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

Return flights

05 Mar - 28 Mar	Icelandair
05 Mar - 08 Mar	Icelandair
05 Mar - 12 Mar	Icelandair
02 Mar - 13 Mar	Icelandair
01 Mar - 07 Mar	Icelandair
07 Mar - 13 Mar	Icelandair
09 Mar - 17 Mar	Icelandair
10 Mar - 15 Mar	Icelandair
07 Mar - 15 Mar	Icelandair
10 Mar - 26 Mar	Icelandair
31 Mar - 25 Apr	Icelandair
09 Mar - 04 Apr	Flair Airlines
31 Mar - 28 Apr	Icelandair
31 Mar - 05 Apr	Icelandair
31 Mar - 10 Apr	Icelandair
30 Mar - 06 Apr	TAP
23 Mar - 18 Apr	Aer Lingus
29 Mar - 18 Apr	Aer Lingus
22 Mar - 11 Apr	TAP
25 Mar - 18 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 $506

Return flights