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.

£313 Cheap Flights from Seattle to London City Airport in 2026

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Find the cheapest flights from Seattle to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:10 - 17:55

SEA

LCY

19h 45m

1 stop

09:15 - 18:30

LCY

SEA

17h 15m

2 stops

£603Lufthansa

Mon, 20 Apr - Thu, 7 May

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

09:20 - 16:30

LCY

SEA

15h 10m

1 stop

£622KLM

Tue, 5 May - Tue, 12 May

13:45 - 17:20

SEA

LCY

19h 35m

1 stop

09:20 - 16:30

LCY

SEA

15h 10m

1 stop

£623Virgin Atlantic

Sun, 19 Apr - Tue, 5 May

16:35 - 17:30

SEA

LCY

16h 55m

1 stop

09:15 - 18:32

LCY

SEA

17h 17m

2 stops

£625SWISS

Mon, 14 Sep - Wed, 30 Sep

16:35 - 17:30

SEA

LCY

16h 55m

1 stop

09:15 - 18:32

LCY

SEA

17h 17m

2 stops

£626SWISS

Mon, 14 Sep - Thu, 24 Sep

14:10 - 17:55

SEA

LCY

19h 45m

1 stop

09:15 - 16:59

LCY

SEA

15h 44m

2 stops

£627Lufthansa

Wed, 22 Apr - Wed, 29 Apr

15:33 - 17:25

SEA

LCY

17h 52m

2 stops

09:15 - 18:32

LCY

SEA

17h 17m

2 stops

£628SWISS

Tue, 15 Sep - Wed, 30 Sep

17:35 - 18:30

SEA

LCY

16h 55m

1 stop

09:20 - 20:42

LCY

SEA

19h 22m

2 stops

£631Virgin Atlantic

Sun, 19 Apr - Tue, 5 May

16:35 - 18:40

SEA

LCY

18h 05m

1 stop

09:15 - 22:42

LCY

SEA

21h 27m

2 stops

£632SWISS

Mon, 3 Aug - Tue, 25 Aug

17:35 - 16:40

SEA

LCY

15h 05m

1 stop

20:15 - 11:42

LCY

SEA

23h 27m

1 stop

£633Virgin Atlantic

Mon, 4 May - Mon, 11 May

KLM flights from Seattle to London City Airport

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

KLM

5 May

SEA13:45Seattle/Tacoma Intl

11h 45m

1 stop

LCY09:30London City

12 May

LCY09:20London City

15h 10m

1 stop

SEA16:30Seattle/Tacoma Intl

£622

KLM

7 Apr

SEA17:35Seattle/Tacoma Intl

15h 05m

1 stop

LCY16:40London City

21 Apr

LCY08:25London City

16h 05m

1 stop

SEA16:30Seattle/Tacoma Intl

£672

KLM

1 Apr

SEA13:45Seattle/Tacoma Intl

11h 45m

1 stop

LCY09:30London City

8 Apr

LCY09:20London City

15h 10m

1 stop

SEA16:30Seattle/Tacoma Intl

£783

Virgin Atlantic flights from Seattle to London City Airport

Our best Virgin Atlantic deals on Seattle to London City Airport flight tickets

Virgin Atlantic

19 Apr

SEA13:45Seattle/Tacoma Intl

19h 35m

1 stop

LCY17:20London City

5 May

LCY09:20London City

15h 10m

1 stop

SEA16:30Seattle/Tacoma Intl

£623

Virgin Atlantic

19 Apr

SEA17:35Seattle/Tacoma Intl

16h 55m

1 stop

LCY18:30London City

5 May

LCY09:20London City

19h 22m

2 stops

SEA20:42Seattle/Tacoma Intl

£631

Virgin Atlantic

4 May

SEA17:35Seattle/Tacoma Intl

15h 05m

1 stop

LCY16:40London City

11 May

LCY20:15London City

23h 27m

1 stop

SEA11:42Seattle/Tacoma Intl

£633

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 - LCY

SEALCY

Seattle/Tacoma Intl

Mon 20/4

14:10-17:55

1 stop19h 45m

London City

Thu 7/5

09:15-18:30

2 stops17h 15m

£603

Fastest return journey

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 5/5

13:45-09:30

1 stop11h 45m

London City

Tue 12/5

09:20-16:30

1 stop15h 10m

£622

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 19/4

13:45-17:20

1 stop19h 35m

London City

Tue 5/5

09:20-16:30

1 stop15h 10m

£623

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 14/9

16:35-17:30

1 stop16h 55m

London City

Wed 30/9

09:15-18:32

2 stops17h 17m

£625

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 14/9

16:35-17:30

1 stop16h 55m

London City

Thu 24/9

09:15-18:32

2 stops17h 17m

£626

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 22/4

14:10-17:55

1 stop19h 45m

London City

Wed 29/4

09:15-16:59

2 stops15h 44m

£627

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 15/9

15:33-17:25

2 stops17h 52m

London City

Wed 30/9

09:15-18:32

2 stops17h 17m

£628

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 19/4

17:35-18:30

1 stop16h 55m

London City

Tue 5/5

09:20-20:42

2 stops19h 22m

£631

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 3/8

16:35-18:40

1 stop18h 05m

London City

Tue 25/8

09:15-22:42

2 stops21h 27m

£632

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 4/5

17:35-16:40

1 stop15h 05m

London City

Mon 11/5

20:15-11:42

1 stop23h 27m

£633

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?

United Airlines, KLM, and SWISS 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

Fastest flight time	11h 40m
Direct flights	None

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

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 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?
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

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Ipswich

Wembley

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Dover

Folkestone

Ramsgate

Chichester

Bedford

Worthing

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.