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Cheap flights from Lambert-St Louis Intl (STL) to London (LON)

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The best prices from Lambert-St Louis Intl to London are usually found in April or January, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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

STL - LON
Price
$675 - $1,217
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches
Popular in December High demand for flights, 29% potential price rise
Cheapest in April Best time to find cheap flights, 22% potential price drop
Round-trip from €675 From Lambert-St Louis Intl to London
One-way from €447 One-way flight from Lambert-St Louis Intl to London
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 round-trip from Lambert-St Louis Intl to London?

Travelers have found that booking a Monday departure is the best way to save up to 29% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travelers have found it’s best to book a flight 51 days in advance to save up to 38% 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 51 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 Lambert-St Louis Intl to London 1-2 weeks in advance for as low as $813, or $886 for flights within the next 24 hours.

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

Flights from Lambert-St Louis Intl to London lean towards being more expensive in June. Prices are generally better when you fly from Lambert-St Louis Intl to London in February, with the cheapest ticket starting at $394.

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

It’s typically best to fly out from Lambert-St Louis Intl to London in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Lambert-St Louis Intl to London in September, October 2020

The best prices found for STL to LON flights for September, October
2 Oct - 9 Oct
$648pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
17 Oct - 7 Nov
$657pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
25 Oct - 1 Nov
$658pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

Lambert-St Louis Intl to London 2020 flight deals

Cheap flights to London from Lambert-St Louis Intl found for this year
6 Nov - 11 Nov
$641pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
2 Oct - 9 Oct
$648pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
17 Oct - 7 Nov
$657pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

Last minute flights from Lambert-St Louis Intl to London

Late deals on round-trip flights to London from Lambert-St Louis Intl, departing today and this week
2 Oct - 9 Oct
$648pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
6 Oct - 12 Oct
$856pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
2 Oct - 4 Oct
$882pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

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

The cheapest one-way flights from Lambert-St Louis Intl to London
9:30 am - 2:55 am
Lufthansa
1 Stop
11h 25m
STL - LHR
Lufthansa
$447
Fareboom
2:25 pm - 7:20 am
British Airways
2 Stops
34h 55m
STL - LGW
British Airways
$604
Ovago
9:40 am - 6:25 pm
Multiple Airlines
3 Stops
50h 45m
STL - STN
Multiple Airlines
$707
Kiwi.com

Related info for your journey

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

Flight FAQs

From Lambert-St Louis Intl to London

Are flight prices decreasing from St Louis to London 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 St Louis and London 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 Lambert-St Louis Intl to London for under $700 on Cheapflights?

Yes, there are multiple flights from Lambert-St Louis Intl to London for under $700. The cheapest flight booked recently is on Multiple Airlines for just $641, but on average you can expect to pay $716.

Are there nonstop flights from Lambert-St Louis Intl to London for under $600 on Cheapflights?

There are no nonstop flights from Lambert-St Louis Intl to London, 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 Lambert-St Louis Intl to London for under $700?

There are currently 20+ open flights from Lambert-St Louis Intl to London within the next 7 days for less than $700.

Is St Louis weather warmer or cooler than London?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in London is typically colder than in St Louis. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

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

There are many flights that can get you from Lambert-St Louis Intl to London in 10h 10m. Fly via Lufthansa, KLM, or Aer Lingus to get the fastest option. This flight may include one or multiple stops.

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

Flying on KLM is currently your cheapest option to London, with prices starting at $815. Another option worth looking into is Austrian Airlines, starting at $820 round trip. KLM is currently priced 5% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $447. Lufthansa is not the only option available. At the moment, British Airways is another option, for $595.

Alternative routes for Lambert-St Louis Intl to London

Destination information for London

Things to know before you go. Useful info for your trip from Lambert-St Louis Intl to London
Today's exchange rate
$1 = £0.79
Average temperature for September in London
68.0 °F
Avg rainfall for September in London
1.9 ″

Airports servicing St. Louis

Airports servicing London

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