Q: What is the typical price of a round-trip flight between Dublin and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from €517 to €641. The lowest price recently found on this route was €348.

Question 1

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

Accepted Answer

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.

Question 2

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

Accepted Answer

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.

Question 3

What is the typical price of a round-trip flight between Dublin and Seattle?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from €517 to €641.
The lowest price recently found on this route was €348.

Question 4

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

Accepted Answer

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 €643. Flights from Dublin to Seattle on a Wednesday will generally be more expensive and average around €805. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 5

What is the cheapest month to fly to Seattle?

Accepted Answer

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 €550.

Question 6

How often are flights from Dublin to Seattle delayed?

Accepted Answer

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.

Question 7

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

Accepted Answer

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.

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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 €517 on momondo.

Question 12

Which airlines fly to Seattle?

Accepted Answer

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 57% 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.

Question 13

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

Accepted Answer

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

Question 14

Can stopping save me money on Dublin to Seattle flights?

Accepted Answer

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

Question 15

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

Accepted Answer

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 €707.

Question 16

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

Accepted Answer

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.

Question 17

How have Dublin to Seattle flight prices changed over time?

Accepted Answer

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.

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

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.

Question 21

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

Accepted Answer

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.

Best price found	€515
Fastest flight time	9h 39m
Direct flights	Mon, Tue, Wed, Thu and Sat
Airports in Seattle	1 airport

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom €401	Free Cancellation	Rating 7.0 582 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €479	Free Cancellation	Rating 7.2 1,382 reviews	Search Aer Lingus flights
British Airways	PriceFrom €506	Free Cancellation	Rating 6.7 7,541 reviews	Search British Airways flights

Cheap flights from Dublin to Seattle from €324

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 21/4. 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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What is the typical price of a round-trip flight between Dublin and Seattle?

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 €550.

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 €707.

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 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 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 12% 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

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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

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