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Cheap flights from Seattle to London Luton Airport from $275

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to London Luton Airport departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to London.

Cheap last minute flights

Planning a quick getaway from Seattle to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to London

Find recent round-trip train or bus tickets from Seattle to London.

All round-trip flight deals from Seattle to London

The cheapest plane tickets from Seattle to London found on KAYAK recently.
6:45 pm - 10:10 pmSEA-LTN
19h 25m1 stop
10:00 am - 4:59 pmLTN-SEA
14h 59m1 stop
Tue, Apr 1 - Tue, Apr 8
2:35 pm - 7:30 pmSEA-LTN
20h 55m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
2:35 pm - 7:30 pmSEA-LTN
20h 55m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
2:35 pm - 9:15 pmSEA-LTN
22h 40m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
2:35 pm - 9:15 pmSEA-LTN
22h 40m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
2:35 pm - 9:15 pmSEA-LTN
22h 40m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
2:35 pm - 9:15 pmSEA-LTN
22h 40m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
2:35 pm - 9:15 pmSEA-LTN
22h 40m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
2:35 pm - 9:15 pmSEA-LTN
22h 40m2 stops
6:35 am - 6:00 pmLTN-SEA
18h 25m2 stops
Tue, Mar 4 - Wed, Mar 12
8:00 pm - 6:50 pmSEA-LTN
14h 50m1 stop
5:50 am - 7:15 pmLTN-SEA
20h 25m1 stop
Fri, Mar 7 - Fri, Mar 14
11:48 am - 2:55 pmSEA-LTN
44h 07m3 stops
Tue, Mar 11
1:58 pm - 10:25 pmSEA-LTN
24h 27m2 stops
Tue, Jan 28
3:15 pm - 10:10 pmSEA-LTN
46h 55m3 stops
Tue, Jan 28
11:23 am - 5:50 pmSEA-LTN
46h 27m3 stops
Mon, Mar 3
1:58 pm - 2:45 pmSEA-LTN
40h 47m3 stops
Wed, Feb 5
5:55 pm - 10:55 pmSEA-LTN
45h 00m3 stops
Wed, Jan 29
2:35 pm - 7:40 amSEA-LTN
33h 05m3 stops
Mon, Feb 17
2:35 pm - 7:40 amSEA-LTN
33h 05m3 stops
Mon, Feb 17
2:35 pm - 7:15 pmSEA-LTN
20h 40m3 stops
Mon, Feb 17
3:02 pm - 10:25 pmSEA-LTN
24h 23m2 stops
Tue, Mar 11
2:35 pm - 5:55 pmSEA-LTN
19h 20m2 stops
6:20 am - 5:00 pmLTN-SEA
18h 40m2 stops
$1,145
Find Deal
Sat, Jan 25 - Sat, Feb 1
2:35 pm - 5:55 pmSEA-LTN
19h 20m2 stops
6:20 am - 5:00 pmLTN-SEA
18h 40m2 stops
$1,169
Find Deal
Sat, Jan 25 - Sat, Feb 1
2:35 pm - 3:30 pmSEA-LTN
16h 55m2 stops
7:00 am - 10:52 pmLTN-SEA
23h 52m2 stops
$1,237
Find Deal
Fri, Jan 24 - Sun, Jan 26
2:35 pm - 3:30 pmSEA-LTN
16h 55m2 stops
7:15 am - 5:00 pmLTN-SEA
17h 45m1 stop
$1,283
Find Deal
Fri, Jan 24 - Fri, Jan 31
2:35 pm - 2:10 pmSEA-LTN
15h 35m1 stop
7:00 am - 5:00 pmLTN-SEA
18h 00m1 stop
$1,310
Find Deal
Thu, Jan 23 - Tue, Jan 28
2:35 pm - 1:30 pmSEA-LTN
14h 55m1 stop
7:00 am - 5:00 pmLTN-SEA
18h 00m1 stop
$1,399
Find Deal
Wed, Jan 22 - Tue, Jan 28
2:35 pm - 2:10 pmSEA-LTN
15h 35m1 stop
7:15 am - 5:00 pmLTN-SEA
17h 45m1 stop
$1,423
Find Deal
Thu, Jan 23 - Fri, Jan 31
2:35 pm - 2:10 pmSEA-LTN
15h 35m1 stop
6:30 am - 5:00 pmLTN-SEA
18h 30m1 stop
$1,436
Find Deal
Thu, Jan 23 - Thu, Jan 30
2:35 pm - 1:30 pmSEA-LTN
14h 55m1 stop
6:50 am - 5:00 pmLTN-SEA
18h 10m2 stops
$1,437
Find Deal
Wed, Jan 22 - Wed, Jan 29
2:35 pm - 1:30 pmSEA-LTN
14h 55m1 stop
9:00 am - 5:00 pmLTN-SEA
16h 00m2 stops
$1,438
Find Deal
Wed, Jan 22 - Tue, Jan 28

When to book flights from Seattle to London Luton Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to London Luton Airport (SEA to LTN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to London Luton Airport

Best Price Found

$275

Fastest flight time

12h 45m

Direct flights

None
The best one-way flight to London Luton Airport from Seattle in the past 72 hours is $275. The best round-trip flight deal from Seattle to London Luton Airport found on momondo in the last 72 hours is $620.
The fastest flight from Seattle to London Luton Airport takes 12h 45m
There are no direct flights from Seattle to London Luton Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - London Luton Airport.

  • How far is Seattle/Tacoma Intl to London Luton by plane?

    There are 4754.4 mi between Seattle/Tacoma Intl and London Luton. By plane, this route typically takes 12h 45m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to London Luton Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to London Luton Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to London Luton Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to London Luton Airport.

  • What documentation or ID do you need to fly to London Luton Airport?

    The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


  • How do I get Price Alerts for flights from Seattle to London Luton Airport?

    Confirm your travel details to search for the latest offers for flights from Seattle to London Luton Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to London Luton Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Slough
Luton
Ipswich
Hayes
Stansted
Ilford
Guildford
Canterbury
Horley
Dover
Milton Keynes
Dartford
Colchester
Wembley
Worthing
Chelmsford
Eastbourne

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to London?

It is quick and easy to find Seattle to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Seattle to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to London.

I’m not ready to book a flight from Seattle to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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