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

Return flights

16 Jun - 23 Jun	Air Transat
01 Jun - 08 Jun	British Airways
02 Jun - 09 Jun	British Airways
08 Jun - 15 Jun	British Airways
09 Jun - 16 Jun	British Airways
10 Jun - 17 Jun	British Airways
11 Jun - 18 Jun	Air Transat
04 Jun - 11 Jun	British Airways
07 Jun - 14 Jun	British Airways
03 Jun - 10 Jun	Air Transat
24 Jun - 01 Jul	British Airways
29 Jun - 06 Jul	British Airways
30 Jun - 07 Jul	British Airways
28 Jun - 05 Jul	British Airways
26 Jun - 03 Jul	British Airways

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

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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Cheapest return flights from Montreal to Basel in June from 732€

Return flights