$261 Cheap Flights from Idaho Falls (IDA) to Augusta (AGS)

View $261 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Augusta Regional Airport (AGS)

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Find available prices by choosing your travel dates.

Cheap Flights from Idaho Falls to Augusta (IDA-AGS)

Prices were available within the past 7 days and start at $261 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Idaho Falls (IDA) to Augusta (AGS)
Origin airport
Idaho Falls Regional
Destination airport
Augusta Regional
Distance
1760 mi

Idaho Falls to Augusta Flights

The cheapest times to fly from Idaho Falls to Augusta

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

 

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

Sunday is one of the best days to book for cheap flights from Idaho Falls to Augusta: 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 Augusta

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 Augusta in 2025. You can also book with separate airlines for your outbound and return journeys, from $261 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 Augusta 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 Augusta 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 Idaho Falls Regional Airport (IDA) to Augusta Regional Airport (AGS) cost?
Discover the latest flight deals from IDA to AGS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IDA to AGS?
The cheapest flights from IDA to AGS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IDA to AGS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IDA to AGS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Idaho Falls Regional Airport (IDA) to Augusta Regional Airport (AGS)?
There are no daily direct flights from Idaho Falls Regional Airport (IDA) to Augusta Regional Airport (AGS). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be on your way in no time.
What day of the week has the most flights from IDA to AGS?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Augusta Regional Airport (AGS)?
To avoid possible delays on the Idaho Falls Regional Airport (IDA) to Augusta Regional Airport (AGS) route, travel 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 Idaho Falls Regional Airport (IDA) to Augusta Regional Airport (AGS) last-minute?
Booking your ticket from IDA to AGS just before your trip is typically more expensive. However, if you’re flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an IDA to AGS flight and hotel package?
Opting for an IDA to AGS 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. Choose from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Augusta Regional Airport (AGS)?
You can usually reschedule or cancel your IDA to AGS flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.