£344 Find Cheap Flights from London to St. Louis – Compare and Save

You can speed up your journey through London Airports using the fast track system. At Heathrow Airport (LHR), fast-track passes cost about £12.50, while at Gatwick Airport (LGW), they cost about £5. Both fast-track services help you skip through security, allowing you more time to enjoy the departure lounge.

Getting to the city centre from St Louis Airport (STL) is easy, with a few transport options available. The MLR Red Line to Lambert East TRML Metrolink Station is a low-cost choice. The Red Line takes about 29min and has 12 stops. However, if you want to get to the city quicker, you can get a taxi from the front of the terminal, which takes around 19min.

If your flight is early in the morning, you can ensure you’re not in a rush by getting a hotel the night before. For example, at Heathrow Airport, you can go to the Ibis London Heathrow Airport, whereas at Gatwick Airport, you can go to Hilton London Gatwick Airport. The hotels are only a short walk to the terminal on the morning of your flight.

When you land at St. Louis Airport, you can use the Banking and Foreign Currency Exchange to convert your Pound Sterling to US Dollar. The currency exchange is in Terminal 1 on the lower level close to the Gate C Security checkpoint.

There is a maximum of 1 direct flight a day that takes off from London and lands in St. Louis, with an average flight time of 9h 05m. The most common departure time is 16:00 and most flights take off in the afternoon. Each week, there are 4 flights.

In the last 5 days, the lowest price for a flight from London to St. Louis was £344 for a one-way ticket and £631 for a return.

There are 5 airports in London (London City, London Gatwick, London Heathrow, London Luton, and London Stansted.) and only 1 airport in St. Louis (Lambert-St Louis). The cheapest flights are generally found on the London Heathrow Airport to Lambert-St Louis flight route.

The Boeing 787-8 Dreamliner is the aircraft model that flies most regularly on the London to St. Louis flight route.

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between London and St. Louis, with Star Alliance being the most commonly used for this route.

You can catch a direct flight from London to St. Louis on on Tuesday, Wednesday, Friday, and Sunday.

The two airlines most popular with KAYAK users for flights from London to St. Louis are KLM and Finnair. With an average price for the route of £1,069 and an overall rating of 7.8, KLM is the most popular choice. Finnair is also a great choice for the route, with an average price of £735 and an overall rating of 7.6.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to St. Louis.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from London is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to St. Louis with an airline and back to London with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.