Cheap Flights from Edinburgh (EDI) to Sion (SIR)

Frequently asked questions

How much does a flight from Edinburgh Airport (EDI) to Sion Airport (SIR) cost?
Get a cheap one-way flight or cheap return flight from Edinburgh Airport (EDI) to Sion Airport (SIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Edinburgh Airport (EDI) to Sion Airport (SIR)?
Planning your getaway for can help you save, as it's the cheapest month for flights between EDI and SIR. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Edinburgh Airport (EDI) to Sion Airport (SIR)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest EDI to SIR flight.
How many flights per day from Edinburgh Airport (EDI) to Sion Airport (SIR)?
Direct flights from Edinburgh Airport (EDI) to Sion Airport (SIR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EDI to SIR?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Edinburgh Airport (EDI) to Sion Airport (SIR)?
Opt for a flight from Edinburgh Airport (EDI) to Sion Airport (SIR) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Edinburgh Airport (EDI) to Sion Airport (SIR) last-minute?
Waiting until just before your departure to book a flight from EDI to SIR generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book an EDI to SIR flight and hotel package?
Securing an EDI to SIR flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Edinburgh Airport (EDI) to Sion Airport (SIR)?
If you booked your EDI to SIR flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Edinburgh
Destination airport
Sion
Distance
814 mi

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Edinburgh to Sion Flights

The cheapest times to fly from Edinburgh to Sion

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Edinburgh to Sion are during the month of . You can find some of the cheapest flights from Edinburgh to Sion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Edinburgh to Sion

Sunday is one of the best days to book for cheap flights from Edinburgh to Sion: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Edinburgh to Sion

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Edinburgh to Sion in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Edinburgh to Sion flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Edinburgh to Sion airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Edinburgh to Sion Flights

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*Available to One Key members.