Route Price Intelligence
Cheap Flights From St. Louis to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$988
Deals From
$897
Usually Costs
$897 – $1,278
Lowest We've Seen
$563
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$897
Feb
—
Mar
—
Apr
$1,208
May
$1,238
Jun
$1,488
Jul
$1,324
Aug
$947
Sep
$895
Oct
$897
Nov
$897
Dec
$987
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 $895. The most expensive month tends to be June at around $1,488. For the best deals, consider flying in September, October, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $60670 price checksWorst: $846