Cheapest return flights from Montreal to Barcelona in September from $502

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

Return flights

19 Sep - 24 Sep Air Transat direct
23 Sep - 09 Oct Air Canada direct
28 Sep - 09 Oct Air Canada direct
29 Sep - 09 Oct Air Canada direct
23 Sep - 07 Oct Lufthansa direct
30 Sep - 07 Oct Air Canada direct
29 Sep - 07 Oct Air Canada direct
28 Sep - 07 Oct Air Canada direct
23 Sep - 30 Sep Air Canada
29 Sep - 23 Oct Lufthansa direct
29 Sep - 31 Oct Lufthansa direct
21 Sep - 11 Oct Air Transat direct
19 Sep - 26 Sep KLM
23 Sep - 30 Sep Lufthansa direct
19 Sep - 25 Sep Air France
24 Sep - 30 Sep FrenchBee
22 Sep - 29 Sep FrenchBee
18 Sep - 21 Sep Air Transat direct
21 Sep - 30 Sep FrenchBee
18 Sep - 30 Sep Porter Airlines (Canada) Ltd

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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