Cheapest return flights from Toronto to London in September from $712

Best time to book flights for Toronto (YTZ) to London (LGW) flights at AirHint

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

Return flights

03 Sep - 11 Sep Air Transat
02 Sep - 04 Sep Air Transat
09 Sep - 09 Oct Air Transat
05 Sep - 08 Sep Air Transat
08 Sep - 15 Sep Air Transat
08 Sep - 19 Sep Air Transat
04 Sep - 13 Sep Air Transat
14 Sep - 07 Oct Air Transat
12 Sep - 22 Sep Air Transat
23 Sep - 08 Oct Porter Airlines (Canada) Ltd
30 Sep - 20 Oct Porter Airlines (Canada) Ltd

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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