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.

£305 Cheap Flights from Seattle to London City Airport in 2025/26

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Find the cheapest flights from Seattle to London

Round-trip

One-way

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Enter your travel dates to find the best prices.

15:10 - 16:35

SEA

LCY

17h 25m1 stop

20:05 - 11:50

LCY

SEA

23h 45m1 stop

£485Virgin Atlantic

Sun, 18 Jan - Sun, 25 Jan

15:05 - 19:35

SEA

LCY

20h 30m1 stop

13:45 - 12:35

LCY

SEA

29h 50m1 stop

£485Virgin Atlantic

Sun, 22 Feb - Sun, 8 Mar

15:10 - 16:35

SEA

LCY

17h 25m1 stop

17:50 - 11:50

LCY

SEA

26h 00m1 stop

£486Virgin Atlantic

Tue, 13 Jan - Tue, 20 Jan

17:30 - 18:30

SEA

LCY

17h 00m1 stop

08:25 - 16:30

LCY

SEA

16h 05m1 stop

£487Virgin Atlantic

Sun, 5 Apr - Thu, 16 Apr

06:00 - 08:50

SEA

LCY

18h 50m2 stops

18:55 - 11:35

LCY

SEA

24h 40m1 stop

£488Virgin Atlantic

Sun, 15 Feb - Thu, 5 Mar

06:05 - 08:10

SEA

LCY

18h 05m2 stops

20:05 - 11:50

LCY

SEA

23h 45m1 stop

£489Virgin Atlantic

Sun, 18 Jan - Sun, 25 Jan

16:00 - 17:20

SEA

LCY

18h 20m1 stop

08:25 - 20:02

LCY

SEA

19h 37m2 stops

£493Virgin Atlantic

Tue, 24 Mar - Tue, 31 Mar

15:10 - 16:35

SEA

LCY

17h 25m1 stop

07:45 - 22:25

LCY

SEA

22h 40m2 stops

£493Virgin Atlantic

Tue, 13 Jan - Fri, 23 Jan

10:55 - 12:55

SEA

LCY

18h 00m2 stops

19:10 - 21:01

LCY

SEA

33h 51m2 stops

£495SWISS

Wed, 18 Feb - Mon, 23 Feb

12:35 - 17:05

SEA

LCY

20h 30m2 stops

09:15 - 21:12

LCY

SEA

19h 57m2 stops

£496SWISS

Tue, 13 Jan - Thu, 22 Jan

SWISS flights from Seattle to London City Airport

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

SWISS

13 Jan

SEA12:35Seattle/Tacoma Intl

20h 30m

2 stops

LCY17:05London City

22 Jan

LCY09:15London City

19h 57m

2 stops

SEA21:12Seattle/Tacoma Intl

£496

Find similar

SWISS

10 Mar

SEA10:55Seattle/Tacoma Intl

19h 00m

2 stops

LCY12:55London City

23 Mar

LCY19:10London City

34h 35m

2 stops

SEA22:45Seattle/Tacoma Intl

£533

Find similar

SWISS

14 Feb

SEA10:55Seattle/Tacoma Intl

42h 00m

2 stops

LCY12:55London City

23 Feb

LCY19:10London City

33h 51m

2 stops

SEA21:01Seattle/Tacoma Intl

£538

Find similar

Delta flights from Seattle to London City Airport

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

Delta

23 Apr

SEA17:30Seattle/Tacoma Intl

15h 10m

1 stop

LCY16:40London City

1 May

LCY09:20London City

15h 10m

1 stop

SEA16:30Seattle/Tacoma Intl

£534

Find similar

Delta

22 Mar

SEA16:00Seattle/Tacoma Intl

17h 35m

1 stop

LCY16:35London City

30 Mar

LCY09:20London City

15h 10m

1 stop

SEA16:30Seattle/Tacoma Intl

£561

Find similar

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

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 18/1

15:10-16:35

1 stop17h 25m

London City

Sun 25/1

20:05-11:50

1 stop23h 45m

£484

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 22/2

15:05-19:35

1 stop20h 30m

London City

Sun 8/3

13:45-12:35

1 stop29h 50m

£485

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 13/1

15:10-16:35

1 stop17h 25m

London City

Tue 20/1

17:50-11:50

1 stop26h 00m

£486

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 5/4

17:30-18:30

1 stop17h 00m

London City

Thu 16/4

08:25-16:30

1 stop16h 05m

£487

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 15/2

06:00-08:50

2 stops18h 50m

London City

Thu 5/3

18:55-11:35

1 stop24h 40m

£488

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 18/1

06:05-08:10

2 stops18h 05m

London City

Sun 25/1

20:05-11:50

1 stop23h 45m

£489

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 24/3

16:00-17:20

1 stop18h 20m

London City

Tue 31/3

08:25-20:02

2 stops19h 37m

£493

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 13/1

15:10-16:35

1 stop17h 25m

London City

Fri 23/1

07:45-22:25

2 stops22h 40m

£493

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 18/2

10:55-12:55

2 stops18h 00m

London City

Mon 23/2

19:10-21:01

2 stops33h 51m

£495

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 13/1

12:35-17:05

2 stops20h 30m

London City

Thu 22/1

09:15-21:12

2 stops19h 57m

£496

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?

SWISS, Lufthansa, 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 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 45m
Direct flights	None

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.

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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.

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Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Colchester

Bedford

Ramsgate

Hounslow

Stansted

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.