AirHint found the following cheapest return flights from Cardiff (CWL) to London (LGW) in October 2025 (see full year).
Return flights
| 21 Oct - 28 Oct | Ryanair | ||
| 23 Oct - 27 Oct | Ryanair | ||
| 31 Oct - 02 Nov | Aer Lingus | ||
| 31 Oct - 31 Oct | Aer Lingus | ||
| 24 Oct - 26 Oct | TUI |
Also check the deals for one-way flights from Cardiff to London in October.
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