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

Return flights

23 Apr - 27 Apr	Icelandair
23 Apr - 26 Apr	Icelandair
23 Apr - 29 Apr	Icelandair
22 Apr - 26 Apr	Icelandair
16 Apr - 19 Apr	Icelandair
22 Apr - 29 Apr	Icelandair
16 Apr - 25 Apr	Icelandair
22 Apr - 28 Apr	Lufthansa
22 Apr - 02 May	Lufthansa
23 Apr - 30 Apr	Icelandair
30 Apr - 04 May	Icelandair
29 Apr - 21 May	Icelandair
28 Apr - 05 May	Icelandair
15 Apr - 28 Apr	Icelandair
27 Apr - 03 May	British Airways
29 Apr - 09 May	Air Canada
27 Apr - 04 May	Aer Lingus
24 Apr - 03 May	British Airways
11 Apr - 03 May	British Airways
17 Apr - 03 May	British Airways

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 $447

Return flights