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

Return flights

05 Dec - 12 Dec	Frontier Airlines
01 Dec - 15 Dec	LATAM Airlines Group
08 Dec - 15 Dec	LATAM Airlines Group
10 Dec - 15 Dec	Volaris
28 Dec - 11 Jan	Frontier Airlines
24 Dec - 31 Dec	LATAM Airlines Group
25 Dec - 14 Jan	LATAM Airlines Group
18 Dec - 13 Jan	Frontier Airlines
31 Dec - 08 Jan	LATAM Airlines Group
25 Dec - 08 Jan	Volaris
04 Dec - 10 Dec	Avianca
09 Dec - 15 Dec	Avianca
23 Dec - 20 Jan	Avianca
15 Dec - 11 Jan	LATAM Airlines Group
30 Dec - 08 Jan	Avianca
30 Dec - 06 Jan	Avianca
30 Dec - 07 Jan	LATAM Airlines Group
13 Dec - 20 Dec	Avianca
20 Dec - 27 Dec	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 $569

Return flights