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$166+ Cheap flights from Boise to Charleston (BOI - 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHS
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Boise to Charleston

Cheapest flights from Boise to Charleston
Explore the most affordable flight options available from Boise to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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 4/242:10 pm
BOI
-
CHS
1 stop8h 11m
Delta
Tue 4/286:30 am
CHS
-
BOI
1 stop8h 30m
Delta
Deal found 1/20$331
This Delta deal was found by Cheapflights users on 1/18. 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 8/1210:38 am
BOI
-
CHS
2 stops11h 19m
Delta
Tue 8/182:25 pm
CHS
-
BOI
2 stops11h 34m
Delta
Deal found 1/18$342
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 2/266:28 am
BOI
-
CHS
1 stop9h 04m
Alaska Airlines
Sun 3/16:32 pm
CHS
-
BOI
1 stop22h 36m
Alaska Airlines
Deal found 1/18$345
This Delta deal was found by Cheapflights users on 1/18. 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 8/1210:38 am
BOI
-
CHS
2 stops11h 19m
Delta
Sun 8/165:55 pm
CHS
-
BOI
1 stop6h 37m
Delta
Deal found 1/18$350
This American Airlines deal was found by Cheapflights users on 1/19. 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 3/71:30 pm
BOI
-
CHS
2 stops8h 21m
American Airlines
Tue 3/103:48 pm
CHS
-
BOI
1 stop8h 35m
American Airlines
Deal found 1/19$358
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Sat 2/148:05 am
BOI
-
CHS
2 stops13h 39m
United Airlines
Wed 2/1810:20 am
CHS
-
BOI
2 stops12h 35m
United Airlines
Deal found 1/17$382
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 2/56:10 am
BOI
-
CHS
1 stop6h 55m
United Airlines
Sat 2/216:00 am
CHS
-
BOI
1 stop8h 33m
United Airlines
Deal found 1/18$384
This Delta deal was found by Cheapflights users on 1/18. 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 4/268:01 pm
BOI
-
CHS
2 stops10h 42m
Delta
Fri 5/13:02 pm
CHS
-
BOI
2 stops11h 10m
Delta
Deal found 1/18$386
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/56:10 am
BOI
-
CHS
1 stop6h 55m
United Airlines
Tue 2/1011:00 am
CHS
-
BOI
2 stops12h 52m
United Airlines
Deal found 1/19$389

Find flight deals from Boise to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$331
(Delta)

One-way from

$166
(Delta)

Popular in

November

Cheapest in

January

Average price

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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 20, 2026.
Use the filters below to find and compare flights from Boise to Charleston that are best for you.

Fly from

Boise

Fly to

Charleston

Route

Depart

Return

Price

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 4/17

2:10 pm-12:21 am

1 stop8h 11m

Charleston

Thu 4/23

6:30 am-1:00 pm

1 stop8h 30m

$331

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

Fri 4/24

2:10 pm-12:21 am

1 stop8h 11m

Charleston

Tue 4/28

6:30 am-1:00 pm

1 stop8h 30m

$331

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Sun 4/26

11:36 pm-10:05 am

1 stop8h 29m

Charleston

Fri 5/1

3:02 pm-8:51 pm

1 stop7h 49m

$331

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Sun 6/14

11:30 pm-9:42 am

1 stop8h 12m

Charleston

Fri 6/19

3:10 pm-11:56 pm

2 stops10h 46m

$336

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 4/17

2:10 pm-12:21 am

1 stop8h 11m

$166

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Thu 2/5

6:10 am-3:05 pm

1 stop6h 55m

$249

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 1/27

7:20 am-5:27 pm

1 stop8h 07m

$325

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Wed 1/28

6:13 am-9:08 pm

2 stops12h 55m

$330

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 4/17

4:15 pm-10:41 pm

3 stops52h 26m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 12 results
1
2

Compare providers for flights from Boise to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Charleston in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Charleston flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Boise 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 Boise to Charleston

How far ahead should I book a flight from Boise to Charleston?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Charleston. Price data was last updated on January 16, 2026.

The best time to book flights from Boise to Charleston is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boise to Charleston?

Currently, April is the cheapest month in which you can book a flight from Boise to Charleston (average of $179). Flying from Boise 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.

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 January 20, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Boise to Charleston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,760 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,076 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,180 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,164 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Boise to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boise to Charleston?

    A quick flight from Boise to Charleston can take about 7h 24m. Delta provides one of the quickest options available for as low as $331. Airlines will cover a distance of 2077 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boise to Charleston round-trip?

    Our cheapest airline available from Boise to Charleston is Delta. Our recent data shows that you can find tickets from as low as $179 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $228 and $250 round-trip. Delta is currently priced 62% below the average price you’ll pay for this route.

  • Can I find deals for flights from Boise to Charleston that include hotel bookings?

    Yes. In addition to deals on Boise to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Charleston?

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

  • Can I find deals for business class flights from Boise to Charleston?

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Charleston?

    Currently, April is the cheapest month in which you can book a flight from Boise to Charleston (average of $179). Flying from Boise 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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Top 5 airlines flying from Boise to Charleston

Discover the top 5 airlines that operate flights from Boise 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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$404FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$538FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$431FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$310Average$416FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$430Average$658FlexibilityNo cancel feeOn-time75%

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