Search flights from Saint Louis (STL) to London (LON)

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Cheapest flights to London

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Saint Louis to London: things to know

The most popular route is from Lambert- St.Louis International Airport in Saint Louis to London Heathrow Airport in London. On average this flight takes 12 hours 1 minute one way and costs US$2,243 for the round trip.

Most popular route
Lambert- St.Louis International Airport (STL) to London Heathrow Airport (LHR)
Average flight time
12 hours 1 minute
Average round-trip price
US$2,243
Fly from Saint Louis to London
9 airlines

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Airlines that fly from Saint Louis to London

Airline options may vary according to recently booked flights and your search terms

  • American Airlines
  • British Airways
  • Air Canada
  • United Airlines
  • Lufthansa
  • Scandinavian Airlines
  • Aer Lingus
  • Southern Airways Express
  • Iberia

Frequently asked questions

Fly to more destinations from Saint Louis

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Flights to London Heathrow Airport

Jet into this airport to explore London at your leisure. Compare flights, fares and airlines – all in one place.

Flights to London Gatwick Airport

Jet into this airport to explore London at your leisure.

Flights from the United States to the United Kingdom

More options to fly to the United Kingdom.

Flights from Saint Louis to the United Kingdom

Plan your next getaway from Saint Louis.

Flights to England

Reaching England just got easier!

Flights to Greater London

Reaching Greater London just got easier!

Hotels in London

Thinking about which towns and cities to visit during your trip? Try London, a popular choice with other visitors.

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