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

Return flights

31 Dec - 17 Jan	British Airways
02 Dec - 14 Dec	Air France
08 Dec - 15 Dec	Virgin Atlantic
02 Dec - 11 Dec	Virgin Atlantic
05 Dec - 12 Dec	Virgin Atlantic
03 Dec - 10 Dec	Virgin Atlantic
10 Dec - 15 Dec	Delta
07 Dec - 14 Dec	Delta
09 Dec - 15 Dec	Air France
04 Dec - 11 Dec	Delta
03 Dec - 07 Dec	Delta
30 Dec - 31 Jan	Air Canada
01 Dec - 08 Jan	Porter Airlines (Canada) Ltd
30 Dec - 10 Jan	Air Canada
15 Dec - 07 Jan	WestJet
29 Dec - 12 Jan	Lufthansa
28 Dec - 16 Jan	Air Canada
30 Dec - 08 Jan	Flair Airlines
27 Dec - 12 Jan	WestJet
30 Dec - 07 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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Toronto to Barcelona in December from 450€

Return flights