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

Return flights

11 Sep - 25 Sep	Air Transat
01 Sep - 22 Sep	Air Transat
29 Sep - 17 Oct	Air Transat
05 Sep - 20 Sep	Air Transat
26 Sep - 03 Oct	Condor
29 Sep - 18 Oct	Air Canada
30 Sep - 18 Oct	Air Canada
30 Sep - 17 Oct	Air Canada
07 Sep - 24 Sep	Lufthansa
25 Sep - 02 Oct	Air Transat
29 Sep - 17 Oct	Lufthansa	direct
26 Sep - 03 Oct	Lufthansa	direct
11 Sep - 25 Sep	Lufthansa	direct
07 Sep - 24 Sep	Lufthansa	direct
01 Sep - 22 Sep	Lufthansa	direct
05 Sep - 20 Sep	Lufthansa	direct

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

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Cheapest return flights from Toronto to Barcelona in September from 452€

Return flights