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

One-Way flights

21 Oct	Alaska Airlines
22 Oct	Alaska Airlines
24 Oct	Alaska Airlines
27 Oct	Alaska Airlines
11 Oct	Alaska Airlines
18 Oct	Alaska Airlines
28 Oct	Alaska Airlines
23 Oct	Alaska Airlines
09 Oct	Alaska Airlines
17 Oct	Alaska Airlines

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

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 one-way flights from Ontario to Vancouver in October from $174

One-Way flights