AirHint found the following cheapest return flights from Toronto (YTZ) to London (LGW) in June 2025 (see full year).

Return flights

17 Jun - 20 Jun	Air Transat
16 Jun - 20 Jun	Air Transat
16 Jun - 23 Jun	Air Transat
16 Jun - 21 Jun	Air Transat
17 Jun - 24 Jun	Air Transat
17 Jun - 21 Jun	Air Transat
22 Jun - 26 Jun	Air Transat
22 Jun - 27 Jun	Air Transat
17 Jun - 29 Jun	Air Transat
22 Jun - 25 Jun	Air Transat
17 Jun - 03 Jul	Air Transat
22 Jun - 04 Jul	Air Transat
22 Jun - 02 Jul	Air Transat
22 Jun - 03 Jul	Air Transat
17 Jun - 01 Jul	Air Transat
24 Jun - 02 Jul	Air Transat
25 Jun - 02 Jul	Air Transat
24 Jun - 03 Jul	Air Transat
24 Jun - 04 Jul	Air Transat
17 Jun - 02 Jul	Air Transat

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 $742

Return flights