Skip to main content
Beginning of main content

LHR (London) to STL (St. Louis) Flights $1,017.24

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap LHR to STL Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from London to St. Louis (LHR to STL)

Question : How many days should you spend in Saint Louis?
Answer : Passengers from LHR to STL stay 10 days on average.

Question : Are you paying the cheapest or highest price for your ticket to Saint Louis?
Answer : Flight prices change much more than the majority of routes from the United Kingdom for LHR to STL. They range anywhere from $956 to $4,089. Prices tend to be lower the further out you book.

Question : Over the coming months, which airline is getting their passengers to Lambert-St. Louis International Airport (STL) round-trip the cheapest?
Answer : American Airlines is offering the best deal at $956. Better snatch it up quickly because prices range all the way up to $4,089 over the next three months.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The cheapest day to fly in August is Wednesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : What is the cheapest day to fly in the next four weeks?
Answer : As of Jul 24th, the best day for booking to Saint Louis (STL) is Aug 1st. It costs $1,116, which is 53% below this route's average price.