Cheapest return flights from Basel to Montreal in September from $449

Best time to book flights for Basel (BSL) to Montreal (YUL) flights at AirHint

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

Return flights

15 Sep - 24 Sep Air Transat direct
01 Sep - 14 Sep Air Transat direct
01 Sep - 17 Sep Air Transat direct
04 Sep - 14 Sep Air Transat direct
18 Sep - 22 Sep British Airways
18 Sep - 02 Oct British Airways
18 Sep - 10 Oct Air Transat direct
01 Sep - 08 Sep Air Canada
20 Sep - 24 Sep British Airways
20 Sep - 24 Sep Air Transat direct

Also check the deals for one-way flights from Basel to Montreal 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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