Cheap flights from Sofia to Basel, Switzerland/Mulhouse
Cheapest current fares: $15 in June 2026, 1,357 km direct flight in ~1h 36m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Sofia (SOF) to Basel, Switzerland/Mulhouse (BSL). Refreshed daily.
Sofia (SOF) → Basel, Switzerland/Mulhouse (BSL)
- June 2026 $15
- July 2026 $29
- May 2026 $94
- August 2026 $106
Frequently asked questions
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What is the cheapest month to fly from Sofia to Basel, Switzerland/Mulhouse?
Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Sofia (SOF) to Basel, Switzerland/Mulhouse (BSL), with fares starting from $15.
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What is the lowest current fare from SOF to BSL?
The lowest currently-listed fare from Sofia (SOF) to Basel, Switzerland/Mulhouse (BSL) is $15 on 2026-06-20.
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How long is the flight from Sofia to Basel, Switzerland/Mulhouse?
Direct flights from SOF to BSL cover approximately 1,357 km (843 miles), with an estimated flight time of 1h 36m. Operating airlines: W6.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.