Route Price Intelligence
Cheap Flights From St. Louis to Montreal
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$602
Deals From
$544
Usually Costs
$544 – $673
Lowest We've Seen
$211
Based on 6,672 price pointshigh confidence
Monthly Price Guide
Jan
$674
Feb
$673
Mar
$976
Apr
$590
May
$537
Jun
$568
Jul
$607
Aug
$584
Sep
$588
Oct
$655
Nov
$674
Dec
$680
Cheapest Average Expensive
Best Time to Fly from St. Louis to Montreal
The cheapest time to fly from St. Louis to Montreal is typically May, when fares average around $537. The most expensive month tends to be March at around $976. For the best deals, consider flying in May, June, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $21179 price checksWorst: $513