Cheap flights from St. Louis to London from £287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to London departing on 23/3. 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.
Multiple Airlines Logo
16:05 - 17:40
STL
-
LCY
19h 35m
2 stops
Multiple Airlines Logo
09:50 - 15:29
LCY
-
STL
35h 39m
2 stops
£511Multiple Airlines
Wed, 18 Feb - Wed, 25 Feb
Multiple Airlines Logo
16:05 - 17:40
STL
-
LCY
19h 35m
2 stops
Multiple Airlines Logo
09:50 - 15:29
LCY
-
STL
35h 39m
2 stops
£518Multiple Airlines
Sun, 1 Feb - Tue, 10 Feb
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
09:15 - 21:08
LCY
-
STL
41h 53m
2 stops
£523Lufthansa
Sun, 3 May - Tue, 12 May
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
18:30 - 13:25
LCY
-
STL
24h 55m
1 stop
£531Lufthansa
Sun, 3 May - Tue, 12 May
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
18:30 - 21:08
LCY
-
STL
56h 38m
2 stops
£538Lufthansa
Sun, 3 May - Mon, 11 May
British Airways Logo
11:55 - 14:35
STL
-
LCY
20h 40m
2 stops
British Airways Logo
19:15 - 18:52
LCY
-
STL
29h 37m
2 stops
£546British Airways
Mon, 9 Feb - Mon, 16 Feb
Multiple Airlines Logo
16:05 - 12:55
STL
-
LCY
14h 50m
2 stops
Multiple Airlines Logo
09:50 - 15:29
LCY
-
STL
35h 39m
2 stops
£549Multiple Airlines
Wed, 18 Feb - Wed, 25 Feb
Delta Logo
06:32 - 16:40
STL
-
LCY
28h 08m
2 stops
Delta Logo
09:20 - 23:01
LCY
-
STL
19h 41m
2 stops
£565Delta
Wed, 6 May - Wed, 13 May
Delta Logo
13:40 - 16:40
STL
-
LCY
45h 00m
2 stops
Delta Logo
09:20 - 23:01
LCY
-
STL
19h 41m
2 stops
£570Delta
Tue, 5 May - Tue, 12 May
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
18:30 - 21:08
LCY
-
STL
32h 38m
2 stops
£576Lufthansa
Sun, 3 May - Sun, 10 May

Iberia flights from St. Louis to London City Airport

Our best Iberia deals on St. Louis to London City Airport flight tickets
Iberia
9 Feb
STL09:33Lambert-St Louis
41h 17m
2 stops
LCY08:50London City
25 Feb
LCY07:50London City
19h 22m
2 stops
STL21:12Lambert-St Louis
£593
Iberia
11 May
STL12:11Lambert-St Louis
22h 19m
2 stops
LCY16:30London City
19 May
LCY19:15London City
56h 19m
2 stops
STL21:34Lambert-St Louis
£633
Iberia
9 Feb
STL09:33Lambert-St Louis
41h 17m
2 stops
LCY08:50London City
16 Feb
LCY19:15London City
33h 49m
2 stops
STL23:04Lambert-St Louis
£656

British Airways flights from St. Louis to London City Airport

Our best British Airways deals on St. Louis to London City Airport flight tickets
British Airways
9 Feb
STL11:55Lambert-St Louis
20h 40m
2 stops
LCY14:35London City
16 Feb
LCY19:15London City
29h 37m
2 stops
STL18:52Lambert-St Louis
£546
British Airways
4 May
STL06:00Lambert-St Louis
44h 35m
2 stops
LCY08:35London City
12 May
LCY19:15London City
34h 33m
2 stops
STL23:48Lambert-St Louis
£581
British Airways
15 Mar
STL14:00Lambert-St Louis
19h 35m
2 stops
LCY14:35London City
25 Mar
LCY17:00London City
30h 07m
2 stops
STL18:07Lambert-St Louis
£676

momondo Fare Finder

 
Customise your flight search to find flights from St. Louis 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 22 January 2026.
Use the filters below to find and compare flights from St. Louis to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 18/2

16:05-17:40

2 stops19h 35m

London City

Wed 25/2

09:50-15:29

2 stops35h 39m

£511

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 1/2

16:05-17:40

2 stops19h 35m

London City

Tue 10/2

09:50-15:29

2 stops35h 39m

£518

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 3/5

15:30-17:55

1 stop20h 25m

London City

Tue 12/5

09:15-21:08

2 stops41h 53m

£523

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 3/5

15:30-17:55

1 stop20h 25m

London City

Tue 12/5

18:30-13:25

1 stop24h 55m

£531

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 3/5

15:30-17:55

1 stop20h 25m

London City

Mon 11/5

18:30-21:08

2 stops56h 38m

£538

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Mon 9/2

11:55-14:35

2 stops20h 40m

London City

Mon 16/2

19:15-18:52

2 stops29h 37m

£546

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 18/2

16:05-12:55

2 stops14h 50m

London City

Wed 25/2

09:50-15:29

2 stops35h 39m

£549

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 6/5

06:32-16:40

2 stops28h 08m

London City

Wed 13/5

09:20-23:01

2 stops19h 41m

£565

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 5/5

13:40-16:40

2 stops45h 00m

London City

Tue 12/5

09:20-23:01

2 stops19h 41m

£570

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 3/5

15:30-17:55

1 stop20h 25m

London City

Sun 10/5

18:30-21:08

2 stops32h 38m

£576

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 St. Louis 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 Lambert-St Louis to London City?

Lufthansa, United Airlines, and Aer Lingus are the most popular carriers operating from Lambert-St Louis to London City

When to book flights from St. Louis to London City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to London City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap St. Louis to London City Airport (STL to LCY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to London City Airport

Fastest flight time

11h 25m

Direct flights

None
The fastest flight from St. Louis to London City Airport takes 11h 25m
There are no direct flights from St. Louis to London City Airport. There are no popular flight routes from St. Louis to London City Airport.
  • How far is Lambert-St Louis to London City by plane?

    Lambert-St Louis and London City are 4204.2 mi apart from one another. A reasonable flight in good conditions will take 11h 25m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to London City Airport?

    Prices for flights from Lambert-St Louis Airport to London City Airport were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to London City Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis 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
Luton
Milton Keynes
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Bedford
Worthing
Ramsgate
Colchester
Folkestone
Winchester

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to London for you.

Can I find flights from St. Louis to London with flexible booking policies on momondo?

All flight searches from St. Louis to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to London?

momondo provides multiple filters to help you find the best flight to London from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Sat 21/2
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