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.

£279 Cheap Flights from Seattle to London Luton Airport in 2025/26

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14:35 - 17:05SEA-LTN

18h 30m2 stops

06:50 - 17:00LTN-SEA

18h 10m2 stops

£397Multiple Airlines

Find Deal

Wed, 12 Nov - Wed, 19 Nov

14:35 - 18:15SEA-LTN

19h 40m2 stops

06:00 - 17:00LTN-SEA

19h 00m2 stops

£408Multiple Airlines

Find Deal

Sat, 31 Jan - Sat, 7 Feb

05:50 - 23:00SEA-LTN

33h 10m3 stops

17:00 - 12:10LTN-SEA

27h 10m2 stops

£423Multiple Airlines

Find Deal

Thu, 27 Nov - Wed, 3 Dec

14:35 - 13:20SEA-LTN

14h 45m2 stops

09:00 - 17:00LTN-SEA

16h 00m2 stops

£437Multiple Airlines

Find Deal

Thu, 13 Nov - Thu, 27 Nov

14:35 - 13:20SEA-LTN

14h 45m2 stops

09:00 - 17:00LTN-SEA

16h 00m2 stops

£439Multiple Airlines

Find Deal

Thu, 13 Nov - Thu, 27 Nov

10:05 - 23:05SEA-LTN

29h 00m3 stops

17:10 - 12:10LTN-SEA

27h 00m2 stops

£442Multiple Airlines

Find Deal

Wed, 12 Nov - Wed, 19 Nov

20:05 - 20:10SEA-LTN

16h 05m1 stop

06:50 - 18:20LTN-SEA

19h 30m1 stop

£449Multiple Airlines

Find Deal

Fri, 28 Nov - Wed, 3 Dec

14:35 - 17:05SEA-LTN

18h 30m2 stops

06:50 - 17:00LTN-SEA

18h 10m2 stops

£450Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

15:10 - 20:10SEA-LTN

21h 00m2 stops

05:50 - 22:16LTN-SEA

24h 26m2 stops

£455Multiple Airlines

Find Deal

Fri, 28 Nov - Fri, 5 Dec

08:10 - 15:25SEA-LTN

23h 15m2 stops

05:50 - 19:16LTN-SEA

21h 26m3 stops

£455Multiple Airlines

Find Deal

Fri, 28 Nov - Fri, 5 Dec

momondo Fare Finder

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

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 12/11

14:35-17:05

2 stops18h 30m

London Luton

Wed 19/11

06:50-17:00

2 stops18h 10m

£397

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sat 31/1

14:35-18:15

2 stops19h 40m

London Luton

Sat 7/2

06:00-17:00

2 stops19h 00m

£408

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 27/11

05:50-23:00

3 stops33h 10m

London Luton

Wed 3/12

17:00-12:10

2 stops27h 10m

£423

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 13/11

14:35-13:20

2 stops14h 45m

London Luton

Thu 27/11

09:00-17:00

2 stops16h 00m

£437

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 13/11

14:35-13:20

2 stops14h 45m

London Luton

Thu 27/11

09:00-17:00

2 stops16h 00m

£439

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 12/11

10:05-23:05

3 stops29h 00m

London Luton

Wed 19/11

17:10-12:10

2 stops27h 00m

£442

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 28/11

20:05-20:10

1 stop16h 05m

London Luton

Wed 3/12

06:50-18:20

1 stop19h 30m

£449

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 3/12

14:35-17:05

2 stops18h 30m

London Luton

Wed 10/12

06:50-17:00

2 stops18h 10m

£450

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 28/11

15:10-20:10

2 stops21h 00m

London Luton

Fri 5/12

05:50-22:16

2 stops24h 26m

£455

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 28/11

08:10-15:25

2 stops23h 15m

London Luton

Fri 5/12

05:50-19:16

3 stops21h 26m

£455

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

Direct flights	None

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

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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 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 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.

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

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Dover

Hayes

Chelmsford

Worthing

Dartford

Ramsgate

Bedford

Stansted

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.