Fare Guide
Estimated lowest fares found within 7 days
Cheapest Airline
The cheapest airline(s) flying from London to Sion is TAP Air Portugal.
Cheapest Month
February
Travel Period: January 2025 - December 2025
The cheapest month(s) to fly from London to Sion is February.
Cheapest Day of the Week
Saturday
The cheapest day(s) of the week to fly from London to Sion is Saturday.
How far is Sion from London?
The flight distance between London and Sion is 802km. Check all available flights on Wego.