Cheap flights from St. Louis to London from £260

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 15/9. 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
1 adult, Economy, 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
12:20 - 17:55
STL
-
LCY
23h 35m
2 stops
Lufthansa Logo
09:50 - 00:34
LCY
-
STL
19h 44m
2 stops
£810Lufthansa
Wed, 21 Oct - Wed, 28 Oct
Multiple Airlines Logo
16:15 - 12:50
STL
-
LCY
14h 35m
2 stops
Multiple Airlines Logo
09:50 - 15:30
LCY
-
STL
35h 40m
2 stops
£817Multiple Airlines
Tue, 1 Dec - Mon, 7 Dec
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
18:30 - 13:25
LCY
-
STL
24h 55m
1 stop
£819Lufthansa
Tue, 8 Sep - Sun, 13 Sep
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m
2 stops
£823Lufthansa
Tue, 11 Aug - Fri, 21 Aug
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m
2 stops
£824Lufthansa
Tue, 11 Aug - Fri, 21 Aug
Lufthansa Logo
15:40 - 09:15
STL
-
LCY
11h 35m
1 stop
Lufthansa Logo
09:50 - 22:54
LCY
-
STL
19h 04m
2 stops
£825Lufthansa
Sun, 13 Dec - Mon, 21 Dec
Lufthansa Logo
12:27 - 17:55
STL
-
LCY
23h 28m
2 stops
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m
2 stops
£827Lufthansa
Tue, 11 Aug - Fri, 21 Aug
Lufthansa Logo
12:27 - 17:55
STL
-
LCY
23h 28m
2 stops
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m
2 stops
£828Lufthansa
Tue, 11 Aug - Fri, 21 Aug
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
09:15 - 22:59
LCY
-
STL
19h 44m
2 stops
£831Lufthansa
Wed, 2 Sep - Fri, 11 Sep
Lufthansa Logo
15:40 - 09:15
STL
-
LCY
11h 35m
1 stop
Lufthansa Logo
09:50 - 22:54
LCY
-
STL
19h 04m
2 stops
£842Lufthansa
Sun, 13 Dec - Wed, 23 Dec

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Aer Lingus flights from St. Louis to London City Airport

Our best Aer Lingus deals on St. Louis to London City Airport flight tickets
Aer Lingus
6 Sept
STL09:31Lambert-St Louis
17h 04m
2 stops
LCY08:35London City
16 Sept
LCY13:45London City
15h 35m
2 stops
STL23:20Lambert-St Louis
£992
Aer Lingus
8 Sept
STL06:00Lambert-St Louis
20h 35m
2 stops
LCY08:35London City
16 Sept
LCY13:45London City
15h 35m
2 stops
STL23:20Lambert-St Louis
£1,019
Aer Lingus
8 Sept
STL09:31Lambert-St Louis
17h 04m
2 stops
LCY08:35London City
16 Sept
LCY13:45London City
15h 35m
2 stops
STL23:20Lambert-St Louis
£1,040

Lufthansa flights from St. Louis to London City Airport

Our best Lufthansa deals on St. Louis to London City Airport flight tickets
Lufthansa
21 Oct
STL12:20Lambert-St Louis
23h 35m
2 stops
LCY17:55London City
28 Oct
LCY09:50London City
19h 44m
2 stops
STL00:34Lambert-St Louis
£810
Lufthansa
8 Sept
STL15:30Lambert-St Louis
20h 25m
1 stop
LCY17:55London City
13 Sept
LCY18:30London City
24h 55m
1 stop
STL13:25Lambert-St Louis
£819
Lufthansa
11 Aug
STL15:30Lambert-St Louis
20h 25m
1 stop
LCY17:55London City
21 Aug
LCY09:15London City
19h 44m
2 stops
STL22:59Lambert-St Louis
£823

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 18 June 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

Cheapest return flight

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 21/10

12:20-17:55

2 stops23h 35m

London City

Wed 28/10

09:50-00:34

2 stops19h 44m

£810

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 1/12

16:15-12:50

2 stops14h 35m

London City

Mon 7/12

09:50-15:30

2 stops35h 40m

£817

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 8/9

15:30-17:55

1 stop20h 25m

London City

Sun 13/9

18:30-13:25

1 stop24h 55m

£819

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 11/8

15:30-17:55

1 stop20h 25m

London City

Fri 21/8

09:15-22:59

2 stops19h 44m

£823

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 11/8

15:30-17:55

1 stop20h 25m

London City

Fri 21/8

09:15-22:59

2 stops19h 44m

£824
Fastest return journey

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 13/12

15:40-09:15

1 stop11h 35m

London City

Mon 21/12

09:50-22:54

2 stops19h 04m

£825

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 11/8

12:27-17:55

2 stops23h 28m

London City

Fri 21/8

09:15-22:59

2 stops19h 44m

£827

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 11/8

12:27-17:55

2 stops23h 28m

London City

Fri 21/8

09:15-22:59

2 stops19h 44m

£828

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 2/9

15:30-17:55

1 stop20h 25m

London City

Fri 11/9

09:15-22:59

2 stops19h 44m

£831

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 13/12

15:40-09:15

1 stop11h 35m

London City

Wed 23/12

09:50-22:54

2 stops19h 04m

£842

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?

Delta is the most popular carrier 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 35m

Direct flights

None
The fastest flight from St. Louis to London City Airport takes 11h 35m
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.

Frequently asked questions about flying 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 35m.

  • 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
Wembley
Milton Keynes
Gatwick
Luton
Slough
Southend-on-Sea
Maidstone
Ipswich
Ilford
Canterbury
Folkestone
Guildford
Hayes
Bedford
Chichester
Dover
Harlow
Chelmsford
Colchester

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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