AirHint found the following cheapest return flights from Belfast (BHD) to Vienna (VIE) in April 2026 (see full year).
Return flights
| 29 Apr - 02 May | KLM | ||
| 10 Apr - 13 Apr | KLM | ||
| 03 Apr - 06 Apr | KLM | ||
| 16 Apr - 20 Apr | easyJet | ||
| 28 Apr - 30 Apr | Aer Lingus | ||
| 04 Apr - 06 Apr | Aer Lingus |
Also check the deals for one-way flights from Belfast to Vienna in April.
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