AirHint found the following cheapest return flights from San Salvador (SAL) to Buenos Aires (EZE) in January 2026 (see full year).

Return flights

15 Jan - 29 Jan	Avianca
26 Jan - 17 Feb	Avianca
20 Jan - 28 Jan	Avianca
27 Jan - 17 Feb	Avianca
02 Jan - 31 Jan	Avianca
23 Jan - 31 Jan	Avianca
13 Jan - 31 Jan	Avianca
30 Jan - 17 Feb	Avianca
30 Jan - 07 Feb	Avianca
31 Jan - 07 Feb	Avianca
29 Jan - 01 Feb	Avianca
14 Jan - 17 Jan	Copa
15 Jan - 17 Jan	Copa
04 Jan - 11 Jan	Copa

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

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 Buenos Aires in January from $710

Return flights