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

Return flights

03 Mar - 09 Mar	SWISS
11 Mar - 25 Mar	SWISS
10 Mar - 24 Mar	SWISS
13 Mar - 24 Mar	SWISS
10 Mar - 19 Mar	SWISS
03 Mar - 24 Mar	SWISS
11 Mar - 21 Mar	SWISS
10 Mar - 21 Mar	SWISS
03 Mar - 23 Mar	SWISS
09 Mar - 25 Mar	SWISS
11 Mar - 28 Apr	Air Dolomiti
19 Mar - 23 Apr	Lufthansa
18 Mar - 25 Apr	Air Dolomiti
03 Mar - 19 Apr	Air Dolomiti
02 Mar - 19 Apr	Virgin Atlantic
07 Mar - 19 Apr	Virgin Atlantic
04 Mar - 29 Apr	Air Canada
03 Mar - 14 Apr	Lufthansa
13 Mar - 18 Apr	Lufthansa
16 Mar - 06 Apr	Air Dolomiti

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 457€

Return flights