How do I get Price Alerts for flights from Seattle to London City Airport?

Confirm your travel details to search for the latest offers for flights from Seattle to London City Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Seattle to London City Airport with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

£285 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.

15:05 - 16:35

SEA

LCY

17h 30m

1 stop

20:05 - 12:35

LCY

SEA

23h 30m

1 stop

£481Virgin Atlantic

Mon, 2 Mar - Mon, 9 Mar

15:05 - 16:35

SEA

LCY

17h 30m

1 stop

08:40 - 22:15

LCY

SEA

20h 35m

2 stops

£488Virgin Atlantic

Mon, 2 Mar - Mon, 9 Mar

12:32 - 17:05

SEA

LCY

20h 33m

2 stops

09:15 - 23:28

LCY

SEA

21h 13m

2 stops

£490SWISS

Mon, 2 Mar - Mon, 9 Mar

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

09:20 - 16:30

LCY

SEA

15h 10m

1 stop

£491KLM

Mon, 6 Apr - Thu, 7 May

16:05 - 16:35

SEA

LCY

17h 30m

1 stop

09:20 - 16:30

LCY

SEA

15h 10m

1 stop

£491Delta

Wed, 25 Mar - Wed, 8 Apr

16:05 - 17:20

SEA

LCY

18h 15m

1 stop

09:20 - 22:10

LCY

SEA

20h 50m

2 stops

£499Virgin Atlantic

Wed, 25 Mar - Wed, 1 Apr

09:55 - 17:30

SEA

LCY

23h 35m

2 stops

09:15 - 18:30

LCY

SEA

17h 15m

2 stops

£502SWISS

Tue, 5 May - Tue, 19 May

09:55 - 17:30

SEA

LCY

23h 35m

2 stops

09:15 - 18:30

LCY

SEA

17h 15m

2 stops

£513SWISS

Mon, 11 May - Wed, 3 Jun

15:00 - 17:40

SEA

LCY

19h 40m

1 stop

09:15 - 12:20

LCY

SEA

35h 05m

1 stop

£514Lufthansa

Mon, 16 Mar - Tue, 31 Mar

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

10:00 - 16:30

LCY

SEA

14h 30m

1 stop

£527KLM

Wed, 29 Apr - Wed, 6 May

Virgin Atlantic flights from Seattle to London City Airport

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

Virgin Atlantic

2 Mar

SEA15:05Seattle/Tacoma Intl

17h 30m

1 stop

LCY16:35London City

9 Mar

LCY20:05London City

23h 30m

1 stop

SEA12:35Seattle/Tacoma Intl

£481

Virgin Atlantic

2 Mar

SEA15:05Seattle/Tacoma Intl

17h 30m

1 stop

LCY16:35London City

9 Mar

LCY08:40London City

20h 35m

2 stops

SEA22:15Seattle/Tacoma Intl

£488

Virgin Atlantic

25 Mar

SEA16:05Seattle/Tacoma Intl

18h 15m

1 stop

LCY17:20London City

1 Apr

LCY09:20London City

20h 50m

2 stops

SEA22:10Seattle/Tacoma Intl

£499

SWISS flights from Seattle to London City Airport

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

SWISS

2 Mar

SEA12:32Seattle/Tacoma Intl

20h 33m

2 stops

LCY17:05London City

9 Mar

LCY09:15London City

21h 13m

2 stops

SEA23:28Seattle/Tacoma Intl

£490

SWISS

5 May

SEA09:55Seattle/Tacoma Intl

23h 35m

2 stops

LCY17:30London City

19 May

LCY09:15London City

17h 15m

2 stops

SEA18:30Seattle/Tacoma Intl

£502

SWISS

11 May

SEA09:55Seattle/Tacoma Intl

23h 35m

2 stops

LCY17:30London City

3 Jun

LCY09:15London City

17h 15m

2 stops

SEA18:30Seattle/Tacoma Intl

£513

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

Mon 2/3

15:05-16:35

1 stop17h 30m

London City

Mon 9/3

20:05-12:35

1 stop23h 30m

£481

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 2/3

15:05-16:35

1 stop17h 30m

London City

Mon 9/3

08:40-22:15

2 stops20h 35m

£488

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 2/3

12:32-17:05

2 stops20h 33m

London City

Mon 9/3

09:15-23:28

2 stops21h 13m

£490

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 6/4

13:45-09:30

1 stop11h 45m

London City

Thu 7/5

09:20-16:30

1 stop15h 10m

£491

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 25/3

16:05-16:35

1 stop17h 30m

London City

Wed 8/4

09:20-16:30

1 stop15h 10m

£491

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 25/3

16:05-17:20

1 stop18h 15m

London City

Wed 1/4

09:20-22:10

2 stops20h 50m

£499

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 5/5

09:55-17:30

2 stops23h 35m

London City

Tue 19/5

09:15-18:30

2 stops17h 15m

£502

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 11/5

09:55-17:30

2 stops23h 35m

London City

Wed 3/6

09:15-18:30

2 stops17h 15m

£513

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 16/3

15:00-17:40

1 stop19h 40m

London City

Tue 31/3

09:15-12:20

1 stop35h 05m

£514

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 29/4

13:45-09:30

1 stop11h 45m

London City

Wed 6/5

10:00-16:30

1 stop14h 30m

£527

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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.

How do I get Price Alerts for flights from Seattle to London City Airport?
Confirm your travel details to search for the latest offers for flights from Seattle to London City Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Seattle to London City Airport with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Folkestone

Bedford

Colchester

Wembley

Worthing

Ramsgate

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.