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

Return flights

27 Dec - 27 Jan	Air Transat	direct
27 Dec - 31 Jan	Air Transat	direct
29 Dec - 06 Jan	SWISS
29 Dec - 30 Jan	Air Transat	direct
28 Dec - 06 Jan	SWISS
28 Dec - 08 Jan	SWISS
31 Dec - 17 Jan	easyJet
29 Dec - 18 Jan	TAP
28 Dec - 24 Jan	Air Transat	direct
30 Dec - 20 Jan	Air Transat	direct
29 Dec - 31 Dec	TAP
29 Dec - 31 Dec	Air Transat	direct
27 Dec - 29 Dec	Air Transat	direct
27 Dec - 31 Dec	Air Transat	direct
27 Dec - 30 Dec	Air Transat	direct
29 Dec - 29 Dec	Air Transat	direct

Also check the deals for one-way flights from London to Toronto 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 Toronto

Cheap car rent in Toronto

Cheapest return flights from London to Toronto in December from 572€

Return flights