Cheapest one-way flights from St. Louis to Cancun in January from 122€

AirHint found the following cheapest one-way flights from St. Louis (STL) to Cancun (CUN) in January 2026 (see full year).

One-Way flights

20 Jan Frontier Airlines direct
21 Jan Frontier Airlines direct
27 Jan Frontier Airlines direct
28 Jan Frontier Airlines direct
31 Jan Frontier Airlines direct
06 Jan Frontier Airlines direct
22 Jan Frontier Airlines direct
26 Jan Frontier Airlines direct
29 Jan Frontier Airlines direct
18 Jan Frontier Airlines direct

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

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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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