Dublin to Seattle Flights on Aer Lingus from €262.54*
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Book Dublin (DUB) to Seattle (SEA) flight deals*
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Business Class deals on flights to Seattle (SEA)
Dublin (DUB)to
Seattle (SEA)
18 Jun 2026 - 3 Jul 2026
Each way
Business
From
€1,285.35
Seen: 23 hrs ago
Dublin (DUB)to
Seattle (SEA)
2 Jun 2026 - 7 Jun 2026
Each way
Business
From
€1,354.83
Seen: 21 hrs ago
Dublin (DUB)to
Seattle (SEA)
28 May 2026 - 6 Jun 2026
Each way
Business
From
€1,395.21
Seen: 5 hrs ago
Dublin (DUB)to
Seattle (SEA)
27 May 2026 - 6 Jun 2026
Each way
Business
From
€1,412.44
Seen: 5 hrs ago
Dublin (DUB)to
Seattle (SEA)
11 Jun 2026 - 25 Jun 2026
Each way
Business
From
€1,424.04
Seen: 17 hrs ago
Dublin (DUB)to
Seattle (SEA)
7 Jun 2026 - 17 Jun 2026
Each way
Business
From
€1,435.77
Seen: 18 hrs ago
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.
Flights from Dublin to Seattle
As Ireland’s flag carrier, Aer Lingus offers frequent flights, dependable schedules and a warm Irish welcome on routes between Ireland and the UK, Europe and North America.
Our long-haul transatlantic flights are designed to make going further feel effortless; with comfortable cabins, thoughtful onboard service and the added convenience of US Preclearance when flying from Dublin and Shannon.
We love flying from Dublin to Seattle because it connects Ireland with one of the most scenic and forward-thinking cities in the US. From its stunning waterfront and mountain views to its thriving tech, music, and coffee culture, Seattle is a city that inspires — and with direct Aer Lingus service, it’s never been easier to get there.
When is the Cheapest Time of Year to Fly to Seattle?
Cheap flights from Dublin to Seattle can be bought throughout December right through to March. The winter months offer an excellent opportunity for a cheap getaway to this beautiful city.
How do you find the cheapest flights from Dublin to Seattle with Aer Lingus?
- Book your flights through our website
- Sign-up to the Aer Lingus newsletter for information on upcoming sales
- Collect Avos points by becoming an AerClub member
- Fly at less busy times or mid-week
How long is the flight from Dublin to Seattle?
The direct flight from Dublin to Seattle takes around 9 hours 55 minutes. Flight times can vary slightly depending on conditions.
Can I check in online for my Dublin to Seattle flight?
Yes, online check-in opens 48 hours before departure. It’s the quickest way to choose your seat, download your boarding pass, and save time at the airport.
What can I expect on board with Aer Lingus?
You can look forward to friendly service, tasty food, drink and snack options from our Bia menu. See all .
How much luggage can I bring on my flight?
On transatlantic flights you can bring small personal item and a 10kg bag onboard free of charge. Checked baggage allowance depends on your selected fare type. Read more about transatlantic checked baggage.
Do I need a passport or visa to travel from Dublin to Seattle?
We always recommend checking the latest requirements before you fly.
Flying to Seattle with Aer Lingus
Fly with Aer Lingus from Dublin to Seattle and you can benefit from pre-clearance, so when you arrive you can collect your luggage and go. Once on board your transatlantic flight, sit back, relax and enjoy our award winning service. Find out what makes flying with us so special.
What to see in Seattle
Seattle must rank as one of America's hippest cities. There are so many reasons to visit this hub of creativity, enterprise, and amazing views. The list below is only the beginning:
- Space Needle: Get a birds eye view of Seattle from the 'top house' of one of the most recognisable landmarks in the world. Built for the World's Fair in the 1960's the Space Needle offers panoramic views of the city and mountains beyond from over 500 feet up.
- Pike Place Market: most famous as the home of the original Starbucks coffee, Pike Place Market is a large farmers market selling some of the freshest produce in the city. It is also home to some wonderful bars, restaurants, and a craft market, making it a must visit while in Seattle.
- Museum of Pop Culture: From music to fashion to tattoos, this museum is anything but boring. Expect extensive exhibitions on everything from local legends Nirvana to science fiction with lots of interactivity to keep the whole family entertained.
- Seattle Grunge Tour: if you are a fan of grunge music, do not miss out on a walking tour of some of the most iconic locations where your favourite musicians played, practiced, and lived.
Some Related Reads on Seattle
Behind the scenes: Take a tour of Seattle and the Pacific Northwest
The 7 most Instagrammable spots in Seattle
Other useful links
Aer Lingus Newsletter
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Book Dublin to Seattle flight deals*
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Dublin (DUB) | Seattle (SEA) | Each way / Economy | 5 Oct 2026 - 12 Oct 2026 | From €385.32 Seen: 5 hrs ago |
| Dublin (DUB) | Seattle (SEA) | Each way / Economy | 13 Oct 2026 - 18 Oct 2026 | From €405.66 Seen: 7 hrs ago |
| Dublin (DUB) | Seattle (SEA) | Each way / Economy | 4 Oct 2026 - 16 Oct 2026 | From €409.04 Seen: 16 hrs ago |
| Dublin (DUB) | Seattle (SEA) | Each way / Economy | 22 Oct 2026 - 28 Oct 2026 | From €409.04 Seen: 15 hrs ago |
| Dublin (DUB) | Seattle (SEA) | Each way / Economy | 17 Oct 2026 - 23 Oct 2026 | From €405.66 Seen: 4 hrs ago |
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.