Question 1

What’s the fastest stopover option from Dublin to Seattle?

Accepted Answer

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 13h 23m.

Question 2

What’s the cheapest stopover airport for flights from Dublin to Seattle?

Accepted Answer

Copenhagen (CPH) is the most affordable one-stop option, with an average return flight price of £503.

Question 3

Which airport typically offers the quickest stopover for flights from Dublin to Seattle?

Accepted Answer

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average stopover time of 1h 33m.

Question 4

What’s the top stopover airport for flights from Dublin to Seattle?

Accepted Answer

Reykjavik (KEF) – chosen by Cheapflights users on 66% of one-stop itineraries from Dublin to Seattle on Cheapflights.

Question 5

How popular is this Dublin to Seattle flight route?

Accepted Answer

This flight path from Dublin to Seattle/Tacoma Intl was viewed by 86 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 6

How long is the flight from Dublin to Seattle?

Accepted Answer

For as low as £371, Scandinavian Airlines can have you in Seattle from Dublin in 13h 30m. There are 4523 mi between Dublin and Seattle. Both multi-stop and direct flights can be found to your destination and back.

Question 7

What are the cheapest airlines flying from Dublin to Seattle round-trip?

Accepted Answer

According to our current data, Scandinavian Airlines (£318), British Airways (£346), and Aer Lingus (£394) offers the cheapest pricing from Dublin to Seattle. You may be able to fly from Dublin to Seattle for 41% less than the average price by searching for these airlines.

Question 8

How far ahead should I book a flight from Dublin to Seattle?

Accepted Answer

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 9

What is the cheapest month to book a flight from Dublin to Seattle?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Dublin to Seattle (average of £622). Flying from Dublin to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 10

What is the cheapest day to fly from Dublin to Seattle?

Accepted Answer

Travellers seeking maximum savings on their Dublin to Seattle flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 11

Weekly flight availability from Dublin to Seattle

Accepted Answer

The most flights from DUB to SEA are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 13

E

Accepted Answer

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 14

What are the cheapest flights from Dublin to Seattle?

Accepted Answer

Looking for the cheapest flight from Dublin to Seattle? While on average our users pay £643, our data indicates the cheapest price to be £388. The most popular route (Dublin - Seattle/Tacoma Intl), is priced around £432.

Question 15

What are the most reliable airlines from Dublin to Seattle?

Accepted Answer

Consider American Airlines (78%), Aer Lingus (78%) or British Airways (78%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Seattle.

Question 16

What are the most popular airlines that fly from Dublin to Seattle?

Accepted Answer

Consider American Airlines, British Airways or Aer Lingus when booking your flight. These represent the most popular airlines when flying from Dublin to Seattle.

Question 17

What is the cheapest day to fly round-trip from Dublin to Seattle?

Accepted Answer

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 30% on your flight compared to booking on days when demand is much higher.

Question 18

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

Accepted Answer

Find a great deal and save up to 41% by booking at least 21 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Dublin to Seattle within the next two weeks, with the cheapest ticket starting at £483.

Question 19

What is the cheapest month to fly from Dublin to Seattle?

Accepted Answer

February can be a great time to fly to Seattle from Dublin with a flight ticket averaging about £539. Cheapflights users have found deals in the month of February for as cheap as £366. The most expensive prices can be found in the month of July.

Question 20

What is the cheapest time of day to fly from DUB to SEA?

Accepted Answer

When flying from Dublin to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 14% versus a flight in the afternoon.

Question 21

What airports do I use to fly from Dublin to Seattle?

Accepted Answer

If you book a flight from Dublin to Seattle, you will be flying from Dublin to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Dublin (DUB) take 9h 40m for a nonstop flight. There are 3 flights from Dublin to Seattle per day from 5 airlines.

Question 22

Can I find deals for flights from Dublin to Seattle that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dublin to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 23

How can I find direct flights from Dublin to Seattle?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Seattle.

Question 24

Can I find deals for business class flights from Dublin to Seattle?

Accepted Answer

Yes. Cheapflights offers flight deals from Dublin to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 25

How does Cheapflights help users find flights from Dublin to Seattle?

Accepted Answer

Deals for Dublin to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 26

Why should you use Cheapflights to find cheap flight tickets from Dublin to Seattle?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Dublin to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 27

Can Cheapflights find flights from Dublin to Seattle with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Dublin to Seattle with no change fees.

Question 28

Can Cheapflights notify me if prices for flights from Dublin to Seattle become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£323
One-way from	£286
Popular in	July
Cheapest in	February
Average price	£664
Good round-trip deal	£394 or less

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£318	Average£420	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£346	Average£495	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£394	Average£582	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Icelandair	Cheapest£395	Average£496	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
American Airlines	Cheapest£496	Average£664	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Cheap flights from Dublin to Seattle from £286

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Dublin to Seattle/Tacoma Intl are usually found in February or January, booked 20 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Dublin to Seattle

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Find flight deals from Dublin to Seattle

Cheapest flights from Dublin to SeattleExplore the most affordable flight options available from Dublin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Dublin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

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Best time to book a flight from Dublin to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Dublin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Seattle

How far ahead should I book a flight from Dublin to Seattle?

What is the cheapest month to book a flight from Dublin to Seattle?

What is the cheapest time of day to fly from DUB to SEA?

Weekly flight availability from Dublin to Seattle

What’s the top stopover airport for flights from Dublin to Seattle?

What’s the fastest stopover option from Dublin to Seattle?

What’s the fastest stopover option from Dublin to Seattle?

Which airport typically offers the quickest stopover for flights from Dublin to Seattle?

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Dublin to Seattle, such as Scandinavian Airlines, American Airlines, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Dublin to Seattle?

How popular is this Dublin to Seattle flight route?

How long is the flight from Dublin to Seattle?

What are the cheapest airlines flying from Dublin to Seattle round-trip?

What are the most reliable airlines from Dublin to Seattle?

What are the cheapest flights from Dublin to Seattle?

Can I find deals for flights from Dublin to Seattle that include hotel bookings?

How can I find direct flights from Dublin to Seattle?

Can I find deals for business class flights from Dublin to Seattle?

What is the cheapest month to book a flight from Dublin to Seattle?

Travelling to a place near Seattle?

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Top 5 airlines flying from Dublin to Seattle

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How does Cheapflights help users find flights from Dublin to Seattle?

Why should you use Cheapflights to find cheap flight tickets from Dublin to Seattle?

Can Cheapflights find flights from Dublin to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to Seattle become cheaper?

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Cheapest flights from Dublin to Seattle
Explore the most affordable flight options available from Dublin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.