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

Return flights

28 Dec - 11 Jan	Frontier Airlines
17 Dec - 22 Jan	Volaris
24 Dec - 01 Jan	Volaris
25 Dec - 01 Jan	Volaris
16 Dec - 23 Dec	Volaris
16 Dec - 13 Jan	Avianca
19 Dec - 23 Dec	Volaris
16 Dec - 30 Dec	Volaris
23 Dec - 28 Dec	Avianca
27 Dec - 01 Jan	LATAM Airlines Group
24 Dec - 30 Dec	Volaris
31 Dec - 06 Jan	Volaris
14 Dec - 07 Jan	Volaris
30 Dec - 05 Jan	Volaris
27 Dec - 07 Jan	Avianca
22 Dec - 27 Dec	Volaris
17 Dec - 24 Dec	Volaris

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 $882

Return flights