Route Price Intelligence
Cheap Flights From St. Louis to Montreal
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$617
Deals From
$548
Usually Costs
$548 – $716
Lowest We've Seen
$211
Based on 3,277 price pointshigh confidence
Monthly Price Guide
Jan
$716
Feb
$717
Mar
$723
Apr
$933
May
$549
Jun
$567
Jul
$617
Aug
$563
Sep
$610
Oct
$638
Nov
$716
Dec
$717
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 $549. The most expensive month tends to be April at around $933. For the best deals, consider flying in May, August, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $21162 price checksWorst: $513