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South Carolina

$126+ Cheap flights from Idaho to South Carolina

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Idaho to South Carolina

Keep the following information in mind while searching for Idaho to South Carolina flight deals. Data was last updated July 31, 2025.

Round-trip from

$250
(Alaska Airlines)

One-way from

$126
(American Airlines)

Popular in

February

Cheapest in

April

Average price

$486
From Idaho to South Carolina
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One-way flight from Idaho to South Carolina
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Highest demand for flights based on searches. 34% potential increase in price ($304 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($39 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 South Carolina

Cheapest flights from Idaho to South Carolina
Explore the most affordable flight options available from Idaho to South Carolina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 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.
Wed 9/176:35 amBOI - CHS
1 stop8h 42mAlaska Airlines
Sat 9/206:40 pmCHS - BOI
1 stop16h 48mAlaska Airlines
Deal found 7/30$250
This American Airlines deal was found by Cheapflights users on 7/31. 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 10/281:33 pmBOI - CHS
1 stop8h 16mAmerican Airlines
Fri 10/317:02 amCHS - BOI
1 stop7h 41mAmerican Airlines
Deal found 7/31$251
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 12/65:48 amGEG - CHS
1 stop9h 03mAmerican Airlines
Sat 12/134:00 pmCHS - GEG
1 stop7h 44mAmerican Airlines
Deal found 7/31$255
This Delta deal was found by Cheapflights users on 7/31. 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
2 stops13h 21mDelta
Fri 10/312:05 pmCHS - BOI
2 stops11h 49mDelta
Deal found 7/31$261
This Delta deal was found by Cheapflights users on 7/31. 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 9/206:45 amGEG - CHS
2 stops11h 37mDelta
Tue 9/3012:55 pmCHS - GEG
2 stops14h 08mDelta
Deal found 7/31$265
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/207:44 pmGEG - CHS
1 stop18h 33mAlaska Airlines
Tue 9/306:17 pmCHS - GEG
1 stop9h 02mAlaska Airlines
Deal found 7/31$284
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 12/65:48 amGEG - CAE
2 stops10h 19mAmerican Airlines
Sat 12/135:22 amCAE - GEG
2 stops10h 37mAmerican Airlines
Deal found 7/31$319
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.
Sat 9/1312:31 pmGEG - CLT
1 stop6h 59mAmerican Airlines
Tue 9/165:30 amCLT - GEG
1 stop9h 15mAmerican Airlines
Deal found 7/30$325
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.
Sat 9/135:40 amGEG - CLT
1 stop7h 39mDelta
Tue 9/166:20 amCLT - GEG
2 stops9h 17mDelta
Deal found 7/29$330
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.
Thu 9/185:22 pmBOI - CLT
1 stop9h 51mAmerican Airlines
Tue 9/231:49 pmCLT - BOI
1 stop9h 59mAmerican Airlines
Deal found 7/30$331
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:52 amGEG - CLT
1 stop25h 45mFrontier
Thu 9/45:20 pmCLT - GEG
1 stop20h 38mFrontier
Deal found 7/31$331
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.
Sat 9/2012:40 pmGEG - SAV
1 stop8h 15mDelta
Wed 9/246:40 amSAV - GEG
1 stop7h 42mDelta
Deal found 7/28$333

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to South Carolina 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 July 31, 2025.
Use the filters below to find and compare flights from Idaho to South Carolina that are best for you.

Fly from

Idaho

Fly to

South Carolina

Route

Depart

Return

Price

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Wed 9/17

6:35 am-5:17 pm

1 stop8h 42m

Charleston

Sat 9/20

6:40 pm-9:28 am

1 stop16h 48m

$250

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 10/28

1:33 pm-11:49 pm

1 stop8h 16m

Charleston

Fri 10/31

7:02 am-12:43 pm

1 stop7h 41m

$251

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Sat 12/6

5:48 am-5:51 pm

1 stop9h 03m

Charleston

Sat 12/13

4:00 pm-8:44 pm

1 stop7h 44m

$255

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 10/28

5:42 am-9:03 pm

2 stops13h 21m

Charleston

Fri 10/31

2:05 pm-11:54 pm

2 stops11h 49m

$261

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Sat 9/20

6:45 am-9:22 pm

2 stops11h 37m

Charleston

Tue 9/30

12:55 pm-12:03 am

2 stops14h 08m

$265

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Sat 9/20

7:44 pm-5:17 pm

1 stop18h 33m

Charleston

Tue 9/30

6:17 pm-12:19 am

1 stop9h 02m

$284

SpokaneColumbia

GEG - CAE

GEGCAE

Spokane

Sat 12/6

5:48 am-7:07 pm

2 stops10h 19m

Columbia Metropolitan

Sat 12/13

5:22 am-12:59 pm

2 stops10h 37m

$319

SpokaneCharlotte

GEG - CLT

GEGCLT

Spokane

Sat 9/13

12:31 pm-10:30 pm

1 stop6h 59m

Charlotte Douglas

Tue 9/16

5:30 am-11:45 am

1 stop9h 15m

$325

SpokaneCharlotte

GEG - CLT

GEGCLT

Spokane

Sat 9/13

5:40 am-4:19 pm

1 stop7h 39m

Charlotte Douglas

Tue 9/16

6:20 am-12:37 pm

2 stops9h 17m

$330

SpokaneCharlotte

GEG - CLT

GEGCLT

Spokane

Thu 8/28

11:52 am-4:37 pm

1 stop25h 45m

Charlotte Douglas

Thu 9/4

5:20 pm-10:58 am

1 stop20h 38m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to South Carolina

Have a flexible travel schedule? Discover the best time to fly to South Carolina 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 South Carolina

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

Currently, August is the cheapest month in which you can book a flight from Idaho to South Carolina (average of $217). Flying from Idaho to South Carolina 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 SC?

Find hourly flight availability from Idaho to South Carolina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to South Carolina as you normally would.

Reviews of airlines servicing South Carolina

Get insights into the airlines that provide service to South Carolina. 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 South Carolina. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Idaho to South Carolina. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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 South Carolina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $126. Delta flights start at $133 while deals on Spirit Airlines start at $159 one-way.

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

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

  • How can I find direct flights from Idaho to South Carolina?

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

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

    Yes. Cheapflights offers flight deals from Idaho to South Carolina 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 South Carolina?

    Currently, August is the cheapest month in which you can book a flight from Idaho to South Carolina (average of $217). Flying from Idaho to South Carolina 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

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Alternative routes for Idaho to South Carolina

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 South Carolina

Discover the top 5 airlines that operate flights from Idaho to South Carolina. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$559FlexibilityNo cancel feeOn-time69%
DeltaCheapest$233Average$465FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$480FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$340Average$502FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$388Average$563FlexibilityNo cancel feeOn-time75%

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