Cheap flights from Sofia to Basel, Switzerland/Mulhouse

Cheapest current fares: $31 in May 2026, 1,357 km direct flight in ~1h 36m.

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Live fares · SOF → BSL

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)

  1. May 2026 $31
  2. June 2026 $31

Frequently asked questions

  • What is the cheapest month to fly from Sofia to Basel, Switzerland/Mulhouse?

    Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Sofia (SOF) to Basel, Switzerland/Mulhouse (BSL), with fares starting from $31.

  • What is the lowest current fare from SOF to BSL?

    The lowest currently-listed fare from Sofia (SOF) to Basel, Switzerland/Mulhouse (BSL) is $31 on 2026-05-29.

  • 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.

Full route page: SOF → BSL Cheapest month to fly to Basel, Switzerland/Mulhouse All flights from Sofia All flights to Basel, Switzerland/Mulhouse Flights to France Visa-free with Bulgaria passport W6 routes