Cheapest return flights from Toronto to London in September from $592

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

Return flights

17 Sep - 24 Sep TAP
23 Sep - 30 Sep TAP
17 Sep - 09 Oct British Airways direct
03 Sep - 26 Sep TAP
10 Sep - 26 Sep TAP
02 Sep - 07 Sep TAP
03 Sep - 17 Sep TAP
04 Sep - 13 Sep TAP
11 Sep - 21 Sep TAP
04 Sep - 14 Sep TAP
10 Sep - 22 Sep TAP
28 Sep - 11 Oct TAP
26 Sep - 31 Oct Lufthansa
29 Sep - 09 Oct Air Transat

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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