Cheap flights from Sion to Bilbao

Connecting routes only from Sion (SIR) to Bilbao (BIO).

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Live fares · SIR → BIO

Frequently asked questions

  • Is there a direct flight from Sion to Bilbao?

    There is currently no non-stop service from SIR to BIO. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

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

Full route page: SIR → BIO Cheapest month to fly to Bilbao All flights from Sion All flights to Bilbao Flights to Spain Visa-free with Switzerland passport