Cheap Flights to Sion Airport

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Compare Sion Airport flights across hundreds of providers

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Find the cheapest time to fly to Sion

Flexible on travel dates? Find the cheapest month – or even day – to fly to Sion.

Airports near Sion

Compare routes to Sion below. You may find an airport to fly into that's cheaper, faster, or easier.

Frequently asked questions

Currently, there are no airlines that fly direct to Sion. But we found flights with one or more stops from $2,379.
The cheapest month to fly to Sion is usually June.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sion but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
No airlines currently offer direct flights between Australia and Switzerland. Most routes have one or more stops.
The best price we found for a return flight to Sion is $2,379. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Sion Airport is Thursday, 12 June 2025.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sion is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Emirates offers the cheapest flight tickets to Sion.

Flying to Sion

The things to know before you go.
Cheapest flight found$1,616
Cheapest month to flyMay

How to find cheap flights to Sion Airport (SIR)

  • The cheapest price we've found for a one-way flight to Sion Airport is $1,616. A round-trip plane ticket to SIR right now is $2,379.

  • Ditch the endless refreshing and stay updated on fares by creating a Price Alert. The moment prices on tickets to SIR go down, we'll let you know.

  • It's typically recommended to book around one month before takeoff. That's when you're most likely to get the best prices for tickets to Sion, where Sion Airport is located.

  • Widen your search for cheap flights to Sion by selecting the 'Add nearby airports' option. This will let you view prices for airports closest to your destination and departure points and could help you save.

  • Search for plane tickets to Sion Airport that have a stop or two. Taking the scenic route can be cheaper. After your results show up, use the 'Stops' filter to browse your options.

Best time to go to Sion

  • You can usually catch the cheapest flight to Sion in December.

  • Take advantage of the 'Whole month' tool if you're flexible with your dates. Browse fares for the entire month and find a flight to SIR that suits your plans and budget.

  • Fly to Sion in August if you'd like to be there when it's busy. This is the most popular month for flights to SIR, but also when fares are likely to be more expensive.

  • October is the least busy time of year to visit if you prefer a more laid-back vibe. You'll typically find cheaper prices on plane tickets to Sion then.

  • The weather can make or break your trip, so consider what kind of conditions you prefer to travel in. Sion is warmest in July, averaging between 8ºC and 25ºC.

  • Ranging from -12ºC to 3ºC, January sees the lowest temperatures.

Flying to Sion Airport (SIR): what you need to know

  • Reach Sion faster with a direct Helvetic Airways flight to Sion Airport.

  • Be curled up in bed shortly after your flight to SIR. Book a room at one of these stays near Sion Airport and you'll be fast asleep before you know it:

Getting to central Sion from Sion Airport (SIR)

  • SIR is located about 3 kilometres from central Sion.

  • If you're driving a car hire or ride-sharing after your flight to SIR, it'll take around 5 minutes to get to the centre.

  • Expect the trip to take roughly 15 minutes on public transport.

  • If you want to stay near all the action in Sion, unpack your bags at one of these comfortable options:

Sion highlights

Museum of Archaeology (Musee cantonal d'archeologie)

  • Not sure what to see first after your flight to Sion Airport? Museum of Archaeology (Musee cantonal d'archeologie) is a memorable introduction to the city. You'll find it around 0.16 kilometres north-east of the centre.

Bisse de Clavau

  • Always wanted to visit Bisse de Clavau? Now's the time. It's roughly 2 kilometres north of central Sion.

Valais Art Museum

  • Find your way to this highlight next. Valais Art Museum is around 0.16 kilometres north of the centre and is one more key Sion experience.

Complete your trip with a Sion car hire

  • Choose from a range of car rentals in Sion and go where you want, when you want. With one easy search, compare rates and score the best deal after securing your hotel and cheap flight to Sion Airport.

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