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

Return flights

13 Dec - 17 Dec	Frontier Airlines
08 Dec - 11 Dec	Copa
29 Dec - 07 Jan	Frontier Airlines
01 Dec - 08 Dec	Frontier Airlines
11 Dec - 17 Dec	Frontier Airlines
11 Dec - 16 Dec	Air Canada
11 Dec - 14 Dec	Frontier Airlines
06 Dec - 11 Dec	Air Canada
08 Dec - 12 Dec	Air Canada
10 Dec - 14 Dec	Air Canada
04 Dec - 07 Dec	Air Canada
16 Dec - 09 Jan	Air Canada
23 Dec - 01 Jan	Air Canada
25 Dec - 07 Jan	Frontier Airlines
29 Dec - 05 Jan	Frontier Airlines
16 Dec - 09 Jan	United	direct
29 Dec - 04 Jan	Frontier Airlines
31 Dec - 04 Jan	Frontier Airlines
30 Dec - 04 Jan	Frontier Airlines
25 Dec - 02 Jan	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 $331

Return flights