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 at the beginning of February. 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: 23 Nov - 29 Nov

Flights from just £331

£788

£592

£331

£439

£377

£431

£418

£628

£627

£333

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£342

NovemberDecemberJanuary

Flight Duration19 h and 50 mFlights between St Louis, MO and London take, on average, 19 h and 50 m minutes, but the time can vary according to other factors

Cheapest flight£293Cheapest price for a flight between St Louis, MO and London found by our customers in the last 72 hours

Origin airportSt. Louis Lambert International AirportWhen flying from St Louis, MO to London

Destination airportsGatwick Airport, Heathrow Airport, London Luton Airport, London Stansted Airport, London City AirportWhen travelling from St Louis, MO to London

High seasonMarchAccording to search data from our customers, March is the busiest time to fly from St Louis, MO to London

Airlines flying this routeIberiaAirline(s) with flights between St Louis, MO to London

One-way average Price£642The average price for a flight St Louis, MO - London at Opodo is £642, based on the price of last 6 months

Best time to bookDecemberAccording to real data December is the most popular time to book a flight to London when departing from St Louis, MO

Distance: 4,200 mi

St Louis, MO airports

London airports

Gatwick Airport (LGW)How far from city centre: 25 mi

Heathrow Airport (LHR)How far from city centre: 14 mi

London Luton Airport (LTN)How far from city centre: 28 mi

London Stansted Airport (STN)How far from city centre: 30 mi

London City Airport (LCY)How far from city centre: 8 mi

Book your St Louis, MO to London flight

Search direct and connecting flights from St Louis, MO to London (United Kingdom) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £293, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from St Louis, MO to London takes roughly 9 h and 33 m, whereas journeys with a layover will take longer.

Airports and airlines on the St Louis, MO–London route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

Arrival airport: Gatwick Airport (LGW)

Tips for cheaper flights from St Louis, MO to London

A few ways to bring down the cost of your flight from St Louis, MO to London:

Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in London. Adding car hire to the same booking can save you money too.

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

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 £642. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from St Louis, MO to London at Opodo?

The cheapest price for a flight from St Louis, MO to London is 293 £. At Opodo 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 is the best time to book a flight from St Louis, MO to London?

The most popular months to book a flight from St Louis, MO to London are December, January and April, 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 go to London when flying from St Louis, MO depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, December is the top 1º month to fly to London from St Louis, MO in terms of searches from our customer, followed by July and May. If you prefer to avoid high peaks of turism, however, and escape a crowded period, February, January and March are the months with less volume of searchs for the route St Louis, MO - London.

How long does the flight take to go from St Louis, MO to London?

The total flight time between St Louis, MO and London is of around 19 h and 50 m on average, considering an average distance of 4,200.24 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

Which are the airlines with flights from St Louis, MO to London?

Airlines with direct flights departing from St Louis, MO to London are:

American Airlines.
British Airways.
Iberia.

Air Canada

British Airways
American Airlines

Plan your trip

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