Nonstop flights from Cancún to St. Louis
2 airlines fly this route, with up to 2 flights a day.
CUNCancún Cancun International
1,240 mi · 12 flights a week
STLSt. Louis Lambert International
When they leave
Cancún time11:04a1:10pFirst departure 11:04 AM, last 1:10 PM
One morning flight at 11:04 AM, then one afternoon flight at 1:10 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Cancún to St. Louis
Southwest Airlines flies most often, daily on the Boeing 737-700. Frontier Airlines flies 5 times a week on the Airbus A321neo.
There are 1 or 2 flights every day of the week. The first arrival in St. Louis is at 2:23 PM and the last at 4:15 PM. The flight covers 1,240 miles.
Flying back, St. Louis to Cancún has 12 nonstop flights a week.
Return flights
More from Cancún
Find the cheapest day to fly from Cancún to St. Louis.
Schedules as of Oct 9, 2026.