Route Price Intelligence
Cheap Flights From St. Louis to Monterrey
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$646
Deals From
$619
Usually Costs
$619 – $670
Lowest We've Seen
$417
Based on 6,948 price pointshigh confidence
Monthly Price Guide
Jan
$646
Feb
$646
Mar
$888
Apr
$736
May
$630
Jun
$636
Jul
$645
Aug
$616
Sep
$621
Oct
$646
Nov
$646
Dec
$673
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 $616. The most expensive month tends to be March 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: $42781 price checksWorst: $520