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

Return flights

03 Dec - 10 Dec	Air Canada
06 Dec - 12 Dec	Frontier Airlines
10 Dec - 14 Dec	Air Canada
06 Dec - 12 Dec	United	direct
10 Dec - 14 Dec	United	direct
19 Dec - 24 Dec	Frontier Airlines
30 Dec - 04 Jan	Frontier Airlines
30 Dec - 05 Jan	Frontier Airlines
24 Dec - 30 Dec	Frontier Airlines
20 Dec - 27 Dec	Frontier Airlines
23 Dec - 27 Dec	Frontier Airlines
31 Dec - 05 Jan	Air Canada
26 Dec - 30 Dec	Frontier Airlines

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

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 December from $394

Return flights