AirHint found the following cheapest return flights from Sofia (SOF) to Keflavik (KEF) in April 2026 (see full year).
Return flights
| 13 Apr - 19 Apr | Wizz Air | ||
| 20 Apr - 25 Apr | Wizz Air | ||
| 03 Apr - 10 Apr | Wizz Air | ||
| 30 Apr - 05 May | Lufthansa | ||
| 10 Apr - 14 Apr | Wizz Air | ||
| 01 Apr - 06 Apr | Wizz Air | ||
| 02 Apr - 07 Apr | Wizz Air |
Also check the deals for one-way flights from Sofia to Keflavik in April.
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