Cheapest return flights from Toronto to London in September from $661

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

Return flights

08 Sep - 15 Sep Air Transat
14 Sep - 25 Sep Air Transat
18 Sep - 25 Sep Air Transat
13 Sep - 20 Sep Air Transat
13 Sep - 22 Sep Air Transat
11 Sep - 20 Sep Air Transat
07 Sep - 20 Sep Air Transat
10 Sep - 20 Sep Air Transat
03 Sep - 25 Sep Air Transat
04 Sep - 25 Sep Air Transat
15 Sep - 03 Oct Air Transat
27 Sep - 03 Oct Air Transat
24 Sep - 07 Oct Air Transat
23 Sep - 03 Oct Air Transat
23 Sep - 07 Oct 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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