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

Return flights

18 Mar - 24 Mar	Icelandair
18 Mar - 27 Mar	Icelandair
17 Mar - 26 Mar	Icelandair
22 Mar - 29 Mar	Icelandair
17 Mar - 23 Mar	Icelandair
05 Mar - 12 Mar	Icelandair
02 Mar - 06 Mar	Icelandair
08 Mar - 14 Mar	Icelandair
03 Mar - 09 Mar	Icelandair
23 Mar - 15 Apr	TAP
03 Mar - 14 Mar	Icelandair
31 Mar - 28 Apr	Icelandair
23 Mar - 06 Apr	Aer Lingus
26 Mar - 27 Apr	Aer Lingus
23 Mar - 18 Apr	Aer Lingus
26 Mar - 18 Apr	Aer Lingus
26 Mar - 10 Apr	Aer Lingus
29 Mar - 18 Apr	Aer Lingus
25 Mar - 18 Apr	Aer Lingus
27 Mar - 03 Apr	Icelandair

Also check the deals for one-way flights from Toronto to London in March.

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 March from 424€

Return flights