AirHint found the following cheapest return flights from Toronto (YYZ) to Guayaquil (GYE) in August 2025 (see full year).

Return flights

27 Aug - 09 Sep	Avianca
28 Aug - 11 Sep	Avianca
28 Aug - 09 Sep	Avianca
29 Aug - 11 Sep	Avianca
31 Aug - 11 Sep	Avianca
30 Aug - 11 Sep	Avianca
02 Aug - 09 Aug	Avianca
01 Aug - 09 Aug	Avianca
01 Aug - 10 Aug	Avianca
29 Aug - 08 Sep	Avianca
03 Aug - 09 Aug	Avianca
28 Aug - 01 Sep	Avianca

Also check the deals for one-way flights from Toronto to Guayaquil 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 Toronto to Guayaquil in August from $392

Return flights