Route Price Intelligence
Cheap Flights From St. Louis to London Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$682
Deals From
$650
Usually Costs
$650 – $707
Lowest We've Seen
$586
Based on 211 price pointshigh confidence
Monthly Price Guide
Jan
$650
Feb
—
Mar
—
Apr
$1,277
May
$707
Jun
$691
Jul
$682
Aug
$682
Sep
$650
Oct
$650
Nov
$650
Dec
$736
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 $650. The most expensive month tends to be April at around $1,277. For the best deals, consider flying in October, November, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $58651 price checksWorst: $909