AirHint found the following cheapest return flights from Cardiff (CWL) to Bourgas (BOJ) in May 2026 (see full year).
Return flights
| 09 May - 16 May | Ryanair | ||
| 28 May - 04 Jun | Ryanair | ||
| 28 May - 04 Jun | TUI | direct |
Also check the deals for one-way flights from Cardiff to Bourgas in May.
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