

10:45 am-11:59 pm

2 stops21h 14m

$438

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/11

6:00 am-7:45 am

1 stop17h 45m

Dublin

Tue 11/18

6:00 am-9:00 pm

2 stops23h 00m

$452

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/18

8:36 am-9:55 am

2 stops17h 19m

Dublin

Wed 11/26

9:00 am-11:30 am

2 stops34h 30m

$455

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Dublin?

In general, January 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 $438. 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 $508.

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

The cheapest day to depart from Seattle to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $748. Flights from Seattle to Dublin on a Saturday will generally be more expensive and average around $911. 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?

At noon is the cheapest time of day to fly from Seattle to Dublin when you can find flight prices for as low as $610. Flying to Dublin at noon 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 $893.

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 $657 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 $568 on momondo.

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

There are 3 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 7% 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 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	$428
Fastest flight time	9h 00m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Seattle in the past 72 hours is $428. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is $530.

The fastest flight from Seattle to Dublin takes 9h 00m

Direct flights go from Seattle to Dublin every day.

There is 1 airport near Dublin: 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 00m.
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?
There are 13 operators available for flights from Seattle/Tacoma Intl Airport to Dublin Airport as of August 2025.
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?
Based on momondo bookings for flights between Seattle and Dublin, the leading plane model is Airbus A330-200, making up 67.98% of the total bookings. Other popular models include Airbus A330-900neo with 8.93%, Boeing 777-300ER with 4.33%, and Boeing 787-10 Dreamliner with 4.20%.
What is the most popular airline from Seattle to Dublin?
Based on momondo bookings for flights between Seattle and Dublin, the leading airline is Aer Lingus, making up 59% of the total bookings. Other popular airlines include Icelandair with 21%, American Airlines with 6%, and British Airways with 5%.

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
JetBlue	PriceFrom $101	Free Cancellation	Rating 7.2 2,918 reviews	Search JetBlue flights
Air France	PriceFrom $337	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
Air Canada	PriceFrom $341	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Iberia	PriceFrom $363	Free Cancellation	Rating 7.0 2,891 reviews	Search Iberia flights
Icelandair	PriceFrom $375	Free Cancellation	Rating 7.0 533 reviews	Search Icelandair flights
Delta	PriceFrom $399	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
KLM	PriceFrom $405	Free Cancellation	Rating 7.8 1,387 reviews	Search KLM flights
Aer Lingus	PriceFrom $423	Free Cancellation	Rating 7.2 1,237 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $431	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights
British Airways	PriceFrom $448	Free Cancellation	Rating 6.7 7,309 reviews	Search British Airways flights

Aer Lingus Flights From Seattle to Dublin
Aer Lingus flies from Seattle to Dublin around 3 times per week, with 1,237 momondo users rating the airline 7.2/10. The cheapest Aer Lingus deal from Seattle to Dublin in the last 72 hours was $423 (round-trip), much lower than the average airfare cost of $724 for Aer Lingus flights on this route.
American Airlines Flights From Seattle to Dublin
American Airlines (7.2/10 from 10,000 reviews) operates around 3 flights from Seattle to Dublin in any given week. The average American Airlines airfare for this route is around $963, with deals from around $547 rare but found on momondo. Referenced prices are for round-trip Seattle to Dublin flight searches in the last 72 hours.

Kilkenny

Swords

Athlone

Dundalk

Malahide

Maynooth

Leixlip

Bray

Castleknock

Kildare

Naas

Mullingar

Arklow

Cavan

Enniscorthy

Wicklow

Drogheda

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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Airports servicing Ireland

Cheap flights from Seattle to Dublin from $210

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 10/14. 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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Aer Lingus flights from Seattle to Dublin

Our best Aer Lingus deals on Seattle to Dublin flight tickets

British Airways flights from Seattle to Dublin

Our best British Airways deals on Seattle to Dublin flight tickets

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Use the filters below to find and compare flights from Seattle to Dublin that are best for you.

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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?

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

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

At noon is the cheapest time of day to fly from Seattle to Dublin when you can find flight prices for as low as $610. Flying to Dublin at noon 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 $893.

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?

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

There are 3 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 7% 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 August 2025, prices for Seattle to Dublin flights are approximately 8% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Dublin?

WestJet, JetBlue, and Aer Lingus are the most popular carriers operating from Seattle/Tacoma Intl to Dublin

What airlines fly to Dublin?

Which airport is the most popular layover for flights between Seattle and Dublin?

Reykjavik (KEF) was the most common stop: 66% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Dublin?

Flights via Helsinki (HEL) offer the lowest average round-trip price of $326.

Which layover airport has the shortest travel time from Seattle to Dublin?

Flights connecting via London (LHR) have the shortest average one-way travel time: 12h 43m.

Which layover airport has the shortest connection time from Seattle to Dublin?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 30m.

How many flights depart from Seattle to Dublin on average per day?

The number of flights available between Seattle and Dublin is 1 per day as of August 2025. The most frequent departure time is 7:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Seattle to Dublin on average per week?

As of August 2025, there are 9 flights per week flying from Seattle to Dublin. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.

When to book flights from Seattle to Dublin

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

Fastest flight time

Direct flights

Airports in Dublin

How far is Seattle/Tacoma Intl to Dublin by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Dublin Airport?

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?

What documentation or ID do you need to fly to Dublin Airport?

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

Aer Lingus Flights From Seattle to Dublin

American Airlines Flights From Seattle to Dublin

Traveling to a place near Dublin?

Why use momondo?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.