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

Return flights

16 Apr - 28 Apr	British Airways
23 Apr - 28 Apr	British Airways
22 Apr - 28 Apr	British Airways
21 Apr - 28 Apr	British Airways
16 Apr - 29 Apr	Icelandair
18 Apr - 29 Apr	Icelandair
14 Apr - 25 Apr	Icelandair
15 Apr - 29 Apr	Icelandair
14 Apr - 28 Apr	Icelandair
18 Apr - 28 Apr	Icelandair
20 Apr - 01 May	Icelandair
29 Apr - 12 May	Icelandair
29 Apr - 13 May	Icelandair
30 Apr - 21 May	Icelandair
16 Apr - 01 May	Icelandair
20 Apr - 04 May	Icelandair
28 Apr - 14 May	Icelandair
21 Apr - 05 May	Icelandair
30 Apr - 10 May	Icelandair
20 Apr - 05 May	Icelandair

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 327€

Return flights