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CA $527 Cheap Flights from Dublin (DUB) to Seattle (SEA)

View CA $527 flight on Tue, Aug 25, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $527 for one-way flights and CA $944 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, Oct 1 - Wed, Oct 14
DUB
Dublin
SEA
Seattle
CA $944 Roundtrip, found 5 days ago
CA $944
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Thu, Oct 1 from Dublin to Seattle, returning Wed, Oct 14, priced at CA $944 found 5 days ago
British Airways
Fri, Nov 20 - Mon, Nov 23
DUB
Dublin
SEA
Seattle
CA $954 Roundtrip, found 15 hours ago
CA $954
Roundtrip
found 15 hours ago
Select British Airways flight, departing Fri, Nov 20 from Dublin to Seattle, returning Mon, Nov 23, priced at CA $954 found 15 hours ago
Icelandair
Fri, Nov 20 - Mon, Nov 23
DUB
Dublin
SEA
Seattle
CA $967 Roundtrip, found 15 hours ago
CA $967
Roundtrip
found 15 hours ago
Select Icelandair flight, departing Fri, Nov 20 from Dublin to Seattle, returning Mon, Nov 23, priced at CA $967 found 15 hours ago
Scandinavian Airlines
Thu, Oct 1 - Wed, Oct 14
DUB
Dublin
SEA
Seattle
CA $979 Roundtrip, found 5 days ago
CA $979
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Thu, Oct 1 from Dublin to Seattle, returning Wed, Oct 14, priced at CA $979 found 5 days ago
Iberia
Fri, Nov 20 - Mon, Nov 23
DUB
Dublin
SEA
Seattle
CA $987 Roundtrip, found 15 hours ago
CA $987
Roundtrip
found 15 hours ago
Select Iberia flight, departing Fri, Nov 20 from Dublin to Seattle, returning Mon, Nov 23, priced at CA $987 found 15 hours ago
British Airways
Fri, Nov 20 - Mon, Nov 23
DUB
Dublin
SEA
Seattle
CA $995 Roundtrip, found 15 hours ago
CA $995
Roundtrip
found 15 hours ago
Select British Airways flight, departing Fri, Nov 20 from Dublin to Seattle, returning Mon, Nov 23, priced at CA $995 found 15 hours ago
British Airways
Fri, Nov 20 - Mon, Nov 23
DUB
Dublin
SEA
Seattle
CA $1,003 Roundtrip, found 15 hours ago
CA $1,003
Roundtrip
found 15 hours ago
Select British Airways flight, departing Fri, Nov 20 from Dublin to Seattle, returning Mon, Nov 23, priced at CA $1,003 found 15 hours ago
British Airways
Fri, Nov 20 - Mon, Nov 23
DUB
Dublin
SEA
Seattle
CA $1,044 Roundtrip, found 15 hours ago
CA $1,044
Roundtrip
found 15 hours ago
Select British Airways flight, departing Fri, Nov 20 from Dublin to Seattle, returning Mon, Nov 23, priced at CA $1,044 found 15 hours ago
Scandinavian Airlines
Thu, Oct 1 - Wed, Oct 14
DUB
Dublin
SEA
Seattle
CA $1,054 Roundtrip, found 5 days ago
CA $1,054
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Thu, Oct 1 from Dublin to Seattle, returning Wed, Oct 14, priced at CA $1,054 found 5 days ago
Aer Lingus
Thu, Oct 1 - Wed, Oct 14
DUB
Dublin
SEA
Seattle
CA $1,135 Roundtrip, found 5 days ago
CA $1,135
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Thu, Oct 1 from Dublin to Seattle, returning Wed, Oct 14, priced at CA $1,135 found 5 days ago

Find the cheapest month to fly from Dublin (DUB) to Seattle (SEA)

February is typically the cheapest month to fly

From CA $633 - CA $1,741 per traveller.

Frequently asked questions

How much does a flight from Dublin (DUB) to Seattle, WA (SEA) cost?
You can find cheap one-way flights from CA $527 and cheap return flights from CA $944 DUB to SEA with Expedia. One-way flights typically cost between CA$1,421 and CA$4,950 and return flights often range between CA$1,481 and CA$7,315. 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 DUB to SEA ticket fares go up or down.
What is the cheapest month to fly from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from DUB to SEA 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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Only one airline offers direct flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Aer Lingus operates 7 direct flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) every week.
What is the cheapest airline that flies from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
SAS is one of the cheapest airlines offering connecting return flights from Dublin (DUB) to Seattle - Tacoma Intl. (SEA) with a layover in Arlanda (ARN), with tickets starting from around CA$659. Aer Lingus is one of the cheapest airlines offering nonstop return flights from Dublin (DUB) to Seattle - Tacoma Intl. (SEA), with tickets starting from around CA$1642 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.), 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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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. Aer Lingus offers the most daily flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.), 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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There is 1 nonstop flight per day from Dublin (DUB) to Seattle - Tacoma Intl. (SEA). For even more choices, look at flights that include layovers, as there are around 102 connecting flights per day. Some common connection points include Heathrow (LHR), Frankfurt Intl. (FRA), and O'Hare Intl. (ORD).
What is the earliest flight from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 5:00 AM. This service is offered by Lufthansa and Condor. This is a seasonal service, active in February and December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Thursday, with around 76 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aer Lingus, British Airways, and United. Flight schedules are quite consistent throughout the week, with Thursday offering only slightly more options than other days.
What are the most popular departure times for flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, between 9am and 12pm. Many major carriers, including United, Aer Lingus and American Airlines, offer flights during this window. Many travellers prefer these times as they allow for an early start to their journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A non-stop flight from Dublin (DUB) to Seattle - Tacoma Intl. (SEA) typically takes around 9 hours 48 minutes, covering a distance of approximately 7285 kilometres. If you opt for a flight with one stop, your journey will usually be longer, taking about 17 hours 48 minutes. Flights with two or more stops generally take around 21 hours. 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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly business class between Dublin (DUB) and Seattle, WA (SEA). Airlines that offer business class service on this route include:
  • Swiss International Air Lines
  • Air Baltic
  • Icelandair
  • BA Cityflyer
  • Turkish Airlines
  • Lufthansa
  • Air France
  • SAS
  • KLM
  • British Airways
  • Air Canada
  • Med View Airlines
  • Aer Lingus
  • Delta
  • United
  • Helvetic Airways
  • Finnair
  • Hop!
  • American Airlines
How do I earn miles on a Dublin (DUB) to Seattle, WA (SEA) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to Seattle, WA (SEA) 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.
What airports do you fly into for Seattle, WA (SEA) from Dublin (DUB)?
If you're planning to travel to Seattle from Dublin Airport (DUB), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Heathrow (LHR), Frankfurt Intl. (FRA), or Pearson Intl. (YYZ) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dublin (DUB) to Seattle, WA (SEA) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to Seattle, WA (SEA) 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 Dublin (DUB) to Seattle, WA (SEA) flight and hotel package?
Securing a Dublin (DUB) to Seattle, WA (SEA) 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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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
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, Scandinavian Airlines, WestJet
Roundtrip price
CA $944
Distance
7241 km
Average flight time
9 hours 45 mins

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Dublin to Seattle Flights

The easy way to book your flights from Dublin to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Dublin 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 Seattle - Tacoma Intl., 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 Dublin to Seattle today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Dublin to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Dublin currently is just CA $944 rising to CA $1,348.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • 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 Seattle from Dublin 

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 Seattle with Expedia today.

Dublin to Seattle Flights

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