Cheapest one-way flights from London to Toronto in September from $319

Best time to book flights for London (LCY) to Toronto (YYZ) flights at AirHint

AirHint found the following cheapest one-way flights from London (LCY) to Toronto (YYZ) in September 2025 (see full year).

One-Way flights

04 Sep British Airways
09 Sep British Airways
11 Sep British Airways
05 Sep British Airways
03 Sep British Airways
10 Sep British Airways
18 Sep British Airways
12 Sep British Airways
30 Sep British Airways
16 Sep British Airways

Also check the deals for return flights from London to Toronto in September.

Skyscanner

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 Toronto

Cheap car rent in Toronto