Cheapest one-way flights from St. Louis to Cancun in June from $180

Best time to book flights for St. Louis (STL) to Cancun (CUN) flights at AirHint

AirHint found the following cheapest one-way flights from St. Louis (STL) to Cancun (CUN) in June 2025 (see full year).

One-Way flights

22 Jun Frontier Airlines direct
18 Jun Frontier Airlines direct
01 Jun Southern Airways Express
25 Jun Frontier Airlines direct
13 Jun Frontier Airlines
04 Jun Frontier Airlines direct
28 Jun Frontier Airlines direct
07 Jun Frontier Airlines
07 Jun Frontier Airlines direct
10 Jun Frontier Airlines direct

Also check the deals for return flights from St. Louis to Cancun in June.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Cancun

Cheap car rent in Cancun