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

Return flights

04 Oct - 09 Oct	Icelandair
18 Oct - 25 Oct	Icelandair
06 Oct - 13 Oct	WestJet
10 Oct - 13 Oct	WestJet
03 Oct - 13 Oct	WestJet
08 Oct - 22 Oct	WestJet
06 Oct - 14 Oct	WestJet
07 Oct - 21 Oct	WestJet
10 Oct - 20 Oct	WestJet
13 Oct - 20 Oct	WestJet
24 Oct - 07 Nov	Icelandair
28 Oct - 18 Nov	Aer Lingus
14 Oct - 04 Nov	Icelandair
29 Oct - 19 Nov	British Airways
15 Oct - 05 Nov	British Airways
15 Oct - 03 Nov	British Airways
10 Oct - 06 Nov	WestJet
15 Oct - 08 Nov	Air France
29 Oct - 08 Nov	Delta
24 Oct - 09 Nov	KLM

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 406€

Return flights