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CA $268 Cheap Flights from Seattle (SEA) to Dublin (DUB)

View CA $268 flight on Tue, Jul 14, 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 $268 for one-way flights and CA $798 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, Jul 14 - Wed, Aug 19
SEA
Seattle
DUB
Dublin
CA $798 Roundtrip, found 6 days ago
CA $798
Roundtrip
found 6 days ago
Select Icelandair flight, departing Tue, Jul 14 from Seattle to Dublin, returning Wed, Aug 19, priced at CA $798 found 6 days ago
Scandinavian Airlines
Fri, Sep 18 - Fri, Oct 2
SEA
Seattle
DUB
Dublin
CA $881 Roundtrip, found 6 days ago
CA $881
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Fri, Sep 18 from Seattle to Dublin, returning Fri, Oct 2, priced at CA $881 found 6 days ago
Icelandair
Mon, Oct 19 - Thu, Oct 29
SEA
Seattle
DUB
Dublin
CA $926 Roundtrip, found 1 day ago
CA $926
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Oct 19 from Seattle to Dublin, returning Thu, Oct 29, priced at CA $926 found 1 day ago
TAP Portugal
Tue, Oct 6 - Mon, Oct 19
SEA
Seattle
DUB
Dublin
CA $941 Roundtrip, found 6 days ago
CA $941
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Tue, Oct 6 from Seattle to Dublin, returning Mon, Oct 19, priced at CA $941 found 6 days ago
Air Canada
Fri, Sep 4 - Sun, Sep 13
SEA
Seattle
DUB
Dublin
CA $973 Roundtrip, found 6 days ago
CA $973
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 4 from Seattle to Dublin, returning Sun, Sep 13, priced at CA $973 found 6 days ago
United
Fri, Sep 4 - Sun, Sep 13
SEA
Seattle
DUB
Dublin
CA $973 Roundtrip, found 6 days ago
CA $973
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 4 from Seattle to Dublin, returning Sun, Sep 13, priced at CA $973 found 6 days ago
Lufthansa
Sun, Oct 18 - Mon, Nov 16
SEA
Seattle
DUB
Dublin
CA $985 Roundtrip, found 6 days ago
CA $985
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sun, Oct 18 from Seattle to Dublin, returning Mon, Nov 16, priced at CA $985 found 6 days ago
American Airlines
Tue, Aug 18 - Thu, Sep 10
SEA
Seattle
DUB
Dublin
CA $1,015 Roundtrip, found 18 hours ago
CA $1,015
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Aug 18 from Seattle to Dublin, returning Thu, Sep 10, priced at CA $1,015 found 18 hours ago
Delta
Thu, Aug 6 - Wed, Aug 19
SEA
Seattle
DUB
Dublin
CA $1,016 Roundtrip, found 1 day ago
CA $1,016
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 6 from Seattle to Dublin, returning Wed, Aug 19, priced at CA $1,016 found 1 day ago
Aer Lingus
Mon, Aug 3 - Thu, Aug 20
SEA
Seattle
DUB
Dublin
CA $1,020 Roundtrip, found 3 days ago
CA $1,020
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Mon, Aug 3 from Seattle to Dublin, returning Thu, Aug 20, priced at CA $1,020 found 3 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 $1,226
DUB
Dublin Airport
CheapestClosest
Average driving time to city centre14 min
Flights from CA $1,226

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) cost?
You can find cheap one-way flights from CA $268 and cheap return flights from CA $798 SEA to DUB with Expedia. One-way flights typically cost between CA$635 and CA$6526, and return flights often range between CA$1103 and CA$9920. 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 SEA to DUB ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA) to Dublin (DUB)?
The cheapest months to fly from Seattle, WA (SEA) to Dublin (DUB) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
Only one airline offers direct flights from Seattle - Tacoma Intl. (SEA) to Dublin (DUB). Aer Lingus operates 7 direct flights from Seattle - Tacoma Intl. to Dublin every week.
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, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, Aer Lingus typically offers the lowest fares. Delta offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) 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) to Dublin (DUB)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
There is 1 nonstop flight per day from Seattle - Tacoma Intl. (SEA) to Dublin (DUB). For even more choices, look at flights that include layovers, as there are around 67 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Heathrow (LHR), and Vancouver Intl. (YVR).
What is the earliest flight from Seattle, WA (SEA) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Seattle, WA (SEA) to Dublin (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)?
You'll find the most flights from Seattle - Tacoma Intl. (SEA) to Dublin (DUB) on a Friday, with around 88 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta, American Airlines, and Alaska Airlines. Fridays offer notably more flight options compared to other days of the week, so if you're looking for the widest selection, that's a great day to consider.
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. Many major carriers, including Aer Lingus, British Airways and Virgin Atlantic, offer flights during this window. Many travelers prefer this because it allows you to have a full day in Seattle before your flight and arrive in Dublin the next morning, ready to start your trip.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
A non-stop flight from Seattle - Tacoma Intl. (SEA) to Dublin (DUB) typically takes around 9 hours, covering a distance of approximately 7,285 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 15 hours. Flights with two or more stops generally take about 18 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dublin (DUB)?
Yes, you can fly business class or first class between Seattle (SEA) and Dublin (DUB).Airlines that offer business class service on this route include:
  • Aer Lingus
  • Air France
  • Lufthansa
  • British Airways
  • Turkish Airlines
  • Edelweiss Air
  • Alaska Airlines
  • Air Canada
  • Icelandair
  • Condor
  • United
  • Delta
  • Finnair
  • SAS
  • American Airlines
  • Virgin Atlantic
First class cabins are available on United.
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 $798
Distance
7241 km
Average flight time
9 hours 10 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 $798 rising to CA $1,020.  

Here are more money-saving tips: 

  • Fly in July 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

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