AirHint found the following cheapest return flights from Louisville (SDF) to Cancun (CUN) in December 2025 (see full year).

Return flights

23 Dec - 25 Dec	Spirit Airlines
22 Dec - 25 Dec	Spirit Airlines
21 Dec - 25 Dec	Spirit Airlines
23 Dec - 26 Dec	Spirit Airlines
22 Dec - 26 Dec	Spirit Airlines
21 Dec - 26 Dec	Spirit Airlines
23 Dec - 27 Dec	Spirit Airlines
22 Dec - 27 Dec	Spirit Airlines
21 Dec - 27 Dec	Spirit Airlines
25 Dec - 26 Dec	Spirit Airlines
23 Dec - 01 Jan	Spirit Airlines
21 Dec - 01 Jan	Spirit Airlines
22 Dec - 01 Jan	Spirit Airlines
25 Dec - 01 Jan	Delta
26 Dec - 01 Jan	Spirit Airlines

Also check the deals for one-way flights from Louisville to Cancun in December.

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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Cheapest return flights from Louisville to Cancun in December from 369€

Return flights