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

One-Way flights

24 Dec	Frontier Airlines
10 Dec	Alaska Airlines
13 Dec	Alaska Airlines
12 Dec	Alaska Airlines
14 Dec	Alaska Airlines
05 Dec	Alaska Airlines
25 Dec	Alaska Airlines
17 Dec	Alaska Airlines
01 Dec	Air Canada
07 Dec	Air Canada

Also check the deals for return flights from Ontario to Vancouver 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 one-way flights from Ontario to Vancouver in December from $103

One-Way flights