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Cheap flights from Seattle to London from $340

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
10:52 am - 6:30 pmSEA  Seattle/Tacoma Intl-LCY London City
23h 38m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
5:40 pm - 10:57 pmLCY  London City-SEA Seattle/Tacoma Intl
37h 17m2 stops Zurich San Francisco
$847SWISS
Sun, Jan 24 - Tue, Jan 26
SWISS Logo
6:50 pm - 6:40 pmSEA  Seattle/Tacoma Intl-LCY London City
15h 50m2 stops Munich Franz Josef Strauss Zurich
SWISS Logo
9:15 am - 5:20 pmLCY  London City-SEA Seattle/Tacoma Intl
16h 05m2 stops Zurich Munich Franz Josef Strauss
$854SWISS
Wed, Apr 14 - Wed, May 5
Virgin Atlantic Logo
2:35 pm - 5:20 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 45m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:05 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
26h 45m1 stop Amsterdam Schiphol
$857Virgin Atlantic
Wed, Dec 9 - Tue, Jan 12
Virgin Atlantic Logo
2:35 pm - 5:20 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 45m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:50 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
26h 00m1 stop Amsterdam Schiphol
$858Virgin Atlantic
Sun, Dec 6 - Wed, Jan 13
Virgin Atlantic Logo
6:00 am - 7:15 amSEA  Seattle/Tacoma Intl-LCY London City
17h 15m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Virgin Atlantic Logo
5:05 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
26h 45m1 stop Amsterdam Schiphol
$861Virgin Atlantic
Wed, Dec 9 - Tue, Jan 12
Virgin Atlantic Logo
2:25 pm - 4:35 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 10m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
9:20 am - 8:40 amLCY  London City-SEA Seattle/Tacoma Intl
31h 20m2 stops Amsterdam Schiphol Vancouver Intl
$866Virgin Atlantic
Wed, Jan 27 - Wed, Feb 10
Virgin Atlantic Logo
2:25 pm - 5:20 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 55m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:50 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
26h 00m1 stop Amsterdam Schiphol
$867Virgin Atlantic
Sun, Jan 17 - Wed, Jan 27
Virgin Atlantic Logo
2:35 pm - 5:20 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 45m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
8:40 am - 10:02 pmLCY  London City-SEA Seattle/Tacoma Intl
21h 22m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$868Virgin Atlantic
Sun, Dec 6 - Wed, Jan 13
Virgin Atlantic Logo
1:45 pm - 4:40 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 55m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
7:00 pm - 11:33 amLCY  London City-SEA Seattle/Tacoma Intl
24h 33m1 stop Amsterdam Schiphol
$870Virgin Atlantic
Wed, Apr 7 - Wed, Apr 14
Virgin Atlantic Logo
7:20 am - 9:30 amSEA  Seattle/Tacoma Intl-LCY London City
18h 10m2 stops Boston Logan Intl Amsterdam Schiphol
Virgin Atlantic Logo
5:05 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
26h 45m1 stop Amsterdam Schiphol
$871Virgin Atlantic
Wed, Feb 10 - Tue, Feb 16

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Lufthansa flights from Seattle to London City Airport

Our best Lufthansa deals on Seattle to London City Airport flight tickets
Lufthansa
Jan 25
SEA1:50 pmSeattle/Tacoma Intl
19h 50m
1 stop
LCY5:40 pmLondon City
Jan 27
LCY9:50 amLondon City
36h 47m
2 stops
SEA2:37 pmSeattle/Tacoma Intl
$876
Lufthansa
Apr 25
SEA2:10 pmSeattle/Tacoma Intl
19h 45m
1 stop
LCY5:55 pmLondon City
May 12
LCY9:15 amLondon City
17h 20m
2 stops
SEA6:35 pmSeattle/Tacoma Intl
$895
Lufthansa
Nov 15
SEA1:50 pmSeattle/Tacoma Intl
19h 50m
1 stop
LCY5:40 pmLondon City
Nov 18
LCY6:15 pmLondon City
25h 45m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$1,067

SWISS flights from Seattle to London City Airport

Our best SWISS deals on Seattle to London City Airport flight tickets
SWISS
Jan 24
SEA10:52 amSeattle/Tacoma Intl
23h 38m
2 stops
LCY6:30 pmLondon City
Jan 26
LCY5:40 pmLondon City
37h 17m
2 stops
SEA10:57 pmSeattle/Tacoma Intl
$847
SWISS
Apr 14
SEA6:50 pmSeattle/Tacoma Intl
15h 50m
2 stops
LCY6:40 pmLondon City
May 5
LCY9:15 amLondon City
16h 05m
2 stops
SEA5:20 pmSeattle/Tacoma Intl
$854
SWISS
Dec 8
SEA3:20 pmSeattle/Tacoma Intl
17h 45m
2 stops
LCY5:05 pmLondon City
Dec 15
LCY9:15 amLondon City
19h 32m
2 stops
SEA8:47 pmSeattle/Tacoma Intl
$883

momondo Fare Finder

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

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Price

Cheapest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 1/24

10:52 am-6:30 pm

2 stops23h 38m

London City

Tue 1/26

5:40 pm-10:57 pm

2 stops37h 17m

$847
Quickest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 4/14

6:50 pm-6:40 pm

2 stops15h 50m

London City

Wed 5/5

9:15 am-5:20 pm

2 stops16h 05m

$854

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 12/9

2:35 pm-5:20 pm

1 stop18h 45m

London City

Tue 1/12

5:05 pm-11:50 am

1 stop26h 45m

$857

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 12/6

2:35 pm-5:20 pm

1 stop18h 45m

London City

Wed 1/13

5:50 pm-11:50 am

1 stop26h 00m

$858

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 12/9

6:00 am-7:15 am

2 stops17h 15m

London City

Tue 1/12

5:05 pm-11:50 am

1 stop26h 45m

$861

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 1/27

2:25 pm-4:35 pm

1 stop18h 10m

London City

Wed 2/10

9:20 am-8:40 am

2 stops31h 20m

$866

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 1/17

2:25 pm-5:20 pm

1 stop18h 55m

London City

Wed 1/27

5:50 pm-11:50 am

1 stop26h 00m

$867

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 12/6

2:35 pm-5:20 pm

1 stop18h 45m

London City

Wed 1/13

8:40 am-10:02 pm

2 stops21h 22m

$868

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 4/7

1:45 pm-4:40 pm

1 stop18h 55m

London City

Wed 4/14

7:00 pm-11:33 am

1 stop24h 33m

$870

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 2/10

7:20 am-9:30 am

2 stops18h 10m

London City

Tue 2/16

5:05 pm-11:50 am

1 stop26h 45m

$871

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Seattle to London City 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 airline that flies from Seattle/Tacoma Intl to London City?

Delta, United Airlines, and Virgin Atlantic are the most popular carriers operating from Seattle/Tacoma Intl to London City

When to book flights from Seattle to London City Airport

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

Cheap Seattle to London City Airport (SEA to LCY) flight deals and tips

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

Best Price Found

$340

Fastest flight time

15h 40m

Direct flights

None
The best one-way flight to London City Airport from Seattle in the past 72 hours is $340. The best round-trip flight deal from Seattle to London City Airport found on momondo in the last 72 hours is $847.
The fastest flight from Seattle to London City Airport takes 15h 40m
There are no direct flights from Seattle to London City Airport. There are no popular flight routes from Seattle to London City Airport.
Search flight deals

Frequently asked questions about flying from Seattle to London City Airport

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

    The distance between Seattle/Tacoma Intl and London City is about 4785.6 mi. In terms of flight time, this usually takes a little over 15h 40m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to London City Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to London City Airport.

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

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

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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to London. momondo saves you time and could save you money on your trip.

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

Yes. All flights to London from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Of course. momondo tracks the price of Seattle to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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