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Find cheap flights to Seattle from €317

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 30/4. 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
0 bags
Fri 24/5
Fri 31/5

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle, as well as popular online travel agencies
In the last 7 days, travellers have searched 44,632,927 times on KAYAK, and here's why:

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Cheap flight deals to Seattle

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Seattle 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 and deals for you by selecting your travel dates.
Choose your dates
11:10 - 16:50DUB-SEA
13h 40m1 stop
07:20 - 07:45SEA-DUB
16h 25m1 stop
€423KLM
Find Deal
Wed, 11 Sep - Wed, 25 Sep
11:10 - 16:50DUB-SEA
13h 40m1 stop
07:20 - 07:45SEA-DUB
16h 25m1 stop
€426KLM
Find Deal
Wed, 11 Sep - Wed, 25 Sep
11:10 - 16:50DUB-SEA
13h 40m1 stop
00:30 - 10:45SEA-DUB
26h 15m1 stop
€431Delta
Find Deal
Wed, 11 Sep - Tue, 24 Sep
12:15 - 20:35DUB-SEA
16h 20m1 stop
15:50 - 11:05SEA-DUB
11h 15m1 stop
€578Icelandair
Find Deal
Sat, 21 Sep - Thu, 3 Oct
14:50 - 11:20DUB-SEA
28h 30m1 stop
15:50 - 11:05SEA-DUB
11h 15m1 stop
€579Icelandair
Find Deal
Thu, 29 Aug - Thu, 12 Sep
15:20 - 17:01DUB-SEA
9h 41mdirect
18:45 - 11:45SEA-DUB
9h 00mdirect
€612Aer Lingus
Find Deal
Sun, 19 May - Mon, 3 Jun
07:15 - 17:45DUB-SEA
18h 30m1 stop
13:30 - 12:35SEA-DUB
15h 05m1 stop
€676British Airways
Find Deal
Mon, 6 May - Mon, 13 May
15:20 - 17:01DUB-SEA
9h 41mdirect
06:00 - 11:45SEA-DUB
21h 45m1 stop
€694Aer Lingus
Find Deal
Sun, 19 May - Sun, 26 May
13:35 - 22:27DUB-SEA
16h 52m2 stops
12:45 - 10:20SEA-DUB
13h 35m1 stop
€744United Airlines
Find Deal
Tue, 21 May - Sat, 1 Jun
12:30 - 23:00DUB-SEA
18h 30m2 stops
08:10 - 09:45SEA-DUB
17h 35m2 stops
€748United Airlines
Find Deal
Mon, 9 Sep - Wed, 25 Sep

Flights to Seattle - Travel Insights & Trends

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

What is the cheapest day to fly to Seattle?

The average price of all flights to Seattle clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to Seattle is Tuesday where tickets can be as cheap as €660. On the other hand, the most expensive day to fly is Sunday, where prices are €877 on average.

What is the cheapest month to fly to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Seattle, 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 to Seattle is February, where tickets cost €461 on average for one-way flights. On the other hand, the most expensive months are July and August, where the average cost of tickets from Ireland is €967 and €827 respectively. For return trips, the best month to travel is February with an average price of €461.

What is the cheapest time of day to fly to Seattle?

The average price for all flights to Seattle depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Seattle is generally in the morning, when flights cost €644 on average. The most expensive time of day to fly to Seattle is generally in the evening, which is peak travel time and where the average cost of a ticket is €762.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price, you should book around 0 weeks before departure. For the absolute cheapest price, our data suggests you should book 85 days before departure.

Which airline offers the most flights to Seattle?

Of the 11 airlines that fly to Seattle, Alaska Airlines offers the most flights, with around 3,461 per week, followed by Delta with 1,717 flights per week.

How long is the flight to Seattle?

The duration of your flight to Seattle depends on your departure and arrival airports. Obviously any flights that include a layover will also be longer. The most popular routes to Seattle on KAYAK are from Dublin, which takes 9h 41m, Shannon, which takes 17h 33m, and Cork, which takes 25h 00m.

How many direct flights to Seattle are there each day?

There are around 2 direct flights from within Ireland to Seattle every day. Most flights depart in the afternoon, with 15:00 the most common departure time and 100% of flights departing in the afternoon.

How many direct flights to Seattle are there each week?

Each week there are around 11 direct flights from within Ireland to Seattle. The most common day for departures is Sunday, with 18% of flights taking off on this day.

How many long-haul flights are there to Seattle each week?

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Seattle. Instead, there are 11 long-haul flights (6-12 hour flight duration), with the most arriving from Dublin.

How many cities have direct flights to Seattle?

From Ireland, there are direct flights to Seattle from 1 city. This city is Dublin and there are 11 direct flights each week.

Good to know

Low season

February

High season

September

Cheapest flight

€317
Best time to beat the crowds (29% less expensive on average)
Most popular time to fly and prices are also 6% lower on average.
Flight from Dublin to Seattle

When to book flights to Seattle

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

FAQs - booking Seattle flights

  • How far is Seattle from central Seattle?

    Seattle is 18 km from the centre of Seattle.

  • What is the name of Seattle’s airport?

    When flying to Seattle, you'll arrive at Seattle (SEA). The airport is also known as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.

  • How much is a flight to Seattle?

    On average, a flight to Seattle costs €766. The cheapest price found on KAYAK in the last 2 weeks cost €279 and departed from Dublin Airport.

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

    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 to Seattle.

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

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

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

    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 Seattle with an airline and back with another airline.

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

    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 Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Seattle

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

Prefer to fly direct to Seattle/Tacoma Intl?

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

Direct departures

Ireland to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Ireland

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Top 4 airlines flying to Seattle

 
See real verified KAYAK customer reviews for airlines flying to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Ireland to Seattle. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Seattle? 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.
7.4
United AirlinesOverall score based on 11272 reviews
8.1crew
7.2comfort
7.1entertainment
7.7boarding
6.7food
Airline reviews

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

2.0 MediocreAnonymous, Apr 2024SNA - IAH
Read more about United Airlines reviews

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

Terrible. 2 hour delay. Sat on the tarmac. Missed my connecting flight. Had to ARGUE with Customer service to get a hotel and food. Terrible experience with my loyal carrier

Our seat tv didn’t work All the rest was perfect

Flight delayed from Cape Town to Washington then got diverted to miami and in miami we had to fend for ourselves , im still trying to get to Shreveport now

I liked the exit row seat. Hated the distance between gates in Houston.

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

I just wrote a text which was supposed to be for the flight from Denver to spokane not Frankfurt to Denver.

On time every leg of the journey and exceptional staff at counter, gate, and on board. I haven’t travelled in US for a long time and was genuinely surprised how pleasant this was.

Meals were adequate but could be better. Lots of movies, podcasts, tv shows. We really enjoyed using our personal headsets highly recommended. 15 hrs flight great to travel at night.

The delays (5 hrs) were a comedy of errors, and the multiple safety issues encountered were very concerning.

Short flight so not much to rate. Surprised I had to pay for a soda.

the room on the plane was good but that is because flight not sold the other three seat and I had room. the food in terrible.

First the price I paid was excellent, my flight was full, but my seat was roomy. The one downside to the experience was they had games on the entertainment console. The guy behind me poked at my head about half the flight. I hope they get rid of this feature.

Very good need to offer better choice of food for business

They should. Heck planes more often not when they are suppose to be leaving causing delays

Crew was fantastic got lovely food and plenty of water. Entertainment was good. Never had to ask for anything. Left on time and got to Seattle early. Luggage did not take long either.

Always find Aer Lingus reliable and good value for money. Food on this flight was pretty basic and the headphone Jack at my seat only worked for one ear. Little disappointed in movie selection, limited on recent releases. Staff are okay - but I always buy a cheap ticket so not like I expect first class opulence anyway!!!

Boarding was so quick, flight was ahead of time which is great and the pilot spoke clearly and was letting people know everything, amazing, love travelling with you 😊

Great hospitality and service! Seats are better cushioned then some

Great hospitality and service! Seats could always be cushioned better.

So Iceland Air is one step above Spirit Airlines. They do not feed you unless you pay for it or are in Saga Class. So, bring your food. They have a drink service, but it's in a large Dixie cup. Ask for the can, that is the only way you'll get a real drink. Also, we missed our connecting flight so they put us up in a flea-bag motel. Don't get me wrong, the staff was nice and friendly, however, there was no shower gel or shampoo in the hotel. We have to go to the corner store to pick some up. The room was not in great shape. Holes in the bathroom, a badly repaired ceiling in the room. The window was warn out. So, you get the just of how bad it was.

Food and staff were excellent. Seats on Saga (business class) are comparable to domestic first class of US Airlines, regarding space and recline. Entertainment options had little international component.

Flight delayed Delay to the gate upon arrival Baggage took more than an hour so we missed our connecting!!! Terrible experience!

There is no food without paying $. Only soft drinks are included in your fare.

Some drinks and basic snack will be good. Water should be served at least once an hour. Blankets for folks who might be cold.

Pros: "Flight was relatively empty. Professional crew, comfortable seats"
Cons: "I think they skipped me with food service. Checking up on passengers who may have been sleeping would be nice. Headphones need to be purchased. Limited entertainment options."
Cons: "Communication about international COVID requirements before the day of departure."
Pros: "My seat cushion was out of alignment so not great. But I like the two side seat configuration."
Cons: "Boarding is a zoo. Board by row. It’s faster."
Pros: "Icelandair crew were very hospitable and accompodating"
Cons: "I have never sat in such a narrow seat. Literally could not put my hand down the side to pull out my seat belt. Two days later I still have sores from where the side of the seats hit my hips. Did not even provide complimentary peanuts."
Cons: "Took far too long for drinks service into the flight. Almost 2 hours in before drinks came around to me"

I really did not like being ordered to pull my shade down by the attendants. One of them was very rude to me about it, standing there until I closed it like I was a child brusquely reaching across me to close an adjoining one. They claim it was so people who wanted to could sleep. It’s a 10:30am flight not a red eye. Closing your shade or leaving it up for natural light should be a choice. Ruined my flight!

My baggage did not arrived with me. Took 3 days to get it after so may calls and follow up

The crew was very attentive and kept busy serving a variety of treats!

Terrible. Flight was 3 hours delayed and I missed my other flight to my final destination

Offered vegetable curry when it was actually tofu which I don’t care for.

The flight was good the crew excellent…but take off delayed three hours!!!

Both mine and my husband's chairs were broken. Also it took 2 hours to get our bags after our flight which was wild.

perhaps eye contact with the cabin crew, instead of abruptness and an impatience to serve.

Not enough trash pickups throughout the flight. Everything else was great.

Overall good, the gluten free food is very hit/miss though and you must tell them you have an allergy days in advance.

Book Cheap Seattle Plane Tickets

Recent return flight deals

 
These are the cheapest return flights to Seattle found on KAYAK in the last 72 hours.
11/9Wed
1 stopKLM
13h 40mDUB-SEA
25/9Wed
1 stopKLM
16h 25mSEA-DUB
€423
11/9Wed
1 stopKLM
13h 40mDUB-SEA
25/9Wed
1 stopKLM
16h 25mSEA-DUB
€426
11/9Wed
1 stopDelta
13h 40mDUB-SEA
24/9Tue
1 stopDelta
26h 15mSEA-DUB
€431
21/9Sat
1 stopIcelandair
16h 20mDUB-SEA
3/10Thu
1 stopIcelandair
11h 15mSEA-DUB
€578
29/8Thu
1 stopIcelandair
28h 30mDUB-SEA
12/9Thu
1 stopIcelandair
11h 15mSEA-DUB
€579
19/5Sun
directAer Lingus
9h 41mDUB-SEA
3/6Mon
directAer Lingus
9h 00mSEA-DUB
€612
6/5Mon
1 stopBritish Airways
18h 30mDUB-SEA
13/5Mon
1 stopBritish Airways
15h 05mSEA-DUB
€676
19/5Sun
directAer Lingus
9h 41mDUB-SEA
26/5Sun
1 stopAer Lingus
21h 45mSEA-DUB
€694
21/5Tue
2 stopsUnited Airlines
16h 52mDUB-SEA
1/6Sat
1 stopUnited Airlines
13h 35mSEA-DUB
€744
9/9Mon
2 stopsUnited Airlines
18h 30mDUB-SEA
25/9Wed
2 stopsUnited Airlines
17h 35mSEA-DUB
€748

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Seattle found on KAYAK in the last 72 hours.
30/4Tue
1 stop
13h 50mDUB-SEA
€317
2/5Thu
2 stops
48h 38mDUB-SEA
€323
20/10Sun
1 stopIcelandair
13h 40mDUB-SEA
€396
23/6Sun
2 stopsWestJet
40h 51mDUB-SEA
€397
23/6Sun
2 stopsWestJet
33h 26mDUB-SEA
€407
11/5Sat
1 stopIcelandair
13h 45mDUB-SEA
€411
3/5Fri
1 stopJetBlue
20h 04mDUB-SEA
€466
8/5Wed
1 stopJetBlue
20h 04mDUB-SEA
€471
10/5Fri
1 stopAer Lingus
36h 06mDUB-SEA
€483
10/5Fri
directAer Lingus
9h 41mDUB-SEA
€490

Search by stops

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Recent domestic flight deals

11/6Tue
multi-stopAlaska Airlines
11h 11mSFO-SEA
11/6Tue
directAlaska Airlines
2h 09mSEA-SFO
€129
17/9Tue
directDelta
4h 47mORD-SEA
18/9Wed
directDelta
3h 58mSEA-ORD
€130
7/5Tue
multi-stopSpirit Airlines
14h 45mDFW-SEA
8/5Wed
multi-stopSpirit Airlines
10h 09mSEA-DFW
€193
7/5Tue
multi-stopSpirit Airlines
14h 45mDFW-SEA
8/5Wed
multi-stopSpirit Airlines
11h 22mSEA-DFW
€202
3/5Fri
directJetBlue
6h 19mJFK-SEA
6/5Mon
directJetBlue
5h 21mSEA-JFK
€222
16/6Sun
multi-stopSun Country Air
18h 29mORD-SEA
16/7Tue
multi-stopSun Country Air
20h 09mSEA-ORD
€227
6/6Thu
multi-stopSun Country Air
6h 24mORD-SEA
9/6Sun
multi-stopSun Country Air
23h 06mSEA-ORD
€233
6/5Mon
directJetBlue
6h 19mJFK-SEA
7/5Tue
directJetBlue
5h 21mSEA-JFK
€236
11/10Fri
directUnited Airlines
4h 33mORD-SEA
15/10Tue
multi-stopUnited Airlines
10h 01mSEA-ORD
€247
21/6Fri
directUnited Airlines
2h 11mSFO-SEA
28/6Fri
directUnited Airlines
2h 19mSEA-SFO
€264

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Last minute flights to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Seattle that are departing in the next 10 days.
28/4Sun
multi-stopIberia
16h 14mDUB-SEA
5/5Sun
multi-stopIberia
20h 00mSEA-DUB
€670
28/4Sun
multi-stopAmerican Airlines
17h 41mDUB-SEA
5/5Sun
multi-stopAmerican Airlines
15h 00mSEA-DUB
€680
28/4Sun
multi-stopAmerican Airlines
17h 41mDUB-SEA
5/5Sun
multi-stopAmerican Airlines
16h 10mSEA-DUB
€688
28/4Sun
directAer Lingus
9h 41mDUB-SEA
5/5Sun
multi-stopAer Lingus
22h 21mSEA-DUB
€843
28/4Sun
directAer Lingus
9h 41mDUB-SEA
5/5Sun
directAer Lingus
9h 00mSEA-DUB
€847
28/4Sun
multi-stop
30h 00mDUB-SEA
5/5Sun
multi-stop
21h 11mSEA-DUB
€1,718

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Ireland

Cabin classes:

€2,299
€2,427
€279

Popular routes

The most searched flights to Seattle by KAYAK users.