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  1. Flights
  2. United Kingdom
  3. London
  4. St Louis, MO - London

Cheap Flights from St Louis, MO (STL) to London (LON)

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Discover the cheapest flights from St Louis, MO to London
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Tue, May 5 - Fri, May 15
Air Canada
Air Canada1 stop
STL - LON
Air Canada
Air Canada1 stop
LON - STL
892$
891$
Prime price per passenger
Sun, May 17 - Thu, May 28
Air Canada
Air Canada1 stop
STL - LON
Air Canada
Air Canada1 stop
LON - STL
1045$
1020$
Prime price per passenger
Wed, Jul 8 - Fri, Jul 10
Air Canada
Air Canada1 stop
STL - LON
Swiss International Air Lines
Swiss International Air Lines2 stops
LON - STL
1172$
1146$
Prime price per passenger
Sun, May 31 - Tue, Jun 9
Air Canada
Air Canada1 stop
STL - LON
Lufthansa
Lufthansa1 stop
LON - STL
1303$
1283$
Prime price per passenger
Wed, Jun 10 - Wed, Jun 17
Air Canada
Air Canada1 stop
STL - LON
Air Canada
Air Canada1 stop
LON - STL
1383$
1362$
Prime price per passenger
Wed, Jul 1 - Fri, Jul 3
Lufthansa
Lufthansa1 stop
STL - LON
Lufthansa
Lufthansa2 stops
LON - STL
1433$
1414$
Prime price per passenger
Tue, Jul 14
Iberia
Iberia1 stop
STL - LON
368$
352$
Prime price per passenger
Tue, May 19
American Airlines
American Airlines1 stop
STL - LON
463$
441$
Prime price per passenger
Sun, May 10
Frontier Airlines
Frontier Airlines3 stops
STL - LON
498$
487$
Prime price per passenger
Fri, Jul 3
British Airways
British Airways1 stop
STL - LON
823$
799$
Prime price per passenger
Sun, May 31
Aer Lingus
Aer Lingus2 stops
STL - LON
853$
829$
Prime price per passenger
Tue, Jun 16
Aer Lingus
Aer Lingus2 stops
STL - LON
926$
923$
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from St Louis, MO to London

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of July. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
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week: Jul 13 - Jul 19
Flights from just $674
$880
$694
$749
$847
$970
$1,095
$1,279
$954
$1,060
$999
$700
$674
AprilMayJuneJuly
Flying Time9 h and 15 mWhen flying from St Louis, MO to London, this can take around 9 h and 15 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$352The best price for flights from St Louis, MO to London offered by eDreams, which have been found by our customers in the last 3 days
Origin airportSt. Louis Lambert International AirportWhen flying from St Louis, MO to London
Destination airportsHeathrow Airport, Gatwick Airport, London Luton Airport, London Stansted Airport, London City AirportWhen traveling from St Louis, MO to London
Peak seasonMarchMarch is the busiest time to fly from St Louis, MO to London according to search data results from our customers
Airlines operating this routeBritish Airways, IberiaAirline(s) that fly from St Louis, MO to London
One-way average Price$1,066A flight from St Louis, MO to London at eDreams will cost around $1,066, this being based on prices of the previous 6 months of data
Best time to bookMarchJanuary is one of the most frequent times to fly to London from St Louis, MO according to real data from our customers
Distance: 4200 miles
St Louis, MO airports
Lambert-St Louis Internatl (STL)How far from city center: 12 miles
London airports
Heathrow (LHR)How far from city center: 14 miles
Gatwick (LGW)How far from city center: 25 miles
Luton International (LTN)How far from city center: 27 miles
Stansted (STN)How far from city center: 30 miles
London City (LCY)How far from city center: 7 miles
Southend (SEN)How far from city center: 35 miles

Are you planning to travel to London for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from St Louis, MO. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to London and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from St Louis, MO to London

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United Kingdom. At eDreams have you covered!
On average, how much is the price of a flight from St Louis, MO to London?
When you fly from St Louis, MO to London the average price is $1,066. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.
For flights from St Louis, MO to London, how can I find the cheapest price?
The cheapest price for a flight from St Louis, MO to London is $352. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from St Louis, MO to London?
The most popular months to book a trip from St Louis, MO to London are October, September and May, based on the searches of our customers.
When is the best time to travel from St Louis, MO to London?
The best time of the year to visit London depends on lots of personal preferences, especially the price. Regarding popularity, June is the best month to fly to London from St Louis, MO in terms of searches from our customers, followed by May and March. If you prefer to avoid the busy season and get away from the crowds September, February and April are the months with fewer searches for St Louis, MO - London.
How long does the flight from St Louis, MO to London take?
Flight length from St Louis, MO to London is around 9 h and 15 m on average, at an average distance of 4,200.24 mi, for flights for the route (which may have 1 or more stops in other cities in between).

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