Route Price Intelligence
Cheap Flights From St. Louis to Montreal
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$498
Deals From
$485
Usually Costs
$485 – $549
Lowest We've Seen
$211
Based on 295 price pointshigh confidence
Monthly Price Guide
Jan
$545
Feb
$547
Mar
$723
Apr
$879
May
$468
Jun
$475
Jul
$485
Aug
$485
Sep
$495
Oct
$498
Nov
$551
Dec
$553
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 $468. The most expensive month tends to be April at around $879. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $21158 price checksWorst: $513