Cheapest one-way flights from St. Louis to Cancun in January from 126€

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

One-Way flights

30 Jan Frontier Airlines
27 Jan Frontier Airlines direct
23 Jan Air Canada
21 Jan Air Canada
21 Jan Frontier Airlines direct
30 Jan Frontier Airlines direct
23 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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