Cheapest return flights from St. Louis to Punta Cana in December from $342

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

Return flights

23 Dec - 27 Dec Frontier Airlines
09 Dec - 17 Dec Air Canada
25 Dec - 30 Dec Frontier Airlines
26 Dec - 31 Dec Frontier Airlines
19 Dec - 06 Jan Frontier Airlines
19 Dec - 06 Jan Frontier Airlines direct
26 Dec - 31 Dec Frontier Airlines direct

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

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