Route Price Intelligence
Cheap Flights From St. Louis to London Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$704
Deals From
$668
Usually Costs
$668 – $747
Lowest We've Seen
$586
Based on 4,998 price pointshigh confidence
Monthly Price Guide
Jan
$704
Feb
$704
Mar
$1,459
Apr
$972
May
$713
Jun
$710
Jul
$704
Aug
$704
Sep
$704
Oct
$704
Nov
$704
Dec
$746
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 $704. The most expensive month tends to be March at around $1,459. 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: $58671 price checksWorst: $1,003