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

Return flights

03 Dec - 10 Dec	Air Transat
03 Dec - 09 Dec	Icelandair
05 Dec - 12 Dec	Icelandair
01 Dec - 08 Dec	Virgin Atlantic
01 Dec - 12 Dec	Virgin Atlantic
03 Dec - 14 Dec	Delta
14 Dec - 22 Dec	Virgin Atlantic
04 Dec - 11 Dec	Icelandair
04 Dec - 08 Dec	KLM
04 Dec - 13 Dec	KLM
10 Dec - 06 Jan	Icelandair
13 Dec - 11 Jan	American Airlines
29 Dec - 17 Jan	Air Canada
31 Dec - 11 Jan	British Airways
27 Dec - 07 Jan	British Airways
15 Dec - 10 Jan	TAP
15 Dec - 07 Jan	TAP
25 Dec - 08 Jan	British Airways
29 Dec - 07 Jan	Air Canada
24 Dec - 17 Jan	Iberia

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

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 December from $514

Return flights