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

One-Way flights

29 Sep	Alaska Airlines
15 Sep	Alaska Airlines
17 Sep	Alaska Airlines
16 Sep	Alaska Airlines
23 Sep	Alaska Airlines
20 Sep	Alaska Airlines
22 Sep	Alaska Airlines
21 Sep	Alaska Airlines
09 Sep	Alaska Airlines
10 Sep	Alaska Airlines

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

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 September from $161

One-Way flights