Cheapest return flights from Toronto to London in September from 395€

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

Return flights

17 Sep - 21 Sep Porter Airlines (Canada) Ltd
11 Sep - 17 Sep Porter Airlines (Canada) Ltd
11 Sep - 15 Sep Porter Airlines (Canada) Ltd
11 Sep - 23 Sep Porter Airlines (Canada) Ltd
21 Sep - 25 Sep Icelandair
12 Sep - 17 Sep Porter Airlines (Canada) Ltd
17 Sep - 07 Oct Icelandair
07 Sep - 15 Sep Air Transat
30 Sep - 07 Oct Icelandair
24 Sep - 08 Oct WestJet
12 Sep - 22 Sep Porter Airlines (Canada) Ltd
09 Sep - 11 Sep Air Transat
09 Sep - 16 Sep Air Transat
29 Sep - 09 Oct Icelandair
17 Sep - 08 Oct WestJet
23 Sep - 09 Oct Icelandair
23 Sep - 03 Oct Air Transat
30 Sep - 21 Oct Aer Lingus
25 Sep - 02 Oct Air Transat
16 Sep - 07 Oct Icelandair

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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