HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$545+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IDA
may. 25 — jun. 11
lun. 5/25
lun. 6/1
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

Cheapest flights from Charleston to Idaho Falls
Explore the most affordable flight options available from Charleston to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 25, 2026.

This American Airlines deal was found by Cheapflights users on 4/24. 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.
sáb. 9/193:41 pm
CHS
-
IDA
1 stop7h 41m
American Airlines
sáb. 9/2612:12 pm
IDA
-
CHS
1 stop8h 27m
American Airlines
Deal found 4/24$545
This American Airlines deal was found by Cheapflights users on 4/22. 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.
jue. 5/712:26 pm
CHS
-
IDA
2 stops13h 13m
American Airlines
lun. 5/117:48 am
IDA
-
CHS
2 stops14h 36m
American Airlines
Deal found 4/22$556
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/191:00 pm
CHS
-
IDA
2 stops11h 14m
Delta
sáb. 9/266:50 pm
IDA
-
CHS
2 stops12h 53m
Delta
Deal found 4/22$559
This American Airlines deal was found by Cheapflights users on 4/25. 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.
jue. 8/203:41 pm
CHS
-
IDA
1 stop7h 39m
American Airlines
dom. 8/2312:10 pm
IDA
-
CHS
1 stop8h 29m
American Airlines
Deal found 4/25$661
This American Airlines deal was found by Cheapflights users on 4/24. 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.
lun. 6/83:43 pm
CHS
-
IDA
1 stop8h 32m
American Airlines
lun. 6/152:14 pm
IDA
-
CHS
1 stop6h 44m
American Airlines
Deal found 4/24$672
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
jue. 8/206:34 pm
CHS
-
IDA
1 stop30h 22m
Alaska Airlines
dom. 8/231:45 pm
IDA
-
CHS
1 stop25h 49m
Alaska Airlines
Deal found 4/25$683

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 abril 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$545
(American Airlines)

Popular in

March

Cheapest in

July
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
Highest demand for flights based on searches. 14% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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 abril 25, 2026.
Use the filters below to find and compare flights from Charleston to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

jue. 5/7

12:26 pm-11:39 pm

2 stops13h 13m

Idaho Falls Fanning Field

lun. 5/11

7:48 am-12:24 am

2 stops14h 36m

$556

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

sáb. 9/19

1:00 pm-10:14 pm

2 stops11h 14m

Idaho Falls Fanning Field

sáb. 9/26

6:50 pm-9:43 am

2 stops12h 53m

$559

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

jue. 8/20

10:30 am-10:14 pm

2 stops13h 44m

Idaho Falls Fanning Field

dom. 8/23

6:50 pm-9:43 am

2 stops12h 53m

$569

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

vie. 8/21

12:15 pm-10:14 pm

2 stops11h 59m

Idaho Falls Fanning Field

dom. 8/23

6:50 pm-9:43 am

2 stops12h 53m

$569

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

sáb. 9/19

3:41 pm-9:22 pm

1 stop7h 41m

Idaho Falls Fanning Field

sáb. 9/26

12:12 pm-10:39 pm

1 stop8h 27m

$571
Quickest round-trip

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

lun. 6/8

3:43 pm-10:15 pm

1 stop8h 32m

Idaho Falls Fanning Field

lun. 6/15

2:14 pm-10:58 pm

1 stop6h 44m

$672
Cheapest one-way
Quickest one-way

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

lun. 5/11

7:30 pm-1:13 pm

1 stop19h 43m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Sorted by cheapest first

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 April.
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 Charleston-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Idaho Falls flight deals on Cheapflights vs. FlightHub >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 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 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated abril 25, 2026.
Read reviews from past customers who have flown United Airlines from Charleston to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,650 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,650 reviews
United Airlines
7.4
Good
9,650 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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?

    American Airlines and Delta can get you from Charleston to Idaho Falls in just under 11h 14m. Your travel time can differ by up to 1h 59m. Charleston and Idaho Falls are separated by a distance of 1871 mi. This flight may include one or multiple stops.

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

    Flying on United Airlines is currently your cheapest option to Idaho Falls, with prices starting at $526. United Airlines is 11% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

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.

Top airline flying from Charleston to Idaho Falls

Discover the top airline that operate flights from Charleston to Idaho Falls. 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 abril 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$526Average$773FlexibilityNo 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.