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Cheap flights from Seattle to London from $342

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
7:00 am - 12:35 pmSEA  Seattle/Tacoma Intl-LCY London City
21h 35m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
9:15 am - 6:32 pmLCY  London City-SEA Seattle/Tacoma Intl
17h 17m2 stops Zurich Vancouver Intl
$827SWISS
Tue, Oct 13 - Thu, Oct 15
SWISS Logo
3:18 pm - 5:25 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 07m2 stops San Francisco Zurich
SWISS Logo
9:15 am - 10:56 pmLCY  London City-SEA Seattle/Tacoma Intl
21h 41m2 stops Zurich Chicago O'Hare Intl
$832SWISS
Tue, Sep 29 - Thu, Oct 1
SWISS Logo
10:50 am - 12:50 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 00m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
9:15 am - 11:18 pmLCY  London City-SEA Seattle/Tacoma Intl
22h 03m2 stops Zurich San Francisco
$837SWISS
Wed, Nov 4 - Fri, Nov 6
SWISS Logo
3:18 pm - 5:25 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 07m2 stops San Francisco Zurich
SWISS Logo
9:15 am - 10:56 pmLCY  London City-SEA Seattle/Tacoma Intl
21h 41m2 stops Zurich Chicago O'Hare Intl
$857SWISS
Tue, Sep 29 - Thu, Oct 1
Multiple Airlines Logo
3:40 pm - 5:30 pmSEA  Seattle/Tacoma Intl-LCY London City
17h 50m2 stops Reykjavik Keflavik Intl Zurich
Multiple Airlines Logo
9:15 am - 5:55 pmLCY  London City-SEA Seattle/Tacoma Intl
16h 40m2 stops Zurich Reykjavik Keflavik Intl
$874Multiple Airlines
Mon, Oct 5 - Tue, Oct 13
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 - 4:59 pmLCY  London City-SEA Seattle/Tacoma Intl
15h 44m2 stops Frankfurt am Main Munich Franz Josef Strauss
$876Lufthansa
Sun, Sep 27 - Tue, Sep 29
Virgin Atlantic Logo
2:35 pm - 6:25 pmSEA  Seattle/Tacoma Intl-LCY London City
19h 50m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:05 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
26h 45m1 stop Amsterdam Schiphol
$882Virgin Atlantic
Mon, Nov 23 - Wed, Dec 2
Virgin Atlantic Logo
2:35 pm - 7:35 pmSEA  Seattle/Tacoma Intl-LCY London City
21h 00m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
8:05 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
23h 45m1 stop Amsterdam Schiphol
$883Virgin Atlantic
Tue, Dec 1 - Wed, Dec 9
Virgin Atlantic Logo
2:35 pm - 6:25 pmSEA  Seattle/Tacoma Intl-LCY London City
19h 50m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:50 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
26h 00m1 stop Amsterdam Schiphol
$884Virgin Atlantic
Sun, Nov 29 - Wed, Dec 9
Virgin Atlantic Logo
7:15 am - 9:30 amSEA  Seattle/Tacoma Intl-LCY London City
18h 15m2 stops Boston Logan Intl Amsterdam Schiphol
Virgin Atlantic Logo
6:55 pm - 11:50 amLCY  London City-SEA Seattle/Tacoma Intl
24h 55m1 stop Amsterdam Schiphol
$887Virgin Atlantic
Mon, Nov 23 - Wed, Dec 2

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Virgin Atlantic flights from Seattle to London City Airport

Our best Virgin Atlantic deals on Seattle to London City Airport flight tickets
Virgin Atlantic
Nov 23
SEA2:35 pmSeattle/Tacoma Intl
19h 50m
1 stop
LCY6:25 pmLondon City
Dec 2
LCY5:05 pmLondon City
26h 45m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$882
Virgin Atlantic
Dec 1
SEA2:35 pmSeattle/Tacoma Intl
21h 00m
1 stop
LCY7:35 pmLondon City
Dec 9
LCY8:05 pmLondon City
23h 45m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$883
Virgin Atlantic
Nov 29
SEA2:35 pmSeattle/Tacoma Intl
19h 50m
1 stop
LCY6:25 pmLondon City
Dec 9
LCY5:50 pmLondon City
26h 00m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$884

KLM flights from Seattle to London City Airport

Our best KLM deals on Seattle to London City Airport flight tickets
KLM
Oct 5
SEA1:45 pmSeattle/Tacoma Intl
11h 45m
1 stop
LCY9:30 amLondon City
Oct 20
LCY10:00 amLondon City
14h 35m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
$929
KLM
Aug 24
SEA1:50 pmSeattle/Tacoma Intl
11h 40m
1 stop
LCY9:30 amLondon City
Aug 27
LCY10:00 amLondon City
14h 27m
1 stop
SEA4:27 pmSeattle/Tacoma Intl
$1,032
KLM
Aug 24
SEA1:50 pmSeattle/Tacoma Intl
11h 40m
1 stop
LCY9:30 amLondon City
Aug 26
LCY9:20 amLondon City
15h 07m
1 stop
SEA4:27 pmSeattle/Tacoma Intl
$1,033

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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Route

Depart

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Price

Cheapest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 10/13

7:00 am-12:35 pm

2 stops21h 35m

London City

Thu 10/15

9:15 am-6:32 pm

2 stops17h 17m

$827

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 9/29

3:18 pm-5:25 pm

2 stops18h 07m

London City

Thu 10/1

9:15 am-10:56 pm

2 stops21h 41m

$832

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 11/4

10:50 am-12:50 pm

2 stops18h 00m

London City

Fri 11/6

9:15 am-11:18 pm

2 stops22h 03m

$837

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 9/29

3:18 pm-5:25 pm

2 stops18h 07m

London City

Thu 10/1

9:15 am-10:56 pm

2 stops21h 41m

$857
Quickest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 10/5

3:40 pm-5:30 pm

2 stops17h 50m

London City

Tue 10/13

9:15 am-5:55 pm

2 stops16h 40m

$874

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 9/27

2:10 pm-5:55 pm

1 stop19h 45m

London City

Tue 9/29

9:15 am-4:59 pm

2 stops15h 44m

$876

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-6:25 pm

1 stop19h 50m

London City

Wed 12/2

5:05 pm-11:50 am

1 stop26h 45m

$882

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 12/1

2:35 pm-7:35 pm

1 stop21h 00m

London City

Wed 12/9

8:05 pm-11:50 am

1 stop23h 45m

$883

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Sun 11/29

2:35 pm-6:25 pm

1 stop19h 50m

London City

Wed 12/9

5:50 pm-11:50 am

1 stop26h 00m

$884

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Mon 11/23

7:15 am-9:30 am

2 stops18h 15m

London City

Wed 12/2

6:55 pm-11:50 am

1 stop24h 55m

$887

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, KLM, 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

$342

Fastest flight time

11h 40m

Direct flights

None
The best one-way flight to London City Airport from Seattle in the past 72 hours is $342. The best round-trip flight deal from Seattle to London City Airport found on momondo in the last 72 hours is $827.
The fastest flight from Seattle to London City Airport takes 11h 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 11h 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
Milton Keynes
Luton
Hayes
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Eastbourne
Worthing
Romford
Ilford

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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