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Cheap flights from Seattle to London from £286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to London departing on 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
SWISS Logo
10:58 - 08:40SEA-LCY
37h 42m2 stops
SWISS Logo
09:20 - 22:43LCY-SEA
21h 23m2 stops
£472SWISS
Find Deal
ti., 10 feb. - on., 18 feb.
Virgin Atlantic Logo
15:05 - 19:35SEA-LCY
20h 30m1 stop
Virgin Atlantic Logo
17:05 - 11:50LCY-SEA
26h 45m1 stop
£482Virgin Atlantic
Find Deal
ma., 8 des. - ma., 15 des.
Virgin Atlantic Logo
07:20 - 07:15SEA-LCY
15h 55m2 stops
Virgin Atlantic Logo
17:05 - 11:50LCY-SEA
26h 45m1 stop
£485Virgin Atlantic
Find Deal
ti., 9 des. - ma., 15 des.
Delta Logo
15:05 - 16:35SEA-LCY
17h 30m1 stop
Delta Logo
08:40 - 11:50LCY-SEA
35h 10m1 stop
£486Delta
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sø., 7 des. - ma., 15 des.
Multiple Airlines Logo
10:53 - 12:55SEA-LCY
18h 02m2 stops
Multiple Airlines Logo
09:55 - 00:50LCY-SEA
22h 55m2 stops
£498Multiple Airlines
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ma., 24 nov. - fr., 5 des.
Multiple Airlines Logo
10:53 - 12:55SEA-LCY
18h 02m2 stops
Multiple Airlines Logo
09:50 - 22:46LCY-SEA
20h 56m2 stops
£504Multiple Airlines
Find Deal
ti., 11 nov. - ti., 18 nov.
Delta Logo
16:00 - 16:35SEA-LCY
17h 35m1 stop
Delta Logo
09:20 - 15:50LCY-SEA
14h 30m1 stop
£505Delta
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on., 25 mar. - on., 8 apr.
Lufthansa Logo
15:00 - 17:35SEA-LCY
19h 35m1 stop
Lufthansa Logo
09:15 - 19:18LCY-SEA
18h 03m2 stops
£507Lufthansa
Find Deal
ti., 24 mar. - on., 1 apr.
KLM Logo
14:05 - 11:40SEA-LCY
13h 35m1 stop
KLM Logo
10:00 - 15:50LCY-SEA
13h 50m1 stop
£542KLM
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fr., 24 apr. - to., 7 mai
Lufthansa Logo
14:00 - 17:40SEA-LCY
19h 40m1 stop
Lufthansa Logo
18:15 - 12:10LCY-SEA
25h 55m1 stop
£569Lufthansa
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to., 1 jan. - to., 8 jan.

Virgin Atlantic flights from Seattle to London City Airport

Our best Virgin Atlantic deals on Seattle to London City Airport flight tickets
Virgin Atlantic
8 Dec
SEA15:05Seattle/Tacoma Intl
20h 30m
1 stop
LCY19:35London City
15 Dec
LCY17:05London City
26h 45m
1 stop
SEA11:50Seattle/Tacoma Intl
£482
Find similar
Virgin Atlantic
9 Dec
SEA07:20Seattle/Tacoma Intl
15h 55m
2 stops
LCY07:15London City
15 Dec
LCY17:05London City
26h 45m
1 stop
SEA11:50Seattle/Tacoma Intl
£485
Find similar
Virgin Atlantic
8 Feb
SEA15:05Seattle/Tacoma Intl
18h 15m
1 stop
LCY17:20London City
18 Feb
LCY17:50London City
25h 50m
1 stop
SEA11:40Seattle/Tacoma Intl
£488
Find similar

Delta flights from Seattle to London City Airport

Our best Delta deals on Seattle to London City Airport flight tickets
Delta
7 Dec
SEA15:05Seattle/Tacoma Intl
17h 30m
1 stop
LCY16:35London City
15 Dec
LCY08:40London City
35h 10m
1 stop
SEA11:50Seattle/Tacoma Intl
£486
Find similar
Delta
25 Mar
SEA16:00Seattle/Tacoma Intl
17h 35m
1 stop
LCY16:35London City
8 Apr
LCY09:20London City
14h 30m
1 stop
SEA15:50Seattle/Tacoma Intl
£505
Find similar
Delta
5 Apr
SEA17:35Seattle/Tacoma Intl
30h 35m
1 stop
LCY08:10London City
11 Apr
LCY12:10London City
59h 17m
2 stops
SEA15:27Seattle/Tacoma Intl
£555
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to London City Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 31 oktober 2025.
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

ti. 10/2

10:58-08:40

2 stops37h 42m

London City

on. 18/2

09:20-22:43

2 stops21h 23m

£472

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

ma. 8/12

15:05-19:35

1 stop20h 30m

London City

ma. 15/12

17:05-11:50

1 stop26h 45m

£482

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

ti. 9/12

07:20-07:15

2 stops15h 55m

London City

ma. 15/12

17:05-11:50

1 stop26h 45m

£485

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

sø. 7/12

15:05-16:35

1 stop17h 30m

London City

ma. 15/12

08:40-11:50

1 stop35h 10m

£486

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

ma. 24/11

10:53-12:55

2 stops18h 02m

London City

fr. 5/12

09:55-00:50

2 stops22h 55m

£498

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

ti. 11/11

10:53-12:55

2 stops18h 02m

London City

ti. 18/11

09:50-22:46

2 stops20h 56m

£504

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

on. 25/3

16:00-16:35

1 stop17h 35m

London City

on. 8/4

09:20-15:50

1 stop14h 30m

£505

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

ti. 24/3

15:00-17:35

1 stop19h 35m

London City

on. 1/4

09:15-19:18

2 stops18h 03m

£507

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

fr. 24/4

14:05-11:40

1 stop13h 35m

London City

to. 7/5

10:00-15:50

1 stop13h 50m

£542

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

to. 1/1

14:00-17:40

1 stop19h 40m

London City

to. 8/1

18:15-12:10

1 stop25h 55m

£569

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

Direct flights

None
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 13h 35m.

  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Ramsgate
Bedford
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.

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