Charleston

$129+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHS
Feb 28 — Mar 71
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Cheap 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 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.
Tue 3/1012:25 pm
GEG
-
CHS
1 stop7h 58m
American Airlines
Tue 3/177:10 am
CHS
-
GEG
1 stop7h 34m
American Airlines
Deal found 1/28$257
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:35 pm
GEG
-
CHS
1 stop6h 19m
Delta
Tue 3/175:27 am
CHS
-
GEG
2 stops10h 43m
Delta
Deal found 1/28$262
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.
Tue 2/1712:25 pm
GEG
-
CHS
1 stop8h 00m
American Airlines
Tue 2/247:10 am
CHS
-
GEG
1 stop7h 34m
American Airlines
Deal found 1/27$282
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.
Tue 2/247:05 am
GEG
-
CHS
1 stop7h 27m
Alaska Airlines
Sat 2/286:32 pm
CHS
-
GEG
1 stop8h 27m
Alaska Airlines
Deal found 1/28$298
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:30 pm
GEG
-
CHS
2 stops12h 14m
Delta
Tue 2/2412:02 pm
CHS
-
GEG
2 stops14h 52m
Delta
Deal found 1/27$299
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:35 pm
BOI
-
CHS
2 stops12h 45m
Delta
Sat 4/255:20 am
CHS
-
BOI
2 stops12h 54m
Delta
Deal found 1/26$324
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.
Fri 4/241:29 pm
BOI
-
CHS
1 stop7h 24m
American Airlines
Tue 4/287:15 am
CHS
-
BOI
1 stop7h 23m
American Airlines
Deal found 1/27$331
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:45 pm
GEG
-
CHS
1 stop6h 51m
Delta
Mon 8/175:30 am
CHS
-
GEG
1 stop8h 54m
Delta
Deal found 1/27$335
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:35 pm
BOI
-
CHS
2 stops12h 49m
Delta
Tue 4/289:38 am
CHS
-
BOI
2 stops12h 17m
Delta
Deal found 1/27$339
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.
Fri 8/1412:42 pm
GEG
-
CHS
1 stop7h 56m
American Airlines
Mon 8/175:00 am
CHS
-
GEG
2 stops10h 16m
American Airlines
Deal found 1/27$340
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.
Tue 6/96:59 pm
BOI
-
CHS
2 stops11h 55m
United Airlines
Tue 6/167:00 am
CHS
-
BOI
2 stops12h 56m
United Airlines
Deal found 1/28$342
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2011:30 pm
BOI
-
CHS
1 stop8h 14m
Delta
Fri 3/275:27 am
CHS
-
BOI
1 stop9h 11m
Delta
Deal found 1/28$359

Find flight deals from Idaho to Charleston

Keep the following information in mind while searching for Idaho to Charleston flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(American Airlines)

One-way from

$129
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$330
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Charleston flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Charleston flights.
From Idaho to Charleston
One-way flight from Idaho to Charleston
Highest demand for flights based on searches. 18% potential increase in price ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 29, 2026.
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

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 3/10

12:25 pm-11:23 pm

1 stop7h 58m

Charleston

Tue 3/17

7:10 am-11:44 am

1 stop7h 34m

$257

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 3/10

10:40 pm-8:41 am

1 stop7h 01m

Charleston

Tue 3/17

4:51 pm-12:03 am

2 stops10h 12m

$262

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 2/17

12:25 pm-11:25 pm

1 stop8h 00m

Charleston

Tue 2/24

7:10 am-11:44 am

1 stop7h 34m

$282

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Tue 2/24

7:05 am-5:32 pm

1 stop7h 27m

Charleston

Sat 2/28

6:32 pm-11:59 pm

1 stop8h 27m

$298

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Sun 4/19

8:35 pm-11:20 am

2 stops12h 45m

Charleston

Sat 4/25

5:20 am-4:14 pm

2 stops12h 54m

$324

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 4/24

1:29 pm-10:53 pm

1 stop7h 24m

Charleston

Tue 4/28

7:15 am-12:38 pm

1 stop7h 23m

$331

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Sun 4/19

1:29 pm-10:53 pm

1 stop7h 24m

Charleston

Sat 4/25

7:15 am-12:38 pm

1 stop7h 23m

$331

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 6/9

12:19 pm-10:54 pm

1 stop8h 35m

Charleston

Tue 6/16

8:25 am-2:08 pm

1 stop7h 43m

$331

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 4/24

2:18 pm-12:22 am

1 stop8h 04m

Charleston

Tue 4/28

6:25 am-2:26 pm

2 stops10h 01m

$336

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Fri 7/24

12:40 pm-10:56 pm

1 stop7h 16m

Charleston

Sat 8/1

5:30 am-1:07 pm

2 stops10h 37m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 54 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.

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 7h 01m. Fly via American Airlines, Delta, or United 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 most popular routes from Idaho to 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
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
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.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$404FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$509FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$458FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$310Average$416FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$430Average$658FlexibilityNo cancel feeOn-time75%

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