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

Return flights

10 Dec - 15 Dec	United
12 Dec - 20 Dec	Southwest Airlines
16 Dec - 21 Dec	Southwest Airlines
09 Dec - 14 Dec	Southwest Airlines
25 Dec - 03 Jan	Southwest Airlines
20 Dec - 02 Jan	Avianca
20 Dec - 05 Jan	Avianca

Also check the deals for one-way flights from Ontario 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 Ontario to Punta Cana in December from $483

Return flights