Cheap flights from Basel, Switzerland/Mulhouse to Barcelona

Cheapest current fares: $28 in September 2026, 823 km direct flight in ~58m.

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Live fares · BSL → BCN

Cheapest month-by-month fares

Lowest available fare per calendar month from Basel, Switzerland/Mulhouse (BSL) to Barcelona (BCN). Refreshed daily.

Basel, Switzerland/Mulhouse (BSL) → Barcelona (BCN)

  1. September 2026 $28
  2. October 2026 $31
  3. January 2027 $57
  4. August 2026 $61

Frequently asked questions

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

    Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Basel, Switzerland/Mulhouse (BSL) to Barcelona (BCN), with fares starting from $28.

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

    The lowest currently-listed fare from Basel, Switzerland/Mulhouse (BSL) to Barcelona (BCN) is $28 on 2026-09-09.

  • How long is the flight from Basel, Switzerland/Mulhouse to Barcelona?

    Direct flights from BSL to BCN cover approximately 823 km (511 miles), with an estimated flight time of 58m. Operating airlines: U2, VY.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: BSL → BCN Cheapest month to fly to Barcelona All flights from Basel, Switzerland/Mulhouse All flights to Barcelona Flights to Spain Visa-free with France passport U2 routes VY routes