Cheapest return flights from Montreal to Barcelona in September from $449

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

Return flights

21 Sep - 08 Oct TAP
22 Sep - 08 Oct TAP
03 Sep - 18 Sep TAP
01 Sep - 09 Sep Air Transat direct
03 Sep - 18 Sep Air Transat direct
01 Sep - 15 Sep Air Transat direct
02 Sep - 16 Sep Air Transat direct
03 Sep - 17 Sep Air Transat direct
02 Sep - 09 Sep Air Transat direct
08 Sep - 15 Sep Air Transat direct
16 Sep - 23 Sep Air Transat direct
14 Sep - 23 Sep Air Transat direct
16 Sep - 07 Oct Air Transat direct
29 Sep - 23 Oct Air Transat direct
24 Sep - 08 Oct Air Transat direct
28 Sep - 23 Oct Air Transat direct
22 Sep - 08 Oct Air Transat direct
21 Sep - 02 Oct Air Transat direct
22 Sep - 02 Oct Air Transat direct
11 Sep - 01 Oct British Airways

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