AirHint found the following cheapest return flights from Montreal (YUL) to Basel (BSL) in December 2026 (see full year).
Return flights
| 02 Dec - 09 Dec | Air Transat | ||
| 01 Dec - 08 Dec | British Airways | ||
| 03 Dec - 10 Dec | British Airways | ||
| 05 Dec - 12 Dec | Air Transat | ||
| 04 Dec - 11 Dec | Air Transat |
Also check the deals for one-way flights from Montreal to Basel in December.
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