AirHint found the following cheapest one-way flights from Montreal (YUL) to Basel (BSL) in August 2025 (see full year).

One-Way flights

08 Aug	Porter Airlines (Canada) Ltd
17 Aug	Porter Airlines (Canada) Ltd
22 Aug	Porter Airlines (Canada) Ltd
23 Aug	WestJet
03 Aug	Porter Airlines (Canada) Ltd
24 Aug	WestJet
29 Aug	Air Transat	direct
01 Aug	Porter Airlines (Canada) Ltd
17 Aug	Air Transat	direct
08 Aug	Air Transat	direct

Also check the deals for return flights from Montreal to Basel 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 one-way flights from Montreal to Basel in August from 308€

One-Way flights