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

Return flights

10 Mar - 30 Mar	Icelandair
06 Mar - 19 Mar	Icelandair
06 Mar - 22 Mar	Icelandair
02 Mar - 22 Mar	Icelandair
03 Mar - 22 Mar	Icelandair
11 Mar - 30 Mar	Icelandair
11 Mar - 22 Mar	Icelandair
13 Mar - 19 Mar	Icelandair
03 Mar - 09 Mar	Icelandair
04 Mar - 23 Mar	Icelandair
18 Mar - 21 Apr	Air Canada	direct
19 Mar - 20 Apr	Air Canada
19 Mar - 21 Apr	Air Canada
19 Mar - 25 Apr	Air Canada
19 Mar - 24 Apr	Air Canada	direct
12 Mar - 02 Apr	Austrian Airlines
17 Mar - 01 Apr	British Airways
17 Mar - 06 Apr	British Airways
09 Mar - 01 Apr	British Airways
11 Mar - 01 Apr	Lufthansa

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 329€

Return flights