AirHint found the following cheapest return flights from Washington (IAD) to Nassau (NAS) in August 2025 (see full year).

Return flights

16 Aug - 18 Aug	United
15 Aug - 19 Aug	United
17 Aug - 19 Aug	United
15 Aug - 18 Aug	United
30 Aug - 06 Sep	United
11 Aug - 15 Aug	United
21 Aug - 25 Aug	Delta
14 Aug - 18 Aug	Delta
08 Aug - 12 Aug	Delta
08 Aug - 13 Aug	Delta
05 Aug - 12 Aug	Delta
29 Aug - 05 Sep	Delta
29 Aug - 02 Sep	United
28 Aug - 02 Sep	United
28 Aug - 04 Sep	Air Canada
27 Aug - 01 Sep	United

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

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 August from $387

Return flights