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.

£237 Cheap Flights from Seattle to London City Airport in 2026

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.

15:35 - 12:50

SEA

LCY

37h 15m

2 stops

09:15 - 22:59

LCY

SEA

21h 44m

2 stops

£583SWISS

Mon, 16 Nov - Thu, 19 Nov

07:00 - 12:35

SEA

LCY

21h 35m

2 stops

09:15 - 18:32

LCY

SEA

17h 17m

2 stops

£612SWISS

Tue, 13 Oct - Thu, 15 Oct

07:00 - 17:30

SEA

LCY

26h 30m

2 stops

13:10 - 18:32

LCY

SEA

37h 22m

2 stops

£612SWISS

Mon, 12 Oct - Wed, 14 Oct

14:10 - 17:55

SEA

LCY

19h 45m

1 stop

09:15 - 14:22

LCY

SEA

37h 07m

2 stops

£632Lufthansa

Mon, 12 Oct - Wed, 14 Oct

19:20 - 17:55

SEA

LCY

38h 35m

2 stops

09:15 - 12:20

LCY

SEA

35h 05m

1 stop

£632Lufthansa

Sun, 11 Oct - Wed, 14 Oct

14:10 - 17:55

SEA

LCY

19h 45m

1 stop

09:15 - 14:22

LCY

SEA

37h 07m

2 stops

£632Lufthansa

Tue, 13 Oct - Thu, 15 Oct

14:35 - 17:20

SEA

LCY

18h 45m

1 stop

17:50 - 11:50

LCY

SEA

26h 00m

1 stop

£651Virgin Atlantic

Tue, 10 Nov - Mon, 11 Jan

14:35 - 18:25

SEA

LCY

19h 50m

1 stop

17:50 - 11:47

LCY

SEA

25h 57m

1 stop

£651Virgin Atlantic

Tue, 17 Nov - Mon, 23 Nov

14:35 - 19:35

SEA

LCY

21h 00m

1 stop

20:05 - 11:50

LCY

SEA

23h 45m

1 stop

£651Virgin Atlantic

Wed, 2 Dec - Wed, 9 Dec

14:35 - 17:20

SEA

LCY

18h 45m

1 stop

18:55 - 11:47

LCY

SEA

24h 52m

1 stop

£651Virgin Atlantic

Sun, 1 Nov - Tue, 10 Nov

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KLM flights from Seattle to London City Airport

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

KLM

27 Sept

SEA13:50Seattle/Tacoma Intl

11h 40m

1 stop

LCY09:30London City

2 Oct

LCY10:00London City

14h 35m

1 stop

SEA16:35Seattle/Tacoma Intl

£653

KLM

22 Sept

SEA13:50Seattle/Tacoma Intl

11h 40m

1 stop

LCY09:30London City

29 Sept

LCY10:00London City

14h 35m

1 stop

SEA16:35Seattle/Tacoma Intl

£658

KLM

22 Sept

SEA13:50Seattle/Tacoma Intl

11h 40m

1 stop

LCY09:30London City

15 Oct

LCY10:00London City

14h 35m

1 stop

SEA16:35Seattle/Tacoma Intl

£689

Lufthansa flights from Seattle to London City Airport

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

Lufthansa

11 Oct

SEA19:20Seattle/Tacoma Intl

38h 35m

2 stops

LCY17:55London City

14 Oct

LCY09:15London City

35h 05m

1 stop

SEA12:20Seattle/Tacoma Intl

£632

Lufthansa

15 Nov

SEA13:50Seattle/Tacoma Intl

19h 50m

1 stop

LCY17:40London City

23 Nov

LCY18:15London City

47h 12m

2 stops

SEA09:27Seattle/Tacoma Intl

£685

Lufthansa

15 Nov

SEA14:50Seattle/Tacoma Intl

18h 50m

2 stops

LCY17:40London City

23 Nov

LCY18:15London City

47h 12m

2 stops

SEA09:27Seattle/Tacoma Intl

£701

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 16/11

15:35-12:50

2 stops37h 15m

London City

Thu 19/11

09:15-22:59

2 stops21h 44m

£583

Fastest return journey

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 13/10

07:00-12:35

2 stops21h 35m

London City

Thu 15/10

09:15-18:32

2 stops17h 17m

£612

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 12/10

07:00-17:30

2 stops26h 30m

London City

Wed 14/10

13:10-18:32

2 stops37h 22m

£612

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 12/10

14:10-17:55

1 stop19h 45m

London City

Wed 14/10

09:15-14:22

2 stops37h 07m

£632

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 11/10

19:20-17:55

2 stops38h 35m

London City

Wed 14/10

09:15-12:20

1 stop35h 05m

£632

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 13/10

14:10-17:55

1 stop19h 45m

London City

Thu 15/10

09:15-14:22

2 stops37h 07m

£632

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 10/11

14:35-17:20

1 stop18h 45m

London City

Mon 11/1

17:50-11:50

1 stop26h 00m

£651

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 17/11

14:35-18:25

1 stop19h 50m

London City

Mon 23/11

17:50-11:47

1 stop25h 57m

£651

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 2/12

14:35-19:35

1 stop21h 00m

London City

Wed 9/12

20:05-11:50

1 stop23h 45m

£651

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 1/11

14:35-17:20

1 stop18h 45m

London City

Tue 10/11

18:55-11:47

1 stop24h 52m

£651

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 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

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

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 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.

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Harlow

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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.