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

You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from London Luton Airport . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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 updated daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to London Luton Airport.

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

The required travel and health documents for your London Luton Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Luton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£253 Cheap Flights from Seattle to London Luton Airport in 2026/27

Find the cheapest flights from Seattle to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:35 - 13:55SEA Seattle/Tacoma Intl-LTN London Luton

15h 20m1 stop Reykjavik Keflavik Intl

07:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

18h 00m1 stop Reykjavik Keflavik Intl

£582Multiple Airlines

Fri, 27 Nov - Tue, 8 Dec

14:35 - 15:05SEA Seattle/Tacoma Intl-LTN London Luton

16h 30m1 stop Reykjavik Keflavik Intl

06:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

19h 00m1 stop Reykjavik Keflavik Intl

£583Multiple Airlines

Tue, 17 Nov - Sun, 22 Nov

14:35 - 13:55SEA Seattle/Tacoma Intl-LTN London Luton

15h 20m1 stop Reykjavik Keflavik Intl

06:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

19h 00m1 stop Reykjavik Keflavik Intl

£584Multiple Airlines

Fri, 27 Nov - Fri, 4 Dec

14:35 - 13:00SEA Seattle/Tacoma Intl-LTN London Luton

14h 25m1 stop Reykjavik Keflavik Intl

06:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

19h 00m1 stop Reykjavik Keflavik Intl

£585Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

17:40 - 20:10SEA Seattle/Tacoma Intl-LTN London Luton

18h 30m2 stops Frankfurt am Main Venice Marco Polo

20:50 - 16:00LTN London Luton-SEA Seattle/Tacoma Intl

27h 10m2 stops Venice Marco Polo Frankfurt am Main

£585Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

14:35 - 13:00SEA Seattle/Tacoma Intl-LTN London Luton

14h 25m1 stop Reykjavik Keflavik Intl

06:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

19h 00m1 stop Reykjavik Keflavik Intl

£586Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

14:35 - 13:55SEA Seattle/Tacoma Intl-LTN London Luton

15h 20m1 stop Reykjavik Keflavik Intl

07:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

18h 00m1 stop Reykjavik Keflavik Intl

£588Multiple Airlines

Fri, 27 Nov - Sat, 5 Dec

14:35 - 13:55SEA Seattle/Tacoma Intl-LTN London Luton

15h 20m1 stop Reykjavik Keflavik Intl

07:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

18h 00m1 stop Reykjavik Keflavik Intl

£589Multiple Airlines

Fri, 27 Nov - Sat, 5 Dec

14:35 - 13:55SEA Seattle/Tacoma Intl-LTN London Luton

15h 20m1 stop Reykjavik Keflavik Intl

07:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

18h 00m1 stop Reykjavik Keflavik Intl

£590Multiple Airlines

Fri, 27 Nov - Sat, 5 Dec

14:35 - 13:00SEA Seattle/Tacoma Intl-LTN London Luton

14h 25m1 stop Reykjavik Keflavik Intl

07:00 - 17:00LTN London Luton-SEA Seattle/Tacoma Intl

18h 00m1 stop Reykjavik Keflavik Intl

£591Multiple Airlines

Thu, 3 Dec - Sat, 12 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:40 - 21:40SEA Seattle/Tacoma Intl-LTN London Luton

22h 00m2 stops Reykjavik Keflavik Intl Dublin

09:40 - 17:55LTN London Luton-SEA Seattle/Tacoma Intl

16h 15m2 stops Dublin Reykjavik Keflavik Intl

£585Multiple Airlines

Sun, 4 Oct - Tue, 20 Oct

15:40 - 00:30SEA Seattle/Tacoma Intl-LTN London Luton

24h 50m2 stops Reykjavik Keflavik Intl Dublin

06:20 - 20:40LTN London Luton-SEA Seattle/Tacoma Intl

22h 20m2 stops Dublin Reykjavik Keflavik Intl

£620Multiple Airlines

Fri, 2 Oct - Fri, 9 Oct

19:00 - 18:30SEA Seattle/Tacoma Intl-LTN London Luton

15h 30m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol

06:00 - 17:55LTN London Luton-SEA Seattle/Tacoma Intl

19h 55m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl

£644Multiple Airlines

Thu, 1 Oct - Thu, 8 Oct

18:55 - 01:40SEA Seattle/Tacoma Intl-LTN London Luton

22h 45m2 stops Dublin Malaga

13:55 - 17:10LTN London Luton-SEA Seattle/Tacoma Intl

35h 15m2 stops Malaga Dublin

£663Multiple Airlines

Thu, 1 Oct - Sun, 4 Oct

17:40 - 19:15SEA Seattle/Tacoma Intl-LTN London Luton

17h 35m2 stops Frankfurt am Main Budapest Ferenc Liszt Intl

19:55 - 15:40LTN London Luton-SEA Seattle/Tacoma Intl

27h 45m2 stops Budapest Ferenc Liszt Intl Frankfurt am Main

£681Multiple Airlines

Sun, 4 Oct - Sat, 10 Oct

15:40 - 21:40SEA Seattle/Tacoma Intl-LTN London Luton

22h 00m2 stops Reykjavik Keflavik Intl Dublin

09:40 - 17:55LTN London Luton-SEA Seattle/Tacoma Intl

16h 15m2 stops Dublin Reykjavik Keflavik Intl

£684Multiple Airlines

Sun, 4 Oct - Tue, 20 Oct

19:10 - 15:25SEA Seattle/Tacoma Intl-LTN London Luton

12h 15m1 stop Dublin

09:40 - 10:35LTN London Luton-SEA Seattle/Tacoma Intl

32h 55m2 stops Dublin New York John F Kennedy Intl

£697Multiple Airlines

Sun, 4 Oct - Tue, 20 Oct

19:10 - 15:25SEA Seattle/Tacoma Intl-LTN London Luton

12h 15m1 stop Dublin

09:40 - 10:35LTN London Luton-SEA Seattle/Tacoma Intl

32h 55m2 stops Dublin New York John F Kennedy Intl

£701Multiple Airlines

Sun, 4 Oct - Tue, 20 Oct

15:40 - 15:45SEA Seattle/Tacoma Intl-LTN London Luton

16h 05m2 stops Reykjavik Keflavik Intl Dublin

08:15 - 17:55LTN London Luton-SEA Seattle/Tacoma Intl

17h 40m2 stops Dublin Reykjavik Keflavik Intl

£713Multiple Airlines

Mon, 5 Oct - Mon, 19 Oct

18:05 - 00:50SEA Seattle/Tacoma Intl-LTN London Luton

22h 45m2 stops Frankfurt am Main Barcelona-El Prat

05:40 - 15:40LTN London Luton-SEA Seattle/Tacoma Intl

18h 00m2 stops Barcelona-El Prat Frankfurt am Main

£726Multiple Airlines

Thu, 1 Oct - Wed, 14 Oct

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Use the filters below to find and compare flights from Seattle to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Fri 27/11

14:35-13:55

1 stop15h 20m

London Luton

Tue 8/12

07:00-17:00

1 stop18h 00m

£582

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Tue 17/11

14:35-15:05

1 stop16h 30m

London Luton

Sun 22/11

06:00-17:00

1 stop19h 00m

£583

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Fri 27/11

14:35-13:55

1 stop15h 20m

London Luton

Fri 4/12

06:00-17:00

1 stop19h 00m

£584

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Thu 12/11

14:35-13:00

1 stop14h 25m

London Luton

Thu 19/11

06:00-17:00

1 stop19h 00m

£585

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Wed 14/10

17:40-20:10

2 stops18h 30m

London Luton

Wed 21/10

20:50-16:00

2 stops27h 10m

£585

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Thu 12/11

14:35-13:00

1 stop14h 25m

London Luton

Thu 19/11

06:00-17:00

1 stop19h 00m

£586

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Fri 27/11

14:35-13:55

1 stop15h 20m

London Luton

Sat 5/12

07:00-17:00

1 stop18h 00m

£588

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Fri 27/11

14:35-13:55

1 stop15h 20m

London Luton

Sat 5/12

07:00-17:00

1 stop18h 00m

£588

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Fri 27/11

14:35-13:55

1 stop15h 20m

London Luton

Sat 5/12

07:00-17:00

1 stop18h 00m

£590

Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Thu 3/12

14:35-13:00

1 stop14h 25m

London Luton

Sat 12/12

07:00-17:00

1 stop18h 00m

£591

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 return 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	£253
Fastest flight time	14h 25m
Direct flights	None

The best one-way flight to London Luton Airport from Seattle in the past 72 hours is £253. The best return flight deal from Seattle to London Luton Airport found on momondo in the last 72 hours is £582.

The fastest flight from Seattle to London Luton Airport takes 14h 25m

There are no direct flights from Seattle to London Luton Airport. There are no popular flight routes from Seattle to London Luton Airport.

Search flight deals

Frequently asked questions about flying from Seattle to London Luton Airport

How far is Seattle/Tacoma Intl to London Luton by plane?
The distance between Seattle/Tacoma Intl and London Luton is about 4754.4 mi. In terms of flight time, this usually takes a little over 14h 25m.
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 updated daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to London Luton Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to London Luton Airport.
What documentation or ID do you need to fly to London Luton Airport?
The required travel and health documents for your London Luton Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Luton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Seattle to London Luton Airport

How do I get Price Alerts for flights from Seattle to London Luton Airport?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from London Luton Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Seattle to London Luton Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Colchester

Guildford

Harlow

Chelmsford

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?

Yes momondo offers price alerts on flights to London from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.