Cheapest return BSL–YUL flights, September

AirHint found the following cheapest return flights from Basel (BSL) to Montreal (YUL) in September 2026 (see full year).

Return flights

07 Sep - 20 Sep Air Transat direct
10 Sep - 18 Sep Air Transat direct
14 Sep - 27 Sep Air Transat direct
01 Sep - 07 Sep easyJet
21 Sep - 09 Oct Air Transat direct
28 Sep - 09 Oct Air Transat direct
19 Sep - 02 Oct easyJet
19 Sep - 02 Oct Air Transat direct

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