AirHint found the following cheapest return flights from Madrid (MAD) to Montreal (YUL) in September 2026 (see full year).
Return flights
| 23 Sep - 02 Oct | Iberia | ||
| 07 Sep - 17 Sep | Air France | ||
| 12 Sep - 26 Sep | Air Canada | ||
| 07 Sep - 17 Sep | Lufthansa | direct | |
| 06 Sep - 10 Sep | SWISS |
Also check the deals for one-way flights from Madrid to Montreal in September.
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