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

Return flights

03 Mar - 06 Mar	United
10 Mar - 16 Mar	United	direct
03 Mar - 07 Mar	Air Canada
05 Mar - 09 Mar	Air Canada
07 Mar - 11 Mar	Air Canada
09 Mar - 16 Mar	United	direct
06 Mar - 12 Mar	United	direct
07 Mar - 14 Mar	Air Canada
13 Mar - 17 Mar	United	direct
31 Mar - 05 Apr	Air Canada
06 Mar - 08 Mar	United	direct
28 Mar - 05 Apr	Porter Airlines (Canada) Ltd
29 Mar - 05 Apr	Southern Airways Express

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

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 March from $345

Return flights