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

Return flights

26 Sep - 30 Sep	Copa
05 Sep - 11 Sep	Copa
30 Sep - 09 Oct	Copa
26 Sep - 03 Oct	Copa
12 Sep - 23 Sep	Copa
26 Sep - 29 Sep	Copa
16 Sep - 20 Sep	Copa
11 Sep - 22 Sep	Copa
02 Sep - 08 Sep	Copa
25 Sep - 28 Sep	Copa
27 Sep - 30 Sep	Copa
23 Sep - 27 Sep	Copa
29 Sep - 08 Oct	Copa

Also check the deals for one-way flights from San Salvador to Santo Domingo 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 San Salvador to Santo Domingo in September from $262

Return flights