SEA - DUB

C$ 330 Find Cheap Flights from Seattle to Dublin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Dublin departing on 26/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Dublin

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Dublin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Dublin, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Seattle to Dublin (SEA-DUB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Dublin

Wed, 12 Nov - Wed, 26 Nov
United Airlines Logo
8:00 a.m. - 10:05 a.m.SEA-DUB
18h 05m1 stop
United Airlines Logo
9:00 a.m. - 11:40 a.m.DUB-SEA
34h 40m2 stops
C$ 622United Airlines
Find Deal
Mon, 17 Nov - Fri, 28 Nov
United Airlines Logo
8:00 a.m. - 10:05 a.m.SEA-DUB
18h 05m1 stop
United Airlines Logo
9:00 a.m. - 12:59 a.m.DUB-SEA
23h 59m2 stops
C$ 640United Airlines
Find Deal
Sun, 3 Aug - Wed, 20 Aug
United Airlines Logo
12:20 a.m. - 9:45 a.m.SEA-DUB
25h 25m1 stop
United Airlines Logo
12:30 p.m. - 9:18 p.m.DUB-SEA
40h 48m2 stops
C$ 654United Airlines
Find Deal
Wed, 13 Aug - Wed, 20 Aug
United Airlines Logo
7:20 a.m. - 7:45 a.m.SEA-DUB
16h 25m1 stop
United Airlines Logo
8:50 a.m. - 10:52 p.m.DUB-SEA
22h 02m2 stops
C$ 659United Airlines
Find Deal
Sat, 30 Aug - Tue, 9 Sep
Scandinavian Airlines Logo
4:00 p.m. - 4:10 p.m.SEA-DUB
16h 10m1 stop
Scandinavian Airlines Logo
7:05 p.m. - 1:50 p.m.DUB-SEA
26h 45m1 stop
C$ 674Scandinavian Airlines
Find Deal
Sat, 30 Aug - Thu, 4 Sep
Scandinavian Airlines Logo
4:00 p.m. - 4:10 p.m.SEA-DUB
16h 10m1 stop
Scandinavian Airlines Logo
12:20 p.m. - 1:50 p.m.DUB-SEA
33h 30m2 stops
C$ 680Scandinavian Airlines
Find Deal
Thu, 7 Aug - Mon, 18 Aug
Icelandair Logo
3:45 p.m. - 11:05 a.m.SEA-DUB
11h 20m1 stop
Icelandair Logo
2:15 p.m. - 11:25 a.m.DUB-SEA
29h 10m1 stop
C$ 681Icelandair
Find Deal
Tue, 12 Aug - Mon, 18 Aug
Icelandair Logo
11:30 p.m. - 1:15 p.m.SEA-DUB
29h 45m1 stop
Icelandair Logo
2:15 p.m. - 11:25 a.m.DUB-SEA
29h 10m1 stop
C$ 682Icelandair
Find Deal
Tue, 26 Aug - Fri, 5 Sep
British Airways Logo
1:30 p.m. - 5:55 p.m.SEA-DUB
20h 25m1 stop
British Airways Logo
12:45 p.m. - 6:20 p.m.DUB-SEA
13h 35m1 stop
C$ 747British Airways
Find Deal
Thu, 7 Aug - Fri, 15 Aug
Aer Lingus Logo
1:30 p.m. - 10:15 a.m.SEA-DUB
12h 45m1 stop
Aer Lingus Logo
4:10 p.m. - 5:50 p.m.DUB-SEA
9h 40mdirect
C$ 875Aer Lingus
Find Deal
Expert advice

Expert advice for your flight from Seattle to Dublin

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
SEA

Use the SEA Spot Saver for expedited security screening without a paid program. Book online or via the flySEA app.

Read more about SEAby Harriet Baskas
DUB

For a smooth arrival, use the airport bus services to reach Dublin city centre. They operate 24/7 with scenic views.

Read more about DUBby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on DUB

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Harriet Baskas

Harriet Baskas

Expert on SEA

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Useful Info

KAYAK's insights & trends for Seattle to Dublin flights

Get data-powered insights and trends into flights from Seattle to Dublin to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Dublin is January, where tickets cost C$ 597 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is C$ 1,392 and C$ 1,173 respectively.

Can I save money by flying with a layover from Seattle to Dublin?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 625 on average.

How far in advance should I book a flight from Seattle to Dublin?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Dublin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Dublin, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.


Good to know

Low seasonJanuary
High seasonSeptember
Cheapest flightC$ 330
Best time to beat the crowds (36% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flight from Seattle to Dublin

When to book flights from Seattle to Dublin

Are your dates flexible? Find out the best times to travel from Seattle to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Dublin

  • What is the cheapest flight from Seattle to Dublin?

    In the last 3 days, the lowest price for a flight from Seattle to Dublin was C$ 241 for a one-way ticket and C$ 455 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Dublin?

    All the following airlines offer inflight Wi-Fi service on the Seattle to Dublin flight route: Delta, Virgin Atlantic, Air France, KLM, Aer Lingus, Lufthansa, United Airlines, and American Airlines.

  • Which aircraft models fly most regularly from Seattle to Dublin?

    The Airbus A330-200 is the aircraft model that flies most regularly on the Seattle to Dublin flight route.

  • Which airline alliances offer flights from Seattle to Dublin?

    oneworld is the only airline alliance operating flights between Seattle and Dublin.

  • On which days can I fly direct from Seattle to Dublin?

    There are direct flights from Seattle to Dublin on a daily basis.

  • Which is the best airline for flights from Seattle to Dublin, Aer Lingus or Icelandair?

    The two airlines most popular with KAYAK users for flights from Seattle to Dublin are Aer Lingus and Icelandair. With an average price for the route of C$ 939 and an overall rating of 7.1, Aer Lingus is the most popular choice. Icelandair is also a great choice for the route, with an average price of C$ 841 and an overall rating of 7.0.

  • How does KAYAK find such low prices on flights from Seattle to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Dublin

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 630 or less round-trip.

Prefer to fly direct from Seattle to Dublin?

Find which airlines fly direct from Seattle/Tacoma Intl Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Dublin

Monday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Tuesday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Wednesday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Thursday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Friday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Saturday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Sunday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

See more nonstop flights

Direct returns

Dublin to Seattle/Tacoma Intl

Monday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Tuesday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Wednesday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Thursday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Friday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Saturday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

Sunday

Aer Lingus,American Airlines,British Airways

Aer Lingus,American Airlines, +1 more

See more nonstop flights
See more nonstop flights

Top 3 airlines serving from Seattle to Dublin

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Dublin. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Dublin? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Aer LingusOverall score based on 1117 reviews
6.4Food
7.2Boarding
7.0Comfort
6.8Entertainment
7.9Crew
Airline reviews

There was no room in the seats, smallest room we've ever had and the food was awful.

6.0 GoodAnonymous, May 2025CDG - DUB
Read more Aer Lingus reviews

There was no room in the seats, smallest room we've ever had and the food was awful.

I dont fly them much anymore. Other carries offere better pricing and better seating options

Seats weren't very comfortable for a long haul flight but the service made up for it.

This flight was of exactly the same high standard as the outbound leg, exactly a week earlier - except that we didn't have any food or drink because it departed at around midnight.

The Glasgow to Dublin route was very efficiently boarded, flight and landing and disembarkation were all super smooth. Dublin to JFK flight I was very pleasantly surprised overall. This was my first time on Aer Lingus and having already come off the short regional flight I was curious to know how the international flight would go. Aircraft was solid, entertainment options were better than expected, flight crew were experienced and operated like clockwork. Main entree left a little something to be desired but the snack was very tasty. Boarding and disembarkation again very smooth and pilots got us in earlier than expected. Would definitely fly again

I liked how they looked after couples by providing a row of 4 seats if available.

Food was very bad. Boarding was disorganized and messy. Crew was friendly

I believe it was short flight in plane I understand not that much compared to other airlines but weighting for checkin was too long need extra person for checkin or Atleast someone to let the customer knows don’t worry someone will be here shortly.

Seats were alarming close to the row in front of you. I didn’t do the measurements online, which I’m sure they’re available, but it seemed much tighter than other planes, but the airplane itself was well maintained and looked fairly new. My only complaint on the staff was that we’re on an international flight. Normally they give you wine with dinner and the flight attendant decided to pull some strict restrictions and wouldn’t give more than one glass of wine per person, and you could not share with your spouse, which seemed ridiculous when we have four people on the plane with us and only one person ordered wine asked for a second one and she said oh absolutely not. It’s only one per person Which on a transcontinental usually is not the case. They’re very attentive on making sure everyone is as comfortable as possible.

Boarding seemed a bit chaotic and we had to walk outside across the tarmac. Passengers of all ages had to drag carry on luggage up the outside stairway into the aircraft. There was no WiFi. Very uncomfortable crammed seats. Glad in-air time was only an hour!

Seats in premier saga class were narrow and hard. Very uncomfortable for a 5-hour flight.

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset.

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset. If there is option to use another company, I suggest to other people use them.

The seats on this airline are sooo small, even for a petite person. I felt like the seat tilted forward and I was fighting to stay in it. The lavatory is horribly small, with a wet floor because the sink is so small you can't help but splash the water all over when washing up.

For an economy lite experience, it's by far the best I've had. New planes, clean, great destinations. Very happy to have discovered Iceland Air.

No food was served for 7.5 hrs flight. When our flight changed to other airlines due to wether issue, our seats booked with no checked in luggage when I already payed for. We end up to pay 90 euro per suitcase.

The flights were in time and the bags arrived. well done

Booked with Kayak… Economy Class it said. I had filtered for 1 checked bag. Get to boarding and it says I have Economy Light w/ no checked bags. $136 each way for baggage now. Do not use smartfares.com. Very misleading and a terrible start to this trip.

Our three ski bags did not arrive and are still not delivered, one full day later. With one ski bag not traceable at all. I would not fly Iceland Air again.

Horrible. The flight was delayed by over 3 hours but updates were barely provided. Boarding started 3 hours late then stopped because their system crashed. So now, passengers were standing for 15 minutes in the open waiting to get boarding passes scanned and get on a bus. Duty-free closed around 4-4:30. Only 1 food outlet was open and it was super slow and busy since it was serving passengers from multiple flights. So a number of passengers couldn't buy meals at the terminal. Since the flight was delayed by over 3 hours, we could have been offered snacks on-board. Nothing. The seats barely reclined. In-flight entertainment options were pitiful. Overall, a miserable experience. Never flying on Icelandair ever again. :(

The payment system was not working so was unable to connect wifi the entire flight

everything to do with KAYAK was terrible. Your customer facing departments are utterly useless, timewasting and unhelpful.

I ordered short ribs for main course. It tasted sweet, really sweet. Horrible.

Our luggage didn’t arrive with us, that puts a damper on the whole trip.

The screen didn’t work and I didn’t get the seat upgrade I paid $300 for. They were no help with that,

Paid $180 for seat selection, and selection essnt honored. Have to call for a refund.

Was 3 hrs delayed and my poor friend I met in Barcelona was waiting at airport for 3 hrs. Dallas airport was awful

Dreadfully long wait for bags at Dublin coming off an already late flight.

The internet was horrible. Plus they charged me $25 for service that didn't work which should have been free since I'm Concierge Key. The flight attendant Rick Young was excellent. Greeted me by name and very attentive.

Not good. First time flying AA in years and won’t be doing so again. We departed late and missed our connecting flight to Barcelona. As a result we missed the first two days of a Mediterranean cruise. No reason given for the delay. Got rerouted from JFK to Heathrow and then to Barcelona. Flight to Heathrow was delayed causing us to miss the flight to Barcelona again. Routed then to Palmero where we had to purchase transportation and a 2 night hotel stay to pick up the cruise there. Probably cost us $2k plus.

Everything you need to know for your flight from Seattle to Dublin

Information on your arrival and departure airports

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