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Find cheap flights to Seattle from €326

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 16/9. 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
Mi 12/6
Mi 19/6

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 41,771,603 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
16:40 - 08:34DUB-SEA
23h 54m1 stop
06:07 - 05:15SEA-DUB
15h 08m1 stop
€390
Find Deal
Di, 10 Sep - Mi, 25 Sep
11:35 - 22:00DUB-SEA
18h 25m1 stop
10:48 - 10:25SEA-DUB
15h 37m1 stop
€444
Find Deal
Mo, 9 Sep - Mi, 25 Sep
12:15 - 20:35DUB-SEA
16h 20m1 stop
15:50 - 11:05SEA-DUB
11h 15m1 stop
€587Icelandair
Find Deal
Di, 10 Sep - Do, 26 Sep
12:15 - 20:35DUB-SEA
16h 20m1 stop
15:50 - 11:05SEA-DUB
11h 15m1 stop
€589Icelandair
Find Deal
Di, 10 Sep - Mi, 25 Sep
13:00 - 17:45DUB-SEA
12h 45m1 stop
18:45 - 19:40SEA-DUB
16h 55m1 stop
€626British Airways
Find Deal
Fr, 25 Okt - So, 3 Nov
15:20 - 17:01DUB-SEA
9h 41mdirect
18:45 - 11:45SEA-DUB
9h 00mdirect
€679Aer Lingus
Find Deal
Mi, 11 Sep - Mi, 25 Sep
12:50 - 21:00DUB-SEA
16h 10m1 stop
18:45 - 11:45SEA-DUB
9h 00mdirect
€687Aer Lingus
Find Deal
Di, 10 Sep - Mi, 25 Sep
11:35 - 08:28DUB-SEA
28h 53m2 stops
05:31 - 08:55SEA-DUB
43h 24m3 stops
€725United Airlines
Find Deal
Fr, 25 Okt - So, 3 Nov
09:30 - 21:57DUB-SEA
20h 27m1 stop
01:14 - 09:45SEA-DUB
24h 31m1 stop
€726British Airways
Find Deal
Sa, 15 Jun - Fr, 21 Jun
09:50 - 18:42DUB-SEA
16h 52m2 stops
17:00 - 11:10SEA-DUB
34h 10m1 stop
€848United Airlines
Find Deal
Mo, 12 Aug - Fr, 23 Aug

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 Friday where tickets can be as cheap as €658. On the other hand, the most expensive day to fly is Sunday, where prices are €869 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 April, where tickets cost €564 on average for one-way flights. On the other hand, the most expensive months are July and January, where the average cost of tickets from Ireland is €962 and €833 respectively. For return trips, the best month to travel is April with an average price of €564.

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 €632 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 €728.

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 58 days before departure.

Which airline offers the most flights to Seattle?

Of the 10 airlines that fly to Seattle, Alaska Airlines offers the most flights, with around 3,290 per week, followed by Delta with 1,823 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 28m, 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 Thursday, 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

January

High season

June

Cheapest flight

€326
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly (18% more expensive 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 €1,037. The cheapest price found on KAYAK in the last 2 weeks cost €590 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, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 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, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 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 10980 reviews
8.1Crew
7.2Comfort
7.1Entertainment
6.7Food
7.7Boarding
Airline reviews

No lounge access with “United First” ticket. False alarm about late flight, jeopardizing connection. Wrong meal. Loose power socket would not hold plug, could not charge device. In-flight access to text messaging did not work. Toilet seat on plane would not stay up.

4.0 OkayAnonymous, May 2024BOS - IAH
Read more about United Airlines reviews

No lounge access with “United First” ticket. False alarm about late flight, jeopardizing connection. Wrong meal. Loose power socket would not hold plug, could not charge device. In-flight access to text messaging did not work. Toilet seat on plane would not stay up.

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Boarding was terrible. My wife uses a wheel chair and she was in an incredibly hot closed metal cargo box for close to 20 minutes before getting on board

Check in etc was very good. As for on the plane, it was like flying in a freezer. It was so cold, i have flown for years and never been so cold on a plane. Staff on board said its always cold when flying which is a load of rubbish. They wouldnt put any heating on and now i have the flu because of this .

I’ve had a couple flights this week on United that were delayed by an hour or more

Surprisingly easy! I was hesitant to try this, but the cost swayed me. I actually felt like I had less stress than all the taxiing and possible delays that occur with short regional flights where you spend less time in the air than getting to and from the plane..

It was okay, no wifi or entertainment real disappointment. Staff onboard not very friendly.

This flight was delayed multiple times and eventually canceled around 2-3ish. Original take off time was around 10:30am. By 3, there were no other options out of Houston, so stuck in Houston for from 3pm - 11am the next day.

It started with multiple delays, cancellations, re booking, 5 hour lay over and finally on a plane from Chicago to Pittsburgh. Gates, times, etc were changed multiply times. Once on the plane, staff was fine, but built in tv did not work and could not even turn it off. Light at eye level the entire trip, so sleeping was near impossible. No snacks or drinks given.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

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 would have preferred something lighter for the second meal. Maybe a small sandwich .

They cancelled our flight the morning of departure at 4:30am.

Coach seats are too tight. Seem designed for small people. Food different but OK. Staff helpful.

my original flight was cancelled the previous day, and i was rescheduled onto this flight, which left much earlier in the morning, impacting my previous evening and requiring me to get up much earlier in the morning to get to the airport online. This practice happens way way way too much, and it seems on every airline, though AA is probably the worst.

Spending 10 hours on a flight with no video or wifi access due to issues per stewardess was not enjoyable nor acceptable. Will follow up directly with the airline as well

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.

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.
10/9Di
1 stop
23h 54mDUB-SEA
25/9Mi
1 stop
15h 08mSEA-DUB
€390
9/9Mo
1 stop
18h 25mDUB-SEA
25/9Mi
1 stop
15h 37mSEA-DUB
€444
10/9Di
1 stopIcelandair
16h 20mDUB-SEA
26/9Do
1 stopIcelandair
11h 15mSEA-DUB
€587
10/9Di
1 stopIcelandair
16h 20mDUB-SEA
25/9Mi
1 stopIcelandair
11h 15mSEA-DUB
€589
25/10Fr
1 stopBritish Airways
12h 45mDUB-SEA
3/11So
1 stopBritish Airways
16h 55mSEA-DUB
€626
11/9Mi
directAer Lingus
9h 41mDUB-SEA
25/9Mi
directAer Lingus
9h 00mSEA-DUB
€679
10/9Di
1 stopAer Lingus
16h 10mDUB-SEA
25/9Mi
directAer Lingus
9h 00mSEA-DUB
€687
25/10Fr
2 stopsUnited Airlines
28h 53mDUB-SEA
3/11So
3 stopsUnited Airlines
43h 24mSEA-DUB
€725
15/6Sa
1 stopBritish Airways
20h 27mDUB-SEA
21/6Fr
1 stopBritish Airways
24h 31mSEA-DUB
€726
12/8Mo
2 stopsUnited Airlines
16h 52mDUB-SEA
23/8Fr
1 stopUnited Airlines
34h 10mSEA-DUB
€848

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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.
16/9Mo
2 stopsWestJet
18h 56mDUB-SEA
€326
16/9Mo
3 stops
31h 46mDUB-SEA
€349
19/6Mi
2 stops
40h 06mDUB-SEA
€361
21/6Fr
1 stopIcelandair
13h 25mDUB-SEA
€395
16/9Mo
1 stopIcelandair
16h 20mDUB-SEA
€401
26/8Mo
directAer Lingus
9h 41mDUB-SEA
€522
26/8Mo
directAer Lingus
9h 41mDUB-SEA
€575
24/8Sa
1 stopJetBlue
19h 45mDUB-SEA
€576
22/7Mo
1 stopJetBlue
16h 32mDUB-SEA
€741
1/7Mo
1 stopBritish Airways
16h 25mDUB-SEA
€816

Search by stops

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Recent domestic flight deals

2/11Sa
directAlaska Airlines
4h 38mORD-SEA
5/11Di
directAlaska Airlines
4h 09mSEA-ORD
€138
11/6Di
directDelta
2h 18mSFO-SEA
18/6Di
directDelta
2h 16mSEA-SFO
€138
5/6Mi
directDelta
2h 17mSFO-SEA
8/6Sa
directDelta
2h 16mSEA-SFO
€142
4/6Di
multi-stopSpirit Airlines
6h 46mLAX-SEA
5/6Mi
multi-stopSpirit Airlines
10h 04mSEA-LAX
€156
23/6So
multi-stopSun Country Air
17h 54mORD-SEA
30/6So
multi-stopSun Country Air
17h 44mSEA-ORD
€225
21/8Mi
directUnited Airlines
4h 34mORD-SEA
27/8Di
multi-stopUnited Airlines
9h 45mSEA-ORD
€227
13/6Do
multi-stopSun Country Air
6h 19mORD-SEA
23/6So
multi-stopSun Country Air
17h 07mSEA-ORD
€231
23/5Do
multi-stop
10h 22mDFW-SEA
28/5Di
multi-stop
10h 09mSEA-DFW
€240
2/11Sa
multi-stopUnited Airlines
4h 52mLAX-SEA
12/11Di
multi-stopUnited Airlines
5h 48mSEA-LAX
€245
23/5Do
multi-stop
17h 35mDFW-SEA
28/5Di
multi-stop
10h 09mSEA-DFW
€262

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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.
18/5Sa
multi-stopIcelandair
13h 25mDUB-SEA
25/5Sa
multi-stopIcelandair
11h 15mSEA-DUB
€700
18/5Sa
multi-stopUnited Airlines
16h 48mDUB-SEA
25/5Sa
multi-stopUnited Airlines
13h 46mSEA-DUB
€762
18/5Sa
multi-stop
17h 51mDUB-SEA
25/5Sa
multi-stop
30h 55mSEA-DUB
€783
18/5Sa
multi-stop
23h 37mDUB-SEA
25/5Sa
multi-stop
21h 05mSEA-DUB
€855
18/5Sa
multi-stopDelta
28h 50mDUB-SEA
24/5Fr
multi-stopDelta
26h 05mSEA-DUB
€904
18/5Sa
direct
9h 41mDUB-SEA
25/5Sa
multi-stop
14h 31mSEA-DUB
€1,019
18/5Sa
directAer Lingus
9h 41mDUB-SEA
25/5Sa
directAer Lingus
9h 00mSEA-DUB
€1,242

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Ireland

Cabin classes:

€2,279
€2,406
€590

Popular routes

The most searched flights to Seattle by KAYAK users.