AirHint found the following cheapest return flights from Cardiff (CWL) to Bucharest (OTP) in April 2026 (see full year).
Return flights
| 20 Apr - 27 Apr | Ryanair | ||
| 01 Apr - 04 Apr | KLM | ||
| 02 Apr - 04 Apr | Air France | ||
| 03 Apr - 04 Apr | KLM |
Also check the deals for one-way flights from Cardiff to Bucharest in April.
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