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Cheap flights from London to St. Louis from £228

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 3/6. 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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Easily compare return flights from London to St. Louis

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to St. Louis by changing tabs
Multiple Airlines
17 Jun
LGW20:45London Gatwick
29h 16m
3 stops
STL20:01Lambert-St Louis
24 Jun
STL16:05Lambert-St Louis
20h 15m
2 stops
LGW18:20London Gatwick
Finnair
26 Sept
LHR12:30London Heathrow
16h 30m
1 stop
STL23:00Lambert-St Louis
29 Sept
STL18:58Lambert-St Louis
32h 07m
1 stop
LHR09:05London Heathrow
Air Canada
26 Sept
LHR12:40London Heathrow
14h 25m
2 stops
STL21:05Lambert-St Louis
29 Sept
STL12:00Lambert-St Louis
27h 00m
2 stops
LHR21:00London Heathrow
American Airlines
3 Jul
LGW12:20London Gatwick
26h 13m
2 stops
STL08:33Lambert-St Louis
11 Jul
STL11:05Lambert-St Louis
15h 05m
2 stops
LGW08:10London Gatwick
Lufthansa
23 Oct
LHR06:30London Heathrow
13h 00m
1 stop
STL13:30Lambert-St Louis
29 Oct
STL17:40Lambert-St Louis
11h 35m
1 stop
LHR10:15London Heathrow
United Airlines
18 Jun
LHR06:50London Heathrow
14h 51m
2 stops
STL15:41Lambert-St Louis
25 Jun
STL06:30Lambert-St Louis
17h 25m
1 stop
LHR05:55London Heathrow

Find the cheapest one-way flights from London to St. Louis

If you're looking for one-way flights from London to St. Louis, view some of our deals below provided by British Airways and Lufthansa
Multiple Airlines
3 Jun
LGW14:00London Gatwick
23h 08m
1 stop
STL07:08Lambert-St Louis
Multiple Airlines
3 Jun
LGW20:50London Gatwick
46h 15m
3 stops
STL13:05Lambert-St Louis
Multiple Airlines
15 Sept
LGW12:00London Gatwick
28h 18m
1 stop
STL10:18Lambert-St Louis

Search last-minute flights to St. Louis from London

Find and compare return flight prices for your last-minute flight from London to St. Louis
Finnair
24 May
LHR13:00London Heathrow
13h 55m
1 stop
STL20:55Lambert-St Louis
27 May
STL17:08Lambert-St Louis
13h 37m
1 stop
LHR12:45London Heathrow
Multiple Airlines
27 May
LGW14:00London Gatwick
29h 37m
1 stop
STL13:37Lambert-St Louis
1 Jun
STL11:39Lambert-St Louis
16h 21m
1 stop
LGW10:00London Gatwick
American Airlines
27 May
LGW12:20London Gatwick
17h 02m
2 stops
STL23:22Lambert-St Louis
1 Jun
STL16:20Lambert-St Louis
33h 50m
2 stops
LGW08:10London Gatwick
KLM
26 May
LHR08:20London Heathrow
21h 20m
2 stops
STL23:40Lambert-St Louis
31 May
STL09:59Lambert-St Louis
18h 31m
2 stops
LHR10:30London Heathrow
Lufthansa
24 May
LHR06:30London Heathrow
13h 00m
1 stop
STL13:30Lambert-St Louis
27 May
STL17:31Lambert-St Louis
12h 14m
1 stop
LHR11:45London Heathrow
United Airlines
24 May
LHR06:30London Heathrow
15h 11m
2 stops
STL15:41Lambert-St Louis
27 May
STL10:15Lambert-St Louis
15h 00m
2 stops
LHR07:15London Heathrow

Finnair flights from London to St. Louis

Our best Finnair deals on London to St. Louis flight tickets
Finnair
26 Sept
LHR12:30London Heathrow
16h 30m
1 stop
STL23:00Lambert-St Louis
29 Sept
STL18:58Lambert-St Louis
32h 07m
1 stop
LHR09:05London Heathrow
Finnair
5 Sept
LHR12:30London Heathrow
16h 30m
1 stop
STL23:00Lambert-St Louis
26 Sept
STL14:38Lambert-St Louis
10h 52m
1 stop
LHR07:30London Heathrow
Finnair
22 Oct
LHR11:05London Heathrow
12h 17m
1 stop
STL17:22Lambert-St Louis
31 Oct
STL14:41Lambert-St Louis
13h 39m
1 stop
LHR09:20London Heathrow

Air Canada flights from London to St. Louis

Our best Air Canada deals on London to St. Louis flight tickets
Air Canada
26 Sept
LHR12:40London Heathrow
14h 25m
2 stops
STL21:05Lambert-St Louis
29 Sept
STL12:00Lambert-St Louis
27h 00m
2 stops
LHR21:00London Heathrow
Air Canada
24 Jun
LHR09:30London Heathrow
16h 31m
2 stops
STL20:01Lambert-St Louis
8 Jul
STL16:05Lambert-St Louis
10h 30m
1 stop
LHR08:35London Heathrow
Air Canada
25 Oct
LHR14:05London Heathrow
13h 00m
1 stop
STL21:05Lambert-St Louis
2 Nov
STL16:10Lambert-St Louis
47h 25m
2 stops
LHR20:35London Heathrow

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?

November. The cheapest time of year to fly to St. Louis from London is November. 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 morning. London to St. Louis flights are approximately 8% more expensive in the evening than in the morning

What is the cheapest airline that flies to St. Louis from London?

Finnair. Air Canada, British Airways, and Finnair are the most popular carriers operating from London to St. Louis

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?

27 days before. The cheapest time to buy a flight from London to St. Louis is approximately 27 days to departure

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

£228

Fastest flight time

11h 31m

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 £228. The best return flight deal from London to St. Louis found on momondo in the last 72 hours is £432.
The fastest flight from London to St. Louis takes 11h 31m
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 31m, 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.


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 £464Free CancellationRating
7.0
6,943 reviews
Search Air Canada flights
United AirlinesPriceFrom £465Free CancellationRating
7.4
10,894 reviews
Search United Airlines flights
FinnairPriceFrom £470Free CancellationRating
7.7
1,373 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £471Free CancellationRating
7.7
733 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom £527Free CancellationRating
7.0
7,642 reviews
Search Lufthansa flights
IberiaPriceFrom £558Free CancellationRating
7.1
2,735 reviews
Search Iberia flights
American AirlinesPriceFrom £621Free CancellationRating
7.3
14,472 reviews
Search American Airlines flights
British AirwaysPriceFrom £633Free CancellationRating
6.8
6,824 reviews
Search British Airways flights
KLMPriceFrom £763Free CancellationRating
7.8
1,558 reviews
Search KLM 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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