Cheap Flights from Phoenix (PHX) to Sion (SIR)

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Sion (SIR)

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Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR) cost?
Lock in a cheap one-way flight or cheap return flight from Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR)?
The cheapest month to fly from PHX to SIR is , when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PHX to SIR flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR)?
Nonstop flights from Sky Harbor Intl. Airport (PHX) 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 filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to SIR?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR)?
To avoid possible delays on the Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR) route, fly before 3 PM. Departures after this time are 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 Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR) last-minute?
Booking your ticket from PHX to SIR right before your trip is generally more expensive. But if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a PHX to SIR flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHX to SIR flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Sion Airport (SIR)?
In most instances, you can cancel or modify your PHX to SIR flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Sion
Distance
5762 mi

Book with confidence

Book with confidence

Phoenix to Sion Flights

The cheapest times to fly from Phoenix 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 Phoenix to Sion are during the month of . You can find some of the cheapest flights from Phoenix to Sion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Sion

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix 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 Phoenix 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 Phoenix 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.

 

Phoenix to Sion Flights

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Explore a world of travel with Expedia

*Available to One Key members.