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

Return flights

03 Mar - 10 Mar	SWISS
03 Mar - 16 Mar	SWISS
04 Mar - 16 Mar	SWISS
04 Mar - 18 Mar	SWISS
10 Mar - 24 Mar	SWISS
12 Mar - 24 Mar	SWISS
13 Mar - 24 Mar	SWISS
17 Mar - 30 Mar	SWISS
12 Mar - 18 Mar	SWISS
17 Mar - 24 Mar	SWISS
10 Mar - 19 Apr	Lufthansa
12 Mar - 19 Apr	Lufthansa
09 Mar - 19 Apr	Lufthansa
02 Mar - 19 Apr	Virgin Atlantic
06 Mar - 05 Apr	Virgin Atlantic
17 Mar - 26 Apr	SWISS
11 Mar - 19 Apr	British Airways
11 Mar - 05 Apr	Virgin Atlantic
31 Mar - 07 Apr	British Airways
25 Mar - 07 Apr	KLM

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 364€

Return flights