Deal found on September 3, 2026
St. Louis to Cancún
$388$51725% off
Round trip
Cancun usually costs $618 round trip from St. Louis, and this Frontier nonstop drops to $388, 37% off the typical price. Fall and early winter dates are opening up for the Yucatan's white sand beaches and cenotes, one of the most reliably bookable warm weather escapes for US travelers.
Travel dates
October into November
e.g. Oct 27 – Nov 5 · 9 nights
Date options
4 at this price
Lowest we've seen
$204
Get deals like this from St. Louis
Free email alerts when we find a fare worth booking. No spam.