Cheap Flights from Sion (SIR) to Green Bay (GRB)

Popular airlines from Sion (SIR) to Green Bay Austin Straubel Intl. Airport (GRB)

  • notification illustration

    Be in the know

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

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB) cost?
Snag a cheap one-way flight or cheap return flight from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB)?
Traveling in can help you save, as it's the cheapest month for flights between SIR and GRB. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SIR to GRB. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB)?
You'll need to book a flight with a layover if you're traveling from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SIR to GRB?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB)?
Opt for a flight from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures 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 Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB) last-minute?
Booking your flight from SIR to GRB shortly before your journey is typically more expensive. But if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SIR to GRB flight and hotel package?
Compared with arranging flights and hotels separately, booking a SIR to GRB flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sion Airport (SIR) to Austin Straubel Intl. Airport (GRB)?
If you booked your SIR to GRB flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sion
Destination airport
Austin Straubel Intl.
Distance
4330 mi

Book with confidence

Sion to Green Bay Flights

The cheapest times to fly from Sion to Green Bay

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

 

The best time to book a flight from Sion to Green Bay

Sunday is one of the best days to book for cheap flights from Sion to Green Bay: 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 Sion to Green Bay

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 Sion to Green Bay in 2026. 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 Sion to Green Bay 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 Sion to Green Bay 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.

 

Sion to Green Bay Flights

Explore a world of travel with Expedia

*Available to One Key members.