AirHint found the following cheapest return flights from Punta Cana (PUJ) to San Juan (SJU) in August 2025 (see full year).

Return flights

18 Aug - 21 Aug	Frontier Airlines	direct
29 Aug - 30 Aug	Arajet	direct
30 Aug - 02 Sep	Arajet	direct
29 Aug - 31 Aug	Arajet	direct
29 Aug - 02 Sep	Arajet	direct
29 Aug - 07 Sep	Arajet	direct
28 Aug - 02 Sep	jetBlue	direct
28 Aug - 03 Sep	jetBlue	direct
22 Aug - 24 Aug	Arajet	direct
21 Aug - 21 Aug	jetBlue	direct
22 Aug - 25 Aug	Arajet	direct
19 Aug - 21 Aug	Arajet	direct
20 Aug - 31 Aug	jetBlue	direct
17 Aug - 24 Aug	Arajet	direct
24 Aug - 28 Aug	Arajet	direct

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Punta Cana to San Juan in August from 126€

Return flights