What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

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

As of November 2025, there are 1 flights per day flying from Dublin to Seattle. The most common time of day flights depart is 16:00, with 100% of flights taking off in the afternoon.

How often are flights from Dublin to Seattle delayed?

Historically, on average around 11% of flights between Dublin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 141 minutes.

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

The number of flights available between Dublin and Seattle is 12 per week as of November 2025. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.

Which airlines fly to Seattle?

Aer Lingus, Icelandair and British Airways are the top three most popular airlines that fly to Seattle from Dublin according to our data. Aer Lingus is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

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

What is the most punctual flight time for Dublin to Seattle flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Dublin to Seattle flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

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

Prices for flights from Dublin Airport to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Dublin Airport to Seattle/Tacoma Intl Airport?

As of November 2025, there are 3 operators available to choose from for flights from Dublin Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Dublin Airport to Seattle/Tacoma Intl 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 stopovers 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 Dublin Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl 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 licence 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.

€318 Cheap Flights from Dublin to Seattle in 2025/26

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11:30 - 17:00DUB-SEA

13h 30m1 stop

14:35 - 10:15SEA-DUB

11h 40m1 stop

€406Icelandair

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Wed, 28 Jan - Sat, 7 Feb

11:30 - 17:00DUB-SEA

13h 30m1 stop

14:35 - 10:15SEA-DUB

11h 40m1 stop

€409Icelandair

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Wed, 28 Jan - Sat, 7 Feb

10:20 - 16:55DUB-SEA

14h 35m1 stop

18:50 - 09:50SEA-DUB

31h 00m1 stop

€425American Airlines

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Wed, 4 Feb - Sun, 8 Feb

10:20 - 23:25DUB-SEA

21h 05m2 stops

11:22 - 16:50SEA-DUB

21h 28m2 stops

€431American Airlines

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Wed, 3 Dec - Sun, 7 Dec

08:50 - 08:47DUB-SEA

30h 57m2 stops

07:00 - 14:20SEA-DUB

24h 20m2 stops

€432American Airlines

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Mon, 9 Mar - Sun, 22 Mar

12:55 - 23:38DUB-SEA

18h 43m1 stop

13:35 - 09:50SEA-DUB

12h 15m1 stop

€434American Airlines

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Fri, 12 Dec - Sat, 17 Jan

08:50 - 21:47DUB-SEA

20h 57m2 stops

18:50 - 18:40SEA-DUB

15h 50m1 stop

€437British Airways

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Wed, 28 Jan - Sat, 7 Feb

10:45 - 23:32DUB-SEA

20h 47m2 stops

07:15 - 08:40SEA-DUB

17h 25m2 stops

€448American Airlines

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Sun, 15 Feb - Sun, 1 Mar

11:30 - 21:53DUB-SEA

17h 23m1 stop

07:51 - 09:45SEA-DUB

17h 54m1 stop

€450American Airlines

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Fri, 20 Mar - Fri, 3 Apr

11:30 - 21:53DUB-SEA

17h 23m1 stop

10:01 - 09:45SEA-DUB

15h 44m1 stop

€450American Airlines

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Fri, 20 Mar - Fri, 3 Apr

American Airlines flights from Dublin to Seattle

Our best American Airlines deals on Dublin to Seattle flight tickets

American Airlines

4 Feb

DUB10:20Dublin

14h 35m

1 stop

SEA16:55Seattle/Tacoma Intl

8 Feb

SEA18:50Seattle/Tacoma Intl

31h 00m

1 stop

DUB09:50Dublin

€425

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American Airlines

3 Dec

DUB10:20Dublin

21h 05m

2 stops

SEA23:25Seattle/Tacoma Intl

7 Dec

SEA11:22Seattle/Tacoma Intl

21h 28m

2 stops

DUB16:50Dublin

€431

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American Airlines

9 Mar

DUB08:50Dublin

30h 57m

2 stops

SEA08:47Seattle/Tacoma Intl

22 Mar

SEA07:00Seattle/Tacoma Intl

24h 20m

2 stops

DUB14:20Dublin

€432

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British Airways flights from Dublin to Seattle

Our best British Airways deals on Dublin to Seattle flight tickets

British Airways

28 Jan

DUB08:50Dublin

20h 57m

2 stops

SEA21:47Seattle/Tacoma Intl

7 Feb

SEA18:50Seattle/Tacoma Intl

15h 50m

1 stop

DUB18:40Dublin

€437

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British Airways

3 Dec

DUB11:30Dublin

18h 29m

1 stop

SEA21:59Seattle/Tacoma Intl

6 Dec

SEA00:31Seattle/Tacoma Intl

22h 39m

1 stop

DUB07:10Dublin

€504

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British Airways

22 Dec

DUB20:40Dublin

22h 50m

1 stop

SEA11:30Seattle/Tacoma Intl

16 Jan

SEA18:50Seattle/Tacoma Intl

17h 00m

1 stop

DUB19:50Dublin

€576

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Route

Depart

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DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sat 7/2

14:35-10:15

1 stop11h 40m

€406

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sat 7/2

14:35-10:15

1 stop11h 40m

€409

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 4/2

10:20-16:55

1 stop14h 35m

Seattle/Tacoma Intl

Sun 8/2

18:50-09:50

1 stop31h 00m

€425

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 3/12

10:20-23:25

2 stops21h 05m

Seattle/Tacoma Intl

Sun 7/12

11:22-16:50

2 stops21h 28m

€431

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 9/3

08:50-08:47

2 stops30h 57m

Seattle/Tacoma Intl

Sun 22/3

07:00-14:20

2 stops24h 20m

€432

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 12/12

12:55-23:38

1 stop18h 43m

Seattle/Tacoma Intl

Sat 17/1

13:35-09:50

1 stop12h 15m

€434

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

08:50-21:47

2 stops20h 57m

Seattle/Tacoma Intl

Sat 7/2

18:50-18:40

1 stop15h 50m

€437

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 15/2

10:45-23:32

2 stops20h 47m

Seattle/Tacoma Intl

Sun 1/3

07:15-08:40

2 stops17h 25m

€448

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 20/3

11:30-21:53

1 stop17h 23m

Seattle/Tacoma Intl

Fri 3/4

07:51-09:45

1 stop17h 54m

€450

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 20/3

11:30-21:53

1 stop17h 23m

Seattle/Tacoma Intl

Fri 3/4

10:01-09:45

1 stop15h 44m

€450

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How to get the cheapest flight ticket from Dublin to Seattle

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

Delays

Other information

What is the cheapest month to fly to Seattle?

If you’re not able to fly to Seattle in February, then November is your next best option. Flight prices from Dublin to Seattle during November average around €544.

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

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as €644. Flights from Dublin to Seattle on a Monday will generally be more expensive and average around €806. 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 Seattle?

Our data shows that the cheapest Dublin to Seattle flights are usually those with departure times in the morning. Our users have found flights to Seattle in the morning for as low as €574. Flights in the afternoon are often more expensive, with an average ticket price of €705.

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

Fly from Dublin to Seattle/Tacoma Intl for the best Dublin - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around €615 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dublin for as low as €518 on momondo.

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

There is only 1 cabin class available to choose from on Dublin to Seattle/Tacoma Intl 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 Dublin to Seattle flights?

You could potentially save up to 39% on your flight if you consider stops on a Dublin to Seattle flight.

How have Dublin to Seattle flight prices changed over time?

As of November 2025, prices for Dublin to Seattle flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Dublin to Seattle (DUB to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Seattle

Best price found	€496
Fastest flight time	9h 39m
Direct flights	Mon, Tue, Wed, Thu and Sat
Airports in Seattle	1 airport

The best flight deal from Dublin to Seattle found on momondo in the last 72 hours is €496

The fastest flight from Dublin to Seattle takes 9h 39m

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

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Dublin to Seattle/Tacoma Intl by plane?
There are 7271.7 km between Dublin and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 9h 50m.
When did momondo last update prices for flights from Dublin Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Dublin Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Dublin Airport to Seattle/Tacoma Intl Airport?
As of November 2025, there are 3 operators available to choose from for flights from Dublin Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Dublin Airport to Seattle/Tacoma Intl 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 stopovers 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 Dublin Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl 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 licence 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 Dublin to Seattle?
Based on momondo bookings for flights between Dublin and Seattle, the leading plane model is Airbus A330-200, making up 83.01% of the total bookings. Other popular models include Airbus A318/A319/A320/A321 with 6.54%, Airbus A321-100/200 with 2.61%, and Airbus A330-300 with 2.61%.
What is the most popular airline from Dublin to Seattle?
momondo data reveals that the most frequently booked airline on the route from Dublin to Seattle is Aer Lingus, representing 55% of all bookings. The subsequent popular airlines are Icelandair at 28% and British Airways at 16%.

Best airlines flying from Dublin to Seattle

Compare and see reviews for airlines that fly from Dublin to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom €422	Free Cancellation	Rating 7.0 580 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €480	Free Cancellation	Rating 7.2 1,376 reviews	Search Aer Lingus flights
British Airways	PriceFrom €506	Free Cancellation	Rating 6.7 7,533 reviews	Search British Airways flights

Aer Lingus Flights From Dublin to Seattle
The lowest priced Aer Lingus flight from Dublin to Seattle from the last 72 hours was €480. Generally, Aer Lingus has 4 flights on this route every week with an average price of €662. Aer Lingus is rated 7.2/10 by our users.
British Airways Flights From Dublin to Seattle
British Airways is also a popular choice for this route. British Airways flight deals for Dublin to Seattle start from as low as €506 round-trip, depending on your selected dates, with average British Airways deals seen on momondo around €805. British Airways operates 4 flights to Seattle from Dublin in an average week. Users have rated it 6.7/10 across 7,532 reviews.

Aberdeen

Lynnwood

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Seattle for you.

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

Flights from Dublin to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Dublin to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Dublin.

I’m not ready to book a flight from Dublin to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Dublin and alert you when they change.

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Cheap flights from Dublin to Seattle from €318

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Seattle departing on 5/5. 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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How to get the cheapest flight ticket from Dublin to Seattle

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 Seattle?

If you’re not able to fly to Seattle in February, then November is your next best option. Flight prices from Dublin to Seattle during November average around €544.

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

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

Our data shows that the cheapest Dublin to Seattle flights are usually those with departure times in the morning. Our users have found flights to Seattle in the morning for as low as €574. Flights in the afternoon are often more expensive, with an average ticket price of €705.

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

Fly from Dublin to Seattle/Tacoma Intl for the best Dublin - Seattle/Tacoma Intl flight prices

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

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

There is only 1 cabin class available to choose from on Dublin to Seattle/Tacoma Intl 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 Dublin to Seattle flights?

You could potentially save up to 39% on your flight if you consider stops on a Dublin to Seattle flight.

How have Dublin to Seattle flight prices changed over time?

As of November 2025, prices for Dublin to Seattle flights are approximately 8% more expensive when compared to flights at the same time last year.

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

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

Which airlines fly to Seattle?

How often are flights from Dublin to Seattle delayed?

Historically, on average around 11% of flights between Dublin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 141 minutes.

What is the most punctual flight time for Dublin to Seattle flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Dublin to Seattle flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

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

As of November 2025, there are 1 flights per day flying from Dublin to Seattle. The most common time of day flights depart is 16:00, with 100% of flights taking off in the afternoon.

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

The number of flights available between Dublin and Seattle 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 Dublin to Seattle

Cheap Dublin to Seattle (DUB to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Seattle

Best price found

Fastest flight time

Direct flights

Airports in Seattle

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

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

How many operators does momondo search for flights from Dublin Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Dublin Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Dublin to Seattle?

What is the most popular airline from Dublin to Seattle?

Best airlines flying from Dublin to Seattle

Compare and see reviews for airlines that fly from Dublin to Seattle with momondo

Aer Lingus Flights From Dublin to Seattle

British Airways Flights From Dublin to Seattle

Travelling to a place near Seattle?

Why use momondo?

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

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

How can momondo help me find flights from Dublin to Seattle?

I’m not ready to book a flight from Dublin to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down