Cheap Flights from Rapid City (RAP) to Sun Valley (SUN)

Popular airlines from Rapid City Regional Airport (RAP) to Sun Valley, ID (SUN-Friedman Memorial)

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Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN) cost?
Grab a cheap one-way flight or cheap return flight from Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN)?
Planning your getaway for can help you save, as it's the cheapest month for flights between RAP and SUN. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from RAP to SUN. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN)?
Nonstop flights from Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RAP to SUN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, including the time of year 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 Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN)?
To land at Friedman Memorial Airport (SUN) without delays, choose a flight that takes off from Rapid City Regional Airport (RAP) before 3 PM. The chance 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 Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN) last-minute?
Last-minute bookings from RAP to SUN are usually more expensive. To lock in the lowest prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book a RAP to SUN flight and hotel package?
You can save money by securing a RAP to SUN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Friedman Memorial Airport (SUN)?
Typically, you're able to cancel or reschedule your RAP to SUN flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Rapid City Regional
Destination airport
Friedman Memorial
Distance
561 mi

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Rapid City to Sun Valley Flights

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

 

The best time to book a flight from Rapid City to Sun Valley

Sunday is one of the best days to book for cheap flights from Rapid City 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 Rapid City 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 Rapid City to Sun Valley 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 Rapid City 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 Rapid City 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.

 

Rapid City to Sun Valley Flights

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*Available to One Key members.