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Cheap flights from Seattle to London from $338

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.
Multiple Airlines Logo
2:35 pm - 4:35 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 00m3 stops Reykjavik Keflavik Intl Frankfurt am Main Amsterdam Schiphol
Multiple Airlines Logo
6:55 pm - 5:00 pmLCY  London City-SEA Seattle/Tacoma Intl
30h 05m3 stops Amsterdam Schiphol Frankfurt am Main Reykjavik Keflavik Intl
$853Multiple Airlines
Mon, Nov 23 - Tue, Dec 8
Delta Logo
2:35 pm - 4:35 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 00m1 stop Amsterdam Schiphol
Delta Logo
10:00 am - 11:35 amLCY  London City-SEA Seattle/Tacoma Intl
33h 35m1 stop Amsterdam Schiphol
$880Delta
Mon, Mar 1 - Tue, Mar 9
Lufthansa Logo
2:10 pm - 5:55 pmSEA  Seattle/Tacoma Intl-LCY London City
19h 45m1 stop Frankfurt am Main
Lufthansa Logo
9:15 am - 9:58 pmLCY  London City-SEA Seattle/Tacoma Intl
20h 43m2 stops Frankfurt am Main Vancouver Intl
$881Lufthansa
Mon, Apr 5 - Fri, Apr 30
Virgin Atlantic Logo
2:35 pm - 7:35 pmSEA  Seattle/Tacoma Intl-LCY London City
21h 00m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:50 pm - 11:35 amLCY  London City-SEA Seattle/Tacoma Intl
25h 45m1 stop Amsterdam Schiphol
$882Virgin Atlantic
Mon, Mar 1 - Mon, Mar 8
KLM Logo
1:45 pm - 9:30 amSEA  Seattle/Tacoma Intl-LCY London City
11h 45m1 stop Amsterdam Schiphol
KLM Logo
10:00 am - 4:20 pmLCY  London City-SEA Seattle/Tacoma Intl
14h 20m1 stop Amsterdam Schiphol
$883KLM
Mon, Apr 5 - Fri, Apr 30
KLM Logo
1:45 pm - 9:30 amSEA  Seattle/Tacoma Intl-LCY London City
11h 45m1 stop Amsterdam Schiphol
KLM Logo
10:00 am - 4:20 pmLCY  London City-SEA Seattle/Tacoma Intl
14h 20m1 stop Amsterdam Schiphol
$884KLM
Sun, Mar 28 - Thu, Apr 1
Virgin Atlantic Logo
2:20 pm - 7:35 pmSEA  Seattle/Tacoma Intl-LCY London City
21h 15m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
8:05 pm - 11:47 amLCY  London City-SEA Seattle/Tacoma Intl
23h 42m1 stop Amsterdam Schiphol
$885Virgin Atlantic
Mon, Feb 1 - Mon, Feb 15
Virgin Atlantic Logo
2:25 pm - 7:35 pmSEA  Seattle/Tacoma Intl-LCY London City
21h 10m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
8:05 pm - 11:47 amLCY  London City-SEA Seattle/Tacoma Intl
23h 42m1 stop Amsterdam Schiphol
$886Virgin Atlantic
Mon, Jan 18 - Thu, Feb 11
Virgin Atlantic Logo
2:20 pm - 7:35 pmSEA  Seattle/Tacoma Intl-LCY London City
21h 15m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:05 pm - 11:47 amLCY  London City-SEA Seattle/Tacoma Intl
26h 42m1 stop Amsterdam Schiphol
$887Virgin Atlantic
Wed, Feb 10 - Tue, Feb 16
KLM Logo
1:45 pm - 9:30 amSEA  Seattle/Tacoma Intl-LCY London City
11h 45m1 stop Amsterdam Schiphol
KLM Logo
9:20 am - 4:20 pmLCY  London City-SEA Seattle/Tacoma Intl
15h 00m1 stop Amsterdam Schiphol
$889KLM
Sun, Apr 18 - Wed, Apr 28

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Delta flights from Seattle to London City Airport

Our best Delta deals on Seattle to London City Airport flight tickets
Delta
Mar 1
SEA2:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LCY4:35 pmLondon City
Mar 10
LCY10:00 amLondon City
33h 35m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$880
Delta
Dec 29
SEA2:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LCY4:35 pmLondon City
Jan 12
LCY9:20 amLondon City
34h 29m
1 stop
SEA11:49 amSeattle/Tacoma Intl
$925
Delta
Mar 4
SEA2:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LCY4:35 pmLondon City
Mar 11
LCY9:20 amLondon City
34h 15m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$930

SWISS flights from Seattle to London City Airport

Our best SWISS deals on Seattle to London City Airport flight tickets
SWISS
Jan 13
SEA1:18 pmSeattle/Tacoma Intl
19h 47m
2 stops
LCY5:05 pmLondon City
Jan 22
LCY9:15 amLondon City
19h 33m
2 stops
SEA8:48 pmSeattle/Tacoma Intl
$896
SWISS
Feb 9
SEA1:18 pmSeattle/Tacoma Intl
19h 47m
2 stops
LCY5:05 pmLondon City
Feb 18
LCY9:15 amLondon City
21h 30m
2 stops
SEA10:45 pmSeattle/Tacoma Intl
$897
SWISS
Jan 17
SEA10:52 amSeattle/Tacoma Intl
17h 58m
2 stops
LCY12:50 pmLondon City
Feb 5
LCY9:15 amLondon City
19h 33m
2 stops
SEA8:48 pmSeattle/Tacoma Intl
$901

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

Mon 11/23

2:35 pm-4:35 pm

3 stops18h 00m

London City

Tue 12/8

6:55 pm-5:00 pm

3 stops30h 05m

$853

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 3/1

2:35 pm-4:35 pm

1 stop18h 00m

London City

Tue 3/9

10:00 am-11:35 am

1 stop33h 35m

$880

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 4/5

2:10 pm-5:55 pm

1 stop19h 45m

London City

Fri 4/30

9:15 am-9:58 pm

2 stops20h 43m

$881

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 3/1

2:35 pm-7:35 pm

1 stop21h 00m

London City

Mon 3/8

5:50 pm-11:35 am

1 stop25h 45m

$882
Quickest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 4/5

1:45 pm-9:30 am

1 stop11h 45m

London City

Fri 4/30

10:00 am-4:20 pm

1 stop14h 20m

$883

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 3/28

1:45 pm-9:30 am

1 stop11h 45m

London City

Thu 4/1

10:00 am-4:20 pm

1 stop14h 20m

$884

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 2/1

2:20 pm-7:35 pm

1 stop21h 15m

London City

Mon 2/15

8:05 pm-11:47 am

1 stop23h 42m

$885

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 1/18

2:25 pm-7:35 pm

1 stop21h 10m

London City

Thu 2/11

8:05 pm-11:47 am

1 stop23h 42m

$886

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 2/10

2:20 pm-7:35 pm

1 stop21h 15m

London City

Tue 2/16

5:05 pm-11:47 am

1 stop26h 42m

$887

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 4/18

1:45 pm-9:30 am

1 stop11h 45m

London City

Wed 4/28

9:20 am-4:20 pm

1 stop15h 00m

$889

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?

Virgin Atlantic, SWISS, and United Airlines 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

$338

Fastest flight time

11h 45m

Direct flights

None
The best one-way flight to London City Airport from Seattle in the past 72 hours is $338. The best round-trip flight deal from Seattle to London City Airport found on momondo in the last 72 hours is $853.
The fastest flight from Seattle to London City Airport takes 11h 45m
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 11h 45m.

  • 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
Dover
Wembley
Richmond
Watford
Crawley
Worthing
Harrow
Slough
Hook
Ilford
Canterbury
Brentford

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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