AirHint found the following cheapest return flights from Ontario (ONT) to Punta Cana (PUJ) in May 2026 (see full year).
Return flights
| 12 May - 18 May | Southwest Airlines | ||
| 01 May - 08 May | Southwest Airlines | ||
| 09 May - 17 May | Southwest Airlines | ||
| 25 May - 31 May | Southwest Airlines | ||
| 21 May - 29 May | United |
Also check the deals for one-way flights from Ontario to Punta Cana in May.
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