AirHint found the following cheapest return flights from Quebec (YQB) to Montreal (YHU) in August 2025 (see full year).

Return flights

19 Aug - 26 Aug	Privilege Style	direct
27 Aug - 18 Sep	Privilege Style	direct
18 Aug - 24 Aug	Privilege Style	direct
27 Aug - 30 Aug	Privilege Style	direct
29 Aug - 01 Sep	Privilege Style	direct
30 Aug - 06 Sep	Privilege Style	direct

Also check the deals for one-way flights from Quebec to Montreal 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 Quebec to Montreal in August from 181€

Return flights