$284 Cheap Flights from Gillette (GCC) to Idaho Falls (IDA)

View $284 flight on Thu, Dec 25, 2025Opens in a new window

Popular airlines from Gillette, WY (GCC-Campbell County) to Idaho Falls Regional Airport (IDA)

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Cheap Flights from Gillette to Idaho Falls (GCC-IDA)

Prices were available within the past 7 days and start at $284 for one-way flights and $471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Dec 24 - Fri, Dec 26
GCC
Gillette
IDA
Idaho Falls
$471 Roundtrip, found 3 days ago
$471
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 24 from Gillette to Idaho Falls, returning Fri, Dec 26, priced at $471 found 3 days ago
United
Thu, Dec 25 - Fri, Dec 26
GCC
Gillette
IDA
Idaho Falls
$506 Roundtrip, found 3 days ago
$506
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 25 from Gillette to Idaho Falls, returning Fri, Dec 26, priced at $506 found 3 days ago
United
Tue, Dec 23 - Fri, Dec 26
GCC
Gillette
IDA
Idaho Falls
$538 Roundtrip, found 3 days ago
$538
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 23 from Gillette to Idaho Falls, returning Fri, Dec 26, priced at $538 found 3 days ago
United
Wed, Dec 24 - Tue, Dec 30
GCC
Gillette
IDA
Idaho Falls
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 24 from Gillette to Idaho Falls, returning Tue, Dec 30, priced at $565 found 3 days ago
United
Thu, Dec 25 - Tue, Dec 30
GCC
Gillette
IDA
Idaho Falls
$600 Roundtrip, found 3 days ago
$600
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 25 from Gillette to Idaho Falls, returning Tue, Dec 30, priced at $600 found 3 days ago
United
Tue, Dec 23 - Tue, Dec 30
GCC
Gillette
IDA
Idaho Falls
$632 Roundtrip, found 3 days ago
$632
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 23 from Gillette to Idaho Falls, returning Tue, Dec 30, priced at $632 found 3 days ago
United
Wed, Dec 24 - Sat, Dec 27
GCC
Gillette
IDA
Idaho Falls
$634 Roundtrip, found 3 days ago
$634
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 24 from Gillette to Idaho Falls, returning Sat, Dec 27, priced at $634 found 3 days ago
United
Wed, Dec 24 - Sun, Dec 28
GCC
Gillette
IDA
Idaho Falls
$635 Roundtrip, found 3 days ago
$635
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 24 from Gillette to Idaho Falls, returning Sun, Dec 28, priced at $635 found 3 days ago
United
Sun, Dec 21 - Fri, Dec 26
GCC
Gillette
IDA
Idaho Falls
$638 Roundtrip, found 3 days ago
$638
Roundtrip
found 3 days ago
Select United flight, departing Sun, Dec 21 from Gillette to Idaho Falls, returning Fri, Dec 26, priced at $638 found 3 days ago
United
Mon, Dec 22 - Wed, Dec 24
GCC
Gillette
IDA
Idaho Falls
$665 Roundtrip, found 3 days ago
$665
Roundtrip
found 3 days ago
Select United flight, departing Mon, Dec 22 from Gillette to Idaho Falls, returning Wed, Dec 24, priced at $665 found 3 days ago

Frequently asked questions

How much does a flight from Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA) cost?
Secure a cheap one-way flight from $284 or cheap return flight from $471 from Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA) 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 Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA)?
December is the most affordable month to fly from GCC to IDA. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA)?
Expedia's filter tool lets you easily compare different airlines, travel time 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 GCC to IDA flight.
How many flights per day from Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA)?
You'll have to take a flight with a layover when traveling from Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from GCC to IDA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA)?
To avoid potential delays on the Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA) route, fly before 3 PM. Later flights are 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 Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA) last-minute?
Booking your ticket from GCC to IDA shortly before your journey is typically more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a GCC to IDA flight and hotel package?
You'll generally save money by securing a GCC to IDA 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 it all in one convenient place. Once you've chosen 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 Campbell County Airport (GCC) to Idaho Falls Regional Airport (IDA)?
If you booked your GCC to IDA flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Campbell County
Destination airport
Idaho Falls Regional
Airlines serving
United
Roundtrip price
$471
Distance
330 mi

Book with confidence

Gillette to Idaho Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Gillette 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 Gillette 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 Gillette to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $284 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 Gillette 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 Gillette 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.

 

Gillette to Idaho Falls Flights

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*Available to One Key members.