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$259+ Cheap flights from Idaho Falls to Charleston (IDA - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CHS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Idaho Falls to Charleston

Best flights from Idaho Falls to Charleston
Discover carefully curated flight deals from Idaho Falls to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:43 pmIDA - CHS
1 stop6h 12mAmerican Airlines
Wed 3/117:14 amCHS - IDA
1 stop7h 08mAmerican Airlines
Deal found 10/26$427
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:45 amIDA - CHS
2 stops10h 17mUnited Airlines
Wed 3/116:35 amCHS - IDA
2 stops8h 59mUnited Airlines
Deal found 10/27$479

Cheap flight deals from Idaho Falls to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$427
(American Airlines)

One-way from

$259
(Alaska Airlines)

Popular in

July

Cheapest in

October

Average price

$318
Provider with most accurate pricing for Idaho Falls Fanning Field-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Charleston flights.
Search Deals
From Idaho Falls Fanning Field to Charleston
Search Deals
One-way flight from Idaho Falls Fanning Field to Charleston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Idaho Falls to Charleston that are best for you.

Fly from

Idaho Falls

Fly to

Charleston

Route

Depart

Return

Price

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 3/10

1:43 pm-9:55 pm

1 stop6h 12m

Charleston

Wed 3/11

7:14 am-12:22 pm

1 stop7h 08m

$427

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 3/10

10:45 am-11:02 pm

2 stops10h 17m

Charleston

Wed 3/11

6:35 am-1:34 pm

2 stops8h 59m

$479

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Thu 12/25

6:00 am-5:57 pm

1 stop9h 57m

$259

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Wed 12/24

1:16 pm-10:26 pm

1 stop7h 10m

$268

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Mon 12/29

10:52 pm-8:28 pm

2 stops43h 36m

$302

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Wed 12/24

1:10 pm-3:10 pm

2 stops24h 00m

$339

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 12/30

2:30 pm-10:35 am

2 stops18h 05m

$357

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Fri 12/26

10:52 pm-9:23 pm

3 stops44h 31m

$403

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Mon 12/29

6:00 am-5:57 pm

1 stop9h 57m

$405

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 12/30

6:00 am-5:57 pm

1 stop9h 57m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 14 results
1
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Compare providers for flights from Idaho Falls to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Charleston in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Charleston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Charleston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Charleston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Charleston

What is the cheapest month to book a flight from Idaho Falls to Charleston?

Currently, October is the cheapest month in which you can book a flight from Idaho Falls to Charleston (average of $209). Flying from Idaho Falls to Charleston in May is currently the most expensive (average of $599). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IDA to CHS?

Find hourly flight availability from Idaho Falls to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 61% on flights from Idaho Falls to Charleston by exploring options for tickets at noon.

How much does it cost to fly round-trip from Idaho Falls to Charleston?

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated October 29, 2025.
Read through reviews of airlines operating flights from Idaho Falls to Charleston, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,030 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,030 reviews
American Airlines
7.2
Good
11,030 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho Falls to Charleston?

    For as low as $427, American Airlines can have you in Charleston from Idaho Falls in 6h 12m. Airlines will cover a distance of 1871 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Idaho Falls to Charleston round-trip?

    Cheapflights users have booked flights from Idaho Falls to Charleston round-trip from $198. Users have found that American Airlines is 67% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Idaho Falls to Charleston one-way?

    The cheapest airlines for a one-way flight from Idaho Falls to Charleston are Alaska Airlines ($259), American Airlines ($268), and Delta ($339).

  • Can I find deals for flights from Idaho Falls to Charleston that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Charleston.

  • Can I find deals for business class flights from Idaho Falls to Charleston?

    Yes. Cheapflights offers flight deals from Idaho Falls to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho Falls to Charleston?

    Currently, October is the cheapest month in which you can book a flight from Idaho Falls to Charleston (average of $209). Flying from Idaho Falls to Charleston in May is currently the most expensive (average of $599). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Isle of Palms
Santee
Mount Pleasant
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Idaho Falls to Charleston

Discover the top airline that operate flights from Idaho Falls to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$340FlexibilityNo cancel feeOn-time71%

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