AirHint found the following cheapest return flights from Ontario (ONT) to Vancouver (YVR) in August 2025 (see full year).

Return flights

09 Aug - 12 Aug	Alaska Airlines
02 Aug - 16 Aug	Alaska Airlines
06 Aug - 15 Aug	Alaska Airlines
05 Aug - 12 Aug	Alaska Airlines
17 Aug - 19 Aug	Alaska Airlines
05 Aug - 13 Aug	Alaska Airlines
11 Aug - 18 Aug	Alaska Airlines
12 Aug - 19 Aug	Alaska Airlines
15 Aug - 19 Aug	Alaska Airlines
15 Aug - 18 Aug	Alaska Airlines
29 Aug - 01 Sep	Alaska Airlines
20 Aug - 10 Sep	Alaska Airlines
29 Aug - 02 Sep	Alaska Airlines
30 Aug - 13 Sep	Alaska Airlines
28 Aug - 01 Sep	Alaska Airlines

Also check the deals for one-way flights from Ontario to Vancouver in August.

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 Vancouver in August from $334

Return flights