AirHint found the following cheapest one-way flights from Lisbon (LIS) to Sofia (SOF) in April 2026 (see full year).
One-Way flights
| 23 Apr | Vueling Airlines | ||
| 01 Apr | easyJet | ||
| 21 Apr | Vueling Airlines | ||
| 02 Apr | easyJet | ||
| 08 Apr | Vueling Airlines | ||
| 25 Apr | easyJet | ||
| 11 Apr | Wizz Air Malta | ||
| 07 Apr | easyJet | ||
| 26 Apr | SKY express | ||
| 01 Apr | Bulgaria Air | direct |
Also check the deals for return flights from Lisbon to Sofia in April.
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