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Cheap Flights from St. Louis to London $820.93

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Cheapest Flights from St. Louis to London (STL to LGW)

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

London

$1199.71

$1373.66

$1494.56

$853.23

Southend-on-Sea

$1836.16

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

Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in May is Friday. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : How long do most people visit London?
Answer : Of course you're not most people, but if you were, you'd stay roughly one week.

Question : What price range should you expect when booking from Saint Louis (STL) to London (LGW)?
Answer : Flight prices are fluctuating much more for this route than most routes from the United States, as they're ranging anywhere from $899 to $4,555. The further out you book a route, the more likely you are to save.

Question : What day in the next four weeks has the best fares?
Answer : May 5th has seen bookings (as of Apr 24th) as cheap as $899. That comes in 37% below the average price for this route. Saving now means you'll have more cash in your hand for the trip.