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

Return flights

05 Sep - 10 Sep	Ryanair
05 Sep - 12 Sep	Ryanair
05 Sep - 19 Sep	Ryanair
19 Sep - 26 Sep	Ryanair
01 Sep - 06 Sep	WestJet	direct
10 Sep - 20 Sep	British Airways
01 Sep - 14 Oct	British Airways
01 Sep - 09 Sep	WestJet	direct
01 Sep - 07 Sep	WestJet	direct
01 Sep - 16 Sep	British Airways
03 Sep - 10 Sep	British Airways

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

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

Cheapest return flights from Cardiff to Toronto in September from 572€

Return flights