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

Return flights

27 Jan - 03 Feb	Aer Lingus
12 Jan - 26 Jan	Aer Lingus
12 Jan - 19 Jan	Aer Lingus
14 Jan - 18 Jan	TAP
26 Jan - 21 Feb	Icelandair
29 Jan - 05 Feb	Air Transat
16 Jan - 19 Jan	TAP
16 Jan - 25 Jan	Aer Lingus
23 Jan - 30 Jan	TAP
15 Jan - 01 Feb	TAP
12 Jan - 07 Feb	Aer Lingus
08 Jan - 19 Jan	TAP
19 Jan - 14 Feb	Aer Lingus
23 Jan - 31 Jan	TAP
30 Jan - 08 Feb	Aer Lingus
12 Jan - 20 Jan	TAP
08 Jan - 20 Jan	TAP
17 Jan - 07 Feb	Air Transat
14 Jan - 07 Feb	Aer Lingus
29 Jan - 01 Feb	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 $541

Return flights