£310 Cheap Flights from Seattle (SEA) to Dublin (DUB)

View £310 flight on Sat, 30 May 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Dublin Airport (DUB)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £310 for one-way flights and £510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, 31 Oct - Sat, 7 Nov
SEA
Seattle
DUB
Dublin
£510 Return, found 23 hours ago
£510
Return
found 23 hours ago
Select Icelandair flight, departing Sat, 31 Oct from Seattle to Dublin, returning Sat, 7 Nov, priced at £510 found 23 hours ago
Scandinavian Airlines
Fri, 25 Sept - Thu, 1 Oct
SEA
Seattle
DUB
Dublin
£527 Return, found 1 day ago
£527
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Fri, 25 Sept from Seattle to Dublin, returning Thu, 1 Oct, priced at £527 found 1 day ago
Icelandair
Fri, 30 Oct - Fri, 6 Nov
SEA
Seattle
DUB
Dublin
£533 Return, found 23 hours ago
£533
Return
found 23 hours ago
Select Icelandair flight, departing Fri, 30 Oct from Seattle to Dublin, returning Fri, 6 Nov, priced at £533 found 23 hours ago
Scandinavian Airlines
Thu, 24 Sept - Thu, 1 Oct
SEA
Seattle
DUB
Dublin
£548 Return, found 2 days ago
£548
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Thu, 24 Sept from Seattle to Dublin, returning Thu, 1 Oct, priced at £548 found 2 days ago
Scandinavian Airlines
Sat, 5 Sept - Sat, 12 Sept
SEA
Seattle
DUB
Dublin
£576 Return, found 10 hours ago
£576
Return
found 10 hours ago
Select Scandinavian Airlines flight, departing Sat, 5 Sept from Seattle to Dublin, returning Sat, 12 Sept, priced at £576 found 10 hours ago
Scandinavian Airlines
Sat, 22 Aug - Fri, 11 Sept
SEA
Seattle
DUB
Dublin
£578 Return, found 1 day ago
£578
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, 22 Aug from Seattle to Dublin, returning Fri, 11 Sept, priced at £578 found 1 day ago
JetBlue Airways
Thu, 28 May - Tue, 2 Jun
SEA
Seattle
DUB
Dublin
£592 Return, found 6 days ago
£592
Return
found 6 days ago
Select JetBlue Airways flight, departing Thu, 28 May from Seattle to Dublin, returning Tue, 2 Jun, priced at £592 found 6 days ago
Turkish Airlines
Wed, 21 Oct - Wed, 28 Oct
SEA
Seattle
DUB
Dublin
£625 Return, found 23 hours ago
£625
Return
found 23 hours ago
Select Turkish Airlines flight, departing Wed, 21 Oct from Seattle to Dublin, returning Wed, 28 Oct, priced at £625 found 23 hours ago
KLM
Wed, 28 Oct - Wed, 4 Nov
SEA
Seattle
DUB
Dublin
£634 Return, found 23 hours ago
£634
Return
found 23 hours ago
Select KLM flight, departing Wed, 28 Oct from Seattle to Dublin, returning Wed, 4 Nov, priced at £634 found 23 hours ago
British Airways
Tue, 27 Oct - Tue, 3 Nov
SEA
Seattle
DUB
Dublin
£636 Return, found 23 hours ago
£636
Return
found 23 hours ago
Select British Airways flight, departing Tue, 27 Oct from Seattle to Dublin, returning Tue, 3 Nov, priced at £636 found 23 hours ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city centre is 14 minutes. Flights from £893
DUB
Dublin Airport
CheapestClosest
Average driving time to city centre14 min
Flights from £893

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) cost?
One-way flights typically cost between $1,192 and $9,563 and return flights often range between $2,096 and $17,570. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
October is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to Dublin (DUB), with average round-trip fares around 1591 CAD. This is about 14% lower than the average price throughout the year. October often sees lower prices as the peak summer travel season has ended, and the holiday rush hasn't yet begun, leading to reduced demand. Other cheap months to fly from Seattle - Tacoma Intl. (SEA) to Dublin (DUB) include January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
Enter SEA to DUB and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
The best airline to fly with from Seattle - Tacoma Intl. (SEA) to Dublin (DUB) will differ from traveler to traveler. If you like to fly early, EI offers early morning flights. If price is the most important factor, EI typically offers the lowest fares. DL offers the most daily flights from Seattle - Tacoma Intl. (SEA) to Dublin (DUB), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
Based on booking data from the past year, the cheapest months to fly from Seattle - Tacoma Intl. (SEA) to Dublin (DUB) are typically October and November, with average round-trip flights around 1591 CAD. However, these aren't the most popular times to travel. If you're looking for a balance of good flight availability and a lively atmosphere, April and December see a high volume of travelers, though prices might be higher. For the best value, consider traveling in the autumn months.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
There is approximately 1 nonstop flight per day from Seattle - Tacoma Intl. (SEA) to Dublin (DUB). Additionally, you'll find around 92 connecting flights per day. For even more choice, look at flights that include layovers. Some common connection points include O'Hare Intl. (ORD), Heathrow (LHR), and Vancouver Intl. (YVR).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SEA to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
If you're flying from Seattle - Tacoma Intl. (SEA) to Dublin (DUB), you'll typically find the most flights on a Friday, with around 85 flights available. This gives you plenty of options to choose from for your journey. Major airlines on this route include Delta Air Lines, American Airlines, and United Airlines. Friday sees notably more flight options compared to other days of the week, making it a great day to find a flight that suits your schedule.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Dublin (DUB) are in the evening, from 6pm to 9pm. About 30% of passengers prefer this time window. Many major carriers, including Aer Lingus and British Airways, offer flights during this window. These times work well because you can finish your day in Seattle before your flight and arrive in Dublin ready to start your day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
A nonstop flight from SEA to DUB typically takes around 9 hours, covering approximately 4,527 miles. Connecting flights on this route usually add 6 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
Select the "Business class" and "First class" filters when looking for SEA to DUB flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, WestJet
Return price
£510
Distance
7241 km
Average flight time
9 hours 5 mins

Book with confidence

Compare flights from Seattle to Dublin easily and book with confidence

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

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 Seattle - Tacoma Intl. (SEA) to Dublin (DUB)

The easiest way to view the best deals on flights from Seattle to Dublin 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 Seattle - Tacoma Intl. to Dublin start at just £510 and range up to £636.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Dublin 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.  

Compare flights from Seattle to Dublin easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.