Cheapest return flights from London to Toronto in September from $445

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

Return flights

10 Sep - 22 Sep Air Transat
15 Sep - 17 Sep Air Transat
12 Sep - 21 Sep Air Transat
04 Sep - 22 Sep Air Transat
26 Sep - 04 Oct Air Transat
21 Sep - 04 Oct Air Transat
09 Sep - 15 Sep Air Transat
25 Sep - 27 Sep Air Transat
09 Sep - 18 Sep Air Transat
17 Sep - 18 Sep Air Transat
04 Sep - 18 Sep Air Transat
17 Sep - 27 Sep Air Transat
19 Sep - 03 Oct Air Transat
22 Sep - 13 Oct Air Transat
21 Sep - 06 Oct Air Transat
28 Sep - 09 Oct Air Transat
17 Sep - 01 Oct Air Transat
26 Sep - 03 Oct Air Transat
14 Sep - 05 Oct Air Transat
18 Sep - 01 Oct Air Transat

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