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

Return flights

28 Oct - 04 Nov	Air Canada
20 Oct - 04 Nov	WestJet
24 Oct - 31 Oct	Air Canada
21 Oct - 04 Nov	WestJet
07 Oct - 14 Oct	WestJet
29 Oct - 05 Nov	Air Canada
30 Oct - 06 Nov	Air Canada
20 Oct - 06 Nov	WestJet
21 Oct - 06 Nov	WestJet
21 Oct - 15 Nov	Icelandair
16 Oct - 23 Oct	Air Canada
21 Oct - 14 Nov	Icelandair
23 Oct - 14 Nov	Icelandair
14 Oct - 21 Oct	Air Canada
18 Oct - 24 Oct	Icelandair
13 Oct - 20 Oct	WestJet
15 Oct - 23 Oct	Iberia
13 Oct - 23 Oct	Iberia
15 Oct - 24 Oct	Iberia
09 Oct - 15 Oct	Icelandair

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.

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Cheapest return flights from Toronto to Barcelona in October from 425€

Return flights