Route Price Intelligence
Cheap Flights From St. Louis to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$762
Deals From
$683
Usually Costs
$683 – $1,018
Lowest We've Seen
$563
Based on 8,649 price pointshigh confidence
Monthly Price Guide
Jan
$649
Feb
$644
Mar
$670
Apr
$680
May
$829
Jun
$1,253
Jul
$1,078
Aug
$711
Sep
$681
Oct
$687
Nov
$687
Dec
$786
Cheapest Average Expensive
Best Time to Fly from St. Louis to London
The cheapest time to fly from St. Louis to London is typically February, when fares average around $644. The most expensive month tends to be June at around $1,253. For the best deals, consider flying in February, January, March.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $56357 price checksWorst: $692