HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$174+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CHS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Charleston 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 Idaho Falls to Charleston

Cheapest flights from Idaho Falls to Charleston
Explore the most affordable flight options available from Idaho Falls to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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 7/2112:41 pm
IDA
-
CHS
1 stop8h 16m
American Airlines
Tue 7/288:25 am
CHS
-
IDA
1 stop6h 48m
American Airlines
Deal found 1/28$393
This United Airlines deal was found by Cheapflights users on 1/28. 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 7/215:57 pm
IDA
-
CHS
2 stops14h 28m
United Airlines
Tue 7/282:30 pm
CHS
-
IDA
2 stops10h 23m
United Airlines
Deal found 1/28$515
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 2/1910:45 am
IDA
-
CHS
2 stops21h 24m
United Airlines
Sun 2/225:10 pm
CHS
-
IDA
2 stops18h 38m
United Airlines
Deal found 1/28$816
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:59 pm
IDA
-
CHS
1 stop21h 54m
Alaska Airlines
Fri 3/276:53 pm
CHS
-
IDA
1 stop29h 59m
Alaska Airlines
Deal found 1/26$837
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/272:40 pm
IDA
-
CHS
2 stops22h 08m
United Airlines
Sat 1/314:01 pm
CHS
-
IDA
1 stop7h 15m
United Airlines
Deal found 1/26$907
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 3/206:05 am
IDA
-
CHS
2 stops10h 00m
American Airlines
Fri 3/277:03 am
CHS
-
IDA
1 stop8h 45m
American Airlines
Deal found 1/26$908
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:20 pm
IDA
-
CHS
1 stop22h 12m
Alaska Airlines
Sun 2/226:32 pm
CHS
-
IDA
1 stop31h 04m
Alaska Airlines
Deal found 1/28$909

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$393
(American Airlines)

One-way from

$174
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$512
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. 21% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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 7/21

12:41 pm-11:51 pm

2 stops9h 10m

Charleston

Tue 7/28

8:25 am-1:13 pm

1 stop6h 48m

$454

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 7/21

5:57 pm-10:25 am

2 stops14h 28m

Charleston

Tue 7/28

2:30 pm-10:53 pm

2 stops10h 23m

$515

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Thu 2/19

10:45 am-10:09 am

2 stops21h 24m

Charleston

Sun 2/22

5:10 pm-9:48 am

2 stops18h 38m

$816

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Fri 3/20

5:59 pm-5:53 pm

1 stop21h 54m

Charleston

Fri 3/27

6:53 pm-10:52 pm

1 stop29h 59m

$837

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Fri 3/20

6:05 am-6:05 pm

2 stops10h 00m

Charleston

Fri 3/27

7:03 am-1:48 pm

1 stop8h 45m

$908

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Thu 2/19

5:20 pm-5:32 pm

1 stop22h 12m

Charleston

Sun 2/22

6:32 pm-11:36 pm

1 stop31h 04m

$909

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Thu 2/12

6:03 am-11:59 pm

2 stops15h 56m

Charleston

Mon 2/16

7:05 am-1:48 pm

1 stop8h 43m

$968

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 3/3

6:18 am-11:59 pm

2 stops15h 41m

$174

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 3/24

5:59 pm-11:34 am

2 stops15h 35m

$216

Idaho FallsCharleston

IDA - CHS

IDACHS

Idaho Falls Fanning Field

Tue 3/3

6:35 am-3:01 pm

1 stop6h 26m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 13 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Charleston flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 January 29, 2026.
Read through reviews of airlines operating flights from Idaho Falls to Charleston, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $454, American Airlines can have you in Charleston from Idaho Falls in 9h 10m. 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 $361. Users have found that United Airlines is 35% cheaper than the other options available to this destination.

  • 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
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach

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.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$361Average$512FlexibilityNo cancel feeOn-time69%

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.