$165 Cheap Flights from Kalispell (FCA) to Idaho Falls (IDA)

View $165 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA)

Cheap Flights from Kalispell to Idaho Falls (FCA-IDA)

Prices were available within the past 7 days and start at $165 for one-way flights and $302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Nov 3 - Mon, Nov 10
FCA
Kalispell
IDA
Idaho Falls
$302 Roundtrip, found 2 hours ago
$302
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Kalispell to Idaho Falls, returning Mon, Nov 10, priced at $302 found 2 hours ago
Hawaiian Airlines
Mon, Nov 3 - Sat, Nov 8
FCA
Kalispell
IDA
Idaho Falls
$302 Roundtrip, found 2 hours ago
$302
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Mon, Nov 3 from Kalispell to Idaho Falls, returning Sat, Nov 8, priced at $302 found 2 hours ago
Hawaiian Airlines
Mon, Nov 3 - Sun, Nov 9
FCA
Kalispell
IDA
Idaho Falls
$308 Roundtrip, found 2 hours ago
$308
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Mon, Nov 3 from Kalispell to Idaho Falls, returning Sun, Nov 9, priced at $308 found 2 hours ago
Hawaiian Airlines
Thu, Nov 6 - Sat, Nov 8
FCA
Kalispell
IDA
Idaho Falls
$312 Roundtrip, found 2 hours ago
$312
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Thu, Nov 6 from Kalispell to Idaho Falls, returning Sat, Nov 8, priced at $312 found 2 hours ago
Hawaiian Airlines
Thu, Nov 6 - Sun, Nov 9
FCA
Kalispell
IDA
Idaho Falls
$318 Roundtrip, found 2 hours ago
$318
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Thu, Nov 6 from Kalispell to Idaho Falls, returning Sun, Nov 9, priced at $318 found 2 hours ago
Alaska Airlines
Tue, Nov 4 - Thu, Nov 6
FCA
Kalispell
IDA
Idaho Falls
$318 Roundtrip, found 2 hours ago
$318
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Kalispell to Idaho Falls, returning Thu, Nov 6, priced at $318 found 2 hours ago
Hawaiian Airlines
Wed, Oct 29 - Thu, Nov 20
FCA
Kalispell
IDA
Idaho Falls
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Oct 29 from Kalispell to Idaho Falls, returning Thu, Nov 20, priced at $322 found 1 day ago
Hawaiian Airlines
Fri, Nov 7 - Sun, Nov 9
FCA
Kalispell
IDA
Idaho Falls
$328 Roundtrip, found 2 hours ago
$328
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Fri, Nov 7 from Kalispell to Idaho Falls, returning Sun, Nov 9, priced at $328 found 2 hours ago
Delta
Tue, Oct 28 - Fri, Oct 31
FCA
Kalispell
IDA
Idaho Falls
$351 Roundtrip, found 5 days ago
$351
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 28 from Kalispell to Idaho Falls, returning Fri, Oct 31, priced at $351 found 5 days ago
United
Thu, Oct 23 - Sun, Oct 26
FCA
Kalispell
IDA
Idaho Falls
$532 Roundtrip, found 2 days ago
$532
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 23 from Kalispell to Idaho Falls, returning Sun, Oct 26, priced at $532 found 2 days ago

Alternative airports near Idaho Falls

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

Select flight to Idaho Falls Regional IDA. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $479
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $479

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA) cost?
Grab a cheap one-way flight from $165 or cheap return flight from $302 from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA) 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 Idaho Falls Regional Airport (IDA)?
November is the cheapest month to fly from FCA to IDA. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from FCA to IDA. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA)?
Direct flights from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA) 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 dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FCA to IDA?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary 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 Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA)?
Choose a flight from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA) that takes off before 3 PM to reduce the likelihood of delays and 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 Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA) last-minute?
Holding off until just before your trip to book a ticket from FCA to IDA generally means paying more. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a FCA to IDA flight and hotel package?
Opting for a FCA to IDA flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Idaho Falls Regional Airport (IDA)?
In most cases, you can cancel or reschedule your FCA to IDA flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
Glacier Park Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$302
Distance
347 mi

Book with confidence

Kalispell to Idaho Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Kalispell to Idaho 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 Kalispell to Idaho 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 Kalispell to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $165 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 Idaho 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 Kalispell to Idaho 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.

 

Kalispell to Idaho Falls Flights

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*Available to One Key members.