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LTN - SEA

£289 Find cheap flights from London Luton Airport to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Luton to Seattle departing on 20/6. 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
Sat 6/7
Sat 13/7

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 in flight searches from London to Seattle, 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 London to Seattle, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,995,393 times on KAYAK, and here's why:

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Cheap flight deals from Luton to Seattle (LTN-SEA)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Luton 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
06:30 - 08:46LTN-SEA
34h 16m3 stops
07:00 - 18:20SEA-LTN
27h 20m2 stops
Fri, 12 Jul - Tue, 23 Jul
06:00 - 20:22LTN-SEA
22h 22m2 stops
18:55 - 21:00SEA-LTN
18h 05m2 stops
Mon, 22 Jul - Sat, 27 Jul
06:00 - 12:59LTN-SEA
14h 59m2 stops
07:00 - 18:25SEA-LTN
27h 25m2 stops
Mon, 15 Jul - Mon, 29 Jul
12:50 - 20:26LTN-SEA
39h 36m2 stops
13:50 - 17:40SEA-LTN
19h 50m2 stops
Tue, 8 Oct - Thu, 24 Oct
19:50 - 21:25LTN-SEA
33h 35m2 stops
07:40 - 22:15SEA-LTN
30h 35m2 stops
Mon, 17 Jun - Tue, 25 Jun
06:05 - 21:25LTN-SEA
23h 20m2 stops
07:40 - 09:10SEA-LTN
17h 30m2 stops
Tue, 18 Jun - Tue, 25 Jun
06:30 - 11:20LTN-SEA
12h 50m1 stop
07:00 - 08:00SEA-LTN
41h 00m2 stops
Fri, 21 Jun - Sat, 29 Jun
06:30 - 17:40LTN-SEA
19h 10m1 stop
09:14 - 22:15SEA-LTN
29h 01m2 stops
Fri, 30 Aug - Fri, 13 Sep
06:30 - 22:53LTN-SEA
24h 23m2 stops
07:00 - 18:20SEA-LTN
27h 20m2 stops
Fri, 12 Jul - Tue, 23 Jul
06:00 - 22:20LTN-SEA
24h 20m3 stops
18:55 - 21:00SEA-LTN
18h 05m2 stops
Mon, 22 Jul - Sat, 27 Jul

Flights from Luton to Seattle - Travel Insights & Trends

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

What is the cheapest month to fly from London Luton Airport to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Luton Airport 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 from London Luton Airport to Seattle is November, where tickets cost £445 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £708 and £675 respectively.

How far in advance should I book a flight from London Luton Airport to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London Luton Airport 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 on the flight from London Luton Airport to Seattle, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 80 days before departure.

Good to know - Cheap tickets from London Luton Airport to Seattle

Cheapest flight

£289
Flight from London Luton Airport to Seattle

When to book flights from Luton to Seattle

Are your dates flexible? Find out the best times to travel from Luton 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. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Luton Airport to Seattle flights

  • What is the cheapest flight from London Luton Airport to Seattle?

    In the last 3 days, the lowest price for a flight from London Luton Airport to Seattle was £370 for a one-way ticket and £922 for a return.

  • Which aircraft models fly most regularly from London Luton Airport to Seattle?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from London Luton Airport 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 from London Luton Airport to Seattle.

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

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

  • What is the Hacker Fare option on flights from London Luton Airport to Seattle?

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

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Luton Airport 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 from London Luton Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from London to Seattle

Cheapest flights to Seattle from London found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Seattle found on KAYAK in the last 72 hours.
20/6Thu
2 stops
47h 37mLTN-SEA
£289
28/8Wed
2 stops
19h 21mLTN-SEA
£306
20/6Thu
3 stops
56h 32mLTN-SEA
£316
15/7Mon
2 stops
19h 22mLTN-SEA
£350
17/6Mon
3 stops
55h 06mLTN-SEA
£351
21/6Fri
3 stops
33h 34mLTN-SEA
£357
18/6Tue
3 stops
34h 27mLTN-SEA
£367
17/6Mon
3 stops
34h 54mLTN-SEA
£371
18/6Tue
3 stops
34h 27mLTN-SEA
£375
14/6Fri
2 stops
45h 51mLTN-SEA
£382

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Last minute flights from Luton 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 from London to Seattle that are departing in the next 10 days.
7/6Fri
multi-stop
16h 50mLTN-SEA
18/6Tue
multi-stop
18h 35mSEA-LTN
£1,163

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London Luton Airport - Seattle Flights

Departure:

London Luton Airport (LTN)United Kingdom

Destination:

Seattle (SEA)United States

Cabin classes: