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

Return flights

28 Apr - 06 May	British Airways
28 Apr - 05 May	British Airways
14 Apr - 23 Apr	SWISS
23 Apr - 10 May	SWISS
15 Apr - 28 Apr	ITA Airways
15 Apr - 29 Apr	ITA Airways
30 Apr - 21 May	ITA Airways
15 Apr - 12 May	ITA Airways
16 Apr - 23 Apr	Lufthansa
15 Apr - 23 Apr	Lufthansa
28 Apr - 14 May	Lufthansa
17 Apr - 20 Apr	Lufthansa
14 Apr - 28 Apr	SWISS
20 Apr - 27 Apr	SWISS
27 Apr - 24 May	British Airways
14 Apr - 25 Apr	SWISS
29 Apr - 05 May	SWISS
29 Apr - 04 May	SWISS
27 Apr - 10 May	Lufthansa
17 Apr - 27 Apr	Air Dolomiti

Also check the deals for one-way flights from London to Toronto in April.

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 April from 482€

Return flights