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

Return flights

08 Apr - 29 Apr	TAP
06 Apr - 20 Apr	TAP
08 Apr - 19 Apr	TAP
27 Apr - 04 May	TAP
01 Apr - 04 Apr	TAP
14 Apr - 28 Apr	Icelandair
09 Apr - 16 Apr	Icelandair
03 Apr - 15 Apr	Icelandair
23 Apr - 27 Apr	Icelandair
24 Apr - 02 May	Icelandair
17 Apr - 24 Apr	Icelandair
18 Apr - 25 Apr	Icelandair
29 Apr - 20 May	TAP
06 Apr - 04 May	TAP
13 Apr - 03 May	TAP
30 Apr - 10 May	Icelandair
14 Apr - 09 May	Icelandair
25 Apr - 16 May	Icelandair
11 Apr - 02 May	Icelandair
15 Apr - 07 May	Icelandair

Also check the deals for one-way flights from Toronto to London 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 Toronto to London in April from 427€

Return flights