Cheapest return IAD–PUJ flights, May

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

Return flights

23 May - 27 May Frontier Airlines
24 May - 28 May Frontier Airlines
10 May - 16 May Frontier Airlines
05 May - 08 May Copa
06 May - 08 May Copa
07 May - 10 May Copa
29 May - 04 Jun Copa
06 May - 09 May Copa
09 May - 13 May Copa
17 May - 23 May Allegiant Air
16 May - 23 May Frontier Airlines
30 May - 09 Jun Copa
28 May - 01 Jun Copa
30 May - 08 Jun Copa
26 May - 01 Jun Copa
30 May - 09 Jun United direct
30 May - 08 Jun United direct

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

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