Cheap flights from Heathrow to Lambert-St Louis Intl

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The best prices from Heathrow to Lambert-St Louis Intl are usually found in February or March, booked 42 days in advance, depart on a Monday or Friday and return on a Friday

How to find the cheapest flight from
Heathrow (LHR) to Lambert-St Louis Intl (STL)

LHR - STL
Price
£447 - £756
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm
Popular in August High demand for flights, 22% potential price rise
Cheapest in February Best time to find cheap flights, 24% potential price drop
Average price £756 Average for round-trip flights in August 2020
Round-trip from £447 From Heathrow 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 Heathrow to Lambert-St Louis Intl?

Flying to your destination on a Tuesday 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 Heathrow to Lambert-St Louis Intl?

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 Heathrow to Lambert-St Louis Intl 1-2 weeks in advance for as low as £441, or £441 for flights within the next 24 hours.

What is the cheapest month to fly from Heathrow to Lambert-St Louis Intl?

The best pricing can be found in the month of March. Prices to Lambert-St Louis Intl from Heathrow average £592. You can even find prices in March for less than £592, as users have found deals to Lambert-St Louis Intl from as low as £411. The month of July appears to be one of the more expensive times to travel to Lambert-St Louis Intl from Heathrow. Flying in the targeted month can save you up to 31%.

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

A simple way to save on the total cost of your ticket is to fly from Heathrow to Lambert-St Louis Intl in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the midday.

Cheap flights from Heathrow to Lambert-St Louis Intl in August, September 2020

The best prices found for LHR to STL flights in August, September
17 Aug - 21 Aug
£658pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
4 Aug - 5 Nov
£718pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow
11 Aug - 28 Nov
£757pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow

Heathrow to Lambert-St Louis Intl 2020 flight deals

Cheap flights to Lambert-St Louis Intl from Heathrow found for this year
22 Sep - 6 Oct
£619pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow
21 Sep - 25 Sep
£627pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
21 Sep - 25 Sep
£654pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow

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

Late deals on return flights to Lambert-St Louis Intl from Heathrow, departing today and this week
26 Jul - 18 Aug
£815pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
25 Jul - 28 Jul
£830pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
   
2 STOPS
LHR
London Heathrow
27 Jul - 31 Jul
£939pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow

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

The cheapest one-way flights from Heathrow to Lambert-St Louis Intl
04:40 - 10:49
British Airways
1 stop
12h 09m
LHR - STL
British Airways
£894
DreamWorldTravel
07:00 - 16:12
Finnair
1 stop
15h 12m
LHR - STL
Finnair
£974
World Air Fares
08:20 - 12:02
Lufthansa
1 stop
33h 42m
LHR - STL
Lufthansa

Related info for your journey

Useful info, stats and facts about Heathrow to Lambert-St Louis Intl flights.

Flight FAQs

From Heathrow to Lambert-St Louis Intl

Are flight prices decreasing from Heathrow 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 Heathrow 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.

Can I find flights from Heathrow to Lambert-St Louis Intl for under £600 on Cheapflights?

Yes, there are multiple flights from Heathrow to Lambert-St Louis Intl for under £600. The cheapest flight booked recently is on Multiple Airlines for just £580, but on average you can expect to pay £662.

Are there direct flights from Heathrow to Lambert-St Louis Intl for under £600 on Cheapflights?

There are no direct flights from Heathrow 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 Heathrow to Lambert-St Louis Intl for under £900?

There are currently 20+ open flights from Heathrow to Lambert-St Louis Intl within the next 7 days for less than £900.

Does it rain more in Heathrow or St Louis?

The rainfall in Heathrow is generally same as the rainfall in St Louis. This will continue over the next 17 days.

Is Heathrow weather warmer or cooler than St Louis?

Expect the weather to be around 32 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally hotter than in Heathrow.

How long does is the flight from Heathrow to Lambert-St Louis Intl?

Airlines like Finnair, Lufthansa, and British Airways fly from Heathrow to Lambert-St Louis Intl in about 11h 44m. The time it takes to get you to your destination can typically vary by up to 3h 11m. 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 Heathrow to Lambert-St Louis Intl return?

Our cheapest airline available from Heathrow to Lambert-St Louis Intl is Finnair. Our recent data shows that you can find tickets from as low as £475 on this airline. Additional options worth looking into are British Airways and Lufthansa, starting at £538 and £541 round-trip. Finnair is currently priced 19% below the average price you’ll pay for this route.

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

The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as £807. However, be on the lookout for offers from British Airways and Austrian Airlines, as they are both options that can get you from Heathrow to Lambert-St Louis Intl for a low price.

Alternative routes for Heathrow to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Things to know before you go. Useful info for your trip from Heathrow to Lambert-St Louis Intl
Today's exchange rate
£1 = $1.31
Average temperature for August in Lambert-St Louis Intl
32.0 °C
Avg rainfall for August in Lambert-St Louis Intl
74.0 mm

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Airports servicing St. Louis

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