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

One-Way flights

11 Aug	Porter Airlines (Canada) Ltd
20 Aug	Air Transat
21 Aug	Air Transat
20 Aug	Air Canada	direct
11 Aug	Austrian Airlines	direct
21 Aug	Air Canada	direct
12 Aug	Brussels Airlines	direct
29 Aug	Air Canada	direct

Also check the deals for return flights from Montreal to Vienna 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 Vienna in August from $344

One-Way flights