Cheap Flights from London to St Louis

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Compare London to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from London to St Louis

Looking for a cheap last-minute deal or the best return flight from London to St Louis? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to St Louis flights are currently cheapest in May.

London to St Louis: Alternative routes

Compare routes from London to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

London to St Louis: Flight information

The things to know before you go.
Cheapest flight foundRs95,428
Cheapest month to flyMay

Finding cheap flights from London to St Louis: Frequently asked questions

The best price we found for a return flight from London to St Louis is Rs179,551. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to St Louis. But we found flights with one stop from Rs179,551.
As of May 2025, there are no flights flying from London to St Louis.
The cheapest month to fly from London to St Louis is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to St Louis Airport on Wednesday, 11 June 2025.
No airlines currently offer direct flights between London and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to St Louis is Norse Atlantic Airways (UK) .

Flying from London to Lambert-St. Louis International Airport (STL): what you need to know

  • Take your pick of a range of airports when organising a flight from London to Lambert-St. Louis International Airport (STL). Explore your options for departing London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also operate in London.

  • Lambert-St. Louis International Airport is located in St Louis. The city operates in the UTC-5 timezone and is 5 hours behind London.

  • To ensure you catch your flight from London to STL, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Travelling during a peak time like July? School holidays and other popular periods can lead to longer queues and delays at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

Airports in London

London Heathrow Airport (LHR)

  • We make it a breeze to plan a flight from London to STL that includes a stopover. To see your options departing from London Heathrow Airport (LHR), deselect 'Direct flights only.' Next, choose a flight that has a stop long enough to see the sights of the city of your choice. Popular stopovers between LHR and STL include:

    • O'Hare International Airport (ORD)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • The distance from central London to LHR is about 31 kilometres. Check out Google Maps for the best way to get there, whether in your own car or with public transport.

  • After a relaxed start to your travels? Stay near London Heathrow Airport. Whether you're catching an early flight from London to Lambert-St. Louis International Airport or just don't want to be rushed, these hotels have you covered:

London Gatwick Airport (LGW)

  • Get the most out of your holiday with a stopover on your flight from London to Lambert-St. Louis International Airport. Visit family or friends or tick another city off your bucket list. Whatever your plans, check out these options between London Gatwick Airport and STL:

    • O'Hare International Airport (ORD)

    • Detroit Metropolitan Wayne County Airport (DTW)

    • Logan International Airport (BOS)

  • On public transport, you can travel from central London to LGW in about 1 hour and 26 minutes. The terminal is roughly 80 kilometres away, and making the journey by car will take approximately 1 hour and 19 minutes.

  • Want to spoil yourself with an extra night away before boarding your flight from London to STL? Kick back in a hotel near London Gatwick Airport before your adventure officially starts. Consider one of these stays:

About Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometres away. It takes around 21 minutes to get to the centre driving.

  • Getting there on public transport will take you around 36 minutes.

How to find the cheapest flights from London to Lambert-St. Louis International Airport (STL)

  • For a one-way ticket from London to Lambert-St. Louis International Airport, Rs95,428 is the cheapest price. You can also book a return flight from just Rs179,551. These are currently the lowest fares but may change based on availability.

  • It's often best to book in advance if you're hoping to get cheap tickets from London to STL. That's because airlines adjust prices based on demand, which tends to increase closer to the departure date.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll give you the lowest price across every month when searching for your ticket from London to Lambert-St. Louis International Airport.

  • Sign into your online account or use the app to set up a Price Alert. We'll get in touch right away if there's an incredible deal on this route. It's easy to do, and it'll save you the hassle of searching for a cheap ticket from London to STL every day.

  • Use the filters to tailor your flights from London to Lambert-St. Louis International Airport. Select your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest' to find the best deals.

The best time to fly from London to Lambert-St. Louis International Airport (STL)

  • July is the most popular month for flights from London to Lambert-St. Louis International Airport. To escape the crowds, visit St Louis in April when things are quieter.

  • Before booking a flight from London to STL, think about the type of weather you enjoy. July is the warmest month in St Louis, with temperatures ranging from 17ºC to 33ºC.

  • January sees average temperatures of between -8ºC and 7ºC. Search for cheap flights from London to Lambert-St. Louis International Airport sometime around then if you like travelling in cooler conditions.

More about St Louis

Complete your St Louis trip with a car rental

  • Once you've booked your hotel and cheap flight from London to Lambert-St. Louis International Airport, your next task is choosing one of our car rentals in St Louis. Browse the exclusive deals and instantly compare your options on price, fuel policies, and more.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.