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

The number of flights available between Dublin and Seattle is 1 per day as of November 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

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 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 which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

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 airlines fly to Seattle?

Aer Lingus, Icelandair and American Airlines 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 71% of people opting to fly with this airline when traveling 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.

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

As of November 2025, there are 12 flights per week flying from Dublin to Seattle. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.

How often are flights from Dublin to Seattle delayed?

Historically, on average around 12% 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 133 minutes.

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

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 12% 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 refresh daily.

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

As of November 2025, there is 1 operator 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 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.

$307 Cheap Flights from Dublin to Seattle in 2025/26

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11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$405Icelandair

Find Deal

Thu, Jan 22 - Fri, Jan 30

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$433Icelandair

Find Deal

Wed, Dec 24 - Wed, Dec 31

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$438Icelandair

Find Deal

Wed, Dec 24 - Mon, Jan 5

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$457Icelandair

Find Deal

Thu, Jan 22 - Fri, Jan 30

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$460Icelandair

Find Deal

Mon, Jan 12 - Sat, Jan 17

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$462Icelandair

Find Deal

Fri, Jan 23 - Thu, Feb 5

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$463Icelandair

Find Deal

Tue, Feb 24 - Tue, Mar 3

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$468Icelandair

Find Deal

Tue, Feb 24 - Tue, Mar 3

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$469Icelandair

Find Deal

Fri, Jan 23 - Sat, Jan 31

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$470Icelandair

Find Deal

Sun, Jan 25 - Sat, Feb 7

Delta flights from Dublin to Seattle

Our best Delta deals on Dublin to Seattle flight tickets

Delta

Feb 24

DUB5:55 amDublin

13h 45m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 3

SEA1:40 pmSeattle/Tacoma Intl

18h 05m

1 stop

DUB3:45 pmDublin

$519

Find similar

Delta

Dec 5

DUB5:55 amDublin

13h 55m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Dec 18

SEA6:00 amSeattle/Tacoma Intl

17h 45m

1 stop

DUB7:45 amDublin

$521

Find similar

Delta

Feb 25

DUB5:55 amDublin

13h 45m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 4

SEA8:30 amSeattle/Tacoma Intl

23h 15m

2 stops

DUB3:45 pmDublin

$522

Find similar

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets

Icelandair

Jan 22

DUB11:30 amDublin

13h 30m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Jan 30

SEA2:35 pmSeattle/Tacoma Intl

11h 40m

1 stop

DUB10:15 amDublin

$405

Find similar

Icelandair

Dec 24

DUB11:30 amDublin

13h 30m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Dec 31

SEA2:35 pmSeattle/Tacoma Intl

11h 40m

1 stop

DUB10:15 amDublin

$433

Find similar

Icelandair

Dec 24

DUB11:30 amDublin

13h 30m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Jan 5

SEA2:35 pmSeattle/Tacoma Intl

11h 40m

1 stop

DUB10:15 amDublin

$438

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Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 1/22

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-10:15 am

1 stop11h 40m

$405

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 12/24

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Wed 12/31

2:35 pm-10:15 am

1 stop11h 40m

$433

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 12/24

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Mon 1/5

2:35 pm-10:15 am

1 stop11h 40m

$438

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 1/22

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-10:15 am

1 stop11h 40m

$457

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 1/12

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Sat 1/17

2:35 pm-10:15 am

1 stop11h 40m

$460

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 1/23

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Thu 2/5

2:35 pm-10:15 am

1 stop11h 40m

$462

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/24

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Tue 3/3

2:35 pm-10:15 am

1 stop11h 40m

$463

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/24

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Tue 3/3

2:35 pm-10:15 am

1 stop11h 40m

$468

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 1/23

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Sat 1/31

2:35 pm-10:15 am

1 stop11h 40m

$469

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 1/25

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Sat 2/7

2:35 pm-10:15 am

1 stop11h 40m

$470

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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?

In general, February is the cheapest month to fly from Dublin to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $613. If you don’t want to visit Seattle in February, then you should wait until November to fly from Dublin, when ticket prices are also cheap, with an average price of $638.

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

On average, the least expensive day to fly to Seattle from Dublin is on a Sunday. momondo users have found tickets for Sunday departures for as low as $635. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $997.

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

Flying to Seattle from Dublin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $736 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $750. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $714 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dublin for as low as $600 on momondo.

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

There are 3 cabin classes 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 22% 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 round-trip 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	$708
Fastest flight time	9h 39m
Direct flights	Mon, Tue, Wed, Thu, Sat and Sun
Airports in Seattle	1 airport

The best one-way flight to Seattle from Dublin in the past 72 hours is $708. The best round-trip flight deal from Dublin to Seattle found on momondo in the last 72 hours is $518.

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

Direct flights go from Dublin to Seattle on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. 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?
Dublin and Seattle/Tacoma Intl are 4518.4 mi apart from one another. A reasonable flight in good conditions will take 13h 30m.
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 refresh daily.
How many operators does momondo search for flights from Dublin Airport to Seattle/Tacoma Intl Airport?
As of November 2025, there is 1 operator 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 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 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dublin to Seattle is Aer Lingus (100% of total bookings).

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
Aer Lingus	PriceFrom $523	Free Cancellation	Rating 7.2 1,381 reviews		Search Aer Lingus flights

Aer Lingus Flights From Dublin to Seattle
Across 4 Aer Lingus flights from Dublin to Seattle this week, the average price was $700, with the best Aer Lingus deals starting from $523 round-trip. 1,381 users have rated Aer Lingus on momondo, with an average score of 7.2/10.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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 all potential Dublin to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

An easier way to manage your Seattle 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 Dublin to Seattle from $307

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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Filter for what you want

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Delta flights from Dublin to Seattle

Our best Delta deals on Dublin to Seattle flight tickets

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets

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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?

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?

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 are 3 cabin classes 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 22% 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

What airlines fly to Seattle?

How often are flights from Dublin to Seattle delayed?

Historically, on average around 12% 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 133 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 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 which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

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

The number of flights available between Dublin and Seattle is 1 per day as of November 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

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

As of November 2025, there are 12 flights per week flying from Dublin to Seattle. The most common day of the week flights depart is Mon, with 25% of flights taking off 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

Traveling 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, 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 the United States

Airports servicing Washington