Route Price Intelligence
Cheap Flights From St. Louis to London Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$747
Deals From
$682
Usually Costs
$682 – $750
Lowest We've Seen
$586
Based on 3,299 price pointshigh confidence
Monthly Price Guide
Jan
$747
Feb
—
Mar
—
Apr
$1,278
May
$747
Jun
$747
Jul
$746
Aug
$746
Sep
$747
Oct
$746
Nov
$747
Dec
$747
Cheapest Average Expensive
Best Time to Fly from St. Louis to London Ontario
The cheapest time to fly from St. Louis to London Ontario is typically October, when fares average around $746. The most expensive month tends to be April at around $1,278. For the best deals, consider flying in October, July, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $58656 price checksWorst: $992