Cheap Flights from Athens (ATH) to Sion (SIR)

Popular airlines from Athens Intl. Airport (ATH) to Sion (SIR)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Eleftherios Venizelos Airport (ATH) to Sion Airport (SIR) cost?
Discover the latest flight deals from ATH to SIR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ATH to SIR?
The cheapest flights from ATH to SIR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ATH to SIR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ATH to SIR. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Eleftherios Venizelos Airport (ATH) to Sion Airport (SIR)?
There are no daily nonstop flights available from Eleftherios Venizelos Airport (ATH) to Sion Airport (SIR). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be soaring above the clouds in no time.
What day of the week has the most flights from ATH to SIR?
Usually you’ll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Eleftherios Venizelos Airport (ATH) to Sion Airport (SIR)?
Select a flight from Eleftherios Venizelos Airport (ATH) to Sion Airport (SIR) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Eleftherios Venizelos Airport (ATH) to Sion Airport (SIR) last-minute?
Last-minute bookings from ATH to SIR are typically more expensive. To lock in the lowest prices, start searching for flights ahead of time. That said, if your travel plans are flexible, it’s possible to find a cheap ticket right before you leave.
Is it cheaper to book an ATH to SIR flight and hotel package?
Opting for an ATH to SIR flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Eleftherios Venizelos Airport (ATH) to Sion Airport (SIR)?
Usually, it’s possible to cancel or reschedule your ATH to SIR flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.
*Available to One Key members.