Cheapest one-way flights from Ontario to Lima in October from $264

AirHint found the following cheapest one-way flights from Ontario (ONT) to Lima (LIM) in October 2025 (see full year).

One-Way flights

28 Oct Frontier Airlines
27 Oct Frontier Airlines
23 Oct Frontier Airlines
24 Oct Frontier Airlines

Also check the deals for return flights from Ontario to Lima in October.

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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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