CA $565 Cheap Flights from Seattle (SEA) to Dublin (DUB)

View CA $565 flight on Sun, May 17, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $565 for one-way flights and CA $943 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Mon, Sep 21 - Thu, Oct 1
SEA
Seattle
DUB
Dublin
CA $943 Roundtrip, found 2 days ago
CA $943
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Mon, Sep 21 from Seattle to Dublin, returning Thu, Oct 1, priced at CA $943 found 2 days ago
TAP Portugal
Wed, Sep 16 - Thu, Oct 1
SEA
Seattle
DUB
Dublin
CA $964 Roundtrip, found 2 days ago
CA $964
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Wed, Sep 16 from Seattle to Dublin, returning Thu, Oct 1, priced at CA $964 found 2 days ago
Turkish Airlines
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
DUB
Dublin
CA $1,021 Roundtrip, found 6 days ago
CA $1,021
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Wed, Oct 21 from Seattle to Dublin, returning Wed, Oct 28, priced at CA $1,021 found 6 days ago
Scandinavian Airlines
Mon, Sep 28 - Fri, Oct 2
SEA
Seattle
DUB
Dublin
CA $1,070 Roundtrip, found 2 days ago
CA $1,070
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, Sep 28 from Seattle to Dublin, returning Fri, Oct 2, priced at CA $1,070 found 2 days ago
JetBlue Airways
Tue, Sep 15 - Wed, Sep 30
SEA
Seattle
DUB
Dublin
CA $1,136 Roundtrip, found 2 days ago
CA $1,136
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Sep 15 from Seattle to Dublin, returning Wed, Sep 30, priced at CA $1,136 found 2 days ago
British Airways
Wed, Feb 3 - Wed, Feb 24
SEA
Seattle
DUB
Dublin
CA $1,177 Roundtrip, found 3 days ago
CA $1,177
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Feb 3 from Seattle to Dublin, returning Wed, Feb 24, priced at CA $1,177 found 3 days ago
Lufthansa
Wed, Feb 3 - Wed, Feb 24
SEA
Seattle
DUB
Dublin
CA $1,182 Roundtrip, found 3 days ago
CA $1,182
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Feb 3 from Seattle to Dublin, returning Wed, Feb 24, priced at CA $1,182 found 3 days ago
Icelandair
Wed, Apr 29 - Mon, May 11
SEA
Seattle
DUB
Dublin
CA $1,231 Roundtrip, found 1 day ago
CA $1,231
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Apr 29 from Seattle to Dublin, returning Mon, May 11, priced at CA $1,231 found 1 day ago
Aer Lingus
Tue, Jun 9 - Tue, Jun 16
SEA
Seattle
DUB
Dublin
CA $1,237 Roundtrip, found 3 days ago
CA $1,237
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Tue, Jun 9 from Seattle to Dublin, returning Tue, Jun 16, priced at CA $1,237 found 3 days ago
Air Canada
Fri, May 1 - Wed, May 13
SEA
Seattle
DUB
Dublin
CA $1,237 Roundtrip, found 5 days ago
CA $1,237
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, May 1 from Seattle to Dublin, returning Wed, May 13, priced at CA $1,237 found 5 days 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 CA $1,228
DUB
Dublin Airport
CheapestClosest
Average driving time to city centre14 min
Flights from CA $1,228

Frequently asked questions

How much is a flight from SEA to Dublin Airport?
The lowest price advertised for a round-trip journey between Sea-Tac Airport and Dublin Airport (DUB) is CA $943. But you better move fast. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Dublin Airport (DUB)?
We understand that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to DUB that have flexible change policies?
Many carriers offer the option to reschedule your flight without charging a fee. All you pay is the fare difference. When looking for Seattle - Tacoma Intl. Airport (SEA) to Dublin Airport flights, you'll find a "No change fees" filter for you to select.
How many hours is the flight from Sea-Tac Airport to Dublin Airport (DUB)?
To survive the 14 hours and 1 minute flight time between Sea-Tac Airport and Dublin Airport, it's smart to come prepared. A device filled with your favourite TV shows is a terrific start.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Dublin Airport?
SeaTac to Dublin is around 7,300 kilometres, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your earplugs to your eye mask. Throw in some snacks to munch on throughout your trip too.
Which airlines fly direct from SEA to Dublin Airport (DUB)?
A popular choice with many travellers, Aer Lingus (EI) offers 0 monthly flights from SEA to DUB. Pick the one that fits with your travel schedule and book your fare today.
Are Sea-Tac Airport to Dublin Airport (DUB) flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so it's no sure thing. While last-minute deals between Seattle - Tacoma Intl. Airport (SEA) and Dublin Airport are possible, it's also a good idea to monitor prices well before you fly. In fact, some air carriers publicize their prices up to a year before the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to book when the price is right.

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.
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.
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.
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, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United, WestJet
Roundtrip price
CA $943
Distance
7241 km
Average flight time
9 hours 5 mins

Book with confidence

Seattle to Dublin Flights

The easy way to book your flights from Seattle to Dublin 

With Expedia, it’s simple to find and book flights to Dublin from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Dublin, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Dublin today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Dublin, DUB 

Sort your search results by price to find great deals on your flight from Seattle to Dublin—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Dublin from Seattle currently is just CA $943 rising to CA $1,237.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Dublin  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Dublin from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Dublin with Expedia today.

Seattle to Dublin Flights
*Available to Expedia members.