Route Price Intelligence
Cheap Flights From St. Louis to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$994
Deals From
$898
Usually Costs
$898 – $1,265
Lowest We've Seen
$563
Based on 4,780 price pointshigh confidence
Monthly Price Guide
Jan
$901
Feb
$900
Mar
$996
Apr
$956
May
$1,156
Jun
$1,514
Jul
$1,324
Aug
$955
Sep
$897
Oct
$899
Nov
$902
Dec
$996
Cheapest Average Expensive
Best Time to Fly from St. Louis to London
The cheapest time to fly from St. Louis to London is typically September, when fares average around $897. The most expensive month tends to be June at around $1,514. For the best deals, consider flying in September, October, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $60677 price checksWorst: $846