$135 Cheap Flights from Kalispell (FCA) to Sun Valley (SUN)

View $135 flight on Sun, Feb 1, 2026Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Sun Valley, ID (SUN-Friedman Memorial)

Cheap Flights from Kalispell to Sun Valley (FCA-SUN)

Prices were available within the past 7 days and start at $135 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN) cost?
Grab a cheap one-way flight from $135 or cheap return flight from Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN) 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 Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between FCA and SUN. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN)?
To find the cheapest airline that'll fly you from FCA to SUN, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN)?
There are no daily nonstop flights departing from Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from FCA to SUN?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But 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 Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN)?
To avoid possible delays on the Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN) last-minute?
Booking your flight from FCA to SUN just before your journey is typically more expensive. However, if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a FCA to SUN flight and hotel package?
Compared with arranging flights and hotels separately, booking a FCA to SUN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Friedman Memorial Airport (SUN)?
If you reserved your FCA to SUN flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Glacier Park Intl.
Destination airport
Friedman Memorial
Distance
331 mi

Book with confidence

Kalispell to Sun Valley Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Kalispell 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 Kalispell 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 Kalispell to Sun Valley in 2025. You can also book with separate airlines for your outbound and return journeys, from $135 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 Kalispell 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 Kalispell 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.

 

Kalispell to Sun Valley Flights

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*Available to One Key members.