Cheap flights from St. Louis to London from £249

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
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.
Delta Logo
13:30 - 08:50
STL
-
LCY
13h 20m
2 stops
Delta Logo
09:20 - 20:50
LCY
-
STL
17h 30m
2 stops
£663Delta
Wed, 2 Sep - Fri, 11 Sep
Delta Logo
13:30 - 08:50
STL
-
LCY
13h 20m
2 stops
Delta Logo
09:20 - 20:50
LCY
-
STL
17h 30m
2 stops
£664Delta
Wed, 2 Sep - Fri, 11 Sep
Delta Logo
10:45 - 07:55
STL
-
LCY
15h 10m
2 stops
Delta Logo
10:00 - 20:50
LCY
-
STL
16h 50m
2 stops
£715Delta
Wed, 2 Sep - Fri, 11 Sep
Delta Logo
10:45 - 07:55
STL
-
LCY
15h 10m
2 stops
Delta Logo
10:00 - 20:50
LCY
-
STL
16h 50m
2 stops
£716Delta
Wed, 2 Sep - Fri, 11 Sep
Delta Logo
16:13 - 11:40
STL
-
LCY
13h 27m
2 stops
Delta Logo
10:00 - 20:50
LCY
-
STL
16h 50m
2 stops
£737Delta
Fri, 11 Sep - Sat, 19 Sep
Delta Logo
14:18 - 09:30
STL
-
LCY
13h 12m
2 stops
Delta Logo
10:00 - 20:50
LCY
-
STL
16h 50m
2 stops
£737Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
14:18 - 09:30
STL
-
LCY
13h 12m
2 stops
Delta Logo
08:40 - 20:37
LCY
-
STL
17h 57m
2 stops
£752Delta
Tue, 25 Aug - Sat, 12 Dec
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
09:15 - 23:00
LCY
-
STL
19h 45m
2 stops
£764Lufthansa
Wed, 19 Aug - Fri, 28 Aug
Lufthansa Logo
15:30 - 17:55
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
09:15 - 23:00
LCY
-
STL
19h 45m
2 stops
£765Lufthansa
Tue, 1 Sep - Thu, 10 Sep
Lufthansa Logo
18:55 - 17:55
STL
-
LCY
17h 00m
2 stops
Lufthansa Logo
09:15 - 23:00
LCY
-
STL
19h 45m
2 stops
£768Lufthansa
Tue, 1 Sep - Thu, 10 Sep

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KLM flights from St. Louis to London City Airport

Our best KLM deals on St. Louis to London City Airport flight tickets
KLM
27 Oct
STL11:51Lambert-St Louis
14h 24m
2 stops
LCY07:15London City
1 Nov
LCY13:45London City
15h 33m
2 stops
STL23:18Lambert-St Louis
£745
KLM
15 May
STL11:25Lambert-St Louis
14h 30m
2 stops
LCY07:55London City
6 Jun
LCY08:25London City
18h 44m
2 stops
STL21:09Lambert-St Louis
£1,035
KLM
15 May
STL11:25Lambert-St Louis
16h 05m
2 stops
LCY09:30London City
6 Jun
LCY08:25London City
18h 44m
2 stops
STL21:09Lambert-St Louis
£1,036

Lufthansa flights from St. Louis to London City Airport

Our best Lufthansa deals on St. Louis to London City Airport flight tickets
Lufthansa
19 Aug
STL15:30Lambert-St Louis
20h 25m
1 stop
LCY17:55London City
28 Aug
LCY09:15London City
19h 45m
2 stops
STL23:00Lambert-St Louis
£764
Lufthansa
1 Sept
STL15:30Lambert-St Louis
20h 25m
1 stop
LCY17:55London City
10 Sept
LCY09:15London City
19h 45m
2 stops
STL23:00Lambert-St Louis
£765
Lufthansa
1 Sept
STL18:55Lambert-St Louis
17h 00m
2 stops
LCY17:55London City
10 Sept
LCY09:15London City
19h 45m
2 stops
STL23:00Lambert-St Louis
£768

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 1 May 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 2/9

13:30-08:50

2 stops13h 20m

London City

Fri 11/9

09:20-20:50

2 stops17h 30m

£663

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 2/9

13:30-08:50

2 stops13h 20m

London City

Fri 11/9

09:20-20:50

2 stops17h 30m

£664

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 2/9

10:45-07:55

2 stops15h 10m

London City

Fri 11/9

10:00-20:50

2 stops16h 50m

£715

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 2/9

10:45-07:55

2 stops15h 10m

London City

Fri 11/9

10:00-20:50

2 stops16h 50m

£716

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Fri 11/9

16:13-11:40

2 stops13h 27m

London City

Sat 19/9

10:00-20:50

2 stops16h 50m

£737
Fastest return journey

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Thu 27/8

14:18-09:30

2 stops13h 12m

London City

Mon 31/8

10:00-20:50

2 stops16h 50m

£737

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 25/8

14:18-09:30

2 stops13h 12m

London City

Sat 12/12

08:40-20:37

2 stops17h 57m

£752

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 19/8

15:30-17:55

1 stop20h 25m

London City

Fri 28/8

09:15-23:00

2 stops19h 45m

£764

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 1/9

15:30-17:55

1 stop20h 25m

London City

Thu 10/9

09:15-23:00

2 stops19h 45m

£765

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 1/9

18:55-17:55

2 stops17h 00m

London City

Thu 10/9

09:15-23:00

2 stops19h 45m

£768

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 and United Airlines 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

13h 20m

Direct flights

None
The fastest flight from St. Louis to London City Airport takes 13h 20m
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 13h 20m.

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

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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