AirHint found the following cheapest return flights from Ontario (ONT) to Lima (LIM) in December 2025 (see full year).

Return flights

01 Dec - 10 Dec	LATAM Airlines Group
30 Dec - 26 Jan	LATAM Airlines Group
30 Dec - 30 Jan	LATAM Airlines Group
30 Dec - 31 Jan	LATAM Airlines Group
31 Dec - 30 Jan	LATAM Airlines Group
11 Dec - 18 Dec	Avianca
06 Dec - 17 Dec	LATAM Airlines Group
07 Dec - 20 Dec	Avianca
28 Dec - 20 Jan	Avianca
30 Dec - 04 Jan	Avianca
15 Dec - 29 Dec	LATAM Airlines Group
21 Dec - 31 Dec	Avianca
21 Dec - 04 Jan	Avianca
21 Dec - 06 Jan	Avianca
18 Dec - 04 Jan	Avianca
21 Dec - 01 Jan	Avianca

Also check the deals for one-way flights from Ontario to Lima in December.

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 Ontario to Lima in December from $658

Return flights