Cheapest return flights from Montreal to Barcelona in September from $646

Best time to book flights for Montreal (YUL) to Barcelona (BCN) flights at AirHint

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

Return flights

24 Sep - 01 Oct Air Canada direct
29 Sep - 06 Oct Air Canada direct
30 Sep - 07 Oct Air Canada direct
25 Sep - 02 Oct TAP
25 Sep - 02 Oct Air Canada direct
01 Sep - 08 Sep Air Transat direct
04 Sep - 11 Sep Air Transat direct
11 Sep - 18 Sep Air Transat direct
14 Sep - 21 Sep Air Transat direct
15 Sep - 22 Sep Air Transat direct
17 Sep - 24 Sep Air Transat direct
18 Sep - 25 Sep Air Transat direct
19 Sep - 26 Sep Air Transat direct
23 Sep - 30 Sep Air Transat direct
26 Sep - 03 Oct Air Transat direct
03 Sep - 10 Sep Air Transat direct
28 Sep - 05 Oct TAP
27 Sep - 04 Oct Air Canada
27 Sep - 04 Oct Air Transat direct
28 Sep - 05 Oct Air Canada direct

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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