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

Return flights

06 Dec - 09 Dec	United
11 Dec - 16 Dec	Delta
11 Dec - 17 Dec	Delta
22 Dec - 29 Dec	Delta
06 Dec - 13 Dec	United	direct
13 Dec - 19 Dec	Southwest Airlines
24 Dec - 01 Jan	United	direct
13 Dec - 18 Dec	Delta
29 Dec - 05 Jan	Delta
25 Dec - 31 Dec	United
25 Dec - 30 Dec	United
22 Dec - 29 Dec	United	direct
29 Dec - 04 Jan	Frontier Airlines
28 Dec - 03 Jan	Frontier Airlines
26 Dec - 04 Jan	Frontier 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 321€

Return flights