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

Return flights

07 Jun - 14 Jun	Icelandair
01 Jun - 14 Jun	Icelandair
08 Jun - 15 Jun	Icelandair
05 Jun - 15 Jun	Icelandair
09 Jun - 13 Jun	Icelandair
01 Jun - 08 Jun	Icelandair
04 Jun - 11 Jun	Icelandair
02 Jun - 10 Jun	Icelandair
03 Jun - 10 Jun	Icelandair
10 Jun - 15 Jun	Icelandair
19 Jun - 04 Jul	TAP
05 Jun - 05 Jul	Icelandair
10 Jun - 01 Jul	Icelandair
11 Jun - 02 Jul	Icelandair
08 Jun - 04 Jul	Icelandair
12 Jun - 03 Jul	Icelandair
19 Jun - 07 Jul	TAP
19 Jun - 06 Jul	TAP
23 Jun - 11 Jul	TAP
05 Jun - 05 Jul	Air Canada	direct

Also check the deals for one-way flights from Toronto to London in June.

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 June from $585

Return flights