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

Return flights

15 Aug - 19 Aug	Avianca
25 Aug - 29 Aug	Avianca
07 Aug - 14 Aug	Avianca
08 Aug - 12 Aug	Avianca
01 Aug - 15 Aug	Avianca
05 Aug - 09 Aug	Avianca
04 Aug - 09 Aug	Avianca
01 Aug - 03 Aug	Avianca
02 Aug - 09 Aug	Avianca
03 Aug - 06 Aug	Avianca

Also check the deals for one-way flights from San Salvador to Quito 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 San Salvador to Quito in August from $322

Return flights