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

Return flights

12 Oct - 15 Oct	WestJet
17 Oct - 21 Oct	WestJet
18 Oct - 21 Oct	WestJet
13 Oct - 22 Oct	Icelandair
03 Oct - 07 Oct	Icelandair
02 Oct - 25 Oct	Icelandair
05 Oct - 25 Oct	Icelandair
16 Oct - 25 Oct	Icelandair
01 Oct - 25 Oct	Icelandair
04 Oct - 25 Oct	Icelandair
29 Oct - 03 Nov	Air Canada
01 Oct - 08 Nov	Lufthansa
27 Oct - 22 Nov	Air Canada
25 Oct - 15 Nov	Air Canada
14 Oct - 08 Nov	Air Canada
13 Oct - 08 Nov	Air Canada
24 Oct - 15 Nov	Air Canada
22 Oct - 15 Nov	Air Canada
28 Oct - 22 Nov	Air Canada
25 Oct - 02 Nov	British Airways

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 418€

Return flights