AirHint found the following cheapest return flights from Washington (IAD) to Punta Cana (PUJ) in August 2025 (see full year).

Return flights

23 Aug - 30 Aug	Frontier Airlines
21 Aug - 24 Aug	Frontier Airlines
25 Aug - 30 Aug	Frontier Airlines
24 Aug - 30 Aug	Frontier Airlines
30 Aug - 04 Sep	Frontier Airlines
24 Aug - 29 Aug	Frontier Airlines
25 Aug - 28 Aug	Copa
31 Aug - 05 Sep	United	direct
22 Aug - 24 Aug	Frontier Airlines
28 Aug - 06 Sep	United
21 Aug - 25 Aug	Frontier Airlines
29 Aug - 02 Sep	Frontier Airlines
24 Aug - 30 Aug	United	direct
25 Aug - 30 Aug	United	direct
30 Aug - 01 Sep	Copa
29 Aug - 01 Sep	Frontier Airlines
28 Aug - 02 Sep	United
30 Aug - 02 Sep	United

Also check the deals for one-way flights from Washington to Punta Cana 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 Washington to Punta Cana in August from 285€

Return flights