AirHint found the following cheapest return flights from Cardiff (CWL) to Newcastle (NCL) in June 2026 (see full year).
Return flights
| 05 Jun - 07 Jun | Ryanair | ||
| 13 Jun - 14 Jun | Ryanair | ||
| 25 Jun - 27 Jun | KLM | ||
| 23 Jun - 30 Jun | KLM | ||
| 25 Jun - 26 Jun | TUI |
Also check the deals for one-way flights from Cardiff to Newcastle in June.
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