AirHint found the following cheapest return flights from Hannover (HAJ) to Sofia (SOF) in May 2026 (see full year).
Return flights
| 01 May - 22 May | Air Serbia | ||
| 19 May - 23 May | Austrian Airlines | ||
| 12 May - 17 May | Pegasus Airlines | ||
| 14 May - 18 May | Pegasus Airlines |
Also check the deals for one-way flights from Hannover to Sofia in May.
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