This deal has expired.
It was found on September 3, 2026. Typical price for this route is $517. Fares like this come and go fast. Get the next one by email below.
Past deal
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
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