The lowest prices found within the past 7 days from London to Sion were £326 for one-way flights and for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply.
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Our advanced search tools and comprehensive filters help you find a flight that fits your budget. To search for cheap flights, just enter your travel dates and sort your results by price. With all available tickets listed lowest price first, it’s easy to select the one that’s easiest on your wallet.
To find the cheapest flights from London to Sion, you can also travel outside peak season. The more flexible you can be on travel dates, the easier it is to find those cheap flight tickets. We know, for example, that the cheapest time to travel between London to Sion is . In the current list of deals available, prices start at and can rise to for return flights.
Every day between London and Sion, flights from airlines jet back and forth. And with ebookers, you can book tickets for any one of those flights. If you book a direct flight with , you’ll arrive safely in your destination in around hours. If you can think of a quicker way to cover the between null and null, let us know!
We only need a little information to give you a lot of choice. Just tell us when you’re planning your family holiday, long weekend, luxury getaway or quick business trip, and we’ll do the rest. And to keep your choice-making easy, we’ve given you plenty of ways to narrow down your search. Choose one-way, roundtrip or multi city flights, select your preferred airline, your time of arrival and departure and cabin class using the filters.
Once you’ve told us what you want, we’ll show you what’s on offer. All you need to do is take your pick and start packing.
We want the experience of booking your flight from London to Sion to be as simple as possible. That’s why we designed our search and filter options to make your life easy. Whether you are travelling on business or for pleasure, ebookers has you covered.
When you’re ready to book, our service is always fast and transparent. We know plans change, so we have a range of flexible booking options. Choose between refundable bookings and flights with no charges should you need to rearrange and travel stress-free.
Reviewed on 26 Sep 2022
Reviewed on 2 Feb 2022
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Reviewed on 19 Jan 2023
*Savings based on all holiday package bookings with Flight + Hotel on ebookers.com from January 2017 to December 2017, as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages. For Free Flight or 100% Off Flight deals, package savings is greater than or equal to the current cost of one component, when both are priced separately.
Fare, taxes & fees: Fares were found on ebookers.com and are updated daily. They include all taxes and fees, except baggage fees.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a £25.00 / 45.00 Euro service fee charged by ebookers, plus any airline fare and tax increase that may be applicable.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.