AirHint found the following cheapest one-way flights from Heraklion (HER) to Sofia (SOF) in May 2026 (see full year).
One-Way flights
| 12 May | Wizz Air Malta | ||
| 31 May | Aegean Airlines | ||
| 01 May | SKY express | ||
| 24 May | SKY express | ||
| 03 May | Aegean Airlines | ||
| 04 May | Aegean Airlines | ||
| 25 May | Aegean Airlines | ||
| 31 May | Bulgaria Air | direct | |
| 29 May | SKY express |
Also check the deals for return flights from Heraklion to Sofia in May.
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