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

Return flights

07 Aug - 11 Aug	Frontier Airlines
18 Aug - 23 Aug	Frontier Airlines
08 Aug - 11 Aug	Frontier Airlines
10 Aug - 15 Aug	Frontier Airlines
10 Aug - 16 Aug	Frontier Airlines
21 Aug - 24 Aug	Frontier Airlines
08 Aug - 16 Aug	Frontier Airlines
09 Aug - 16 Aug	Frontier Airlines
07 Aug - 12 Aug	Frontier Airlines
23 Aug - 30 Aug	Frontier Airlines
29 Aug - 05 Sep	Copa
30 Aug - 04 Sep	Copa
26 Aug - 09 Sep	United	direct
27 Aug - 10 Sep	United	direct
30 Aug - 06 Sep	Copa
21 Aug - 04 Sep	United	direct
20 Aug - 03 Sep	United
31 Aug - 05 Sep	United	direct
31 Aug - 04 Sep	United	direct
28 Aug - 11 Sep	United	direct

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 247€

Return flights