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

Return flights

24 Aug - 26 Aug	Avianca
30 Aug - 05 Sep	Copa
28 Aug - 07 Sep	Copa
29 Aug - 08 Sep	Avianca
29 Aug - 04 Sep	Avianca
23 Aug - 31 Aug	Avianca
28 Aug - 07 Sep	Avianca	direct
22 Aug - 31 Aug	Avianca
22 Aug - 29 Aug	Avianca
24 Aug - 29 Aug	Avianca

Also check the deals for one-way flights from Quito 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.

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Cheapest return flights from Quito to San Salvador in August from 266€

Return flights