AirHint found the following cheapest return flights from Montreal (YUL) to Barcelona (BCN) in October 2026 (see full year).
Return flights
| 02 Oct - 11 Oct | FrenchBee | ||
| 02 Oct - 11 Oct | Air Transat | direct | |
| 24 Oct - 31 Oct | Lufthansa |
Also check the deals for one-way flights from Montreal to Barcelona in October.
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