$293 Cheap Flights from Sun Valley (SUN) to Great Falls (GTF)

View $293 flight on Wed, Aug 27, 2025Opens in a new window

Cheap Flights from Sun Valley to Great Falls (SUN-GTF)

Prices were available within the past 7 days and start at $293 for one-way flights and $472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$472 Roundtrip, found 5 days ago
$472
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $472 found 5 days ago
Delta
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$532 Roundtrip, found 5 days ago
$532
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $532 found 5 days ago
Delta
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$632 Roundtrip, found 5 days ago
$632
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $632 found 5 days ago
Delta
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$738 Roundtrip, found 5 days ago
$738
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $738 found 5 days ago
Delta
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$769 Roundtrip, found 5 days ago
$769
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $769 found 5 days ago
Alaska Airlines
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$810 Roundtrip, found 5 days ago
$810
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $810 found 5 days ago
United
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$860 Roundtrip, found 5 days ago
$860
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $860 found 5 days ago
United
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$868 Roundtrip, found 5 days ago
$868
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $868 found 5 days ago
Alaska Airlines
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$896 Roundtrip, found 5 days ago
$896
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $896 found 5 days ago
Alaska Airlines
Wed, Aug 27 - Tue, Sep 2
SUN
Sun Valley
GTF
Great Falls
$921 Roundtrip, found 5 days ago
$921
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Aug 27 from Sun Valley to Great Falls, returning Tue, Sep 2, priced at $921 found 5 days ago
Flights from Sun Valley (SUN) to Great Falls (GTF)
Origin airport
Friedman Memorial
Destination airport
Great Falls Intl.
Roundtrip price
$471
Distance
309 mi

Sun Valley to Great Falls Flights

The cheapest times to fly from Sun Valley to Great Falls

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

 

The best time to book a flight from Sun Valley to Great Falls

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

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 Sun Valley to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $293 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 Sun Valley to Great Falls 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 Sun Valley to Great Falls 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 Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF) cost?
Snag a cheap one-way flight from $293 or cheap return flight from $472 from Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF) 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 Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF)?
The cheapest month to fly from SUN to GTF is August, when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SUN to GTF flight.
How many flights per day from Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF)?
There are no daily direct flights departing from Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SUN to GTF?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, carrier 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 Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF)?
Opt for a flight from Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour 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 Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF) last-minute?
Holding off until right before your break to book a flight from SUN to GTF generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book a SUN to GTF flight and hotel package?
You can save money by booking a SUN to GTF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Great Falls Intl. Airport (GTF)?
Typically, you can reschedule or cancel your SUN to GTF flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.