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LTN - SEA

$297 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 6/4. 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
Tue 6/4
Tue 6/11

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 travelers have searched 43,369,418 times on KAYAK, and here is 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
7:00 am - 8:20 pmLTN-SEA
21h 20m2 stops
7:00 am - 4:55 pmSEA-LTN
25h 55m2 stops
Sun, May 19 - Mon, May 27
6:00 am - 8:45 amLTN-SEA
34h 45m3 stops
6:55 pm - 10:05 pmSEA-LTN
19h 10m2 stops
Mon, Sep 9 - Mon, Sep 23
6:00 am - 8:45 amLTN-SEA
34h 45m3 stops
6:55 pm - 10:05 pmSEA-LTN
19h 10m2 stops
Mon, Sep 9 - Mon, Sep 23
6:00 am - 12:56 pmLTN-SEA
14h 56m2 stops
6:55 pm - 10:05 pmSEA-LTN
19h 10m2 stops
Mon, Sep 9 - Mon, Sep 23
6:00 am - 12:56 pmLTN-SEA
14h 56m2 stops
6:55 pm - 10:05 pmSEA-LTN
19h 10m2 stops
Mon, Sep 9 - Mon, Sep 23
6:00 am - 12:56 pmLTN-SEA
14h 56m2 stops
3:50 pm - 10:05 pmSEA-LTN
22h 15m2 stops
Mon, Sep 16 - Mon, Sep 23
6:05 am - 12:45 pmLTN-SEA
38h 40m3 stops
6:55 pm - 10:05 pmSEA-LTN
19h 10m2 stops
Sun, Sep 8 - Sun, Sep 22
6:00 am - 12:56 pmLTN-SEA
14h 56m2 stops
7:00 am - 9:00 pmSEA-LTN
30h 00m2 stops
Mon, Jun 3 - Mon, Jun 10
6:00 am - 8:45 amLTN-SEA
34h 45m3 stops
7:00 am - 9:00 pmSEA-LTN
30h 00m2 stops
Mon, Jun 3 - Mon, Jun 10
9:00 am - 8:21 pmLTN-SEA
43h 21m3 stops
6:55 pm - 10:05 pmSEA-LTN
19h 10m2 stops
Mon, Sep 2 - Mon, Sep 16

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 $567 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is $907 and $856 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 43 days before departure.

Good to know

Cheapest flight

$297
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 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 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 $297 for a one-way ticket and $633 for a round-trip.

  • Do I need a passport to fly between London Luton Airport and Seattle?

    Yes, you'll most likely have to show a valid passport before boarding the plane in London Luton Airport and on arrival in Seattle.

  • 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 travelers 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 round-trip ticket. You could then fly to Seattle with an airline and back to London Luton Airport with another airline. Booking your flights between London Luton Airport and SEA can sometimes prove cheaper using this method.

  • 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

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.
6/4Tue
2 stops
36h 59mLTN-SEA
$297
6/4Tue
2 stops
45h 57mLTN-SEA
$299
5/30Thu
3 stops
50h 28mLTN-SEA
$303
8/25Sun
3 stops
45h 35mLTN-SEA
$313
5/19Sun
2 stops
21h 20mLTN-SEA
$324
5/30Thu
3 stops
46h 24mLTN-SEA
$332
5/17Fri
2 stops
38h 26mLTN-SEA
$335
6/1Sat
3 stops
46h 00mLTN-SEA
$372
5/13Mon
3 stops
31h 15mLTN-SEA
$378
5/21Tue
2 stops
56h 05mLTN-SEA
$386

Search by stops

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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.
5/5Sun
multi-stop
15h 05mLTN-SEA
5/8Wed
multi-stop
24h 45mSEA-LTN
$1,624
5/5Sun
multi-stop
15h 05mLTN-SEA
5/8Wed
multi-stop
20h 55mSEA-LTN
$1,709

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London Luton Airport - Seattle Flights

Departure:

London Luton Airport (LTN)United Kingdom

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - London Luton Airport

Cabin classes: