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

Return flights

05 Jun - 19 Jun	Delta
01 Jun - 12 Jun	Lufthansa
03 Jun - 08 Jun	Delta
29 Jun - 06 Jul	Delta
29 Jun - 20 Jul	Virgin Atlantic
29 Jun - 09 Jul	Delta
29 Jun - 19 Jul	Delta
03 Jun - 07 Jun	Delta
03 Jun - 19 Jun	Delta
03 Jun - 17 Jun	Delta
10 Jun - 19 Jun	Delta
10 Jun - 17 Jun	Delta
10 Jun - 14 Jun	Delta
29 Jun - 08 Jul	Delta
03 Jun - 02 Jul	Delta
06 Jun - 13 Jun	KLM
30 Jun - 05 Jul	Lufthansa
25 Jun - 09 Jul	Delta
25 Jun - 06 Jul	Delta
28 Jun - 09 Jul	KLM

Also check the deals for one-way flights from London to Toronto 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 London to Toronto in June from $598

Return flights