Cheap flights from Porto to Basel, Switzerland/Mulhouse

Cheapest current fares: $101 in June 2026, 1,464 km direct flight in ~1h 43m.

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Live fares · OPO → BSL

Cheapest month-by-month fares

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

Porto (OPO) → Basel, Switzerland/Mulhouse (BSL)

  1. June 2026 $101

Frequently asked questions

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

    Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Porto (OPO) to Basel, Switzerland/Mulhouse (BSL), with fares starting from $101.

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

    The lowest currently-listed fare from Porto (OPO) to Basel, Switzerland/Mulhouse (BSL) is $101 on 2026-06-04.

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

    Direct flights from OPO to BSL cover approximately 1,464 km (910 miles), with an estimated flight time of 1h 43m. Operating airlines: U2.

Related guides for this route

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

Full route page: OPO → BSL Cheapest month to fly to Basel, Switzerland/Mulhouse All flights from Porto All flights to Basel, Switzerland/Mulhouse Flights to France Visa-free with Portugal passport U2 routes