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

JetBlue is the most popular carrier operating from Seattle/Tacoma Intl to Dublin

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

As of May 2026, 2 flights take off from Seattle and land in Dublin each day. The most common flight departure time for this route is 7:00p.m., with 100% of daily flights taking off in the evening.

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

The number of flights available between Seattle and Dublin is 16 per week as of May 2026. The most frequent departure day is Tue, with 25% of weekly flights leaving on this day.

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?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Dublin Airport is 1 as of May 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 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.

C$ 491 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 C$ 1,220 to C$ 730. The lowest price recently found on this route was C$ 985.

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One-way

Last minute

Direct

Cheap round-trip flights

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12:36 p.m. - 11:50 a.m.

SEA

DUB

39h 14m

2 stops

12:40 p.m. - 1:45 p.m.

DUB

SEA

33h 05m

1 stop

C$ 985Scandinavian Airlines

Wed, 19 Aug - Fri, 11 Sep

12:36 p.m. - 11:50 a.m.

SEA

DUB

39h 14m

2 stops

12:40 p.m. - 1:45 p.m.

DUB

SEA

33h 05m

1 stop

C$ 986Scandinavian Airlines

Wed, 19 Aug - Fri, 11 Sep

3:55 p.m. - 10:25 a.m.

SEA

DUB

34h 30m

2 stops

7:50 p.m. - 1:45 p.m.

DUB

SEA

25h 55m

2 stops

C$ 991Scandinavian Airlines

Sat, 22 Aug - Mon, 31 Aug

3:55 p.m. - 10:25 a.m.

SEA

DUB

34h 30m

2 stops

7:50 p.m. - 1:45 p.m.

DUB

SEA

25h 55m

2 stops

C$ 1,005Scandinavian Airlines

Tue, 25 Aug - Fri, 25 Sep

10:35 a.m. - 6:20 p.m.

SEA

DUB

23h 45m

2 stops

11:10 a.m. - 1:45 p.m.

DUB

SEA

34h 35m

2 stops

C$ 1,009Scandinavian Airlines

Wed, 19 Aug - Fri, 11 Sep

10:35 a.m. - 6:20 p.m.

SEA

DUB

23h 45m

2 stops

8:00 p.m. - 1:45 p.m.

DUB

SEA

25h 45m

2 stops

C$ 1,020Scandinavian Airlines

Thu, 27 Aug - Sat, 5 Sep

3:55 p.m. - 10:25 a.m.

SEA

DUB

34h 30m

2 stops

11:10 a.m. - 1:45 p.m.

DUB

SEA

34h 35m

2 stops

C$ 1,069Scandinavian Airlines

Tue, 1 Sep - Fri, 18 Sep

3:55 p.m. - 10:25 a.m.

SEA

DUB

34h 30m

2 stops

8:00 p.m. - 1:45 p.m.

DUB

SEA

25h 45m

2 stops

C$ 1,074Scandinavian Airlines

Tue, 8 Sep - Sat, 26 Sep

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

SEA

DUB

27h 00m

2 stops

8:00 p.m. - 1:45 p.m.

DUB

SEA

25h 45m

2 stops

C$ 1,075Scandinavian Airlines

Wed, 9 Sep - Sat, 26 Sep

11:55 p.m. - 6:05 p.m.

SEA

DUB

34h 10m

2 stops

6:50 p.m. - 10:38 p.m.

DUB

SEA

59h 48m

2 stops

C$ 1,094TAP AIR PORTUGAL

Sun, 13 Sep - Sun, 20 Sep

JetBlue flights from Seattle to Dublin

Our best JetBlue deals on Seattle to Dublin flight tickets

JetBlue

4 Sep

SEA11:45 a.m.Seattle/Tacoma Intl

12h 35m

1 stop

DUB8:20 a.m.Dublin

8 Sep

DUB10:40 a.m.Dublin

20h 09m

1 stop

SEA10:49 p.m.Seattle/Tacoma Intl

C$ 1,192

JetBlue

23 Jul

SEA11:45 a.m.Seattle/Tacoma Intl

12h 35m

1 stop

DUB8:20 a.m.Dublin

28 Aug

DUB11:30 a.m.Dublin

17h 34m

1 stop

SEA9:04 p.m.Seattle/Tacoma Intl

C$ 1,212

JetBlue

7 Jul

SEA11:45 a.m.Seattle/Tacoma Intl

12h 35m

1 stop

DUB8:20 a.m.Dublin

15 Jul

DUB11:30 a.m.Dublin

17h 34m

1 stop

SEA9:04 p.m.Seattle/Tacoma Intl

C$ 1,223

Scandinavian Airlines flights from Seattle to Dublin

Our best Scandinavian Airlines deals on Seattle to Dublin flight tickets

Scandinavian Airlines

19 Aug

SEA12:36 p.m.Seattle/Tacoma Intl

39h 14m

2 stops

DUB11:50 a.m.Dublin

11 Sep

DUB12:40 p.m.Dublin

33h 05m

1 stop

SEA1:45 p.m.Seattle/Tacoma Intl

C$ 985

Scandinavian Airlines

19 Aug

SEA12:36 p.m.Seattle/Tacoma Intl

39h 14m

2 stops

DUB11:50 a.m.Dublin

11 Sep

DUB12:40 p.m.Dublin

33h 05m

1 stop

SEA1:45 p.m.Seattle/Tacoma Intl

C$ 986

Scandinavian Airlines

22 Aug

SEA3:55 p.m.Seattle/Tacoma Intl

34h 30m

2 stops

DUB10:25 a.m.Dublin

31 Aug

DUB7:50 p.m.Dublin

25h 55m

2 stops

SEA1:45 p.m.Seattle/Tacoma Intl

C$ 991

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/8

12:36 p.m.-11:50 a.m.

2 stops39h 14m

Dublin

Fri 11/9

12:40 p.m.-1:45 p.m.

1 stop33h 05m

C$ 985

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/8

12:36 p.m.-11:50 a.m.

2 stops39h 14m

Dublin

Fri 11/9

12:40 p.m.-1:45 p.m.

1 stop33h 05m

C$ 986

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 22/8

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Mon 31/8

7:50 p.m.-1:45 p.m.

2 stops25h 55m

C$ 991

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 25/8

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Fri 25/9

7:50 p.m.-1:45 p.m.

2 stops25h 55m

C$ 1,005

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/8

10:35 a.m.-6:20 p.m.

2 stops23h 45m

Dublin

Fri 11/9

11:10 a.m.-1:45 p.m.

2 stops34h 35m

C$ 1,009

Quickest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 27/8

10:35 a.m.-6:20 p.m.

2 stops23h 45m

Dublin

Sat 5/9

8:00 p.m.-1:45 p.m.

2 stops25h 45m

C$ 1,020

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/9

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Fri 18/9

11:10 a.m.-1:45 p.m.

2 stops34h 35m

C$ 1,069

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 8/9

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Sat 26/9

8:00 p.m.-1:45 p.m.

2 stops25h 45m

C$ 1,074

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 9/9

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

2 stops27h 00m

Dublin

Sat 26/9

8:00 p.m.-1:45 p.m.

2 stops25h 45m

C$ 1,075

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 13/9

11:55 p.m.-6:05 p.m.

2 stops34h 10m

Dublin

Sun 20/9

6:50 p.m.-10:38 p.m.

2 stops59h 48m

C$ 1,094

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

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?

If you’re not able to fly to Dublin in February, then November is your next best option. Flight prices from Seattle to Dublin during November average around C$ 640.

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 Sunday. momondo users have found tickets for Sunday departures for as low as C$ 832. 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$ 1,395. 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 afternoon. momondo users have found flights departing from Seattle to Dublin in the afternoon for as low as C$ 905. 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 evening are often more expensive with an average ticket price of C$ 1,066.

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 from Seattle 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$ 841 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$ 666 on momondo.

Can stopping save me money on Seattle to Dublin flights?

No. A direct flight is the cheapest option for a flight between Seattle to Dublin.

How have Seattle to Dublin flight prices changed over time?

As of May 2026, prices for Seattle to Dublin flights are approximately 14% 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$ 1,279
Fastest flight time	9h 05m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Dublin	1 airport

The best flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 1,279

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

Frequently asked questions about flying from Seattle to Dublin

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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Dublin Airport is 1 as of May 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 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?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Dublin is Airbus A330-200, representing 69.90% of all bookings. The subsequent popular models are Airbus A330-900neo at 9.33%, Boeing 787-10 Dreamliner at 4.14%, and Airbus A320-100/200 at 2.86%.
What is the most popular airline from Seattle to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Dublin is Aer Lingus (100% of total bookings).

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
Aer Lingus	PriceFrom C$ 630	Free Cancellation	Rating 7.3 1,551 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$ 630. Generally, Aer Lingus has 4 flights on this route every week with an average price of C$ 961. Aer Lingus is rated 7.3/10 by our users.

Kilkenny

Swords

Bray

Arklow

Maynooth

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.

An easier way to manage your Dublin trip

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Cheap flights from Seattle to Dublin from C$ 492

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 13/6. 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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JetBlue flights from Seattle to Dublin

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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 from Seattle to Dublin?

Can stopping save me money on Seattle to Dublin flights?

How have Seattle to Dublin flight prices changed over time?

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

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

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

Frequently asked questions about flying 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

Travelling 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 favourite 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.

Popular Cities in Ireland

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