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Charleston

$139+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$256
(Delta)

One-way from

$139
(Delta)

Popular in

January

Cheapest in

July

Average price

$465
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. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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 10/281:35 pmBOI - CHS
1 stop8h 14mAmerican Airlines
Fri 10/317:02 amCHS - BOI
1 stop7h 41mAmerican Airlines
Deal found 9/12$234
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/281:35 pmBOI - CHS
1 stop8h 14mAmerican Airlines
Thu 10/302:26 pmCHS - BOI
1 stop9h 58mAmerican Airlines
Deal found 9/12$236
This Delta deal was found by Cheapflights users on 9/12. 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 10/285:42 amBOI - CHS
1 stop6h 30mDelta
Thu 10/305:35 amCHS - BOI
2 stops12h 31mDelta
Deal found 9/12$241
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 10/2411:15 pmGEG - CHS
1 stop8h 06mDelta
Tue 10/285:35 amCHS - GEG
2 stops12h 22mDelta
Deal found 9/12$256
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/241:28 pmBOI - CHS
1 stop8h 21mAmerican Airlines
Tue 10/2812:15 pmCHS - BOI
2 stops12h 07mAmerican Airlines
Deal found 9/12$274
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:42 amBOI - CHS
1 stop6h 30mDelta
Fri 10/315:35 amCHS - BOI
2 stops10h 27mDelta
Deal found 9/14$276
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 10/2411:39 pmBOI - CHS
1 stop8h 42mDelta
Tue 10/285:35 amCHS - BOI
1 stop8h 54mDelta
Deal found 9/12$288
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 10/2411:39 pmBOI - CHS
1 stop8h 42mDelta
Wed 10/296:40 amCHS - BOI
2 stops9h 22mDelta
Deal found 9/13$330
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.
Mon 9/295:05 amGEG - CHS
1 stop7h 22mUnited Airlines
Tue 10/72:48 pmCHS - GEG
2 stops11h 27mUnited Airlines
Deal found 9/14$383
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:58 pmGEG - CHS
1 stop8h 22mDelta
Fri 10/105:35 amCHS - GEG
1 stop9h 06mDelta
Deal found 9/14$387
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:05 pmGEG - CHS
2 stops14h 02mDelta
Tue 10/75:35 amCHS - GEG
2 stops11h 23mDelta
Deal found 9/14$388
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:45 pmGEG - CHS
1 stop20h 32mAlaska Airlines
Tue 10/77:23 pmCHS - GEG
1 stop8h 04mAlaska Airlines
Deal found 9/14$407

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 September 15, 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 10/28

1:35 pm-11:49 pm

1 stop8h 14m

Charleston

Thu 10/30

2:26 pm-10:24 pm

1 stop9h 58m

$236

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 10/28

1:35 pm-11:49 pm

1 stop8h 14m

Charleston

Fri 10/31

10:21 am-7:53 pm

2 stops11h 32m

$239

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Fri 10/24

11:15 pm-10:21 am

1 stop8h 06m

Charleston

Tue 10/28

5:35 am-2:57 pm

2 stops12h 22m

$256

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Fri 10/24

12:33 pm-11:49 pm

1 stop8h 16m

Charleston

Tue 10/28

7:25 am-12:20 pm

1 stop7h 55m

$261

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 10/24

1:28 pm-11:49 pm

1 stop8h 21m

Charleston

Tue 10/28

12:15 pm-10:22 pm

2 stops12h 07m

$274

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 10/28

5:42 am-2:12 pm

1 stop6h 30m

Charleston

Fri 10/31

2:35 pm-11:54 pm

2 stops11h 19m

$276

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

5:30 am-2:09 pm

2 stops10h 39m

$293

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 3/3

5:00 am-5:31 pm

1 stop9h 31m

Charleston

Wed 3/4

6:45 pm-12:14 am

1 stop8h 29m

$296

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 3/3

12:40 pm-11:39 pm

1 stop7h 59m

Charleston

Wed 3/4

5:30 am-1:14 pm

2 stops10h 44m

$310

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Mon 9/29

5:05 am-3:27 pm

1 stop7h 22m

Charleston

Tue 10/7

2:48 pm-11:15 pm

2 stops11h 27m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 35 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, August is the cheapest month in which you can book a flight from Idaho to Charleston (average of $217). Flying from Idaho to Charleston in March is currently the most expensive (average of $335). 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 September 15, 2025.

When flying from Idaho to Charleston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 8h 06m. Fly via American Airlines, Delta, or Hawaiian Airlines to get the fastest option. Airlines will cover a distance of 2193 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 $139 on Delta. Other airlines that offer cheap prices include American Airlines from $246 and Alaska Airlines from $254 one-way.

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

    The most popular flight routes from Idaho to Charleston are Boise Air Term. Gowen Fld - Charleston, Spokane - 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, August is the cheapest month in which you can book a flight from Idaho to Charleston (average of $217). Flying from Idaho to Charleston in March is currently the most expensive (average of $335). 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
Mount Pleasant
Isle of Palms
Santee
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$598FlexibilityNo cancel feeOn-time69%
DeltaCheapest$233Average$417FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$461FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$340Average$436FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$388Average$563FlexibilityNo cancel feeOn-time75%

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