$159 Cheap Flights from Charleston (CHS) to Idaho Falls (IDA)

View $159 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA)

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Cheap Flights from Charleston to Idaho Falls (CHS-IDA)

Prices were available within the past 7 days and start at $159 for one-way flights and $394 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Dec 24 - Wed, Dec 31
CHS
Charleston
IDA
Idaho Falls
$394 Roundtrip, found 5 days ago
$394
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from Charleston to Idaho Falls, returning Wed, Dec 31, priced at $394 found 5 days ago
American Airlines
Tue, Feb 17 - Mon, Feb 23
CHS
Charleston
IDA
Idaho Falls
$406 Roundtrip, found 16 hours ago
$406
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Tue, Feb 17 from Charleston to Idaho Falls, returning Mon, Feb 23, priced at $406 found 16 hours ago
United
Thu, Nov 13 - Mon, Nov 17
CHS
Charleston
IDA
Idaho Falls
$416 Roundtrip, found 4 days ago
$416
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 13 from Charleston to Idaho Falls, returning Mon, Nov 17, priced at $416 found 4 days ago
American Airlines
Tue, Feb 17 - Mon, Feb 23
CHS
Charleston
IDA
Idaho Falls
$419 Roundtrip, found 16 hours ago
$419
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Tue, Feb 17 from Charleston to Idaho Falls, returning Mon, Feb 23, priced at $419 found 16 hours ago
United
Thu, Nov 13 - Mon, Nov 17
CHS
Charleston
IDA
Idaho Falls
$421 Roundtrip, found 4 days ago
$421
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 13 from Charleston to Idaho Falls, returning Mon, Nov 17, priced at $421 found 4 days ago
Delta
Sat, Nov 8 - Sat, Nov 15
CHS
Charleston
IDA
Idaho Falls
$422 Roundtrip, found 6 days ago
$422
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 8 from Charleston to Idaho Falls, returning Sat, Nov 15, priced at $422 found 6 days ago
Alaska Airlines
Tue, Feb 17 - Mon, Feb 23
CHS
Charleston
IDA
Idaho Falls
$423 Roundtrip, found 16 hours ago
$423
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Tue, Feb 17 from Charleston to Idaho Falls, returning Mon, Feb 23, priced at $423 found 16 hours ago
Alaska Airlines
Fri, Dec 5 - Thu, Dec 11
CHS
Charleston
IDA
Idaho Falls
$427 Roundtrip, found 6 days ago
$427
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Charleston to Idaho Falls, returning Thu, Dec 11, priced at $427 found 6 days ago
Delta
Fri, Nov 14 - Mon, Nov 17
CHS
Charleston
IDA
Idaho Falls
$432 Roundtrip, found 4 days ago
$432
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 14 from Charleston to Idaho Falls, returning Mon, Nov 17, priced at $432 found 4 days ago
Hawaiian Airlines
Wed, Dec 17 - Thu, Dec 25
CHS
Charleston
IDA
Idaho Falls
$442 Roundtrip, found 1 day ago
$442
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Dec 17 from Charleston to Idaho Falls, returning Thu, Dec 25, priced at $442 found 1 day 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 $432
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $432

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA) cost?
Snag a cheap one-way flight from $159 or cheap return flight from $394 from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA)?
The cheapest month to fly from CHS to IDA is December, when demand is low. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from CHS to IDA. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA)?
There aren't any daily nonstop flights available from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA). But you can book flights with layovers. Filter your search 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 CHS to IDA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA)?
To land at Idaho Falls Regional Airport (IDA) without delays, pick a flight that takes off from Charleston Intl. Airport (CHS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA) last-minute?
Booking your flight from CHS to IDA shortly before your journey is typically more expensive. But if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a CHS to IDA flight and hotel package?
Compared with arranging hotels and flights separately, booking a CHS to IDA flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Idaho Falls Regional Airport (IDA)?
If you booked your CHS to IDA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Charleston Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$394
Distance
1873 mi

Book with confidence

Charleston to Idaho Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Charleston 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 Charleston 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 Charleston to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $159 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 Charleston 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 Charleston 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.

 

Charleston to Idaho Falls Flights

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*Available to One Key members.