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

Return flights

09 Dec - 16 Dec	Air Transat
04 Dec - 09 Dec	American Airlines
05 Dec - 09 Dec	Icelandair
01 Dec - 11 Dec	Air Canada
08 Dec - 15 Dec	Lufthansa
01 Dec - 14 Dec	Virgin Atlantic
11 Dec - 16 Dec	Virgin Atlantic
04 Dec - 07 Dec	Delta
03 Dec - 07 Dec	Delta
05 Dec - 08 Dec	Virgin Atlantic
30 Dec - 24 Jan	Virgin Atlantic
30 Dec - 14 Jan	Delta
11 Dec - 11 Jan	TAP
28 Dec - 17 Jan	Air Canada
29 Dec - 24 Jan	Air Canada
26 Dec - 16 Jan	Air Transat
24 Dec - 17 Jan	Air Transat
26 Dec - 17 Jan	Air Transat
27 Dec - 17 Jan	Air Canada
31 Dec - 09 Jan	Porter Airlines (Canada) Ltd

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 $479

Return flights