Cheapest return flights from St. Louis to Punta Cana in May from $355

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

Return flights

14 May - 16 May Frontier Airlines
13 May - 15 May Frontier Airlines
02 May - 09 May Frontier Airlines
15 May - 29 May Frontier Airlines
13 May - 18 May Frontier Airlines
02 May - 09 May Frontier Airlines direct
13 May - 15 May Frontier Airlines direct
13 May - 18 May Frontier Airlines direct
29 May - 01 Jun Air Canada
25 May - 30 May American Airlines
27 May - 05 Jun American Airlines
22 May - 25 May Frontier Airlines direct
27 May - 05 Jun Frontier Airlines direct
29 May - 01 Jun Frontier Airlines direct

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

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