$390+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IDA
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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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
Best
Last-minute
Cheapest flights from Charleston to Idaho FallsExplore 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 September 15, 2026.
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 September 15, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/213:41 pm -
1 stop8h 01m
Wed 10/281:50 pm -
1 stop8h 09m
Deal found 9/10![American Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/217:00 am -
2 stops10h 21m
Wed 10/2810:35 am -
2 stops11h 24m
Deal found 9/10![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/256:44 am -
1 stop8h 53m
Tue 9/292:08 pm -
1 stop6h 40m
Deal found 9/10![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2611:27 am -
2 stops11h 27m
Wed 9/3010:35 am -
1 stop9h 11m
Deal found 9/11![United Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/266:44 am -
1 stop7h 01m
Wed 9/3012:15 pm -
1 stop8h 33m
Deal found 9/11![American Airlines logo]()
$558
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/27:09 pm -
1 stop29h 50m
Tue 10/66:09 am -
1 stop9h 46m
Deal found 9/11![Alaska Airlines logo]()
$606
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/297:09 pm -
1 stop29h 47m
Tue 10/66:09 am -
1 stop9h 46m
Deal found 9/11![Alaska Airlines logo]()
$696
Best flights from Charleston to Idaho FallsDiscover 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 September 15, 2026.
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 September 15, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/2111:12 am -
2 stops12h 30m
Wed 10/281:50 pm -
1 stop8h 09m
Deal found 9/10![American Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/217:00 am -
2 stops10h 21m
Wed 10/2810:35 am -
2 stops11h 24m
Deal found 9/10![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/256:44 am -
1 stop8h 53m
Tue 9/292:08 pm -
1 stop6h 40m
Deal found 9/10![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 1/64:00 pm -
1 stop7h 08m
Sat 1/97:00 am -
1 stop5h 57m
Deal found 9/14![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2611:27 am -
2 stops11h 27m
Wed 9/3010:35 am -
1 stop9h 11m
Deal found 9/11![United Airlines logo]()
$549
Last-minute flights from Charleston to Idaho FallsDiscover last-minute flight deals from Charleston to Idaho Falls. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Idaho Falls. Data last updated September 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/256:44 am -
1 stop8h 53m
Tue 9/292:08 pm -
1 stop6h 40m
Deal found 9/10![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2611:27 am -
2 stops11h 27m
Wed 9/3010:35 am -
1 stop9h 11m
Deal found 9/11![United Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/266:44 am -
1 stop7h 01m
Wed 9/3012:15 pm -
1 stop8h 33m
Deal found 9/11![American Airlines logo]()
$558
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/297:09 pm -
1 stop29h 47m
Tue 10/66:09 am -
1 stop9h 46m
Deal found 9/11![Alaska Airlines logo]()
$696
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/27:09 pm -
1 stop29h 50m
Tue 10/66:09 am -
1 stop9h 46m
Deal found 9/11![Alaska Airlines logo]()
$606
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/213:41 pm -
1 stop8h 01m
Wed 10/281:50 pm -
1 stop8h 09m
Deal found 9/10![American Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/217:00 am -
2 stops10h 21m
Wed 10/2810:35 am -
2 stops11h 24m
Deal found 9/10![United Airlines logo]()
$449
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $390 (American Airlines) |
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 7,457,451 searches. Data last updated September 15, 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
Cheapest round-trip
CharlestonIdaho Falls
CHS Charleston - IDA Idaho Falls Fanning Field
CHSIDA
Charleston
Wed 10/21
11:12 am-9:42 pm
2 stops12h 30m
Idaho Falls Fanning Field
Wed 10/28
1:50 pm-11:59 pm
1 stop8h 09m
$426
CharlestonIdaho Falls
CHS Charleston - IDA Idaho Falls Fanning Field
CHSIDA
Charleston
Wed 10/21
7:00 am-3:21 pm
2 stops10h 21m
Idaho Falls Fanning Field
Wed 10/28
10:35 am-11:59 pm
2 stops11h 24m
$449
CharlestonIdaho Falls
CHS Charleston - IDA Idaho Falls Fanning Field
CHSIDA
Charleston
Fri 9/25
6:44 am-1:37 pm
1 stop8h 53m
Idaho Falls Fanning Field
Tue 9/29
2:08 pm-10:48 pm
1 stop6h 40m
$459
Quickest round-trip
CharlestonIdaho Falls
CHS Charleston - IDA Idaho Falls Fanning Field
CHSIDA
Charleston
Wed 1/6
4:00 pm-9:08 pm
1 stop7h 08m
Idaho Falls Fanning Field
Sat 1/9
7:00 am-2:57 pm
1 stop5h 57m
$474
CharlestonIdaho Falls
CHS Charleston - IDA Idaho Falls Fanning Field
CHSIDA
Charleston
Sat 9/26
11:27 am-8:54 pm
2 stops11h 27m
Idaho Falls Fanning Field
Wed 9/30
10:35 am-9:46 pm
1 stop9h 11m
$549
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
CHS-IDA
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 September 15, 2026.
Read reviews from past customers who have flown United Airlines and American 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.
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Other flights to Idaho Falls
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Top 2 airlines flying from Charleston to Idaho Falls
Discover the top 2 airlines 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$526 | Average$790 | FlexibilityNo cancel fee | On-time69% |