Cheapest return flights from St. Louis to Punta Cana in August from $459

AirHint found the following cheapest return flights from St. Louis (STL) to Punta Cana (PUJ) in August 2026 (see full year).

Return flights

31 Aug - 07 Sep Air Canada
03 Aug - 07 Aug Air Canada
31 Aug - 07 Sep Frontier Airlines direct
01 Aug - 07 Aug Air Canada
05 Aug - 09 Aug Air Canada
01 Aug - 07 Aug Frontier Airlines direct
03 Aug - 07 Aug Frontier Airlines direct

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

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