AirHint found the following cheapest return flights from Toronto (YYZ) to Cardiff (CWL) in September 2026 (see full year).
Return flights
| 09 Sep - 16 Sep | WestJet | ||
| 07 Sep - 14 Sep | WestJet | ||
| 01 Sep - 08 Sep | WestJet | ||
| 04 Sep - 15 Sep | WestJet | ||
| 08 Sep - 15 Sep | KLM | ||
| 27 Sep - 06 Oct | KLM | ||
| 10 Sep - 19 Sep | Delta |
Also check the deals for one-way flights from Toronto to Cardiff in September.
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