Cheap Flights from Pierre (PIR) to Sun Valley (SUN)

Popular airlines from Pierre, SD (PIR-Pierre Regional) to Sun Valley, ID (SUN-Friedman Memorial)

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Flights from Pierre (PIR) to Sun Valley (SUN)
Origin airport
Pierre Regional
Destination airport
Friedman Memorial
Distance
698 mi

Pierre to Sun Valley Flights

The cheapest times to fly from Pierre to Sun Valley

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

 

The best time to book a flight from Pierre to Sun Valley

Sunday is one of the best days to book for cheap flights from Pierre to Sun Valley: 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 Pierre to Sun Valley

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 Pierre to Sun Valley 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 Pierre to Sun Valley 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 Pierre to Sun Valley 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.

 

Frequently asked questions

How much does a flight from Pierre Regional Airport (PIR) to Friedman Memorial Airport (SUN) cost?
Discover the latest flight deals from PIR to SUN 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 PIR to SUN?
The cheapest flights from PIR to SUN 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 PIR to SUN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PIR to SUN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Pierre Regional Airport (PIR) to Friedman Memorial Airport (SUN)?
You'll have to hop on a flight with a layover if you're traveling from Pierre Regional Airport (PIR) to Friedman Memorial Airport (SUN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from PIR to SUN?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, 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 Pierre Regional Airport (PIR) to Friedman Memorial Airport (SUN)?
To touch down at Friedman Memorial Airport (SUN) without delays, opt for a flight that takes off from Pierre Regional Airport (PIR) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Pierre Regional Airport (PIR) to Friedman Memorial Airport (SUN) last-minute?
Waiting until right before your break to book your flight from PIR to SUN often results in higher prices. While you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a PIR to SUN flight and hotel package?
Securing a PIR to SUN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Regional Airport (PIR) to Friedman Memorial Airport (SUN)?
If you booked your PIR to SUN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.