Cheapest one-way flights from St. Louis to Cancun in May from 117€

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 May 2025 (see full year).

One-Way flights

06 May Frontier Airlines
06 May Frontier Airlines direct
12 May Frontier Airlines direct
18 May Frontier Airlines direct
09 May Frontier Airlines
09 May Frontier Airlines direct
15 May Frontier Airlines direct
03 May Frontier Airlines direct
31 May Frontier Airlines
24 May Frontier Airlines

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

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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