AirHint found the following cheapest return flights from Cardiff (CWL) to Edinburgh (EDI) in September 2026 (see full year).
Return flights
| 06 Sep - 10 Sep | Ryanair | ||
| 18 Sep - 25 Sep | Ryanair | ||
| 04 Sep - 11 Sep | Ryanair | ||
| 25 Sep - 28 Sep | Ryanair | ||
| 13 Sep - 20 Sep | Ryanair | ||
| 05 Sep - 10 Sep | Ryanair | ||
| 05 Sep - 11 Sep | Ryanair | ||
| 14 Sep - 17 Sep | Aer Lingus |
Also check the deals for one-way flights from Cardiff to Edinburgh in September.
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