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South Carolina

$133+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$133
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$639
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. 32% potential increase in price ($282 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 10/281:41 pmBOI - CHS
1 stop6h 24mAmerican Airlines
Tue 11/44:01 pmCHS - BOI
1 stop7h 17mAmerican Airlines
Deal found 6/10$251
This American Airlines deal was found by Cheapflights users on 6/11. 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 10/296:02 amGEG - CHS
1 stop8h 48mAmerican Airlines
Wed 11/54:01 pmCHS - GEG
1 stop7h 45mAmerican Airlines
Deal found 6/11$255
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 9/206:30 amGEG - CHS
2 stops14h 11mDelta
Tue 9/306:30 amCHS - GEG
1 stop8h 06mDelta
Deal found 6/12$260
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/121:40 pmGEG - CHS
1 stop25h 00mAlaska Airlines
Tue 9/166:17 pmCHS - GEG
1 stop8h 42mAlaska Airlines
Deal found 6/10$284
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/272:42 pmBOI - CLT
1 stop6h 11mUnited Airlines
Tue 9/94:27 pmCLT - BOI
1 stop6h 47mUnited Airlines
Deal found 6/11$297
This Delta deal was found by Cheapflights users on 6/10. 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 10/910:59 pmGEG - CLT
1 stop6h 39mDelta
Wed 10/155:20 pmCLT - GEG
1 stop9h 19mDelta
Deal found 6/10$297
This Delta deal was found by Cheapflights users on 6/11. 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 9/2511:30 pmBOI - SAV
1 stop7h 47mDelta
Mon 9/293:50 pmSAV - BOI
1 stop8h 53mDelta
Deal found 6/11$297
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 7/255:52 pmGEG - CLT
2 stops26h 48mMultiple Airlines
Wed 7/309:28 pmCLT - GEG
1 stop14h 15mMultiple Airlines
Deal found 6/10$302
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/231:36 pmBOI - SAV
1 stop7h 22mAmerican Airlines
Wed 9/33:40 pmSAV - BOI
1 stop8h 08mAmerican Airlines
Deal found 6/10$306
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/279:00 amBOI - CLT
2 stops12h 51mDelta
Tue 9/96:05 amCLT - BOI
2 stops9h 56mDelta
Deal found 6/11$307
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 7/95:30 amGEG - CHS
2 stops14h 43mUnited Airlines
Wed 7/164:27 pmCHS - GEG
1 stop7h 36mUnited Airlines
Deal found 6/11$320
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Mon 6/309:43 amBOI - CLT
1 stop25h 27mSpirit Airlines
Mon 7/219:21 amCLT - BOI
2 stops11h 31mSpirit Airlines
Deal found 6/10$325

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 June 12, 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

Tue 10/28

1:41 pm-10:05 pm

1 stop6h 24m

Charleston

Tue 11/4

4:01 pm-9:18 pm

1 stop7h 17m

$251

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Wed 10/29

6:02 am-5:50 pm

1 stop8h 48m

Charleston

Wed 11/5

4:01 pm-8:46 pm

1 stop7h 45m

$255

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Sat 9/20

6:30 am-11:41 pm

2 stops14h 11m

Charleston

Tue 9/30

6:30 am-11:36 am

1 stop8h 06m

$260

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Fri 9/12

1:40 pm-5:40 pm

1 stop25h 00m

Charleston

Tue 9/16

6:17 pm-11:59 pm

1 stop8h 42m

$284

BoiseCharlotte

BOI - CLT

BOICLT

Boise Air Term. Gowen Fld

Wed 8/27

2:42 pm-10:53 pm

1 stop6h 11m

Charlotte Douglas

Tue 9/9

4:27 pm-9:14 pm

1 stop6h 47m

$297

BoiseSavannah

BOI - SAV

BOISAV

Boise Air Term. Gowen Fld

Thu 9/25

11:30 pm-9:17 am

1 stop7h 47m

Savannah/Hilton Head

Mon 9/29

3:50 pm-10:43 pm

1 stop8h 53m

$297

SpokaneCharlotte

GEG - CLT

GEGCLT

Spokane

Fri 7/25

5:52 pm-11:40 pm

2 stops26h 48m

Charlotte Douglas

Wed 7/30

9:28 pm-8:43 am

1 stop14h 15m

$302

BoiseSavannah

BOI - SAV

BOISAV

Boise Air Term. Gowen Fld

Sat 8/23

1:36 pm-10:58 pm

1 stop7h 22m

Savannah/Hilton Head

Wed 9/3

3:40 pm-9:48 pm

1 stop8h 08m

$306

BoiseCharlotte

BOI - CLT

BOICLT

Boise Air Term. Gowen Fld

Wed 8/27

9:00 am-11:51 pm

2 stops12h 51m

Charlotte Douglas

Tue 9/9

6:05 am-2:01 pm

2 stops9h 56m

$307

SpokaneCharlotte

GEG - CLT

GEGCLT

Spokane

Tue 8/5

11:41 am-11:43 pm

1 stop9h 02m

Charlotte Douglas

Fri 8/15

5:29 pm-12:02 am

2 stops9h 33m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

Rainfall in South Carolina by month

Plan your trip to South Carolina by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Carolina ranges from 3.0 - 6.5 inches per month. July is typically the wettest month, when rainfall can reach 6.5 in. November is typically the driest time to visit South Carolina when rainfall is around 3.0 in.

Temperature in South Carolina by month

Plan your trip to South Carolina by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Carolina, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 44.6 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Idaho to South Carolina to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 United Airlines, which is currently one of the cheapest options available, starting at $133. Sun Country Air flights start at $148 while deals on Delta start at $149 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$494FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$457FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$635FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$340Average$515FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$388Average$608FlexibilityNo cancel feeOn-time75%

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