Cheap flights from London to Lambert-St Louis Intl

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St. Louis (STL)
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The best prices from London to Lambert-St Louis Intl are usually found in January or September, booked 56 days in advance, depart on a Tuesday or Friday and return on a Monday

How to find the cheapest flight from
London (LON) to Lambert-St Louis Intl (STL)

All the information you need to plan the best LON to STL flight in 2021: compare London to Lambert-St Louis Intl flight prices with the expected peak season, weather and rainfall in Lambert-St Louis Intl.
LON - STL
Price
£491 - £742
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

July

High demand for flights, 21% potential price rise

Cheapest in

January

Best time to find cheap flights, 16% potential price drop

Round-trip from

£491

From London to Lambert-St Louis Intl

One-way from

£311

One-way flight from London to Lambert-St Louis Intl

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 Lambert-St Louis Intl?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Lambert-St Louis Intl. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 14% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London to Lambert-St Louis Intl from £608 1-2 weeks out and tickets from £651 for flights departing within the next 72 hours.

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

It’s typically best to fly out from London to Lambert-St Louis Intl in the evening. Doing so could potentially save you 15% on the flight price compared to flying at midday, which is usually more expensive.

Cheap flights from London to Lambert-St Louis Intl in April, May 2021

The best prices found for LON to STL flights in April, May
14 May - 13 Aug
£356pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
14 May - 13 Aug
£370pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
14 May - 13 Aug
£373pp
LHR
London Heathrow
Lufthansa
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
   
2 STOPS
LHR
London Heathrow

London to Lambert-St Louis Intl 2021 flight deals

Cheap flights to Lambert-St Louis Intl from London found for this year
9 Sep - 28 Oct
£335pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Austrian Airlines
 
1 STOP
LHR
London Heathrow
29 Sep - 9 Oct
£336pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
   
2 STOPS
LHR
London Heathrow
9 Sep - 28 Oct
£337pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
LHR
London Heathrow

Last-minute flights from London to Lambert-St Louis Intl

Late deals on return flights to Lambert-St Louis Intl from London, departing today and this week
29 Apr - 7 Jul
£493pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow
29 Apr - 21 Jul
£495pp
LHR
London Heathrow
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
LHR
London Heathrow
28 Apr - 16 Jul
£495pp
LHR
London Heathrow
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
LHR
London Heathrow

One-way flights to Lambert-St Louis Intl from Lambert-St Louis Intl

The cheapest one-way flights from London to Lambert-St Louis Intl
10:00 - 14:31
WestJet
2 stops
34h 31m
LGW - STL
WestJet
06:00 - 11:52
Lufthansa
1 stop
11h 52m
LHR - STL
Lufthansa
£336
Travel2Be
06:00 - 15:25
United Airlines
1 stop
15h 25m
LHR - STL
United Airlines
£357
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Lambert-St Louis Intl</span> flights.

Flight FAQs

From London to Lambert-St Louis Intl

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?

Finnair, American Airlines, and United Airlines 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.

What airport do you fly into for flights to St. Louis from London?

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from London to St. Louis. You should not have trouble finding flights to Lambert-St Louis from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the St. Louis airport from London. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

Can I find flights from London to Lambert-St Louis Intl for under £359 on Cheapflights?

Yes, there are multiple flights from London to Lambert-St Louis Intl for under £359. The cheapest flight booked recently is on Multiple Airlines for just £335, but on average you can expect to pay £362.

Are there direct flights from London to Lambert-St Louis Intl for under £359 on Cheapflights?

There are no direct flights from London to Lambert-St Louis Intl, 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 Lambert-St Louis Intl for under £503?

There are currently 20+ open flights from London to Lambert-St Louis Intl within the next 7 days for less than £503.

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 Lambert-St Louis Intl?

Airlines like Lufthansa, United Airlines, and SWISS fly from London to Lambert-St Louis Intl in about 11h 52m. The time it takes to get you to your destination can typically vary by up to 21m. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from London to Lambert-St Louis Intl from £354 return. Other airlines that can offer you cheap pricing are Lufthansa, from £367, and United Airlines, from £373. Air Canada is priced at 39% lower than the current average price of a flight leaving 3 months from now.

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

£311 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from £317 and £328, respectively.

Alternative routes for London to Lambert-St Louis Intl

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Lambert-St Louis Intl

Things to know before you go - useful duration and weather info for your trip from London to Lambert-St Louis Intl.
Today's exchange rate
£1 = $1.40
Average temperature for April in Lambert-St Louis Intl
21.0 °C
Avg rainfall for April in Lambert-St Louis Intl
104.0 mm

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing St. Louis

Top 7 airlines flying from London to Lambert-St Louis Intl

The chart below displays the airlines Cheapflights users travelling from London to Lambert-St Louis Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Iberia
£451 £687 No cancel fee 77%
Search Iberia flights
Finnair
£526 £743 No cancel fee 76%
Search Finnair flights
United Airlines
£563 £854 No cancel fee 69%
Search United Airlines flights
American Airlines
£492 £865 No cancel fee 71%
Search American Airlines flights
British Airways
£475 £1,024 No cancel fee 70%
Search British Airways flights
Virgin Atlantic
£849 £1,106 No cancel fee 72%
Search Virgin Atlantic flights
Air Canada
£691 £1,191 No cancel fee 67%
Search Air Canada flights
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