AirHint found the following cheapest return flights from Santo Domingo (SDQ) to San Juan (SJU) in September 2025 (see full year).

Return flights

03 Sep - 07 Sep	Arajet	direct
12 Sep - 15 Sep	Frontier Airlines	direct
04 Sep - 08 Sep	jetBlue	direct
04 Sep - 07 Sep	jetBlue	direct
14 Sep - 18 Sep	Spirit Airlines
14 Sep - 19 Sep	Spirit Airlines
18 Sep - 30 Sep	Copa
16 Sep - 23 Sep	Copa
18 Sep - 30 Sep	jetBlue	direct
16 Sep - 23 Sep	jetBlue	direct
28 Sep - 17 Oct	Spirit Airlines
22 Sep - 10 Oct	Spirit Airlines
28 Sep - 10 Oct	Spirit Airlines

Also check the deals for one-way flights from Santo Domingo to San Juan in September.

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 Santo Domingo to San Juan in September from $153

Return flights