AirHint found the following cheapest return flights from Washington (IAD) to Nassau (NAS) in January 2026 (see full year).

Return flights

21 Jan - 26 Jan	Copa
23 Jan - 29 Jan	Copa
23 Jan - 27 Jan	Copa
14 Jan - 20 Jan	Copa
30 Jan - 05 Feb	Copa
30 Jan - 06 Feb	Copa
31 Jan - 05 Feb	Copa
31 Jan - 06 Feb	Copa
01 Jan - 06 Jan	United
09 Jan - 14 Jan	United
07 Jan - 17 Jan	Delta
08 Jan - 11 Jan	Frontier Airlines
16 Jan - 18 Jan	Delta
17 Jan - 24 Jan	Air Canada
08 Jan - 20 Feb	Air Canada

Also check the deals for one-way flights from Washington to Nassau in January.

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 Washington to Nassau in January from $340

Return flights