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

Return flights

27 Jan - 10 Feb	Aer Lingus
29 Jan - 05 Feb	Air Transat
16 Jan - 19 Jan	Aer Lingus
28 Jan - 18 Feb	Aer Lingus
10 Jan - 31 Jan	Air Transat
24 Jan - 31 Jan	Air Transat
17 Jan - 07 Feb	Air Transat
17 Jan - 24 Jan	Air Transat
06 Jan - 13 Jan	Aer Lingus
08 Jan - 04 Feb	Aer Lingus
06 Jan - 31 Jan	Aer Lingus
11 Jan - 06 Feb	Air France
03 Jan - 05 Feb	Aer Lingus
05 Jan - 10 Jan	Aer Lingus
03 Jan - 24 Jan	Air Transat
22 Jan - 04 Feb	TAP
12 Jan - 19 Jan	Icelandair
05 Jan - 08 Jan	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 464€

Return flights