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

Return flights

19 Aug - 30 Aug	United
05 Aug - 12 Aug	United
12 Aug - 19 Aug	United
13 Aug - 19 Aug	United
07 Aug - 14 Aug	Air Canada
06 Aug - 21 Aug	Porter Airlines (Canada) Ltd
08 Aug - 12 Aug	United
07 Aug - 11 Aug	Porter Airlines (Canada) Ltd
28 Aug - 01 Sep	Porter Airlines (Canada) Ltd
01 Aug - 16 Aug	Porter Airlines (Canada) Ltd
06 Aug - 12 Aug	United

Also check the deals for one-way flights from Ottawa 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 Ottawa to Nassau in August from 351€

Return flights