Cheapest return flights from Ontario to San Salvador in September from $346

AirHint found the following cheapest return flights from Ontario (ONT) to San Salvador (SAL) in September 2026 (see full year).

Return flights

17 Sep - 24 Sep Avianca direct
05 Sep - 12 Sep Avianca direct
10 Sep - 19 Sep Avianca direct
01 Sep - 10 Sep Avianca direct
09 Sep - 19 Sep Azul Airlines
06 Sep - 14 Sep jetBlue
25 Sep - 30 Sep Azul Airlines

Also check the deals for one-way flights from Ontario to San Salvador in September.

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