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$133+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHS
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$250
(Alaska Airlines)

One-way from

$133
(Delta)

Popular in

January

Cheapest in

April

Average price

$416
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 ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/176:35 amBOI - CHS
1 stop8h 42mAlaska Airlines
sáb. 9/206:40 pmCHS - BOI
1 stop16h 48mAlaska Airlines
Deal found 7/30$250
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 10/281:33 pmBOI - CHS
1 stop8h 16mAmerican Airlines
vie. 10/312:23 pmCHS - BOI
1 stop7h 30mAmerican Airlines
Deal found 7/30$251
This American Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 9/207:00 amGEG - CHS
1 stop7h 44mAmerican Airlines
mar. 9/3010:32 amCHS - GEG
2 stops11h 07mAmerican Airlines
Deal found 7/29$260
This Delta deal was found by Cheapflights users on 7/29. 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.
sáb. 9/206:45 amGEG - CHS
2 stops11h 37mDelta
mar. 9/3012:55 pmCHS - GEG
2 stops13h 18mDelta
Deal found 7/29$265
This American Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 9/257:44 amJAC - CHS
2 stops13h 53mAmerican Airlines
dom. 9/285:00 amCHS - JAC
1 stop8h 27mAmerican Airlines
Deal found 7/30$282
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/203:26 pmGEG - CHS
1 stop22h 51mAlaska Airlines
mar. 9/306:17 pmCHS - GEG
1 stop9h 02mAlaska Airlines
Deal found 7/30$284
This Delta deal was found by Cheapflights users on 7/28. 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.
vie. 10/241:39 pmBOI - CHS
1 stop8h 20mDelta
mar. 10/2811:26 amCHS - BOI
2 stops10h 50mDelta
Deal found 7/28$286
This American Airlines deal was found by Cheapflights users on 7/27. 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.
sáb. 11/112:55 pmIDA - CHS
1 stop9h 20mAmerican Airlines
mié. 11/53:21 pmCHS - IDA
2 stops9h 13mAmerican Airlines
Deal found 7/27$322
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/182:16 pmBOI - CHS
2 stops15h 59mSpirit Airlines
vie. 9/196:08 pmCHS - BOI
2 stops21h 13mSpirit Airlines
Deal found 7/28$329
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/1412:10 pmGEG - CHS
1 stop7h 30mSouthwest
vie. 8/224:25 pmCHS - GEG
1 stop9h 35mSouthwest
Deal found 7/29$388
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/112:16 pmBOI - CHS
2 stops15h 59mMultiple Airlines
lun. 9/156:15 amCHS - BOI
2 stops16h 06mMultiple Airlines
Deal found 7/29$432
This United Airlines deal was found by Cheapflights users on 7/29. 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.
jue. 8/148:00 amJAC - CHS
2 stops11h 33mUnited Airlines
lun. 8/1811:25 amCHS - JAC
1 stop9h 40mUnited Airlines
Deal found 7/29$478

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 julio 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

mié. 9/17

6:35 am-5:17 pm

1 stop8h 42m

Charleston

sáb. 9/20

6:40 pm-9:28 am

1 stop16h 48m

$250

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

mar. 10/28

1:33 pm-11:49 pm

1 stop8h 16m

Charleston

vie. 10/31

2:23 pm-7:53 pm

1 stop7h 30m

$251

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

sáb. 9/20

7:00 am-5:44 pm

1 stop7h 44m

Charleston

mar. 9/30

10:32 am-6:39 pm

2 stops11h 07m

$260

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

sáb. 9/20

6:45 am-9:22 pm

2 stops11h 37m

Charleston

mar. 9/30

12:55 pm-11:13 pm

2 stops13h 18m

$265

JacksonCharleston

JAC - CHS

JACCHS

Jackson Hole

jue. 9/25

7:44 am-11:37 pm

2 stops13h 53m

Charleston

dom. 9/28

5:00 am-11:27 am

1 stop8h 27m

$282

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

sáb. 9/20

3:26 pm-5:17 pm

1 stop22h 51m

Charleston

mar. 9/30

6:17 pm-12:19 am

1 stop9h 02m

$284

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

vie. 10/24

1:39 pm-11:59 pm

1 stop8h 20m

Charleston

mar. 10/28

11:26 am-8:16 pm

2 stops10h 50m

$286

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

jue. 9/18

2:16 pm-8:15 am

2 stops15h 59m

Charleston

vie. 9/19

6:08 pm-1:21 pm

2 stops21h 13m

$329

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

jue. 8/14

12:10 pm-10:40 pm

1 stop7h 30m

Charleston

vie. 8/22

4:25 pm-11:00 pm

1 stop9h 35m

$388

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

jue. 9/11

2:16 pm-8:15 am

2 stops15h 59m

Charleston

lun. 9/15

6:15 am-8:21 pm

2 stops16h 06m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 28 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 julio 30, 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.

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated julio 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Idaho to Charleston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $133 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $155 and American Airlines from $158 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$538FlexibilityNo cancel feeOn-time69%
DeltaCheapest$233Average$450FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$460FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$340Average$436FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$388Average$563FlexibilityNo cancel feeOn-time75%

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