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?

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 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.

£250 Cheap Flights from Seattle to London City Airport in 2026/27

Find the cheapest flights from Seattle to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:10 - 17:55SEA Seattle/Tacoma Intl-LCY London City

19h 45m1 stop Frankfurt am Main

13:10 - 18:32LCY London City-SEA Seattle/Tacoma Intl

37h 22m2 stops Zurich Vancouver Intl

£573Multiple Airlines

Tue, 13 Oct - Tue, 20 Oct

07:00 - 08:40SEA Seattle/Tacoma Intl-LCY London City

17h 40m2 stops Chicago O'Hare Intl Zurich

09:15 - 22:56LCY London City-SEA Seattle/Tacoma Intl

21h 41m2 stops Zurich Chicago O'Hare Intl

£574SWISS

Tue, 13 Oct - Tue, 20 Oct

17:45 - 18:30SEA Seattle/Tacoma Intl-LCY London City

16h 45m1 stop Amsterdam Schiphol

08:25 - 16:35LCY London City-SEA Seattle/Tacoma Intl

16h 10m1 stop Amsterdam Schiphol

£577Virgin Atlantic

Tue, 13 Oct - Tue, 20 Oct

13:19 - 17:25SEA Seattle/Tacoma Intl-LCY London City

20h 06m2 stops San Francisco Zurich

19:15 - 18:32LCY London City-SEA Seattle/Tacoma Intl

31h 17m2 stops Zurich Vancouver Intl

£578SWISS

Tue, 29 Sep - Tue, 6 Oct

13:19 - 17:25SEA Seattle/Tacoma Intl-LCY London City

20h 06m2 stops San Francisco Zurich

19:15 - 18:32LCY London City-SEA Seattle/Tacoma Intl

31h 17m2 stops Zurich Vancouver Intl

£580SWISS

Tue, 29 Sep - Tue, 6 Oct

10:54 - 08:40SEA Seattle/Tacoma Intl-LCY London City

37h 46m2 stops Chicago O'Hare Intl Zurich

09:15 - 22:29LCY London City-SEA Seattle/Tacoma Intl

21h 14m2 stops Zurich Chicago O'Hare Intl

£581SWISS

Wed, 20 Jan - Thu, 1 Apr

10:54 - 12:50SEA Seattle/Tacoma Intl-LCY London City

17h 56m2 stops Chicago O'Hare Intl Zurich

09:15 - 23:21LCY London City-SEA Seattle/Tacoma Intl

22h 06m2 stops Zurich San Francisco

£582SWISS

Wed, 10 Feb - Tue, 16 Feb

17:45 - 18:30SEA Seattle/Tacoma Intl-LCY London City

16h 45m1 stop Amsterdam Schiphol

08:25 - 20:27LCY London City-SEA Seattle/Tacoma Intl

20h 02m2 stops Amsterdam Schiphol Los Angeles

£583Virgin Atlantic

Wed, 14 Oct - Wed, 21 Oct

14:20 - 16:35SEA Seattle/Tacoma Intl-LCY London City

18h 15m1 stop Amsterdam Schiphol

17:05 - 11:47LCY London City-SEA Seattle/Tacoma Intl

26h 42m1 stop Amsterdam Schiphol

£584Virgin Atlantic

Wed, 10 Feb - Wed, 17 Feb

17:45 - 17:20SEA Seattle/Tacoma Intl-LCY London City

15h 35m1 stop Amsterdam Schiphol

09:20 - 21:58LCY London City-SEA Seattle/Tacoma Intl

20h 38m2 stops Amsterdam Schiphol Los Angeles

£585Virgin Atlantic

Tue, 13 Oct - Tue, 20 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:45 - 16:40SEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

09:20 - 16:35LCY London City-SEA Seattle/Tacoma Intl

15h 15m1 stop Amsterdam Schiphol

£655Delta

Wed, 23 Sep - Wed, 30 Sep

17:45 - 16:40SEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

10:00 - 16:35LCY London City-SEA Seattle/Tacoma Intl

14h 35m1 stop Amsterdam Schiphol

£656Delta

Sun, 20 Sep - Wed, 23 Sep

15:30 - 17:25SEA Seattle/Tacoma Intl-LCY London City

17h 55m2 stops San Francisco Zurich

09:15 - 18:32LCY London City-SEA Seattle/Tacoma Intl

17h 17m2 stops Zurich Vancouver Intl

£659SWISS

Tue, 22 Sep - Tue, 29 Sep

07:00 - 12:35SEA Seattle/Tacoma Intl-LCY London City

21h 35m2 stops Chicago O'Hare Intl Zurich

19:15 - 18:32LCY London City-SEA Seattle/Tacoma Intl

31h 17m2 stops Zurich Vancouver Intl

£715SWISS

Sun, 20 Sep - Tue, 6 Oct

13:50 - 09:30SEA Seattle/Tacoma Intl-LCY London City

11h 40m1 stop Amsterdam Schiphol

10:00 - 16:35LCY London City-SEA Seattle/Tacoma Intl

14h 35m1 stop Amsterdam Schiphol

£749KLM

Mon, 21 Sep - Thu, 24 Sep

07:00 - 12:35SEA Seattle/Tacoma Intl-LCY London City

21h 35m2 stops Chicago O'Hare Intl Zurich

09:15 - 18:32LCY London City-SEA Seattle/Tacoma Intl

17h 17m2 stops Zurich Vancouver Intl

£770SWISS

Sun, 20 Sep - Wed, 23 Sep

15:30 - 17:30SEA Seattle/Tacoma Intl-LCY London City

18h 00m2 stops San Francisco Zurich

09:15 - 22:56LCY London City-SEA Seattle/Tacoma Intl

21h 41m2 stops Zurich Chicago O'Hare Intl

£778SWISS

Mon, 21 Sep - Fri, 25 Sep

14:10 - 17:55SEA Seattle/Tacoma Intl-LCY London City

19h 45m1 stop Frankfurt am Main

09:15 - 22:47LCY London City-SEA Seattle/Tacoma Intl

21h 32m2 stops Frankfurt am Main Vancouver Intl

£796Lufthansa

Sat, 19 Sep - Thu, 24 Sep

19:10 - 17:20SEA Seattle/Tacoma Intl-LCY London City

14h 10m1 stop Dublin

09:10 - 17:10LCY London City-SEA Seattle/Tacoma Intl

16h 00m1 stop Dublin

£802British Airways

Tue, 22 Sep - Tue, 29 Sep

13:50 - 09:30SEA Seattle/Tacoma Intl-LCY London City

11h 40m1 stop Amsterdam Schiphol

10:00 - 16:35LCY London City-SEA Seattle/Tacoma Intl

14h 35m1 stop Amsterdam Schiphol

£804Delta

Tue, 22 Sep - Sat, 10 Oct

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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

13 Oct

SEA17:45Seattle/Tacoma Intl

16h 45m

1 stop

LCY18:30London City

20 Oct

LCY08:25London City

16h 10m

1 stop

SEA16:35Seattle/Tacoma Intl

£577

Virgin Atlantic

1 Feb

SEA14:20Seattle/Tacoma Intl

18h 15m

1 stop

LCY16:35London City

9 Feb

LCY20:05London City

23h 42m

1 stop

SEA11:47Seattle/Tacoma Intl

£582

Virgin Atlantic

14 Oct

SEA17:45Seattle/Tacoma Intl

16h 45m

1 stop

LCY18:30London City

21 Oct

LCY08:25London City

20h 02m

2 stops

SEA20:27Seattle/Tacoma Intl

£583

SWISS flights from Seattle to London City Airport

Our best SWISS deals on Seattle to London City Airport flight tickets

SWISS

13 Oct

SEA07:00Seattle/Tacoma Intl

17h 40m

2 stops

LCY08:40London City

20 Oct

LCY09:15London City

21h 41m

2 stops

SEA22:56Seattle/Tacoma Intl

£574

SWISS

29 Sept

SEA13:19Seattle/Tacoma Intl

20h 06m

2 stops

LCY17:25London City

6 Oct

LCY19:15London City

31h 17m

2 stops

SEA18:32Seattle/Tacoma Intl

£578

SWISS

29 Sept

SEA13:19Seattle/Tacoma Intl

20h 06m

2 stops

LCY17:25London City

6 Oct

LCY19:15London City

31h 17m

2 stops

SEA18:32Seattle/Tacoma Intl

£580

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 13/10

14:10-17:55

1 stop19h 45m

London City

Tue 20/10

13:10-18:32

2 stops37h 22m

£573

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 13/10

07:00-08:40

2 stops17h 40m

London City

Tue 20/10

09:15-22:56

2 stops21h 41m

£574

Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 13/10

17:45-18:30

1 stop16h 45m

London City

Tue 20/10

08:25-16:35

1 stop16h 10m

£577

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 29/9

13:19-17:25

2 stops20h 06m

London City

Tue 6/10

19:15-18:32

2 stops31h 17m

£578

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 29/9

13:19-17:25

2 stops20h 06m

London City

Tue 6/10

19:15-18:32

2 stops31h 17m

£580

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 20/1

10:54-08:40

2 stops37h 46m

London City

Thu 1/4

09:15-22:29

2 stops21h 14m

£581

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 10/2

10:54-12:50

2 stops17h 56m

London City

Tue 16/2

09:15-23:21

2 stops22h 06m

£582

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 14/10

17:45-18:30

1 stop16h 45m

London City

Wed 21/10

08:25-20:27

2 stops20h 02m

£583

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Wed 10/2

14:20-16:35

1 stop18h 15m

London City

Wed 17/2

17:05-11:47

1 stop26h 42m

£584

SeattleLondon

SEA Seattle/Tacoma Intl - LCY London City

SEALCY

Seattle/Tacoma Intl

Tue 13/10

17:45-17:20

1 stop15h 35m

London City

Tue 20/10

09:20-21:58

2 stops20h 38m

£584

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, Lufthansa, and Delta 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 return 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	£250
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 £250. The best return flight deal from Seattle to London City Airport found on momondo in the last 72 hours is £573.

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?
There are 4785.6 mi between Seattle/Tacoma Intl and London City. A reasonable flight in good conditions will take 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?
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 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.

Eastbourne

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Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seattle.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Seattle.

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.