Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to London from $329

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:35 pm - 4:55 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
18h 20m2 stops Reykjavik Keflavik Intl Oslo Gardermoen
Multiple Airlines Logo
7:30 pm - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
29h 30m3 stops Kastrup Copenhagen Oslo Gardermoen Reykjavik Keflavik Intl
$708Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Condor Logo
5:45 pm - 2:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
13h 00m1 stop Frankfurt am Main
Condor Logo
10:00 am - 3:45 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 45m1 stop Frankfurt am Main
$713Condor
Fri, Apr 16 - Sun, Apr 25
Multiple Airlines Logo
10:10 am - 7:25 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
25h 15m2 stops Vancouver Intl Frankfurt am Main
Multiple Airlines Logo
8:15 pm - 12:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
23h 45m1 stop Frankfurt am Main
$725Multiple Airlines
Fri, Jan 22 - Fri, Jan 29
Icelandair Logo
7:00 pm - 2:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 pm - 8:40 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
$727Icelandair
Sat, Apr 17 - Sat, Apr 24
Condor Logo
5:45 pm - 7:10 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
17h 25m1 stop Frankfurt am Main
Condor Logo
10:00 am - 3:45 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 45m1 stop Frankfurt am Main
$728Condor
Wed, Apr 14 - Tue, Apr 27
Condor Logo
5:45 pm - 2:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
13h 00m1 stop Frankfurt am Main
Condor Logo
10:00 am - 3:45 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 45m1 stop Frankfurt am Main
$728Condor
Mon, Apr 12 - Mon, Apr 19
Icelandair Logo
7:00 pm - 2:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 pm - 5:55 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
34h 15m1 stop Reykjavik Keflavik Intl
$729Icelandair
Sun, Mar 28 - Sun, Apr 11
Icelandair Logo
7:00 pm - 2:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 pm - 5:55 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
34h 15m1 stop Reykjavik Keflavik Intl
$729Icelandair
Sun, Mar 28 - Mon, Apr 12
Multiple Airlines Logo
2:35 pm - 7:30 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
20h 55m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Stockholm Arlanda
Multiple Airlines Logo
7:30 pm - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
29h 30m3 stops Kastrup Copenhagen Oslo Gardermoen Reykjavik Keflavik Intl
$736Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
7:45 am - 9:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
30h 00m2 stops Toronto Pearson Intl Kastrup Copenhagen
Multiple Airlines Logo
7:30 pm - 1:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
25h 30m2 stops Kastrup Copenhagen Munich Franz Josef Strauss
$737Multiple Airlines
Thu, Dec 3 - Thu, Dec 10

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? 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.
Search flight deals

Condor flights from Seattle to London Gatwick Airport

Our best Condor deals on Seattle to London Gatwick Airport flight tickets
Condor
Apr 16
SEA5:45 pmSeattle/Tacoma Intl
13h 00m
1 stop
LGW2:45 pmLondon Gatwick
Apr 25
LGW10:00 amLondon Gatwick
13h 45m
1 stop
SEA3:45 pmSeattle/Tacoma Intl
$713
Condor
Apr 12
SEA5:45 pmSeattle/Tacoma Intl
13h 00m
1 stop
LGW2:45 pmLondon Gatwick
Apr 19
LGW10:00 amLondon Gatwick
13h 45m
1 stop
SEA3:45 pmSeattle/Tacoma Intl
$728
Condor
Feb 14
SEA3:00 pmSeattle/Tacoma Intl
16h 00m
1 stop
LGW3:00 pmLondon Gatwick
Feb 22
LGW10:25 amLondon Gatwick
13h 30m
1 stop
SEA3:55 pmSeattle/Tacoma Intl
$732

Icelandair flights from Seattle to London Gatwick Airport

Our best Icelandair deals on Seattle to London Gatwick Airport flight tickets
Icelandair
Apr 17
SEA7:00 pmSeattle/Tacoma Intl
11h 40m
1 stop
LGW2:40 pmLondon Gatwick
Apr 24
LGW3:40 pmLondon Gatwick
13h 00m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$727
Icelandair
Mar 28
SEA7:00 pmSeattle/Tacoma Intl
11h 40m
1 stop
LGW2:40 pmLondon Gatwick
Apr 11
LGW3:40 pmLondon Gatwick
34h 15m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$729
Icelandair
Mar 30
SEA7:00 pmSeattle/Tacoma Intl
11h 40m
1 stop
LGW2:40 pmLondon Gatwick
Apr 14
LGW3:40 pmLondon Gatwick
13h 00m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$735

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 12/2

2:35 pm-4:55 pm

2 stops18h 20m

London Gatwick

Wed 12/9

7:30 pm-5:00 pm

3 stops29h 30m

$708

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 4/16

5:45 pm-2:45 pm

1 stop13h 00m

London Gatwick

Sun 4/25

10:00 am-3:45 pm

1 stop13h 45m

$713

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 1/22

10:10 am-7:25 pm

2 stops25h 15m

London Gatwick

Fri 1/29

8:15 pm-12:00 pm

1 stop23h 45m

$725
Quickest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 4/17

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Sat 4/24

3:40 pm-8:40 pm

1 stop13h 00m

$727

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 4/14

5:45 pm-7:10 pm

1 stop17h 25m

London Gatwick

Tue 4/27

10:00 am-3:45 pm

1 stop13h 45m

$728

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 4/12

5:45 pm-2:45 pm

1 stop13h 00m

London Gatwick

Mon 4/19

10:00 am-3:45 pm

1 stop13h 45m

$728

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sun 3/28

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Sun 4/11

3:40 pm-5:55 pm

1 stop34h 15m

$729

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sun 3/28

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Mon 4/12

3:40 pm-5:55 pm

1 stop34h 15m

$729

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 12/2

2:35 pm-7:30 pm

3 stops20h 55m

London Gatwick

Wed 12/9

7:30 pm-5:00 pm

3 stops29h 30m

$736

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 12/3

7:45 am-9:45 pm

2 stops30h 00m

London Gatwick

Thu 12/10

7:30 pm-1:00 pm

2 stops25h 30m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

In general, December is the cheapest month to fly from Seattle to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit London Gatwick Airport during the month of December, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on Seattle to London Gatwick Airport flights?

You could potentially save up to 29% on your flight if you consider stops on a Seattle to London Gatwick Airport flight.

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

$329

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 $329. The best round-trip flight deal from Seattle to London Gatwick Airport found on momondo in the last 72 hours is $708.
The fastest flight from Seattle to London Gatwick Airport takes 11h 40m
There are no direct flights from Seattle to London Gatwick Airport. There are no popular flight routes from Seattle to London Gatwick Airport.
Search flight deals

Frequently asked questions about flying from Seattle to London Gatwick Airport

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

    Seattle/Tacoma Intl and London Gatwick are 4798.7 mi apart from one another. In terms of flight time, this usually takes a little over 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 refreshed on a daily basis.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 $492Free CancellationRating
6.9
767 reviews
Search Icelandair flights
CondorPriceFrom $682Free CancellationRating
6.7
625 reviews
Search Condor flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Hayes
Milton Keynes
Luton
Stansted
Kingston upon Thames
Watford
Richmond
Dover
Wembley
Crawley
Worthing
Harrow
Brentford
Canterbury
Hook
Dunstable
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 enables you to select and highlight flights to London from Seattle with this policy.

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

Once you have performed a search for Seattle to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to London from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/5
Sat 12/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Flights to London Heathrow Airportfrom $477
Flights to London Stansted Airportfrom $450
Flights to London City Airportfrom $494
Flights to London Luton Airportfrom $473
Flights to Glasgow Intl Airportfrom $550
Flights to Belfast City Airportfrom $659
Flights to Belfast Intl Airportfrom $660
Flights to London Southend Airportfrom $611