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

Return flights

14 Apr - 17 Apr	Air Canada
22 Apr - 29 Apr	Air Canada
25 Apr - 27 Apr	Air Canada
21 Apr - 06 May	Air Canada
21 Apr - 30 Apr	Air Canada
19 Apr - 25 Apr	Air Canada
18 Apr - 22 Apr	Air Canada
19 Apr - 26 Apr	Air Canada
15 Apr - 25 Apr	Air Canada
30 Apr - 09 May	Air Canada
29 Apr - 09 May	Air Canada
25 Apr - 02 May	Air Canada
26 Apr - 30 May	Air Canada
16 Apr - 11 May	Lufthansa
11 Apr - 15 Apr	Air Canada
09 Apr - 19 Apr	Air Canada
25 Apr - 01 May	Air Canada
18 Apr - 02 May	Air Canada
28 Apr - 12 May	Air Canada
27 Apr - 11 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 $494

Return flights