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

Return flights

14 Mar - 16 Apr	Icelandair
14 Mar - 21 Mar	Icelandair
05 Mar - 17 Mar	Icelandair
03 Mar - 17 Mar	Icelandair
06 Mar - 18 Mar	Icelandair
11 Mar - 23 Mar	Icelandair
14 Mar - 18 Mar	Icelandair
11 Mar - 24 Mar	Icelandair
14 Mar - 26 Mar	Icelandair
09 Mar - 18 Mar	Icelandair
06 Mar - 08 Mar	Icelandair
02 Mar - 19 Apr	Icelandair
09 Mar - 19 Apr	Icelandair
10 Mar - 19 Apr	Icelandair
11 Mar - 19 Apr	Icelandair
12 Mar - 19 Apr	Icelandair
08 Mar - 03 Apr	Icelandair
12 Mar - 02 Apr	Icelandair
17 Mar - 01 Apr	Icelandair
17 Mar - 01 Apr	Air Transat	direct

Also check the deals for one-way flights from London to Toronto 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 London to Toronto in March from 320€

Return flights