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

Return flights

10 Jan - 16 Jan	Air Canada
16 Jan - 23 Jan	Air Canada
11 Jan - 26 Jan	Air Canada
16 Jan - 28 Jan	Air Canada
11 Jan - 21 Jan	Air Canada
11 Jan - 16 Jan	Air Canada
16 Jan - 24 Jan	Air Canada
15 Jan - 24 Jan	Air Canada
20 Jan - 31 Jan	Icelandair
29 Jan - 08 Feb	Icelandair
19 Jan - 26 Jan	Icelandair
29 Jan - 14 Feb	Icelandair
12 Jan - 11 Feb	Air Canada
12 Jan - 18 Feb	TAP
23 Jan - 07 Feb	Air Canada
12 Jan - 18 Feb	Air Canada	direct
25 Jan - 04 Feb	TAP
25 Jan - 05 Feb	TAP
23 Jan - 06 Feb	Air Canada	direct
24 Jan - 03 Feb	Icelandair

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 410€

Return flights