Route Price Intelligence
Cheap Flights From St. Louis to Monterrey
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$656
Deals From
$635
Usually Costs
$635 – $671
Lowest We've Seen
$417
Based on 3,486 price pointshigh confidence
Monthly Price Guide
Jan
$656
Feb
$656
Mar
$656
Apr
$828
May
$635
Jun
$649
Jul
$656
Aug
$633
Sep
$622
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 September, when fares average around $622. The most expensive month tends to be April at around $828. For the best deals, consider flying in September, August, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $43166 price checksWorst: $520