Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to London Gatwick Airport from C$ 341

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 Gatwick Airport departing on 20/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your results
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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.
3:45 p.m. - 11:45 a.m.SEA-LGW
12h 00m1 stop
3:40 p.m. - 8:40 p.m.LGW-SEA
13h 00m1 stop
C$ 723Icelandair
Find Deal
Sun, 30 Mar - Wed, 16 Apr
7:00 p.m. - 2:40 p.m.SEA-LGW
11h 40m1 stop
3:40 p.m. - 8:40 p.m.LGW-SEA
13h 00m1 stop
C$ 742Icelandair
Find Deal
Sun, 4 May - Tue, 13 May
7:00 p.m. - 2:40 p.m.SEA-LGW
11h 40m1 stop
3:40 p.m. - 8:40 p.m.LGW-SEA
13h 00m1 stop
C$ 799Icelandair
Find Deal
Mon, 5 May - Mon, 19 May
5:10 p.m. - 10:35 a.m.SEA-LGW
33h 25m1 stop
12:00 p.m. - 12:25 a.m.LGW-SEA
20h 25m1 stop
C$ 842
Find Deal
Mon, 10 Feb - Tue, 18 Feb
9:45 a.m. - 10:35 a.m.SEA-LGW
16h 50m1 stop
12:00 p.m. - 12:19 a.m.LGW-SEA
20h 19m1 stop
C$ 949
Find Deal
Tue, 4 Feb - Tue, 11 Feb
3:25 p.m. - 5:50 p.m.SEA-LGW
18h 25m2 stops
6:45 p.m. - 10:42 p.m.LGW-SEA
35h 57m2 stops
C$ 957SWISS
Find Deal
Tue, 11 Feb - Mon, 17 Feb
2:50 p.m. - 5:50 p.m.SEA-LGW
20h 00m2 stops
6:35 p.m. - 10:53 p.m.LGW-SEA
36h 18m2 stops
C$ 962SWISS
Find Deal
Tue, 18 Mar - Tue, 22 Apr
8:00 p.m. - 4:00 p.m.SEA-LGW
37h 00m1 stop
6:00 a.m. - 6:05 p.m.LGW-SEA
19h 05m1 stop
C$ 1,035Turkish Airlines
Find Deal
Mon, 17 Mar - Wed, 26 Mar
7:00 p.m. - 4:00 p.m.SEA-LGW
37h 00m1 stop
6:00 a.m. - 5:05 p.m.LGW-SEA
19h 05m1 stop
C$ 1,062Turkish Airlines
Find Deal
Mon, 27 Jan - Thu, 13 Feb
11:00 a.m. - 9:35 a.m.SEA-LGW
14h 35m1 stop
12:10 p.m. - 10:09 p.m.LGW-SEA
17h 59m1 stop
C$ 1,315JetBlue
Find Deal
Wed, 28 May - Wed, 4 Jun
5:15 a.m. - 10:35 a.m.SEA-LGW
21h 20m1 stop
C$ 341
Find Deal
Thu, 20 Feb
9:45 a.m. - 10:35 a.m.SEA-LGW
16h 50m1 stop
C$ 342
Find Deal
Tue, 11 Feb
7:10 a.m. - 10:35 a.m.SEA-LGW
19h 25m1 stop
C$ 344
Find Deal
Sun, 2 Feb
2:35 p.m. - 10:55 a.m.SEA-LGW
12h 20m1 stop
C$ 417Icelandair
Find Deal
Sun, 23 Feb
2:35 p.m. - 10:55 a.m.SEA-LGW
12h 20m1 stop
C$ 517Icelandair
Find Deal
Wed, 29 Jan
12:50 p.m. - 5:50 p.m.SEA-LGW
21h 00m2 stops
C$ 634SWISS
Find Deal
Sun, 26 Jan
12:50 p.m. - 5:50 p.m.SEA-LGW
21h 00m2 stops
C$ 648SWISS
Find Deal
Wed, 29 Jan
7:05 a.m. - 9:15 a.m.SEA-LGW
18h 10m2 stops
C$ 749WestJet
Find Deal
Mon, 9 Jun
11:00 a.m. - 9:35 a.m.SEA-LGW
14h 35m1 stop
C$ 767JetBlue
Find Deal
Tue, 10 Jun
2:05 p.m. - 9:15 a.m.SEA-LGW
35h 10m2 stops
C$ 815WestJet
Find Deal
Sun, 8 Jun
7:00 p.m. - 4:00 p.m.SEA-LGW
37h 00m1 stop
10:15 a.m. - 4:16 p.m.LGW-SEA
38h 01m2 stops
C$ 1,207Turkish Airlines
Find Deal
Tue, 21 Jan - Tue, 4 Feb
7:00 p.m. - 4:00 p.m.SEA-LGW
37h 00m1 stop
5:55 a.m. - 5:05 p.m.LGW-SEA
19h 10m1 stop
C$ 1,235Turkish Airlines
Find Deal
Sat, 18 Jan - Sat, 25 Jan
3:25 p.m. - 5:50 p.m.SEA-LGW
18h 25m2 stops
6:45 p.m. - 10:53 p.m.LGW-SEA
36h 08m2 stops
C$ 1,571SWISS
Find Deal
Sat, 18 Jan - Sat, 25 Jan
12:50 p.m. - 5:50 p.m.SEA-LGW
21h 00m2 stops
6:45 p.m. - 10:53 p.m.LGW-SEA
36h 08m2 stops
C$ 1,998SWISS
Find Deal
Mon, 20 Jan - Mon, 27 Jan
3:20 p.m. - 9:50 a.m.SEA-LGW
34h 30m2 stops
10:40 a.m. - 11:16 a.m.LGW-SEA
32h 36m3 stops
C$ 2,094
Find Deal
Tue, 21 Jan - Tue, 4 Feb
3:20 p.m. - 9:50 a.m.SEA-LGW
34h 30m2 stops
10:40 a.m. - 11:16 a.m.LGW-SEA
32h 36m3 stops
C$ 2,153
Find Deal
Fri, 17 Jan - Wed, 22 Jan
3:20 p.m. - 9:50 a.m.SEA-LGW
34h 30m2 stops
4:35 p.m. - 10:00 p.m.LGW-SEA
37h 25m2 stops
C$ 2,337
Find Deal
Fri, 17 Jan - Wed, 22 Jan
3:20 p.m. - 9:50 a.m.SEA-LGW
34h 30m2 stops
10:40 a.m. - 11:16 a.m.LGW-SEA
32h 36m3 stops
C$ 2,394
Find Deal
Mon, 20 Jan - Mon, 27 Jan

Icelandair flights from Seattle to London Gatwick Airport

Our best Icelandair deals on Seattle to London Gatwick Airport flight tickets
Icelandair
26 Jan
SEA2:35 p.m.Seattle/Tacoma Intl
12h 20m
1 stop
LGW10:55 a.m.London Gatwick
1 Feb
LGW11:55 a.m.London Gatwick
13h 05m
1 stop
SEA5:00 p.m.Seattle/Tacoma Intl
Icelandair
30 Mar
SEA3:45 p.m.Seattle/Tacoma Intl
12h 00m
1 stop
LGW11:45 a.m.London Gatwick
16 Apr
LGW3:40 p.m.London Gatwick
13h 00m
1 stop
SEA8:40 p.m.Seattle/Tacoma Intl
Icelandair
4 May
SEA7:00 p.m.Seattle/Tacoma Intl
11h 40m
1 stop
LGW2:40 p.m.London Gatwick
12 May
LGW3:40 p.m.London Gatwick
13h 00m
1 stop
SEA8:40 p.m.Seattle/Tacoma Intl

TAP AIR PORTUGAL flights from Seattle to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Seattle to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
23 Feb
SEA11:48 p.m.Seattle/Tacoma Intl
31h 57m
2 stops
LGW3:45 p.m.London Gatwick
26 Feb
LGW10:40 a.m.London Gatwick
43h 37m
3 stops
SEA10:17 p.m.Seattle/Tacoma Intl
C$ 1,702
Find similar
TAP AIR PORTUGAL
7 Apr
SEA10:40 p.m.Seattle/Tacoma Intl
27h 05m
2 stops
LGW9:45 a.m.London Gatwick
24 Apr
LGW10:35 a.m.London Gatwick
43h 51m
3 stops
SEA10:26 p.m.Seattle/Tacoma Intl
C$ 1,720
Find similar
TAP AIR PORTUGAL
27 Jan
SEA7:08 a.m.Seattle/Tacoma Intl
18h 42m
2 stops
LGW9:50 a.m.London Gatwick
28 Jan
LGW4:35 p.m.London Gatwick
37h 25m
2 stops
SEA10:00 p.m.Seattle/Tacoma Intl
C$ 1,845
Find similar

See travel insights to London from

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

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 month to fly to London Gatwick Airport?

If you are unable to visit London Gatwick Airport during the month of January, then departing from Seattle during the month April is also very affordable. Most momondo users find prices during this month for around C$ 861.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart on your flight to London Gatwick Airport is on a Monday when prices can be found for as low as C$ 0. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,270.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Our most recent data shows that the best time of day to fly to London Gatwick Airport is in the morning. Flights from Seattle to London Gatwick Airport during this time can be as low as C$ 0. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 891 on average. Flights to London Gatwick Airport from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Seattle to London Gatwick Airport

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

Cheap Seattle to London Gatwick Airport (SEA to LGW) flight deals and tips

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

Best price found

C$ 341

Fastest flight time

11h 40m

Direct flights

None
The best one-way flight to London Gatwick Airport from Seattle in the past 72 hours is C$ 341. The best round-trip flight deal from Seattle to London Gatwick Airport found on momondo in the last 72 hours is C$ 723.
The fastest flight from Seattle to London Gatwick Airport takes 11h 40m
There are no direct flights from Seattle to London Gatwick Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - London Gatwick Airport.

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

    Seattle/Tacoma Intl and London Gatwick are 7722.7 km apart from one another. A reasonable flight in good conditions will take 11h 40m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to London Gatwick Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to London Gatwick Airport?

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

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

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

  • What is the most popular airline from Seattle to London Gatwick Airport?


Best airlines flying from Seattle to London Gatwick Airport

Compare and see reviews for airlines that fly from Seattle to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom C$ 634Free CancellationRating
7.1
501 reviews
Search Icelandair flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Ipswich
Hounslow
Dartford
Crawley
Richmond
Ilford
Canterbury
Hayes
Newport
Slough
Maidstone
Chichester
Wokingham
Dover
Worthing
Croydon
Feltham
Wembley
Staines-upon-Thames

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to London for you.

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

All flight searches from Seattle to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Seattle and alert you when they change.


An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 21/1
Tue 28/1
Email me momondo's favourite deals

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo