Cheapest return flights from London to Toronto in September from $576

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

Return flights

01 Sep - 17 Sep British Airways
23 Sep - 30 Sep Lufthansa
09 Sep - 17 Sep Lufthansa
09 Sep - 16 Sep Lufthansa
29 Sep - 09 Oct SWISS
04 Sep - 14 Sep Delta
17 Sep - 01 Oct Delta
14 Sep - 28 Sep Delta
28 Sep - 04 Oct Delta
17 Sep - 24 Sep KLM
17 Sep - 03 Oct KLM
03 Sep - 14 Sep KLM
01 Sep - 09 Sep KLM
18 Sep - 27 Sep KLM
24 Sep - 07 Oct Delta
25 Sep - 04 Oct KLM
24 Sep - 11 Oct Delta
25 Sep - 02 Oct SWISS
18 Sep - 15 Oct SWISS
22 Sep - 04 Oct British Airways

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

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