Cheap flights from London to Sion

Connecting routes only from London (LHR) to Sion (SIR).

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Live fares · LHR → SIR

Frequently asked questions

  • Is there a direct flight from London to Sion?

    There is currently no non-stop service from LHR to SIR. 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: LHR → SIR Cheapest month to fly to Sion All flights from London All flights to Sion Flights to Switzerland Visa-free with United Kingdom passport