HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$445+ Cheap flights from Charleston to Idaho Falls (CHS - IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IDA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Charleston to Idaho Falls

Best flights from Charleston to Idaho Falls
Discover carefully curated flight deals from Charleston to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sat 1/176:00 amCHS - IDA
2 stops11h 31mUnited Airlines
Wed 1/216:30 amIDA - CHS
1 stop6h 35mUnited Airlines
Deal found 12/9$445

Find flight deals from Charleston to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Idaho Falls (IDA). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$336
(Alaska Airlines)
Provider with most accurate pricing for Charleston-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Idaho Falls Fanning Field flights.
Search Deals
From Charleston to Idaho Falls Fanning Field
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Idaho Falls 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 December 12, 2025.
Use the filters below to find and compare flights from Charleston to Idaho Falls that are best for you.

Fly from

Charleston

Fly to

Idaho Falls

Route

Depart

Return

Price

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Sat 1/17

6:00 am-3:31 pm

2 stops11h 31m

Idaho Falls Fanning Field

Wed 1/21

6:30 am-3:05 pm

1 stop6h 35m

$445

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Sat 12/27

4:51 pm-5:31 pm

3 stops26h 40m

$647

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Sat 12/27

6:30 am-9:58 am

2 stops29h 28m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Charleston to Idaho Falls

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 Charleston to Idaho Falls in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Charleston-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Charleston-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Idaho Falls 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 Charleston-Idaho Falls 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 Charleston to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Charleston 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 Charleston to Idaho Falls

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

Currently, September is the cheapest month in which you can book a flight from Charleston to Idaho Falls (average of $266). Flying from Charleston to Idaho Falls in May is currently the most expensive (average of $449). 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.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Idaho Falls. 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 Charleston to Idaho Falls?

    United Airlines can get you from Charleston to Idaho Falls in just under 11h 31m. Your travel time can differ by up to . Charleston and Idaho Falls are separated by a distance of 1871 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Charleston to Idaho Falls 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 Charleston to Idaho Falls?

    Currently, September is the cheapest month in which you can book a flight from Charleston to Idaho Falls (average of $266). Flying from Charleston to Idaho Falls in May is currently the most expensive (average of $449). 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 Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Charleston to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Jackson flights
Myrtle Beach to Jackson flights
Greenville to Jackson flights
Charleston to Jackson flights
Charlotte to Spokane flights
Charlotte to Hailey flights
Charlotte to Idaho Falls flights
Charlotte to Boise flights
Savannah to Jackson flights
Savannah to Spokane flights
Greenville to Spokane flights
Charleston to Boise flights
Greenville to Boise flights
Charleston to Spokane flights
Columbia to Jackson flights
Columbia to Idaho Falls flights
Savannah to Boise flights
Greenville to Idaho Falls flights
Columbia to Spokane flights
Columbia to Boise flights
Charleston to Hailey flights
Augusta to Jackson flights
Augusta to Idaho Falls flights
Greenville to West Yellowstone flights
Columbia to West Yellowstone flights
Augusta to Boise flights
Florence to Spokane flights
Hilton Head Island to Boise flights
Charlotte to West Yellowstone flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.