AirHint found the following cheapest return flights from Washington (IAD) to Punta Cana (PUJ) in September 2026 (see full year).
Return flights
| 04 Sep - 07 Sep | Copa | ||
| 16 Sep - 20 Sep | Copa | ||
| 26 Sep - 30 Sep | Copa | ||
| 25 Sep - 03 Oct | Copa | ||
| 16 Sep - 20 Sep | United | direct | |
| 26 Sep - 30 Sep | United | direct | |
| 04 Sep - 07 Sep | United | direct |
Also check the deals for one-way flights from Washington to Punta Cana in September.
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