Cheapest return flights from Montreal to Basel in September from $727

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

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

Return flights

23 Sep - 30 Sep Air Transat
30 Sep - 07 Oct Air Transat
05 Sep - 12 Sep Condor
17 Sep - 24 Sep Condor
04 Sep - 11 Sep Condor
09 Sep - 16 Sep Air Transat
29 Sep - 06 Oct Air Transat
25 Sep - 02 Oct TAP
10 Sep - 17 Sep Air Transat
01 Sep - 08 Sep Air Transat
03 Sep - 10 Sep Air Transat
24 Sep - 01 Oct Air Transat
11 Sep - 18 Sep Air Transat
18 Sep - 25 Sep Air Transat
26 Sep - 03 Oct Air Transat
27 Sep - 04 Oct Air Transat
28 Sep - 05 Oct Condor

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