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 20m.

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

Amsterdam (AMS) has the shortest average layover time for this route: 0h 58m.

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

As of March 2026, there are 4 flights per week flying from Seattle to Dublin. The most common day of the week flights depart is Sun, with 100% of flights taking off on this day.

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

Reykjavik (KEF) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

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 71% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 12 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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 12 operators available for flights from Seattle/Tacoma Intl Airport to Dublin Airport as of March 2026.

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.

$245 Cheap Flights from Seattle to Dublin in 2026

Q: What is the typical price of a round-trip flight between Seattle and Dublin?

Prices are currently low for flights on this route. Typical prices usually range from $782 to $529. The lowest price recently found on this route was $636.

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3:55 pm - 8:00 am

SEA

DUB

32h 05m

2 stops

7:50 pm - 1:45 pm

DUB

SEA

25h 55m

2 stops

$636Scandinavian Airlines

Fri, Aug 28 - Mon, Sep 7

12:00 pm - 11:50 am

SEA

DUB

39h 50m

2 stops

12:40 pm - 1:45 pm

DUB

SEA

33h 05m

1 stop

$641Scandinavian Airlines

Wed, Aug 19 - Fri, Sep 4

3:55 pm - 10:25 am

SEA

DUB

34h 30m

2 stops

8:00 pm - 1:45 pm

DUB

SEA

25h 45m

2 stops

$642Scandinavian Airlines

Tue, Sep 8 - Sat, Sep 26

3:55 pm - 9:25 am

SEA

DUB

33h 30m

1 stop

7:50 pm - 1:45 pm

DUB

SEA

25h 55m

2 stops

$643Scandinavian Airlines

Fri, Aug 21 - Mon, Aug 31

7:00 pm - 12:35 am

SEA

DUB

21h 35m

2 stops

1:00 pm - 9:38 am

DUB

SEA

28h 38m

2 stops

$644Multiple Airlines

Mon, Apr 13 - Tue, Apr 28

3:55 pm - 9:25 am

SEA

DUB

33h 30m

1 stop

10:15 am - 1:45 pm

DUB

SEA

35h 30m

1 stop

$645Scandinavian Airlines

Fri, Sep 11 - Sat, Sep 19

3:40 pm - 8:20 am

SEA

DUB

32h 40m

3 stops

9:40 am - 9:40 am

DUB

SEA

32h 00m

2 stops

$646Multiple Airlines

Mon, Apr 13 - Wed, Apr 29

7:00 pm - 12:35 am

SEA

DUB

21h 35m

2 stops

1:00 pm - 6:45 pm

DUB

SEA

13h 45m

1 stop

$647Multiple Airlines

Mon, Apr 13 - Tue, Apr 28

3:40 pm - 6:30 pm

SEA

DUB

18h 50m

2 stops

1:00 pm - 6:45 pm

DUB

SEA

13h 45m

1 stop

$650Multiple Airlines

Sun, Apr 26 - Sun, May 3

7:10 pm - 11:05 pm

SEA

DUB

19h 55m

1 stop

5:45 am - 5:15 pm

DUB

SEA

19h 30m

1 stop

$653Turkish Airlines

Wed, May 6 - Thu, May 21

Scandinavian Airlines flights from Seattle to Dublin

Our best Scandinavian Airlines deals on Seattle to Dublin flight tickets

Scandinavian Airlines

Sep 12

SEA3:55 pmSeattle/Tacoma Intl

34h 30m

2 stops

DUB10:25 amDublin

Sep 19

DUB10:15 amDublin

35h 30m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$626

Scandinavian Airlines

Aug 28

SEA3:55 pmSeattle/Tacoma Intl

32h 05m

2 stops

DUB8:00 amDublin

Sep 7

DUB7:50 pmDublin

25h 55m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$636

Scandinavian Airlines

Aug 19

SEA12:00 pmSeattle/Tacoma Intl

39h 50m

2 stops

DUB11:50 amDublin

Sep 4

DUB12:40 pmDublin

33h 05m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$641

Turkish Airlines flights from Seattle to Dublin

Our best Turkish Airlines deals on Seattle to Dublin flight tickets

Turkish Airlines

Apr 15

SEA7:10 pmSeattle/Tacoma Intl

19h 55m

1 stop

DUB11:05 pmDublin

Apr 21

DUB10:40 amDublin

38h 35m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$650

Turkish Airlines

May 6

SEA7:10 pmSeattle/Tacoma Intl

19h 55m

1 stop

DUB11:05 pmDublin

May 21

DUB5:45 amDublin

19h 30m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$653

Turkish Airlines

Sep 1

SEA7:10 pmSeattle/Tacoma Intl

19h 55m

1 stop

DUB11:05 pmDublin

Sep 8

DUB5:35 amDublin

19h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$670

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 8/28

3:55 pm-8:00 am

2 stops32h 05m

Dublin

Mon 9/7

7:50 pm-1:45 pm

2 stops25h 55m

$636

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 8/19

12:00 pm-11:50 am

2 stops39h 50m

Dublin

Fri 9/4

12:40 pm-1:45 pm

1 stop33h 05m

$641

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 9/8

3:55 pm-10:25 am

2 stops34h 30m

Dublin

Sat 9/26

8:00 pm-1:45 pm

2 stops25h 45m

$642

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 8/21

3:55 pm-9:25 am

1 stop33h 30m

Dublin

Mon 8/31

7:50 pm-1:45 pm

2 stops25h 55m

$643

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 4/13

7:00 pm-12:35 am

2 stops21h 35m

Dublin

Tue 4/28

1:00 pm-9:38 am

2 stops28h 38m

$644

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 9/11

3:55 pm-9:25 am

1 stop33h 30m

Dublin

Sat 9/19

10:15 am-1:45 pm

1 stop35h 30m

$645

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 4/13

3:40 pm-8:20 am

3 stops32h 40m

Dublin

Wed 4/29

9:40 am-9:40 am

2 stops32h 00m

$646

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 4/13

7:00 pm-12:35 am

2 stops21h 35m

Dublin

Tue 4/28

1:00 pm-6:45 pm

1 stop13h 45m

$647

Quickest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-6:30 pm

2 stops18h 50m

Dublin

Sun 5/3

1:00 pm-6:45 pm

1 stop13h 45m

$650

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 5/6

7:10 pm-11:05 pm

1 stop19h 55m

Dublin

Thu 5/21

5:45 am-5:15 pm

1 stop19h 30m

$653

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 typical price of a round-trip flight between Seattle and Dublin?

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 $468. 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 $471.

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 $691. Flights from Seattle to Dublin on a Saturday will generally be more expensive and average around $865. 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 $686. 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 $815.

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 $626 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 $526 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 24% 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 March 2026, prices for Seattle to Dublin flights are approximately 21% 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	$379
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 $379. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is $780.

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?
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?
There are 12 operators available for flights from Seattle/Tacoma Intl Airport to Dublin Airport as of March 2026.
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 64.80% of the total bookings. Other popular models include Airbus A330-900neo with 11.14%, Boeing 787-10 Dreamliner with 5.28%, and Boeing 787-9 Dreamliner with 3.37%.
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 62% of the total bookings. Other popular airlines include Icelandair with 16%, American Airlines with 6%, and British Airways with 3%.

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 2,906 reviews	Search JetBlue flights
Air Canada	PriceFrom $341	Free Cancellation	Rating 7.1 10,862 reviews	Search Air Canada flights
Icelandair	PriceFrom $347	Free Cancellation	Rating 7.0 627 reviews	Search Icelandair flights
Iberia	PriceFrom $367	Free Cancellation	Rating 7.0 3,160 reviews	Search Iberia flights
Aer Lingus	PriceFrom $395	Free Cancellation	Rating 7.2 1,493 reviews	Search Aer Lingus flights
KLM	PriceFrom $405	Free Cancellation	Rating 7.8 1,480 reviews	Search KLM flights
United Airlines	PriceFrom $407	Free Cancellation	Rating 7.4 9,514 reviews	Search United Airlines flights
British Airways	PriceFrom $407	Free Cancellation	Rating 6.7 7,836 reviews	Search British Airways flights
Lufthansa	PriceFrom $456	Free Cancellation	Rating 6.8 7,877 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $468	Free Cancellation	Rating 7.3 1,731 reviews	Search Scandinavian Airlines flights

Aer Lingus Flights From Seattle to Dublin
Aer Lingus flies from Seattle to Dublin around 1 time per week, with 1,493 momondo users rating the airline 7.2/10. The cheapest Aer Lingus deal from Seattle to Dublin in the last 72 hours was $395 (round-trip), much lower than the average airfare cost of $667 for Aer Lingus flights on this route.
American Airlines Flights From Seattle to Dublin
American Airlines (7.1/10 from 11,531 reviews) operates around 1 flight from Seattle to Dublin in any given week. The average American Airlines airfare for this route is around $849, with deals from around $493 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

Bray

Kildare

Mullingar

Wicklow

Drogheda

Portmarnock

Arklow

Castleknock

Leixlip

Carlingford

Cavan

Malahide

Maynooth

Naas

Slane

Thurles

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

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Cheap flights from Seattle to Dublin from $245

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 4/21. 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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See travel insights to Dublin from

How to get the cheapest flight ticket from Seattle to Dublin

What is the typical price of a round-trip flight between Seattle and Dublin?

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?

What is the cheapest Seattle/Tacoma Intl to Dublin flight route?

How far in advance should I book a flight to Dublin?

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

Can stopping save me money on Seattle to Dublin flights?

How have Seattle to Dublin flight prices changed over time?

What airlines fly to Dublin?

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

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

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

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

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

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

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?

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.

Find better results for your trip to Ireland

Airports servicing Ireland

Fly your favorite airline to Dublin

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Dublin

List of cabin classes available on flights landing in Dublin. Availability may vary depending on flight origin and airline.

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