Cheapest return flights from Toronto to Barcelona in September from $678

Best time to book flights for Toronto (YTZ) to Barcelona (BCN) flights at AirHint

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

Return flights

12 Sep - 22 Sep Air Transat
12 Sep - 17 Sep Air Transat
02 Sep - 17 Sep Air Transat
20 Sep - 30 Sep Air Transat
18 Sep - 30 Sep Air Transat
21 Sep - 30 Sep Air Canada
19 Sep - 28 Sep Air Transat
24 Sep - 06 Oct Air Transat
12 Sep - 23 Sep Air Transat
07 Sep - 15 Sep SWISS

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

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona