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

Return flights

19 Sep - 23 Sep	Copa
26 Sep - 07 Oct	Copa
23 Sep - 30 Sep	Copa
25 Sep - 06 Oct	Copa
25 Sep - 29 Sep	Copa
07 Sep - 12 Sep	Copa
18 Sep - 21 Sep	Copa
20 Sep - 23 Sep	Copa
30 Sep - 05 Oct	Copa
09 Sep - 16 Sep	Copa
27 Sep - 04 Oct	Avianca
27 Sep - 30 Sep	Avianca
01 Sep - 07 Sep	Avianca
12 Sep - 16 Sep	Avianca

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 271€

Return flights