Cheap flights from London to St Louis

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The best prices from London to St Louis are usually found in March or February, booked 49 days in advance, depart on a Tuesday or Monday and return on a Monday

Return
Economy
Thu 29/10
Thu 5/11
From
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To
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Leaving on
Thu 29/10
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To
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To
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To
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To
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Depart
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From
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To
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How to find the cheapest flight from
London (LON) to St Louis (STL)

LON - STL
Price
£493 - £775
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

July

High demand for flights, 24% potential price rise

Cheapest in

March

Best time to find cheap flights, 17% potential price drop

Round-trip from

£493

From London to St Louis

One-way from

£358

One-way flight from London to St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to St Louis?

Flights from London to St Louis are generally found to be more expensive on Saturday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St Louis.

How far in advance should I book a flight from London to St Louis?

Travellers have found it’s best to book a flight 48 days in advance to save up to 0% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to St Louis 1-2 weeks in advance for as low as £575, or £575 for flights within the next 24 hours.

What is the cheapest month to fly from London to St Louis?

Our data shows that March tends to be the cheapest month to fly to St Louis from London. Users have commonly found prices around £591 for the month, but tickets can be as low as £410. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from London to St Louis (LON - STL)?

It’s typically best to fly out from London to St Louis in the evening. Doing so could potentially save you 17% on the flight price compared to flying at midday, which is usually more expensive.

Cheap flights from London to St Louis in October, November 2020

The best prices found for LON to STL flights in October, November
14 Nov - 29 Nov
£472pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
23 Nov - 27 Nov
£474pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
16 Nov - 20 Nov
£477pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow

London to St Louis 2020 flight deals

Cheap flights to St Louis from London found for this year
9 Dec - 17 Dec
£448pp
LGW
London Gatwick
Multiple airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
14 Nov - 29 Nov
£472pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
23 Nov - 27 Nov
£474pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow

Last-minute flights from London to St Louis

Late deals on return flights to St Louis from London, departing today and this week
28 Oct - 3 Nov
£482pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
28 Oct - 3 Nov
£487pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
28 Oct - 3 Nov
£623pp
LHR
London Heathrow
Lufthansa
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow

One-way flights to St Louis from London

The cheapest one-way flights from London to St Louis
08:25 - 13:31
WestJet
2 stops
35h 06m
LGW - STL
WestJet
06:35 - 04:07
Multiple Airlines
2 stops
27h 32m
LGW - STL
Multiple Airlines
£419
Kiwi.com
01:30 - 16:37
Delta
2 stops
21h 07m
LHR - STL
Delta
£486
Delta

Related info for your journey

Useful info, stats and facts about London to St Louis flights.

Flight FAQs

From London to St Louis

Are flight prices decreasing from London to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London to Lambert-St Louis have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and British Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from London to St Louis for under £459 on Cheapflights?

Yes, there are multiple flights from London to St Louis for under £459. The cheapest flight booked recently is on Multiple Airlines for just £448, but on average you can expect to pay £512.

Are there direct flights from London to St Louis for under £459 on Cheapflights?

There are no direct flights from London to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from London to St Louis for under £536?

There are currently 6+ open flights from London to St Louis within the next 7 days for less than £536.

Is London weather warmer or cooler than St Louis?

Temperatures around the 32 °Cs can be experienced in July. The weather in St Louis is hotter than in London. Plan for potential changes in flight availability as peak weather approaches in this location.

How long does is the flight from London to St Louis?

There are many flights that can get you from London to St Louis in 11h 08m. Fly via Lufthansa, American Airlines, or United Airlines to get the fastest option. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from London to St Louis return?

Flying on Lufthansa is currently your cheapest option to St Louis, with prices starting at £473. Additional return tickets that might be worth considering are offered by Finnair and American Airlines, with the lowest prices starting at £479 and £525, respectively. Lufthansa is priced at 20% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London to St Louis one-way?

£359 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Delta, with prices from £450.

Alternative routes for London to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from London to St Louis
Today's exchange rate
£1 = $1.31
Average temperature for October in St Louis
22.0 °C
Avg rainfall for October in St Louis
71.0 mm

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing St. Louis

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