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

View AU$611 flight on Thu, 4 June 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Fri, 11 Sept - Mon, 21 Sept
DUB
Dublin
SEA
Seattle
AU$833 Return, found 6 days ago
AU$833
Return
found 6 days ago
Select Icelandair flight, departing Fri, 11 Sept from Dublin to Seattle, returning Mon, 21 Sept, priced at AU$833 found 6 days ago
Icelandair
Fri, 11 Sept - Mon, 21 Sept
DUB
Dublin
SEA
Seattle
AU$1,016 Return, found 6 days ago
AU$1,016
Return
found 6 days ago
Select Icelandair flight, departing Fri, 11 Sept from Dublin to Seattle, returning Mon, 21 Sept, priced at AU$1,016 found 6 days ago
Finnair
Tue, 16 June - Tue, 23 June
DUB
Dublin
SEA
Seattle
AU$1,092 Return, found 3 days ago
AU$1,092
Return
found 3 days ago
Select Finnair flight, departing Tue, 16 June from Dublin to Seattle, returning Tue, 23 June, priced at AU$1,092 found 3 days ago
Finnair
Tue, 16 June - Tue, 23 June
DUB
Dublin
SEA
Seattle
AU$1,099 Return, found 3 days ago
AU$1,099
Return
found 3 days ago
Select Finnair flight, departing Tue, 16 June from Dublin to Seattle, returning Tue, 23 June, priced at AU$1,099 found 3 days ago
Iberia
Tue, 16 June - Tue, 23 June
DUB
Dublin
SEA
Seattle
AU$1,134 Return, found 3 days ago
AU$1,134
Return
found 3 days ago
Select Iberia flight, departing Tue, 16 June from Dublin to Seattle, returning Tue, 23 June, priced at AU$1,134 found 3 days ago
Iberia
Tue, 16 June - Tue, 23 June
DUB
Dublin
SEA
Seattle
AU$1,142 Return, found 3 days ago
AU$1,142
Return
found 3 days ago
Select Iberia flight, departing Tue, 16 June from Dublin to Seattle, returning Tue, 23 June, priced at AU$1,142 found 3 days ago
Iberia
Tue, 16 June - Tue, 23 June
DUB
Dublin
SEA
Seattle
AU$1,157 Return, found 3 days ago
AU$1,157
Return
found 3 days ago
Select Iberia flight, departing Tue, 16 June from Dublin to Seattle, returning Tue, 23 June, priced at AU$1,157 found 3 days ago
Iberia
Tue, 16 June - Tue, 23 June
DUB
Dublin
SEA
Seattle
AU$1,160 Return, found 3 days ago
AU$1,160
Return
found 3 days ago
Select Iberia flight, departing Tue, 16 June from Dublin to Seattle, returning Tue, 23 June, priced at AU$1,160 found 3 days ago
Scandinavian Airlines
Fri, 11 Sept - Mon, 21 Sept
DUB
Dublin
SEA
Seattle
AU$1,308 Return, found 6 days ago
AU$1,308
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Fri, 11 Sept from Dublin to Seattle, returning Mon, 21 Sept, priced at AU$1,308 found 6 days ago
Delta
Fri, 11 Sept - Mon, 21 Sept
DUB
Dublin
SEA
Seattle
AU$1,367 Return, found 6 days ago
AU$1,367
Return
found 6 days ago
Select Delta flight, departing Fri, 11 Sept from Dublin to Seattle, returning Mon, 21 Sept, priced at AU$1,367 found 6 days ago

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 AU$833. 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.

Frequently asked questions

How much does a flight from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between $2,974 and $11,827 and return flights often range between $2,249 and $13,951. 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.
Which airlines fly direct from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter DUB to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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.) (SEA) will differ from traveller to traveller. If you like to fly early, EI offers early morning flights. If price is the most important factor, EI typically offers the lowest fares. EI offers the most daily flights from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA), 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 approximately 1 nonstop flight per day from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.). For even more choice, look at flights that include layovers. You'll find around 77 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 at approximately 5:00 AM local time. This service is operated 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.) (SEA) on a Thursday, with around 73 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Aer Lingus, British Airways, and United Airlines. Flight schedules are consistent throughout the week.
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. Around 31% of passengers reckon this time window's best. Heaps of major carriers, including United Airlines, Delta Air Lines and American Airlines, offer flights during this window. This timing works well because it allows for a comfortable morning departure and an afternoon arrival, giving you time to settle in.
How long does it take to fly from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying nonstop from DUB to SEA takes around 9 hours 50 minutes, with the route covering approximately 4,527 miles. Flights with a layover typically take 7 hours longer than direct options. 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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for DUB to SEA 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 Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 from DUB (DUB)?
If you're planning to travel to Seattle from DUB (DUB), you can fly directly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Heathrow (LHR), Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC) 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-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Dublin (DUB) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.
Return price
AU$833
Distance
7241 km
Average flight time
9 hours 45 mins

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