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

Return flights

18 Jan - 25 Jan	Aer Lingus
23 Jan - 27 Jan	Air Canada
28 Jan - 03 Feb	Aer Lingus
22 Jan - 26 Jan	Aer Lingus
30 Jan - 06 Feb	Aer Lingus
15 Jan - 19 Jan	Aer Lingus
25 Jan - 30 Jan	Air Canada
18 Jan - 22 Jan	Aer Lingus
28 Jan - 02 Feb	Lufthansa
29 Jan - 04 Feb	Aer Lingus
22 Jan - 28 Jan	Aer Lingus
31 Jan - 11 Feb	Aer Lingus
15 Jan - 22 Jan	Aer Lingus
21 Jan - 31 Jan	Air Canada
21 Jan - 28 Jan	Aer Lingus
22 Jan - 05 Feb	Air Transat
28 Jan - 11 Feb	Icelandair
28 Jan - 05 Feb	Royal Air Maroc
23 Jan - 02 Feb	Aer Lingus
23 Jan - 08 Feb	Aer Lingus

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 416€

Return flights