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

Return flights

21 Oct - 06 Nov	WestJet
17 Oct - 05 Nov	WestJet
20 Oct - 15 Nov	WestJet
09 Oct - 15 Oct	Icelandair
20 Oct - 18 Nov	WestJet
27 Oct - 22 Nov	Air Canada
24 Oct - 05 Nov	Air Transat
21 Oct - 15 Nov	WestJet
30 Oct - 22 Nov	Air Canada
17 Oct - 04 Nov	WestJet
18 Oct - 24 Oct	Icelandair
15 Oct - 23 Oct	Iberia
13 Oct - 23 Oct	Iberia
15 Oct - 24 Oct	Iberia
28 Oct - 22 Nov	Air Canada
19 Oct - 23 Oct	Lufthansa	direct
05 Oct - 09 Oct	Air Canada
13 Oct - 23 Oct	Lufthansa	direct
24 Oct - 29 Oct	Delta
16 Oct - 29 Oct	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 $483

Return flights