£352 Cheap Flights from Dublin (DUB) to Seattle (SEA)

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Cheap Flights from Dublin (DUB) to Seattle (SEA)

Prices were available within the past 7 days and start at £352 for one-way flights and £384 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, 6 Nov - Wed, 13 Nov
DUB
Dublin
SEA
Seattle
£384 Return, found 1 day ago
£384
Return
found 1 day ago
Select Aer Lingus flight, departing Wed, 6 Nov from Dublin to Seattle, returning Wed, 13 Nov, priced at £384 found 1 day ago
Aer Lingus
Wed, 13 Nov - Wed, 20 Nov
DUB
Dublin
SEA
Seattle
£384 Return, found 3 days ago
£384
Return
found 3 days ago
Select Aer Lingus flight, departing Wed, 13 Nov from Dublin to Seattle, returning Wed, 20 Nov, priced at £384 found 3 days ago
Icelandair
Thu, 14 Nov - Mon, 18 Nov
DUB
Dublin
SEA
Seattle
£427 Return, found 2 days ago
£427
Return
found 2 days ago
Select Icelandair flight, departing Thu, 14 Nov from Dublin to Seattle, returning Mon, 18 Nov, priced at £427 found 2 days ago
Icelandair
Wed, 2 Oct - Sat, 12 Oct
DUB
Dublin
SEA
Seattle
£429 Return, just found
£429
Return
just found
Select Icelandair flight, departing Wed, 2 Oct from Dublin to Seattle, returning Sat, 12 Oct, priced at £429 just found
Icelandair
Tue, 24 Sep - Fri, 4 Oct
DUB
Dublin
SEA
Seattle
£433 Return, just found
£433
Return
just found
Select Icelandair flight, departing Tue, 24 Sep from Dublin to Seattle, returning Fri, 4 Oct, priced at £433 just found
Icelandair
Thu, 12 Sep - Wed, 2 Oct
DUB
Dublin
SEA
Seattle
£434 Return, just found
£434
Return
just found
Select Icelandair flight, departing Thu, 12 Sep from Dublin to Seattle, returning Wed, 2 Oct, priced at £434 just found
British Airways
Tue, 12 Nov - Wed, 27 Nov
DUB
Dublin
SEA
Seattle
£493 Return, found 4 days ago
£493
Return
found 4 days ago
Select British Airways flight, departing Tue, 12 Nov from Dublin to Seattle, returning Wed, 27 Nov, priced at £493 found 4 days ago
American Airlines
Sat, 9 Nov - Sat, 16 Nov
DUB
Dublin
SEA
Seattle
£493 Return, found 5 days ago
£493
Return
found 5 days ago
Select American Airlines flight, departing Sat, 9 Nov from Dublin to Seattle, returning Sat, 16 Nov, priced at £493 found 5 days ago
JetBlue Airways
Thu, 29 Aug - Mon, 23 Sep
DUB
Dublin
SEA
Seattle
£584 Return, found 2 days ago
£584
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 29 Aug from Dublin to Seattle, returning Mon, 23 Sep, priced at £584 found 2 days ago
Air Canada
Sun, 16 Feb - Mon, 24 Feb
DUB
Dublin
SEA
Seattle
£611 Return, found 23 hours ago
£611
Return
found 23 hours ago
Select Air Canada flight, departing Sun, 16 Feb from Dublin to Seattle, returning Mon, 24 Feb, priced at £611 found 23 hours ago
Flight from Dublin to Seattle route information
Origin airport
Dublin
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United, WestJet
Return price
£383
Distance
7241 km
Average flight time
9 hours 41 mins

Compare flights from Dublin to Seattle easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dublin to Seattle. Operating between them 3 flights per day, 20 airlines cover the route. And American Airlines, Aer Lingus, British Airways fly direct, getting you to Seattle - Tacoma Intl. in just 9hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dublin to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dublin (DUB) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from Dublin to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dublin to Seattle - Tacoma Intl. start at just £384 and range up to £611.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dublin and Seattle
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dublin to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dublin to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from DUB to SEA?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from DUB to Sea-Tac Airport start from £384. Book now to score the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DUB to Seattle - Tacoma Intl. Airport (SEA)?
Most flights can be cancelled online, but every airline has its own set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Dublin Airport to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for DUB to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Dublin Airport to Seattle - Tacoma Intl. Airport (SEA)?
The distance is around 7,300 kilometres, so fill your carry-on bag with all the items you need to make the long journey comfortable. Not sure what to take on board your Corballis to SeaTac flight? A sleep mask, earplugs and a travel pillow are among the essentials.
Which airlines fly direct from DUB to SEA?
A popular choice with many frequent travellers, Aer Lingus (EI) operates 17 monthly flights from DUB to SEA. Pick the one that fits with your travel schedule and book your seat today.
Are Dublin Airport (DUB) to SEA flight tickets cheaper when they're purchased at the last minute?
Tickets from Dublin Airport (DUB) to Sea-Tac Airport are available up to 12 months prior to departure on Expedia. And although you may occasionally pick up a great last-minute deal, it’s never something you can count on. Also, booking your flights in advance means you’ll have more choices — and you can avoid getting trapped in the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.
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