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

Return flights

13 Oct - 08 Nov	Air Canada
02 Oct - 25 Oct	Air Canada
26 Oct - 15 Nov	Air Canada
13 Oct - 24 Oct	Air Canada
12 Oct - 25 Oct	Air Canada
13 Oct - 25 Oct	Air Canada
05 Oct - 25 Oct	Air Canada
03 Oct - 25 Oct	Air Canada
21 Oct - 25 Oct	Air Canada
07 Oct - 14 Oct	Porter Airlines (Canada) Ltd
21 Oct - 30 Oct	Air Canada
19 Oct - 30 Oct	Air Canada
06 Oct - 01 Nov	Air Canada
17 Oct - 08 Nov	Air Canada
25 Oct - 02 Nov	Air Canada
20 Oct - 02 Nov	SWISS

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

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

Cheapest return flights from Toronto to Barcelona in October from $529

Return flights