Cheap Flights from Istanbul (IST) to Sion (SIR)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from IST to Sion Airport last minute?
Being a spontaneous soul is a rewarding way to explore the world, but it isn't always the best method to track down a cheap flight. Think about booking your IST to Sion Airport (SIR) trip ahead of time instead of leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneous side for when you arrive at your destination!
What airports do you fly into for Sion from Istanbul?
From Istanbul, you can connect to Sion via Sion Airport (SIR), Belp Airport (BRN) and Lausanne (QLS-Blecherette). Research which hub is the most convenient for you before making your decision. If you go with Sion Airport (SIR), it's around 2 kilometers southwest of the center of the city. Use the dough you save when booking your airfare with Expedia to discover the city's popular sights, such as St.Leonard Underground Lake and Alaïa Bay.
Can I change the date of my flight from IST to Sion Airport?
It's easy to make changes to your IST to Sion Airport journey yourself. Log in to the Expedia Trips portal and tap "change flight." Look around for new flights and book the one that works best with your plans. You'll see an estimate of your flight change fee, if applicable. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Istanbul
Destination airport
Sion
Distance
1789 km

Book with confidence

Istanbul to Sion Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Istanbul to Sion offer the perfect respite. Not only does exploring Sion provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Istanbul to Sion may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Sion are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Sion more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Sion is now!

Istanbul to Sion Flights

Explore a world of travel with Expedia