Cheapest return flights from Montreal to Vienna in September from $615

AirHint found the following cheapest return flights from Montreal (YUL) to Vienna (VIE) in September 2025 (see full year).

Return flights

13 Sep - 20 Sep Air Transat
29 Sep - 14 Oct Air Canada direct
29 Sep - 08 Oct Air Canada direct
28 Sep - 08 Oct Air Canada
04 Sep - 11 Sep Air Transat
30 Sep - 07 Oct Air Canada
15 Sep - 28 Sep FrenchBee
20 Sep - 30 Sep SWISS
12 Sep - 28 Sep FrenchBee
16 Sep - 23 Sep Air Transat
26 Sep - 17 Oct FrenchBee
02 Sep - 09 Sep Air Transat
28 Sep - 05 Oct Air Transat
04 Sep - 15 Sep Air Transat
07 Sep - 10 Sep Air Transat
15 Sep - 23 Sep FrenchBee
27 Sep - 08 Oct Air Canada
26 Sep - 08 Oct Air Canada
21 Sep - 30 Oct Air Canada
30 Sep - 07 Oct Brussels Airlines direct

Also check the deals for one-way flights from Montreal to Vienna in September.

Skyscanner

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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