Route Price Intelligence
Cheap Flights From St. Louis to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$970
Deals From
$892
Usually Costs
$892 – $1,229
Lowest We've Seen
$563
Based on 8,646 price pointshigh confidence
Monthly Price Guide
Jan
$902
Feb
$902
Mar
$877
Apr
$900
May
$1,050
Jun
$1,490
Jul
$1,301
Aug
$927
Sep
$895
Oct
$896
Nov
$901
Dec
$977
Cheapest Average Expensive
Best Time to Fly from St. Louis to London
The cheapest time to fly from St. Louis to London is typically March, when fares average around $877. The most expensive month tends to be June at around $1,490. For the best deals, consider flying in March, September, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $56388 price checksWorst: $846