AirHint found the following cheapest return flights from Mexico City (MEX) to San Salvador (SAL) in August 2025 (see full year).

Return flights

24 Aug - 27 Aug	Avianca
15 Aug - 18 Aug	Avianca
11 Aug - 15 Aug	Avianca
12 Aug - 15 Aug	Avianca
12 Aug - 19 Aug	Avianca
12 Aug - 17 Aug	Avianca
12 Aug - 18 Aug	Avianca
11 Aug - 12 Aug	Avianca
27 Aug - 31 Aug	Avianca
13 Aug - 19 Aug	Avianca

Also check the deals for one-way flights from Mexico City to San Salvador in August.

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 San Salvador

Cheap car rent in San Salvador

Cheapest return flights from Mexico City to San Salvador in August from 182€

Return flights