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

Return flights

04 Mar - 14 Mar	Air Canada
01 Mar - 14 Mar	Air Canada
01 Mar - 15 Mar	Air Canada
09 Mar - 15 Mar	Air Canada
01 Mar - 31 Mar	Air Canada
01 Mar - 06 Mar	Air Canada
09 Mar - 16 Mar	Air Canada
09 Mar - 22 Mar	Air Canada
13 Mar - 23 Mar	Air Canada
02 Mar - 09 Mar	Air Canada
24 Mar - 18 Apr	Air Canada
25 Mar - 15 Apr	Air Canada
20 Mar - 03 Apr	Air Canada
23 Mar - 13 Apr	Air Canada
24 Mar - 18 Apr	British Airways	direct
31 Mar - 29 Apr	Scandinavian Airlines
09 Mar - 12 Apr	Icelandair
26 Mar - 02 Apr	Aer Lingus
20 Mar - 04 Apr	Scandinavian Airlines
28 Mar - 07 Apr	Aer Lingus

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 $440

Return flights