Cheapest return flights from Montreal to Barcelona in September from $673

AirHint found the following cheapest return flights from Montreal (YUL) to Barcelona (BCN) in September 2026 (see full year).

Return flights

25 Sep - 08 Oct Air Canada direct
01 Sep - 08 Sep Air Transat direct
02 Sep - 09 Sep Air Transat direct
11 Sep - 28 Sep TAP
25 Sep - 04 Oct Air Canada
13 Sep - 20 Sep Air Transat
25 Sep - 04 Oct Air Transat direct
11 Sep - 28 Sep Air Canada direct
03 Sep - 10 Sep Air Transat direct
13 Sep - 20 Sep Air Transat direct
05 Sep - 19 Sep Air Transat direct

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

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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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