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

Icelandair 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, 4 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 28 per week as of May 2026. The most frequent departure day is Mon, with 14% 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$ 417 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$ 1,654 to C$ 1,052. The lowest price recently found on this route was C$ 1,240.

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Find the cheapest flights from Seattle to Dublin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

SEA

DUB

11h 40m

1 stop

11:30 a.m. - 5:00 p.m.

DUB

SEA

13h 30m

1 stop

C$ 1,240Icelandair

Sat, 21 Nov - Sun, 13 Dec

8:05 p.m. - 9:40 a.m.

SEA

DUB

30h 35m

1 stop

4:50 p.m. - 7:10 p.m.

DUB

SEA

33h 20m

1 stop

C$ 1,246Turkish Airlines

Mon, 26 Oct - Sat, 31 Oct

7:15 p.m. - 9:35 a.m.

SEA

DUB

30h 20m

1 stop

10:40 a.m. - 5:20 p.m.

DUB

SEA

38h 40m

1 stop

C$ 1,252Turkish Airlines

Sun, 13 Sep - Sun, 20 Sep

1:00 p.m. - 11:10 a.m.

SEA

DUB

14h 10m

1 stop

9:50 a.m. - 2:22 p.m.

DUB

SEA

12h 32m

1 stop

C$ 1,254United Airlines

Wed, 9 Sep - Sun, 13 Sep

7:50 p.m. - 7:55 a.m.

SEA

DUB

29h 05m

1 stop

8:40 p.m. - 4:55 p.m.

DUB

SEA

28h 15m

1 stop

C$ 1,257British Airways

Wed, 28 Oct - Sun, 8 Nov

8:30 a.m. - 9:55 a.m.

SEA

DUB

17h 25m

2 stops

9:00 a.m. - 8:54 p.m.

DUB

SEA

19h 54m

1 stop

C$ 1,258United Airlines

Wed, 4 Nov - Sat, 14 Nov

12:13 p.m. - 1:15 p.m.

SEA

DUB

17h 02m

2 stops

11:30 a.m. - 6:00 p.m.

DUB

SEA

13h 30m

1 stop

C$ 1,259Icelandair

Wed, 7 Oct - Fri, 30 Oct

11:45 a.m. - 8:20 a.m.

SEA

DUB

12h 35m

1 stop

10:40 a.m. - 10:49 p.m.

DUB

SEA

20h 09m

1 stop

C$ 1,261JetBlue

Tue, 25 Aug - Wed, 2 Sep

11:25 p.m. - 1:15 p.m.

SEA

DUB

29h 50m

1 stop

10:25 a.m. - 8:40 p.m.

DUB

SEA

18h 15m

2 stops

C$ 1,262Multiple Airlines

Tue, 8 Sep - Sat, 26 Sep

7:15 p.m. - 4:00 p.m.

SEA

DUB

36h 45m

1 stop

10:40 a.m. - 10:40 a.m.

DUB

SEA

32h 00m

1 stop

C$ 1,265Turkish Airlines

Wed, 19 Aug - Fri, 11 Sep

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets

Icelandair

21 Nov

SEA2:35 p.m.Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15 a.m.Dublin

13 Dec

DUB11:30 a.m.Dublin

13h 30m

1 stop

SEA5:00 p.m.Seattle/Tacoma Intl

C$ 1,240

Icelandair

7 Oct

SEA12:13 p.m.Seattle/Tacoma Intl

17h 02m

2 stops

DUB1:15 p.m.Dublin

30 Oct

DUB11:30 a.m.Dublin

13h 30m

1 stop

SEA6:00 p.m.Seattle/Tacoma Intl

C$ 1,259

Icelandair

23 Sep

SEA12:30 p.m.Seattle/Tacoma Intl

16h 45m

2 stops

DUB1:15 p.m.Dublin

6 Oct

DUB2:15 p.m.Dublin

11h 40m

1 stop

SEA5:55 p.m.Seattle/Tacoma Intl

C$ 1,276

Scandinavian Airlines flights from Seattle to Dublin

Our best Scandinavian Airlines deals on Seattle to Dublin flight tickets

Scandinavian Airlines

14 Aug

SEA3:55 p.m.Seattle/Tacoma Intl

32h 05m

2 stops

DUB8:00 a.m.Dublin

21 Aug

DUB7:50 p.m.Dublin

25h 55m

2 stops

SEA1:45 p.m.Seattle/Tacoma Intl

C$ 1,284

Scandinavian Airlines

2 Jun

SEA3:55 p.m.Seattle/Tacoma Intl

34h 30m

2 stops

DUB10:25 a.m.Dublin

19 Jun

DUB7:05 p.m.Dublin

26h 40m

1 stop

SEA1:45 p.m.Seattle/Tacoma Intl

C$ 1,805

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 21/11

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

1 stop11h 40m

Dublin

Sun 13/12

11:30 a.m.-5:00 p.m.

1 stop13h 30m

C$ 1,240

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 26/10

8:05 p.m.-9:40 a.m.

1 stop30h 35m

Dublin

Sat 31/10

4:50 p.m.-7:10 p.m.

1 stop33h 20m

C$ 1,246

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 13/9

7:15 p.m.-9:35 a.m.

1 stop30h 20m

Dublin

Sun 20/9

10:40 a.m.-5:20 p.m.

1 stop38h 40m

C$ 1,252

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 9/9

1:00 p.m.-11:10 a.m.

1 stop14h 10m

Dublin

Sun 13/9

9:50 a.m.-2:22 p.m.

1 stop12h 32m

C$ 1,254

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 28/10

7:50 p.m.-7:55 a.m.

1 stop29h 05m

Dublin

Sun 8/11

8:40 p.m.-4:55 p.m.

1 stop28h 15m

C$ 1,257

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/11

8:30 a.m.-9:55 a.m.

2 stops17h 25m

Dublin

Sat 14/11

9:00 a.m.-8:54 p.m.

1 stop19h 54m

C$ 1,258

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 7/10

12:13 p.m.-1:15 p.m.

2 stops17h 02m

Dublin

Fri 30/10

11:30 a.m.-6:00 p.m.

1 stop13h 30m

C$ 1,259

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 25/8

11:45 a.m.-8:20 a.m.

1 stop12h 35m

Dublin

Wed 2/9

10:40 a.m.-10:49 p.m.

1 stop20h 09m

C$ 1,261

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 8/9

11:25 p.m.-1:15 p.m.

1 stop29h 50m

Dublin

Sat 26/9

10:25 a.m.-8:40 p.m.

2 stops18h 15m

C$ 1,262

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/8

7:15 p.m.-4:00 p.m.

1 stop36h 45m

Dublin

Fri 11/9

10:40 a.m.-10:40 a.m.

1 stop32h 00m

C$ 1,265

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$ 646.

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$ 840. 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$ 1,408. 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$ 914. 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$ 1,096.

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$ 860 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$ 672 on momondo.

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

There is only 1 cabin class available to choose from on Seattle 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?

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 13% 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$ 1,425
Fastest flight time	9h 05m
Direct flights	Every day
Airports in Dublin	1 airport

The best flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 1,425

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

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 73.44% of all bookings. The subsequent popular models are Airbus A330-900neo at 7.88%, Airbus A320-100/200 at 3.26%, and Airbus A330-300 at 2.83%.
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$ 637	Free Cancellation	Rating 7.3 1,587 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$ 637. Generally, Aer Lingus has 7 flights on this route every week with an average price of C$ 971. Aer Lingus is rated 7.3/10 by our users.

Kilkenny

Swords

Bray

Arklow

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

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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Cheap flights from Seattle to Dublin from C$ 417

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 5/8. 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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Big names, great deals

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Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets

Scandinavian Airlines flights from Seattle to Dublin

Our best Scandinavian Airlines deals on Seattle to Dublin flight tickets

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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?

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

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.

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