Cheapest return flights from Montreal to Ljubljana in September from $705

Best time to book flights for Montreal (YUL) to Ljubljana (LJU) flights at AirHint

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

Return flights

23 Sep - 30 Sep SWISS
25 Sep - 02 Oct SWISS
27 Sep - 04 Oct SWISS
29 Sep - 06 Oct SWISS
24 Sep - 01 Oct Lufthansa
30 Sep - 07 Oct Lufthansa
04 Sep - 11 Sep KLM
26 Sep - 03 Oct Brussels Airlines
01 Sep - 08 Sep Air France
28 Sep - 05 Oct Lufthansa
18 Sep - 25 Sep KLM
17 Sep - 24 Sep FrenchBee
19 Sep - 26 Sep FrenchBee
10 Sep - 17 Sep FrenchBee
08 Sep - 15 Sep FrenchBee
03 Sep - 10 Sep Air France
11 Sep - 18 Sep SWISS

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

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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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