Cheapest return flights from St. Louis to Cancun in October from 208€

AirHint found the following cheapest return flights from St. Louis (STL) to Cancun (CUN) in October 2025 (see full year).

Return flights

31 Oct - 03 Nov Frontier Airlines direct
24 Oct - 27 Oct Frontier Airlines direct
13 Oct - 20 Oct Frontier Airlines direct
30 Oct - 02 Nov Spirit Airlines
07 Oct - 12 Oct Frontier Airlines direct
10 Oct - 13 Oct Frontier Airlines direct
16 Oct - 22 Oct Aeromexico
09 Oct - 13 Oct Frontier Airlines
09 Oct - 13 Oct Frontier Airlines direct
22 Oct - 26 Oct Frontier Airlines
30 Oct - 02 Nov Frontier Airlines direct

Also check the deals for one-way flights from St. Louis to Cancun in October.

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.

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