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Idaho Falls

$389+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IDA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 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.
Wed 2/2510:58 am
CHS
-
IDA
2 stops14h 26m
American Airlines
Tue 3/36:18 am
IDA
-
CHS
2 stops15h 41m
American Airlines
Deal found 1/28$389
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.
Wed 2/256:32 pm
CHS
-
IDA
1 stop31h 04m
Alaska Airlines
Tue 3/35:20 pm
IDA
-
CHS
1 stop22h 12m
Alaska Airlines
Deal found 1/28$464
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.
Thu 7/93:41 pm
CHS
-
IDA
1 stop8h 16m
American Airlines
Tue 7/1412:41 pm
IDA
-
CHS
1 stop8h 16m
American Airlines
Deal found 1/28$475
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 7/96:35 am
CHS
-
IDA
2 stops12h 47m
United Airlines
Tue 7/145:57 pm
IDA
-
CHS
2 stops14h 28m
United Airlines
Deal found 1/28$518
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 2/1110:15 am
CHS
-
IDA
2 stops13h 01m
United Airlines
Sun 2/156:35 am
IDA
-
CHS
1 stop6h 26m
United Airlines
Deal found 1/27$560
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 4/137:40 pm
CHS
-
IDA
2 stops16h 13m
United Airlines
Sat 4/1810:40 am
IDA
-
CHS
2 stops9h 19m
United Airlines
Deal found 1/27$563
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:29 pm
CHS
-
IDA
2 stops12h 07m
American Airlines
Sun 2/156:03 am
IDA
-
CHS
2 stops15h 56m
American Airlines
Deal found 1/27$574
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.
Sat 1/314:01 pm
CHS
-
IDA
1 stop7h 15m
United Airlines
Tue 2/310:51 am
IDA
-
CHS
2 stops30h 13m
United Airlines
Deal found 1/26$613

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(American 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
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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 January 29, 2026.
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

Wed 2/25

10:58 am-11:24 pm

2 stops14h 26m

Idaho Falls Fanning Field

Tue 3/3

6:18 am-11:59 pm

2 stops15h 41m

$389

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Wed 2/25

6:32 pm-11:36 pm

1 stop31h 04m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-5:32 pm

1 stop22h 12m

$464

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Thu 7/9

3:41 pm-9:57 pm

1 stop8h 16m

Idaho Falls Fanning Field

Tue 7/14

12:41 pm-10:57 pm

1 stop8h 16m

$475

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Wed 2/11

10:15 am-9:16 pm

2 stops13h 01m

Idaho Falls Fanning Field

Sun 2/15

6:35 am-3:01 pm

1 stop6h 26m

$560

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Wed 2/11

12:29 pm-10:36 pm

2 stops12h 07m

Idaho Falls Fanning Field

Sun 2/15

6:03 am-11:59 pm

2 stops15h 56m

$574

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Mon 4/13

7:40 pm-9:53 am

2 stops16h 13m

Idaho Falls Fanning Field

Sat 4/18

10:40 am-9:37 pm

1 stop8h 57m

$592

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Sun 4/12

5:27 am-6:15 pm

2 stops14h 48m

Idaho Falls Fanning Field

Sat 4/18

6:58 pm-10:09 am

2 stops13h 11m

$639

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Sun 4/12

5:27 am-10:16 pm

2 stops18h 49m

Idaho Falls Fanning Field

Sun 4/19

6:58 pm-10:09 am

2 stops13h 11m

$639

CharlestonIdaho Falls

CHS - IDA

CHSIDA

Charleston

Mon 4/13

7:40 pm-9:53 am

2 stops16h 13m

Idaho Falls Fanning Field

Fri 4/17

5:20 pm-9:37 pm

1 stop26h 17m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 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 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.

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 $424). 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?

    American Airlines and Alaska Airlines can get you from Charleston to Idaho Falls in just under 14h 26m. Your travel time can differ by up to 16h 38m. Charleston and Idaho Falls are separated by a distance of 1871 mi. This flight may include one or multiple stops.

  • 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 $424). 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?

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Rexburg

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