$203 Cheap Flights from Idaho Falls (IDA) to Great Falls (GTF)

View $203 flight on Wed, Apr 1, 2026Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Great Falls, MT (GTF-Great Falls Intl.)

Cheap Flights from Idaho Falls to Great Falls (IDA-GTF)

Prices were available within the past 7 days and start at $203 for one-way flights and $272 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Nov 18 - Wed, Dec 10
IDA
Idaho Falls
GTF
Great Falls
$272 Roundtrip, found 5 days ago
$272
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Nov 18 from Idaho Falls to Great Falls, returning Wed, Dec 10, priced at $272 found 5 days ago
Hawaiian Airlines
Mon, Dec 8 - Wed, Dec 24
IDA
Idaho Falls
GTF
Great Falls
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Dec 8 from Idaho Falls to Great Falls, returning Wed, Dec 24, priced at $282 found 1 day ago
Delta
Tue, Nov 18 - Sat, Dec 6
IDA
Idaho Falls
GTF
Great Falls
$288 Roundtrip, found 5 days ago
$288
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 18 from Idaho Falls to Great Falls, returning Sat, Dec 6, priced at $288 found 5 days ago
Alaska Airlines
Tue, Nov 18 - Sun, Nov 23
IDA
Idaho Falls
GTF
Great Falls
$292 Roundtrip, found 5 days ago
$292
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 18 from Idaho Falls to Great Falls, returning Sun, Nov 23, priced at $292 found 5 days ago
Hawaiian Airlines
Mon, Dec 8 - Thu, Dec 25
IDA
Idaho Falls
GTF
Great Falls
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Dec 8 from Idaho Falls to Great Falls, returning Thu, Dec 25, priced at $302 found 1 day ago
Delta
Tue, Mar 31 - Tue, Apr 7
IDA
Idaho Falls
GTF
Great Falls
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 31 from Idaho Falls to Great Falls, returning Tue, Apr 7, priced at $306 found 1 day ago
Hawaiian Airlines
Tue, Nov 25 - Sun, Dec 7
IDA
Idaho Falls
GTF
Great Falls
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Nov 25 from Idaho Falls to Great Falls, returning Sun, Dec 7, priced at $312 found 1 day ago
Delta
Wed, Nov 19 - Sun, Dec 7
IDA
Idaho Falls
GTF
Great Falls
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 19 from Idaho Falls to Great Falls, returning Sun, Dec 7, priced at $315 found 5 days ago
Hawaiian Airlines
Sat, Nov 22 - Wed, Dec 10
IDA
Idaho Falls
GTF
Great Falls
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Idaho Falls to Great Falls, returning Wed, Dec 10, priced at $323 found 1 day ago
Delta
Sun, Mar 29 - Tue, Apr 7
IDA
Idaho Falls
GTF
Great Falls
$326 Roundtrip, found 1 day ago
$326
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Mar 29 from Idaho Falls to Great Falls, returning Tue, Apr 7, priced at $326 found 1 day ago

Alternative airports near Great Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Great Falls Intl. GTF. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $466
GTF
Great Falls Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $466

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF) cost?
Secure a cheap one-way flight from $203 or cheap return flight from $272 from Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF) 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 Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between IDA and GTF. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from IDA to GTF. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF)?
You'll have to book a flight with a layover if you're traveling from Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from IDA to GTF?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based 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 Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF)?
Choose a flight from Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF) that leaves before 3 PM to reduce the risk of cancellations. 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 Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF) last-minute?
Last-minute bookings from IDA to GTF are usually more expensive. To secure the lowest prices, start searching for flights as early as possible. That said, if your travel plans are flexible, it's possible to find a cheap fare right before your trip.
Is it cheaper to book an IDA to GTF flight and hotel package?
Compared with arranging hotels and flights separately, booking an IDA to GTF flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Great Falls Intl. Airport (GTF)?
In most cases, you can modify or cancel your IDA to GTF flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$272
Distance
276 mi

Book with confidence

Idaho Falls to Great Falls Flights

The cheapest times to fly from Idaho Falls 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 Idaho Falls to Great Falls are during the month of November. You can find some of the cheapest flights from Idaho Falls to Great Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Idaho Falls to Great Falls

Sunday is one of the best days to book for cheap flights from Idaho Falls 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 Idaho Falls 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 Idaho Falls to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $203 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 Idaho Falls 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 Idaho Falls 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.

 

Idaho Falls to Great Falls Flights

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*Available to One Key members.