Cheapest return flights from San Salvador to Buenos Aires in September from $730

AirHint found the following cheapest return flights from San Salvador (SAL) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

10 Sep - 25 Sep Avianca
19 Sep - 03 Oct Avianca
06 Sep - 12 Sep Avianca
18 Sep - 27 Sep Avianca
19 Sep - 28 Sep Avianca
23 Sep - 28 Sep Avianca
06 Sep - 20 Sep Copa
11 Sep - 16 Sep Copa
07 Sep - 14 Sep Avianca
19 Sep - 27 Sep Copa
20 Sep - 27 Sep Avianca
27 Sep - 04 Oct Copa

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

Skyscanner

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.