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

As of November 2025, 1 flights take off from Seattle and land in Dublin each day. The most common flight departure time for this route is 8:00p.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 12 per week as of November 2025. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.

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

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

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 2 as of November 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 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$ 559 Cheap Flights from Seattle to Dublin in 2025/26

1 adult

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One-way

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Cheap round-trip flights

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

11h 40m1 stop

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

13h 30m1 stop

C$ 566Icelandair

Find Deal

Thu, 8 Jan - Thu, 15 Jan

6:50 p.m. - 4:50 p.m.SEA-DUB

14h 00m1 stop

1:00 p.m. - 11:30 a.m.DUB-SEA

30h 30m1 stop

C$ 586British Airways

Find Deal

Sun, 11 Jan - Mon, 19 Jan

6:50 p.m. - 5:00 p.m.SEA-DUB

14h 10m1 stop

11:30 a.m. - 9:47 p.m.DUB-SEA

18h 17m2 stops

C$ 596Multiple Airlines

Find Deal

Wed, 14 Jan - Wed, 21 Jan

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

11h 40m1 stop

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

13h 30m1 stop

C$ 600Icelandair

Find Deal

Thu, 8 Jan - Mon, 19 Jan

8:10 a.m. - 10:20 a.m.SEA-DUB

18h 10m1 stop

12:05 p.m. - 8:54 p.m.DUB-SEA

16h 49m1 stop

C$ 607United Airlines

Find Deal

Wed, 3 Dec - Fri, 12 Dec

7:00 a.m. - 9:55 a.m.SEA-DUB

18h 55m2 stops

9:30 a.m. - 10:47 p.m.DUB-SEA

21h 17m2 stops

C$ 614United Airlines

Find Deal

Tue, 2 Dec - Thu, 11 Dec

11:55 p.m. - 7:45 a.m.SEA-DUB

23h 50m1 stop

9:45 a.m. - 11:58 p.m.DUB-SEA

22h 13m1 stop

C$ 616Delta

Find Deal

Mon, 1 Dec - Wed, 10 Dec

3:35 p.m. - 10:15 a.m.SEA-DUB

11h 40m1 stop

12:15 p.m. - 8:45 p.m.DUB-SEA

16h 30m1 stop

C$ 618Icelandair

Find Deal

Sun, 22 Mar - Sun, 29 Mar

11:55 p.m. - 7:45 a.m.SEA-DUB

23h 50m1 stop

10:45 a.m. - 11:58 p.m.DUB-SEA

21h 13m2 stops

C$ 621Delta

Find Deal

Mon, 1 Dec - Tue, 9 Dec

12:40 p.m. - 8:10 a.m.SEA-DUB

35h 30m2 stops

10:40 a.m. - 7:03 p.m.DUB-SEA

16h 23m1 stop

C$ 625United Airlines

Find Deal

Sat, 7 Feb - Wed, 25 Feb

Lufthansa flights from Seattle to Dublin

Our best Lufthansa deals on Seattle to Dublin flight tickets

Lufthansa

17 Feb

SEA10:05 a.m.Seattle/Tacoma Intl

23h 05m

2 stops

DUB5:10 p.m.Dublin

5 Mar

DUB5:00 a.m.Dublin

15h 10m

1 stop

SEA12:10 p.m.Seattle/Tacoma Intl

C$ 660

Find similar

Lufthansa

17 Feb

SEA10:05 a.m.Seattle/Tacoma Intl

23h 05m

2 stops

DUB5:10 p.m.Dublin

3 Mar

DUB5:00 a.m.Dublin

22h 03m

2 stops

SEA7:03 p.m.Seattle/Tacoma Intl

C$ 674

Find similar

Lufthansa

14 Jan

SEA7:00 a.m.Seattle/Tacoma Intl

20h 00m

2 stops

DUB11:00 a.m.Dublin

22 Jan

DUB5:00 a.m.Dublin

15h 10m

1 stop

SEA12:10 p.m.Seattle/Tacoma Intl

C$ 683

Find similar

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets

Icelandair

8 Jan

SEA2:35 p.m.Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15 a.m.Dublin

15 Jan

DUB11:30 a.m.Dublin

13h 30m

1 stop

SEA5:00 p.m.Seattle/Tacoma Intl

C$ 566

Find similar

Icelandair

3 Dec

SEA2:35 p.m.Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15 a.m.Dublin

10 Dec

DUB11:30 a.m.Dublin

13h 30m

1 stop

SEA5:00 p.m.Seattle/Tacoma Intl

C$ 600

Find similar

Icelandair

22 Mar

SEA3:35 p.m.Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15 a.m.Dublin

29 Mar

DUB12:15 p.m.Dublin

16h 30m

1 stop

SEA8:45 p.m.Seattle/Tacoma Intl

C$ 618

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 8/1

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

1 stop11h 40m

Dublin

Thu 15/1

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

1 stop13h 30m

C$ 566

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 11/1

6:50 p.m.-4:50 p.m.

1 stop14h 00m

Dublin

Mon 19/1

1:00 p.m.-11:30 a.m.

1 stop30h 30m

C$ 586

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 14/1

6:50 p.m.-5:00 p.m.

1 stop14h 10m

Dublin

Wed 21/1

11:30 a.m.-9:47 p.m.

2 stops18h 17m

C$ 596

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 8/1

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

1 stop11h 40m

Dublin

Mon 19/1

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

1 stop13h 30m

C$ 600

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 3/12

8:10 a.m.-10:20 a.m.

1 stop18h 10m

Dublin

Fri 12/12

12:05 p.m.-8:54 p.m.

1 stop16h 49m

C$ 607

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/12

7:00 a.m.-9:55 a.m.

2 stops18h 55m

Dublin

Thu 11/12

9:30 a.m.-10:47 p.m.

2 stops21h 17m

C$ 614

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 1/12

11:55 p.m.-7:45 a.m.

1 stop23h 50m

Dublin

Wed 10/12

9:45 a.m.-11:58 p.m.

1 stop22h 13m

C$ 616

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 22/3

3:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Sun 29/3

12:15 p.m.-8:45 p.m.

1 stop16h 30m

C$ 618

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 1/12

11:55 p.m.-7:45 a.m.

1 stop23h 50m

Dublin

Tue 9/12

10:45 a.m.-11:58 p.m.

2 stops21h 13m

C$ 621

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 7/2

12:40 p.m.-8:10 a.m.

2 stops35h 30m

Dublin

Wed 25/2

10:40 a.m.-7:03 p.m.

1 stop16h 23m

C$ 625

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Dublin?

If you’re not able to fly to Dublin in November, then January is your next best option. Flight prices from Seattle to Dublin during January average around C$ 722.

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$ 929. 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$ 1,430. 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 morning. momondo users have found flights departing from Seattle to Dublin in the morning for as low as C$ 742. 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 afternoon are often more expensive with an average ticket price of C$ 1,214.

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 C$ 922 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$ 813 on momondo.

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

There is only 1 cabin class 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.

How have Seattle to Dublin flight prices changed over time?

As of November 2025, prices for Seattle to Dublin flights are approximately 42% 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

Fastest flight time	9h 05m
Direct flights	Mon, Tue, Thu and Sat
Airports in Dublin	1 airport

The fastest flight from Seattle to Dublin takes 9h 05m

Direct flights go from Seattle to Dublin on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.

There is 1 airport near Dublin: Dublin (DUB)

Search flight deals

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 11h 40m, 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 2 as of November 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 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 66.67% of all bookings. The subsequent popular models are Airbus A330-900neo at 10.24%, Boeing 787-10 Dreamliner at 5.37%, and Boeing 777-300ER at 4.99%.
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 (73% of total bookings). The next most popular airline is Icelandair (27%).

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
Icelandair	PriceFrom C$ 586	Free Cancellation	Rating 7.0 580 reviews		Search Icelandair flights
Aer Lingus	PriceFrom C$ 646	Free Cancellation	Rating 7.2 1,376 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$ 646. Generally, Aer Lingus has 4 flights on this route every week with an average price of C$ 1,002. Aer Lingus is rated 7.2/10 by our users.

Kilkenny

Swords

Bray

Maynooth

Portmarnock

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$ 559

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 16/3. 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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Filter for what you want

Trusted and free

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Lufthansa flights from Seattle to Dublin

Our best Lufthansa deals on Seattle to Dublin flight tickets

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets

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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?

If you’re not able to fly to Dublin in November, then January is your next best option. Flight prices from Seattle to Dublin during January average around C$ 722.

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?

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 is only 1 cabin class 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.

How have Seattle to Dublin flight prices changed over time?

As of November 2025, prices for Seattle to Dublin flights are approximately 42% more expensive when compared to flights at the same time last year.

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

United Airlines 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 November 2025, 1 flights take off from Seattle and land in Dublin each day. The most common flight departure time for this route is 8:00p.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 12 per week as of November 2025. The most frequent departure day is Mon, with 25% of weekly flights leaving 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

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

Travelling 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.

Find better results for your trip to Ireland

Airports servicing Ireland