Cheapest one-way flights from Washington to Punta Cana in December from $149

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

One-Way flights

06 Dec Frontier Airlines
05 Dec Frontier Airlines
07 Dec Frontier Airlines
04 Dec Frontier Airlines
07 Dec United direct
16 Dec Southwest Airlines
06 Dec United direct
05 Dec United direct
16 Dec United direct
04 Dec United direct

Also check the deals for return flights from Washington to Punta Cana in December.

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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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