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Cheap flights from London to St. Louis from £283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to St. Louis departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to St. Louis

Cheap return flights

These are some of the best return flight deals from London to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to St. Louis.

Cheap last-minute flights

Planning a quick getaway from London to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to St. Louis

Find recent round-trip train or bus tickets from London to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
14:00 - 23:31LGW-STL
15h 31m1 stop
17:05 - 10:00STL-LGW
34h 55m1 stop
Thu, 23 Jan - Sun, 26 Jan
14:00 - 23:31LGW-STL
15h 31m1 stop
20:31 - 10:00STL-LGW
31h 29m2 stops
Thu, 23 Jan - Sun, 26 Jan
12:35 - 23:57LHR-STL
17h 22m1 stop
14:15 - 12:00STL-LHR
15h 45m1 stop
£607Finnair
Find Deal
Wed, 4 Dec - Wed, 11 Dec
11:45 - 23:26LHR-STL
16h 41m1 stop
14:15 - 12:00STL-LHR
16h 45m1 stop
£616Finnair
Find Deal
Mon, 10 Mar - Sun, 23 Mar
06:30 - 13:55LHR-STL
13h 25m1 stop
08:25 - 07:10STL-LHR
16h 45m2 stops
£834Lufthansa
Find Deal
Sun, 16 Feb - Wed, 26 Feb
11:55 - 22:09LHR-STL
16h 14m1 stop
14:57 - 10:20STL-LHR
13h 23m1 stop
£844British Airways
Find Deal
Sun, 12 Jan - Thu, 8 May
15:10 - 23:28LHR-STL
14h 18m1 stop
17:40 - 11:15STL-LHR
11h 35m1 stop
£852Lufthansa
Find Deal
Sat, 7 Dec - Wed, 11 Dec
09:10 - 20:56LHR-STL
17h 46m2 stops
14:18 - 09:40STL-LHR
13h 22m2 stops
£866Virgin Atlantic
Find Deal
Sun, 12 Jan - Thu, 8 May
09:20 - 20:49LCY-STL
16h 29m2 stops
19:11 - 17:20STL-LCY
16h 09m2 stops
£866Virgin Atlantic
Find Deal
Mon, 10 Mar - Sun, 30 Mar
08:20 - 19:30LHR-STL
17h 10m1 stop
11:41 - 07:20STL-LHR
13h 39m1 stop
£943British Airways
Find Deal
Sat, 4 Jan - Sat, 11 Jan
14:00 - 14:43LGW-STL
30h 43m2 stops
Mon, 13 Jan
14:00 - 23:27LGW-STL
15h 27m1 stop
Mon, 13 Jan
14:00 - 23:24LGW-STL
15h 24m1 stop
Thu, 12 Dec
12:00 - 14:34LGW-STL
32h 34m2 stops
Thu, 12 Dec
14:10 - 22:09LHR-STL
13h 59m1 stop
£672Iberia
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Mon, 13 Jan
12:15 - 18:04LHR-STL
11h 49m1 stop
£673Iberia
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Sun, 13 Apr
10:50 - 23:43LHR-STL
18h 53m1 stop
£785Virgin Atlantic
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Tue, 17 Dec
17:50 - 13:55LHR-STL
26h 05m3 stops
£811Lufthansa
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Sat, 14 Dec
15:45 - 22:28LHR-STL
12h 43m1 stop
£1,258British Airways
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Sun, 5 Jan
13:50 - 22:33LHR-STL
14h 43m1 stop
£2,222British Airways
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Thu, 12 Dec
06:40 - 23:41LHR-STL
23h 01m2 stops
10:14 - 16:00STL-LHR
23h 46m2 stops
£1,025Scandinavian Airlines
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Sat, 23 Nov - Fri, 29 Nov
12:00 - 00:06LGW-STL
42h 06m2 stops
06:35 - 07:30STL-LGW
18h 55m1 stop
£1,072
Find Deal
Sun, 24 Nov - Tue, 26 Nov
16:55 - 14:25LGW-STL
27h 30m2 stops
15:20 - 21:30STL-LGW
24h 10m2 stops
£1,078
Find Deal
Sat, 23 Nov - Fri, 29 Nov
10:25 - 12:10LHR-STL
31h 45m3 stops
13:00 - 17:20STL-LHR
22h 20m3 stops
£1,083
Find Deal
Sun, 24 Nov - Tue, 26 Nov
16:30 - 21:36LGW-STL
35h 06m3 stops
13:00 - 10:55STL-LGW
15h 55m3 stops
£1,090
Find Deal
Sun, 24 Nov - Tue, 26 Nov
06:00 - 11:30LHR-STL
35h 30m3 stops
06:30 - 12:50STL-LHR
24h 20m2 stops
£1,127
Find Deal
Sun, 24 Nov - Tue, 26 Nov
06:30 - 16:33LHR-STL
16h 03m2 stops
06:00 - 07:55STL-LHR
19h 55m1 stop
£1,152Delta
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Sat, 23 Nov - Fri, 29 Nov
14:10 - 20:15LHR-STL
12h 05m1 stop
17:19 - 06:50STL-LHR
31h 31m1 stop
£1,995British Airways
Find Deal
Sun, 24 Nov - Tue, 26 Nov
17:15 - 17:15LCY-STL
30h 00m2 stops
13:05 - 16:40STL-LCY
21h 35m2 stops
£3,846Lufthansa
Find Deal
Sun, 24 Nov - Tue, 26 Nov
09:10 - 18:15LHR-STL
15h 05m1 stop
11:50 - 06:55STL-LHR
13h 05m2 stops
£6,584Virgin Atlantic
Find Deal
Sun, 24 Nov - Thu, 28 Nov

Air Canada flights from London to St. Louis

Our best Air Canada deals on London to St. Louis flight tickets
Air Canada
5 Jan
LHR15:00London Heathrow
30h 06m
2 stops
STL15:06Lambert-St Louis
12 Jan
STL15:50Lambert-St Louis
32h 40m
1 stop
LHR06:30London Heathrow
Air Canada
26 Dec
LHR14:30London Heathrow
30h 36m
1 stop
STL15:06Lambert-St Louis
31 Dec
STL15:50Lambert-St Louis
10h 40m
1 stop
LHR08:30London Heathrow

British Airways flights from London to St. Louis

Our best British Airways deals on London to St. Louis flight tickets
British Airways
12 Jan
LHR11:55London Heathrow
16h 14m
1 stop
STL22:09Lambert-St Louis
8 May
STL14:57Lambert-St Louis
13h 23m
1 stop
LHR10:20London Heathrow
British Airways
4 Jan
LHR08:20London Heathrow
17h 10m
1 stop
STL19:30Lambert-St Louis
11 Jan
STL11:41Lambert-St Louis
13h 39m
1 stop
LHR07:20London Heathrow
British Airways
30 Nov
LHR08:15London Heathrow
19h 44m
2 stops
STL21:59Lambert-St Louis
7 Dec
STL14:30Lambert-St Louis
11h 45m
1 stop
LHR08:15London Heathrow

See travel insights to St. Louis from

How to get the cheapest flight ticket from London to St. Louis

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 month to fly from London to St. Louis?

January. The cheapest time of year to fly to St. Louis from London is January. The most expensive is August.

What is the cheapest day to depart London for St. Louis?

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Sunday.

When is the cheapest time to fly from London to St. Louis?

In the evening. London to St. Louis flights are approximately 13% more expensive in the morning than in the evening

What is the cheapest London to St. Louis flight route?

London Gatwick - Lambert-St Louis. Fly from London Gatwick to Lambert-St Louis for the best London - St. Louis flight prices

How far in advance should you book London to St. Louis flights?

19 days before. The cheapest time to buy a flight from London to St. Louis is approximately 19 days to departure

Can stopping save me money on London to St. Louis flights?

You could potentially save up to 15% on your flight if you consider stops on a London to St. Louis flight.

How have London to St. Louis flight prices changed over time?

As of November 2024, prices for London to St. Louis flights are approximately 9% more expensive when compared to flights at the same time last year.

What is the typical price of a round-trip flight between London and St. Louis?


When to book flights from London to St. Louis

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

Cheap London to St. Louis (LON to STL) flight deals and tips

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

Best price found

£283

Fastest flight time

11h 49m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from London in the past 72 hours is £283. The best return flight deal from London to St. Louis found on momondo in the last 72 hours is £387.
The fastest flight from London to St. Louis takes 11h 49m
There are no direct flights from London to St. Louis. Popular non-direct routes for this connection are London Heathrow Airport - Lambert-St Louis Airport, London Gatwick Airport - Lambert-St Louis Airport and London Stansted Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is London to Lambert-St Louis by plane?

    The distance between London and Lambert-St Louis is about 4197.7 mi. Flights usually cover this in 11h 53m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from London to Lambert-St Louis Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to St. Louis?


Best airlines flying from London to St. Louis

Compare and see reviews for airlines that fly from London to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £460Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
United AirlinesPriceFrom £470Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £470Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £496Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
IberiaPriceFrom £560Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
British AirwaysPriceFrom £630Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
LufthansaPriceFrom £700Free CancellationRating
6.8
7,148 reviews
Search Lufthansa flights

Why use momondo?

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

Finding the right flight to St. Louis from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for London to St. Louis flights to just show those with flexible booking policies.

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

Once you have performed a search for London to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.


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