AirHint found the following cheapest return flights from Toronto (YYZ) to London (LHR) in January 2026 (see full year).

Return flights

18 Jan - 25 Jan	TAP
18 Jan - 26 Jan	TAP
25 Jan - 01 Feb	TAP
18 Jan - 04 Feb	TAP
18 Jan - 01 Feb	TAP
25 Jan - 29 Jan	Icelandair
18 Jan - 02 Feb	Icelandair
20 Jan - 05 Feb	Icelandair
19 Jan - 03 Feb	Icelandair
31 Jan - 04 Feb	Icelandair
22 Jan - 05 Feb	Icelandair
20 Jan - 02 Feb	Icelandair
18 Jan - 06 Feb	Icelandair
18 Jan - 22 Jan	Icelandair
18 Jan - 31 Jan	Icelandair
22 Jan - 31 Jan	Icelandair
19 Jan - 26 Jan	Icelandair
22 Jan - 26 Jan	Icelandair
19 Jan - 27 Jan	Icelandair
18 Jan - 27 Jan	TAP

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

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 London in January from $503

Return flights