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

30 May - 03 Jun Frontier Airlines
30 May - 06 Jun United direct
31 May - 06 Jun United
30 May - 02 Jun United
27 May - 30 May United
29 May - 02 Jun Delta
24 May - 27 May United
29 May - 01 Jun United
22 May - 27 May Allegiant Air
23 May - 27 May Frontier Airlines
09 May - 16 May Delta
11 May - 14 May Delta
09 May - 11 May United
10 May - 11 May United
08 May - 10 May Delta
08 May - 11 May Delta

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

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