Cheapest return flights from Toronto to London in September from $730

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

Return flights

30 Sep - 10 Oct Air Canada
10 Sep - 20 Sep Air Canada
04 Sep - 01 Oct Porter Airlines (Canada) Ltd
13 Sep - 14 Sep Air Canada

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

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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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