Route Price Intelligence
Cheap Flights From St. Louis to Monterrey
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$650
Deals From
$630
Usually Costs
$630 – $656
Lowest We've Seen
$417
Based on 292 price pointshigh confidence
Monthly Price Guide
Jan
$656
Feb
$656
Mar
$656
Apr
$888
May
$634
Jun
$644
Jul
$635
Aug
$612
Sep
$621
Oct
$656
Nov
$656
Dec
$689
Cheapest Average Expensive
Best Time to Fly from St. Louis to Monterrey
The cheapest time to fly from St. Louis to Monterrey is typically August, when fares average around $612. The most expensive month tends to be April at around $888. For the best deals, consider flying in August, September, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $43162 price checksWorst: $520