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

Return flights

17 Sep - 23 Sep	Air Transat
17 Sep - 04 Oct	Air Transat
17 Sep - 15 Oct	Air Transat
17 Sep - 19 Oct	Air Transat
24 Sep - 24 Oct	Air Transat
25 Sep - 04 Oct	Air Canada
18 Sep - 24 Sep	ITA Airways
17 Sep - 14 Oct	Air Transat
18 Sep - 23 Sep	Air Transat
18 Sep - 01 Oct	Air Transat
25 Sep - 11 Oct	Air Canada
25 Sep - 02 Oct	ITA Airways
27 Sep - 04 Oct	Air Canada
16 Sep - 24 Sep	Air Transat
15 Sep - 22 Sep	ITA Airways
22 Sep - 27 Sep	ITA Airways
16 Sep - 21 Sep	Air Europa
15 Sep - 28 Sep	ITA Airways
23 Sep - 26 Sep	Vueling Airlines
16 Sep - 20 Sep	Ryanair

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

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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto

Cheapest return flights from Barcelona to Toronto in September from 384€

Return flights