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$235+ Cheap flights from Idaho to Charleston (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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Idaho to Charleston

Keep the following information in mind while searching for Idaho to Charleston flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$271
(Delta)

One-way from

$235
(Kiwi.com)

Popular in

November

Cheapest in

July

Average price

$434
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Charleston flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Charleston flights.
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From Idaho to Charleston
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One-way flight from Idaho to Charleston
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Highest demand for flights based on searches. 13% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Idaho to Charleston

Cheapest flights from Idaho to Charleston
Explore the most affordable flight options available from Idaho to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:12 pmGEG - CHS
1 stop7h 38mDelta
Wed 12/105:25 amCHS - GEG
1 stop9h 37mDelta
Deal found 10/28$275
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/28:47 pmGEG - CHS
1 stop18h 37mAlaska Airlines
Mon 12/87:24 pmCHS - GEG
1 stop26h 41mAlaska Airlines
Deal found 10/29$304
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/191:14 pmGEG - CHS
1 stop7h 43mAmerican Airlines
Sun 11/237:32 amCHS - GEG
1 stop8h 00mAmerican Airlines
Deal found 10/28$305
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/111:14 pmGEG - CHS
1 stop7h 44mAmerican Airlines
Mon 12/156:09 amCHS - GEG
2 stops9h 21mAmerican Airlines
Deal found 10/29$340
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 12/27:17 pmGEG - CHS
2 stops13h 55mDelta
Mon 12/89:00 amCHS - GEG
2 stops14h 10mDelta
Deal found 10/29$345
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/116:00 amGEG - CHS
2 stops10h 21mDelta
Mon 12/154:00 pmCHS - GEG
2 stops10h 59mDelta
Deal found 10/29$377
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/121:11 pmJAC - CHS
1 stop7h 13mAmerican Airlines
Sun 11/165:10 amCHS - JAC
2 stops9h 19mAmerican Airlines
Deal found 10/28$404
This Delta deal was found by Cheapflights users on 10/29. 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.
Mon 11/171:49 pmBOI - CHS
1 stop6h 01mDelta
Thu 11/208:00 amCHS - BOI
1 stop6h 39mDelta
Deal found 10/29$414
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 11/177:00 amJAC - CHS
2 stops8h 23mDelta
Wed 12/36:00 amCHS - JAC
2 stops17h 29mDelta
Deal found 10/30$432
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/111:06 pmJAC - CHS
1 stop7h 18mAmerican Airlines
Sun 11/165:10 amCHS - JAC
2 stops9h 19mAmerican Airlines
Deal found 10/30$454
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/136:15 amBOI - CHS
1 stop6h 51mUnited Airlines
Mon 11/174:38 pmCHS - BOI
1 stop8h 07mUnited Airlines
Deal found 10/29$497
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/131:20 pmGEG - CHS
1 stop25h 34mAlaska Airlines
Mon 11/176:59 pmCHS - GEG
1 stop8h 23mAlaska Airlines
Deal found 10/28$500

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 October 30, 2025.
Use the filters below to find and compare flights from Idaho to Charleston that are best for you.

Fly from

Idaho

Fly to

Charleston

Route

Depart

Return

Price

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-2:11 pm

1 stop6h 31m

Charleston

Wed 3/4

6:30 am-12:45 pm

1 stop8h 15m

$271

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Sat 12/6

1:12 pm-11:50 pm

1 stop7h 38m

Charleston

Wed 12/10

5:25 am-12:02 pm

1 stop9h 37m

$275

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Mon 2/23

6:28 am-5:31 pm

1 stop9h 03m

Charleston

Sat 2/28

6:45 pm-9:26 am

1 stop16h 41m

$300

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 12/2

8:47 pm-6:24 pm

1 stop18h 37m

Charleston

Mon 12/8

7:24 pm-7:05 pm

1 stop26h 41m

$304

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Wed 11/19

1:14 pm-11:57 pm

1 stop7h 43m

Charleston

Sun 11/23

7:32 am-12:32 pm

1 stop8h 00m

$305

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 4/7

11:30 pm-9:49 am

1 stop8h 19m

Charleston

Tue 4/14

6:30 am-12:36 pm

1 stop8h 06m

$331

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 1/20

1:38 pm-6:22 pm

1 stop25h 44m

Charleston

Thu 1/22

7:22 pm-12:23 am

1 stop8h 01m

$334

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Mon 2/23

12:30 pm-10:15 pm

1 stop7h 45m

Charleston

Sat 2/28

6:45 am-3:20 pm

2 stops10h 35m

$336

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 1/20

5:00 am-7:04 pm

2 stops11h 04m

Charleston

Thu 1/22

6:05 am-11:39 am

1 stop8h 34m

$340

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 12/2

7:17 pm-12:12 pm

2 stops13h 55m

Charleston

Mon 12/8

9:00 am-8:10 pm

2 stops14h 10m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 36 results
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Best time to book a flight from Idaho to Charleston

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

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

Currently, April is the cheapest month in which you can book a flight from Idaho to Charleston (average of $179). Flying from Idaho to Charleston in August is currently the most expensive (average of $351). 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.

What is the cheapest time of day to fly from ID to CHS?

Find hourly flight availability from Idaho to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Idaho to Charleston at noon. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Charleston from Idaho?

    Located just 10.2 mi from the city center, Charleston (CHS) is the airport most travelers will use when flying to Charleston from Idaho.

  • How long is the flight from Idaho to Charleston?

    There are many flights that can get you from Idaho to Charleston in 6h 31m. Fly via Delta, Alaska Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 2077 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to Charleston one-way?

    One-way options have recently been found by users for as low as $248 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $249 and American Airlines from $249 one-way.

  • What are the most popular routes from Idaho to Charleston?

    The most popular flight routes from Idaho to Charleston are Spokane - Charleston, Boise Air Term. Gowen Fld - Charleston and Jackson Hole - Charleston.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 to Charleston?

    Currently, April is the cheapest month in which you can book a flight from Idaho to Charleston (average of $179). Flying from Idaho to Charleston in August is currently the most expensive (average of $351). 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
Summerville
Walterboro
Isle of Palms
Santee
Mount Pleasant
Edisto Beach

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Alternative routes for Idaho to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Idaho to Charleston

Discover the top 5 airlines that operate flights from Idaho 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$399FlexibilityNo cancel feeOn-time71%
DeltaCheapest$219Average$421FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$598FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$349Average$437FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$430Average$617FlexibilityNo cancel feeOn-time75%

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