Cheapest return flights from Toronto to London in September from $575

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

Return flights

10 Sep - 20 Sep TAP
20 Sep - 06 Oct TAP
04 Sep - 07 Sep TAP
21 Sep - 27 Sep TAP
07 Sep - 22 Sep TAP
04 Sep - 14 Sep TAP
20 Sep - 27 Sep TAP
17 Sep - 28 Sep TAP
17 Sep - 21 Sep TAP
17 Sep - 26 Sep TAP
10 Sep - 14 Sep TAP
25 Sep - 02 Oct Icelandair
18 Sep - 08 Oct Icelandair
25 Sep - 09 Oct Icelandair
24 Sep - 08 Oct Icelandair
25 Sep - 10 Oct Icelandair
26 Sep - 03 Oct Icelandair
02 Sep - 28 Oct TAP
17 Sep - 10 Oct TAP
29 Sep - 06 Oct Icelandair

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.