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

Return flights

13 Jan - 18 Jan	Aer Lingus
28 Jan - 04 Feb	Aer Lingus
16 Jan - 23 Jan	Aer Lingus
14 Jan - 18 Jan	Aer Lingus
26 Jan - 07 Feb	Aer Lingus
23 Jan - 06 Feb	Air France
05 Jan - 18 Jan	Aer Lingus
05 Jan - 19 Jan	Aer Lingus
06 Jan - 11 Jan	Aer Lingus
08 Jan - 15 Jan	Neos Air
07 Jan - 13 Jan	Air Transat
07 Jan - 21 Jan	Air Transat
03 Jan - 10 Jan	Air Transat
05 Jan - 04 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 504€

Return flights