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Cheap flights from St. Louis to London from £264

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 14/1. 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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Find the cheapest flights from St. Louis to London

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
15:30 - 18:35
STL
-
LCY
21h 05m1 stop
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m2 stops
£499Lufthansa
Wed, 1 Apr - Tue, 7 Apr
Lufthansa Logo
11:45 - 18:35
STL
-
LCY
24h 50m2 stops
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m2 stops
£502Lufthansa
Tue, 31 Mar - Wed, 8 Apr
Lufthansa Logo
11:45 - 18:35
STL
-
LCY
24h 50m2 stops
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m2 stops
£502Lufthansa
Tue, 31 Mar - Wed, 8 Apr
Multiple Airlines Logo
16:05 - 12:55
STL
-
LCY
14h 50m2 stops
Multiple Airlines Logo
09:50 - 15:29
LCY
-
STL
35h 39m2 stops
£509Multiple Airlines
Tue, 13 Jan - Tue, 20 Jan
Multiple Airlines Logo
16:05 - 17:05
STL
-
LCY
19h 00m2 stops
Multiple Airlines Logo
17:45 - 15:29
LCY
-
STL
51h 44m2 stops
£516Multiple Airlines
Tue, 3 Feb - Mon, 9 Feb
Multiple Airlines Logo
18:40 - 09:05
STL
-
LCY
32h 25m2 stops
Multiple Airlines Logo
09:15 - 15:29
LCY
-
STL
36h 14m2 stops
£523Multiple Airlines
Tue, 20 Jan - Tue, 27 Jan
Multiple Airlines Logo
16:05 - 12:55
STL
-
LCY
15h 50m2 stops
Multiple Airlines Logo
18:15 - 23:51
LCY
-
STL
34h 36m2 stops
£542Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Lufthansa Logo
12:44 - 09:20
STL
-
LCY
14h 36m2 stops
Lufthansa Logo
09:50 - 23:59
LCY
-
STL
20h 09m2 stops
£556Lufthansa
Thu, 15 Jan - Tue, 20 Jan
Multiple Airlines Logo
16:05 - 18:35
STL
-
LCY
44h 30m2 stops
Multiple Airlines Logo
09:15 - 15:24
LCY
-
STL
36h 09m2 stops
£571Multiple Airlines
Wed, 1 Apr - Tue, 7 Apr
Multiple Airlines Logo
16:05 - 12:55
STL
-
LCY
14h 50m2 stops
Multiple Airlines Logo
09:50 - 15:29
LCY
-
STL
34h 39m2 stops
£591Multiple Airlines
Sun, 1 Mar - Mon, 9 Mar

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
8 Dec
STL14:04Lambert-St Louis
14h 46m
2 stops
LCY10:50London City
15 Dec
LCY07:15London City
19h 23m
2 stops
STL20:38Lambert-St Louis
£606
Find similar
British Airways
1 Jan
STL13:59Lambert-St Louis
24h 01m
2 stops
LCY20:00London City
29 Jan
LCY07:50London City
20h 54m
2 stops
STL22:44Lambert-St Louis
£614
Find similar
British Airways
6 Jan
STL15:54Lambert-St Louis
44h 36m
2 stops
LCY18:30London City
13 Jan
LCY19:15London City
33h 57m
2 stops
STL23:12Lambert-St Louis
£628
Find similar

Lufthansa flights from St. Louis to London City Airport

Our best Lufthansa deals on St. Louis to London City Airport flight tickets
Lufthansa
1 Apr
STL15:30Lambert-St Louis
21h 05m
1 stop
LCY18:35London City
7 Apr
LCY09:15London City
19h 44m
2 stops
STL22:59Lambert-St Louis
£499
Find similar
Lufthansa
31 Mar
STL11:45Lambert-St Louis
24h 50m
2 stops
LCY18:35London City
8 Apr
LCY09:15London City
19h 44m
2 stops
STL22:59Lambert-St Louis
£502
Find similar
Lufthansa
31 Mar
STL11:45Lambert-St Louis
24h 50m
2 stops
LCY18:35London City
8 Apr
LCY09:15London City
19h 44m
2 stops
STL22:59Lambert-St Louis
£502
Find similar

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 8 December 2025.
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 1/4

15:30-18:35

1 stop21h 05m

London City

Tue 7/4

09:15-22:59

2 stops19h 44m

£499

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 31/3

11:45-18:35

2 stops24h 50m

London City

Wed 8/4

09:15-22:59

2 stops19h 44m

£502

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 31/3

11:45-18:35

2 stops24h 50m

London City

Wed 8/4

09:15-22:59

2 stops19h 44m

£502

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 13/1

16:05-12:55

2 stops14h 50m

London City

Tue 20/1

09:50-15:29

2 stops35h 39m

£509

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 3/2

16:05-17:05

2 stops19h 00m

London City

Mon 9/2

17:45-15:29

2 stops51h 44m

£516

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 20/1

18:40-09:05

2 stops32h 25m

London City

Tue 27/1

09:15-15:29

2 stops36h 14m

£523

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 17/3

16:05-12:55

2 stops15h 50m

London City

Tue 24/3

18:15-23:51

2 stops34h 36m

£542

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Thu 15/1

12:44-09:20

2 stops14h 36m

London City

Tue 20/1

09:50-23:59

2 stops20h 09m

£556

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 1/4

16:05-18:35

2 stops44h 30m

London City

Tue 7/4

09:15-15:24

2 stops36h 09m

£571

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 1/3

16:05-12:55

2 stops14h 50m

London City

Mon 9/3

09:50-15:29

2 stops34h 39m

£591

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.
Search flight deals

  • 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 15m.

  • 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.

  • How do I get Price Alerts for flights from St. Louis to London City Airport?

    Price Alerts will notify you by email when the price for flights to London City Airport from St. Louis decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from St. Louis to London City Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near London?

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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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