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

Prices for flights from London Luton Airport to Seattle/Tacoma Intl Airport refresh daily.

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£283 Cheap Flights from London Luton Airport to Seattle in 2025

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Find the cheapest flights from London Luton Airport to Seattle

Round-trip

One-way

Last minute

Cheap return flights

09:00 - 17:50LTN-SEA

16h 50m1 stop

19:35 - 21:25SEA-LTN

17h 50m1 stop

£481

Find Deal

Mon, 8 Sep - Mon, 22 Sep

09:00 - 17:50LTN-SEA

16h 50m1 stop

19:35 - 16:00SEA-LTN

12h 25m1 stop

£489

Find Deal

Mon, 15 Sep - Mon, 22 Sep

10:00 - 17:50LTN-SEA

15h 50m1 stop

19:35 - 15:40SEA-LTN

12h 05m1 stop

£502

Find Deal

Wed, 17 Sep - Sun, 21 Sep

09:00 - 17:50LTN-SEA

16h 50m1 stop

19:35 - 22:10SEA-LTN

18h 35m1 stop

£509

Find Deal

Mon, 8 Sep - Tue, 23 Sep

09:55 - 17:50LTN-SEA

15h 55m1 stop

19:35 - 19:25SEA-LTN

15h 50m1 stop

£528

Find Deal

Sun, 14 Sep - Sun, 21 Sep

09:55 - 17:50LTN-SEA

15h 55m1 stop

19:35 - 19:25SEA-LTN

15h 50m1 stop

£558

Find Deal

Sun, 14 Sep - Sun, 21 Sep

10:45 - 17:50LTN-SEA

15h 05m2 stops

15:45 - 13:45SEA-LTN

14h 00m2 stops

£582

Find Deal

Sat, 13 Sep - Sat, 20 Sep

11:30 - 17:50LTN-SEA

14h 20m1 stop

19:35 - 22:30SEA-LTN

18h 55m1 stop

£591

Find Deal

Fri, 12 Sep - Sat, 20 Sep

08:40 - 20:40LTN-SEA

20h 00m2 stops

15:45 - 16:05SEA-LTN

16h 20m2 stops

£596

Find Deal

Sat, 30 Aug - Sat, 6 Sep

07:10 - 17:50LTN-SEA

18h 40m2 stops

15:45 - 19:20SEA-LTN

19h 35m2 stops

£642

Find Deal

Sun, 14 Sep - Tue, 30 Sep

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 8/9

09:00-17:50

1 stop16h 50m

Seattle/Tacoma Intl

Mon 22/9

19:35-21:25

1 stop17h 50m

£481

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 15/9

09:00-17:50

1 stop16h 50m

Seattle/Tacoma Intl

Mon 22/9

19:35-16:00

1 stop12h 25m

£489

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 17/9

10:00-17:50

1 stop15h 50m

Seattle/Tacoma Intl

Sun 21/9

19:35-15:40

1 stop12h 05m

£502

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 8/9

09:00-17:50

1 stop16h 50m

Seattle/Tacoma Intl

Tue 23/9

19:35-22:10

1 stop18h 35m

£509

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 14/9

09:55-17:50

1 stop15h 55m

Seattle/Tacoma Intl

Sun 21/9

19:35-19:25

1 stop15h 50m

£528

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 14/9

09:55-17:50

1 stop15h 55m

Seattle/Tacoma Intl

Sun 21/9

19:35-19:25

1 stop15h 50m

£558

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sat 13/9

10:45-17:50

2 stops15h 05m

Seattle/Tacoma Intl

Sat 20/9

15:45-13:45

2 stops14h 00m

£582

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Fri 12/9

11:30-17:50

1 stop14h 20m

Seattle/Tacoma Intl

Sat 20/9

19:35-22:30

1 stop18h 55m

£591

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sat 30/8

08:40-20:40

2 stops20h 00m

Seattle/Tacoma Intl

Sat 6/9

15:45-16:05

2 stops16h 20m

£596

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 14/9

07:10-17:50

2 stops18h 40m

Seattle/Tacoma Intl

Tue 30/9

15:45-19:20

2 stops19h 35m

£642

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Luton Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Seattle?

According to our data, Tuesday is the cheapest day to fly to Seattle from London Luton Airport. The lowest ticket price found for a Tuesday departure recently was £604. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Sunday is £727.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the evening. momondo users have found flights departing from London Luton Airport to Seattle in the evening for as low as £533. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive, with an average ticket price of £645.

When to book flights from London Luton Airport to Seattle

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

Estimated return price

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

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

Best price found	£283
Fastest flight time	13h 00m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from London Luton Airport in the past 72 hours is £283. The best return flight deal from London Luton Airport to Seattle found on momondo in the last 72 hours is £481.

The fastest flight from London Luton Airport to Seattle takes 13h 00m

There are no direct flights from London Luton Airport to Seattle. Popular non-direct route for this connection is London Luton Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is London Luton to Seattle/Tacoma Intl by plane?
There are 4754.4 mi between London Luton and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 13h 00m.
When did momondo last update prices for flights from London Luton Airport to Seattle/Tacoma Intl Airport?
Prices for flights from London Luton Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from London Luton Airport to Seattle/Tacoma Intl 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 London Luton Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Kent

SeaTac

Fife

Tukwila

Renton

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Seattle . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Seattle from London with this policy.

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

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 London to Seattle.

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

If you are not ready to book a flight from London to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.