$168 Cheap Flights from Idaho Falls (IDA) to Charleston (CHS)

View $168 flight on Sat, Dec 13, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $168 for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Dec 5 - Sat, Dec 13
IDA
Idaho Falls
CHS
Charleston
$336 Roundtrip, found 4 days ago
$336
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Idaho Falls to Charleston, returning Sat, Dec 13, priced at $336 found 4 days ago
Delta
Wed, Feb 4 - Tue, Feb 10
IDA
Idaho Falls
CHS
Charleston
$347 Roundtrip, found 2 days ago
$347
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Feb 4 from Idaho Falls to Charleston, returning Tue, Feb 10, priced at $347 found 2 days ago
American Airlines
Fri, Dec 5 - Sat, Dec 13
IDA
Idaho Falls
CHS
Charleston
$348 Roundtrip, found 4 days ago
$348
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 5 from Idaho Falls to Charleston, returning Sat, Dec 13, priced at $348 found 4 days ago
Delta
Fri, Dec 5 - Sat, Dec 13
IDA
Idaho Falls
CHS
Charleston
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Dec 5 from Idaho Falls to Charleston, returning Sat, Dec 13, priced at $354 found 4 days ago
Hawaiian Airlines
Thu, Jan 1 - Wed, Jan 14
IDA
Idaho Falls
CHS
Charleston
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 1 from Idaho Falls to Charleston, returning Wed, Jan 14, priced at $359 found 2 days ago
Alaska Airlines
Tue, Dec 9 - Tue, Dec 16
IDA
Idaho Falls
CHS
Charleston
$362 Roundtrip, found 6 days ago
$362
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Idaho Falls to Charleston, returning Tue, Dec 16, priced at $362 found 6 days ago
Hawaiian Airlines
Thu, Jan 1 - Mon, Jan 12
IDA
Idaho Falls
CHS
Charleston
$369 Roundtrip, found 2 days ago
$369
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 1 from Idaho Falls to Charleston, returning Mon, Jan 12, priced at $369 found 2 days ago
Hawaiian Airlines
Mon, Dec 15 - Tue, Jan 6
IDA
Idaho Falls
CHS
Charleston
$372 Roundtrip, found 1 day ago
$372
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Dec 15 from Idaho Falls to Charleston, returning Tue, Jan 6, priced at $372 found 1 day ago
Delta
Tue, Mar 3 - Tue, Mar 17
IDA
Idaho Falls
CHS
Charleston
$378 Roundtrip, found 2 days ago
$378
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Mar 3 from Idaho Falls to Charleston, returning Tue, Mar 17, priced at $378 found 2 days ago
United
Sat, Jan 31 - Tue, Feb 10
IDA
Idaho Falls
CHS
Charleston
$427 Roundtrip, found 2 days ago
$427
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jan 31 from Idaho Falls to Charleston, returning Tue, Feb 10, priced at $427 found 2 days ago

Alternative airports near Charleston

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

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $419
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $419

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Charleston Intl. Airport (CHS) cost?
Get a cheap one-way flight from $168 or cheap return flight from $336 from Idaho Falls Regional Airport (IDA) to Charleston Intl. Airport (CHS) 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 Idaho Falls Regional Airport (IDA) to Charleston Intl. Airport (CHS)?
Planning your trip for December is a great way to save, as it's the cheapest month for flights between IDA and CHS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Charleston Intl. Airport (CHS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IDA to CHS flight.
How many flights per day from Idaho Falls Regional Airport (IDA) to Charleston Intl. Airport (CHS)?
You'll need to book a flight with a layover if you're traveling from Idaho Falls Regional Airport (IDA) to Charleston Intl. Airport (CHS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from IDA to CHS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Charleston Intl. Airport (CHS)?
Choose a flight from Idaho Falls Regional Airport (IDA) to Charleston Intl. Airport (CHS) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Charleston Intl. Airport (CHS) last-minute?
Waiting until just before your departure to book your flight from IDA to CHS generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of snagging a bargain.
Is it cheaper to book an IDA to CHS flight and hotel package?
Securing an IDA to CHS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything 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 Charleston Intl. Airport (CHS)?
In most cases, you can cancel or modify your IDA to CHS flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Charleston Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$336
Distance
1873 mi

Book with confidence

Idaho Falls to Charleston Flights

The cheapest times to fly from Idaho Falls to Charleston

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

 

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

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

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 Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $168 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 Charleston 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 Charleston 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 Charleston Flights

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*Available to One Key members.