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

Return flights

20 Apr - 26 Apr	Icelandair
17 Apr - 24 Apr	Icelandair
22 Apr - 28 Apr	Icelandair
17 Apr - 25 Apr	Icelandair
18 Apr - 26 Apr	Icelandair
17 Apr - 27 Apr	Icelandair
15 Apr - 23 Apr	Icelandair
18 Apr - 28 Apr	Icelandair
19 Apr - 26 Apr	Icelandair
23 Apr - 26 Apr	Icelandair
28 Apr - 09 May	Icelandair
29 Apr - 06 May	Icelandair
22 Apr - 27 May	TAP
24 Apr - 08 May	Icelandair
30 Apr - 06 May	Icelandair
25 Apr - 11 May	Icelandair
27 Apr - 11 May	Icelandair
19 Apr - 03 May	Aer Lingus
28 Apr - 19 May	Aer Lingus
27 Apr - 03 May	Air Canada

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 $431

Return flights