Cheapest return IAD–NAS flights, May

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

Return flights

27 May - 03 Jun Frontier Airlines
30 May - 06 Jun United direct
24 May - 27 May United
25 May - 27 May United
19 May - 23 May Frontier Airlines
23 May - 26 May Frontier Airlines
23 May - 27 May Frontier Airlines
22 May - 27 May Allegiant Air
24 May - 31 May Frontier Airlines
13 May - 18 May Frontier Airlines
13 May - 19 May Frontier Airlines
13 May - 20 May United

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

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