Cheap Flights from London Heathrow to Sion in 2019

Flight information London Heathrow to Sion

Non-stop airlines



1 airport

Explore Sion

Sion Hotels

Ibis Sion Est


Du Midi


Compare flights from London to Sion and find the cheapest flights with Skyscanner

Skyscanner is a fast and simple travel search engine that helps you to find cheap flights and great prices on flights from London to Sion. We compare hundreds of flights from all major airlines and travel agents, finding you the best deal on cheap plane tickets to Sion from London.

Best of all, both our website and our app are completely free to use, and you will never be charged hidden fees using Skyscanner!

When is the best time to book from London to Sion?

Useful information before booking your travel from London to Sion

Check the travel information panel above to get exact information about:

  • Distance from Sion to London
  • Flight time from Sion to London
  • Which airlines provide the cheapest tickets from London to Sion
  • Which airlines fly direct to Sion from London.
  • Book a hotel or car rental for your stay in Sion

    Skyscanner also offers great deals on hotels and car rentals, so there's no need to open multiple tabs to complete your trip planning. Book your hotel or car rental for your stay in Sion today.

    Prices shown on this page are estimated lowest prices only. Found in the last 45 days.