AirHint found the following cheapest return flights from Sofia (SOF) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 08 Apr - 13 Apr | LOT | ||
| 15 Apr - 18 Apr | LOT | ||
| 01 Apr - 22 Apr | LOT | ||
| 03 Apr - 21 Apr | LOT | ||
| 06 Apr - 19 Apr | Pegasus Airlines | ||
| 01 Apr - 16 Apr | LOT | ||
| 02 Apr - 21 Apr | LOT | ||
| 09 Apr - 12 Apr | KLM | ||
| 04 Apr - 21 Apr | LOT |
Also check the deals for one-way flights from Sofia to Seoul in April.
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