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

Return flights

16 Oct - 20 Oct	Norwegian
09 Oct - 15 Oct	TAP
09 Oct - 14 Oct	TAP
08 Oct - 21 Oct	TAP
08 Oct - 15 Oct	TAP
10 Oct - 16 Oct	Air Transat
23 Oct - 06 Nov	SWISS
14 Oct - 21 Oct	easyJet
08 Oct - 12 Oct	TAP
24 Oct - 19 Nov	Air Transat
29 Oct - 18 Nov	Air Transat	direct
22 Oct - 09 Nov	Air Transat	direct
29 Oct - 12 Nov	Air Transat	direct
22 Oct - 04 Nov	Air Transat	direct
24 Oct - 05 Nov	Air Transat
24 Oct - 07 Nov	Air Transat
29 Oct - 05 Nov	Air Transat	direct
10 Oct - 16 Oct	Air Transat	direct
10 Oct - 17 Oct	Air Transat
15 Oct - 06 Nov	SWISS

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

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 October from $418

Return flights