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

Return flights

23 Apr - 05 May	British Airways
28 Apr - 05 May	British Airways
21 Apr - 05 May	British Airways
17 Apr - 23 Apr	SWISS
14 Apr - 23 Apr	SWISS
16 Apr - 28 Apr	Lufthansa
16 Apr - 27 Apr	ITA Airways
15 Apr - 30 Apr	ITA Airways
15 Apr - 23 Apr	Lufthansa
13 Apr - 23 Apr	Lufthansa
16 Apr - 23 Apr	Lufthansa
28 Apr - 14 May	Lufthansa
29 Apr - 07 May	SWISS
14 Apr - 28 Apr	SWISS
20 Apr - 27 Apr	SWISS
29 Apr - 04 May	SWISS
23 Apr - 07 May	Lufthansa
24 Apr - 04 May	Air Dolomiti
27 Apr - 04 May	Air Dolomiti
27 Apr - 07 May	Lufthansa

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 485€

Return flights