AirHint found the following cheapest return flights from Chicago (MDW) to Nassau (NAS) in December 2025 (see full year).

Return flights

02 Dec - 19 Dec	Delta
29 Dec - 05 Jan	Delta
30 Dec - 05 Jan	Delta
06 Dec - 12 Dec	Southwest Airlines
06 Dec - 23 Dec	Southwest Airlines
19 Dec - 24 Dec	Southwest Airlines
20 Dec - 25 Dec	Southwest Airlines
29 Dec - 03 Jan	Southwest Airlines

Also check the deals for one-way flights from Chicago to Nassau 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 Chicago to Nassau in December from $511

Return flights