Route Price Intelligence
Cheap Flights From St. Louis to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$952
Deals From
$876
Usually Costs
$876 – $1,225
Lowest We've Seen
$563
Based on 8,644 price pointshigh confidence
Monthly Price Guide
Jan
$902
Feb
$902
Mar
$852
Apr
$896
May
$1,045
Jun
$1,486
Jul
$1,288
Aug
$910
Sep
$886
Oct
$890
Nov
$900
Dec
$976
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 $852. The most expensive month tends to be June at around $1,486. 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: $839