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$301+ Cheap flights from Charleston to Boise (CHS - BOI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — BOI
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Charleston to Boise

Cheapest flights from Charleston to Boise
Explore the most affordable flight options available from Charleston to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:32 pm
CHS
-
BOI
1 stop17h 08m
Alaska Airlines
Thu 2/266:28 am
BOI
-
CHS
1 stop9h 04m
Alaska Airlines
Deal found 1/25$301
This Southwest deal was found by Cheapflights users on 1/25. 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.
Tue 2/241:45 pm
CHS
-
BOI
2 stops10h 45m
Southwest
Thu 2/261:45 pm
BOI
-
CHS
1 stop7h 30m
Southwest
Deal found 1/25$336
This American Airlines deal was found by Cheapflights users on 1/24. 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.
Sun 6/288:25 am
CHS
-
BOI
1 stop7h 43m
American Airlines
Sat 7/412:19 pm
BOI
-
CHS
1 stop8h 35m
American Airlines
Deal found 1/24$351
This Southwest deal was found by Cheapflights users on 1/25. 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.
Wed 2/181:45 pm
CHS
-
BOI
2 stops10h 45m
Southwest
Sun 2/226:30 am
BOI
-
CHS
2 stops10h 15m
Southwest
Deal found 1/25$375
This Delta deal was found by Cheapflights users on 1/25. 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 7/235:55 pm
CHS
-
BOI
1 stop6h 37m
Delta
Mon 7/2711:30 pm
BOI
-
CHS
2 stops10h 51m
Delta
Deal found 1/25$380
This American Airlines deal was found by Cheapflights users on 1/25. 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 2/205:10 am
CHS
-
BOI
2 stops9h 50m
American Airlines
Mon 2/231:39 pm
BOI
-
CHS
1 stop6h 50m
American Airlines
Deal found 1/25$385
This Southwest deal was found by Cheapflights users on 1/25. 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.
Wed 2/111:45 pm
CHS
-
BOI
1 stop11h 25m
Southwest
Tue 2/1712:30 pm
BOI
-
CHS
1 stop7h 45m
Southwest
Deal found 1/25$419

Find flight deals from Charleston to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Boise (BOI). 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 26, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$301
(Expedia)

Popular in

October

Cheapest in

April

Average price

$373
Provider with most accurate pricing for Charleston-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Boise Air Term. Gowen Fld flights.
Search Deals
From Charleston to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 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 Charleston to Boise 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 26, 2026.
Use the filters below to find and compare flights from Charleston to Boise that are best for you.

Fly from

Charleston

Fly to

Boise

Route

Depart

Return

Price

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Tue 2/24

6:32 pm-9:40 am

1 stop17h 08m

Boise Air Term. Gowen Fld

Thu 2/26

6:28 am-5:32 pm

1 stop9h 04m

$301

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Tue 2/24

1:45 pm-10:30 pm

2 stops10h 45m

Boise Air Term. Gowen Fld

Thu 2/26

1:45 pm-11:15 pm

1 stop7h 30m

$336

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Wed 2/18

1:45 pm-11:10 pm

1 stop11h 25m

Boise Air Term. Gowen Fld

Sun 2/22

6:30 am-6:45 pm

2 stops10h 15m

$376

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Fri 2/20

5:10 am-1:00 pm

2 stops9h 50m

Boise Air Term. Gowen Fld

Mon 2/23

1:39 pm-10:29 pm

1 stop6h 50m

$385

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Wed 2/11

7:55 am-3:20 pm

2 stops9h 25m

Boise Air Term. Gowen Fld

Tue 2/17

12:30 pm-10:15 pm

1 stop7h 45m

$419

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Thu 2/12

3:40 pm-12:10 am

2 stops10h 30m

Boise Air Term. Gowen Fld

Fri 2/20

1:45 pm-11:15 pm

1 stop7h 30m

$445

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Mon 2/16

6:00 am-3:00 pm

2 stops11h 00m

$314

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Mon 2/16

6:32 pm-10:40 pm

1 stop30h 08m

$318

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Mon 2/16

5:27 am-12:28 pm

1 stop9h 01m

$328

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Mon 2/16

6:35 pm-11:59 pm

3 stops55h 24m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Charleston-Boise flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Charleston-Boise flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Charleston-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Boise 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 Charleston-Boise 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 Charleston to Boise

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

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

Currently, August is the cheapest month in which you can book a flight from Charleston to Boise (average of $188). Flying from Charleston to Boise in March is currently the most expensive (average of $357). 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 Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated January 26, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and American Airlines from Charleston to Boise 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
11,792 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

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
11,792 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

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
8,113 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

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
11,189 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

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 Charleston to Boise. 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 Charleston to Boise?

    Departing from Charleston to Boise will take you 9h 50m. Charleston and Boise are separated by a distance of 2077 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Charleston to Boise is American Airlines. Our recent data shows that you can find tickets from as low as $250 on this airline. An additional option worth looking into is Delta, starting at $256. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Charleston to Boise one-way?

    One-way options have recently been found by users for as low as $125 on United Airlines. Other airlines that offer cheap prices include American Airlines from $155 and Delta from $248 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Charleston to Boise (average of $188). Flying from Charleston to Boise in March is currently the most expensive (average of $357). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 2 airlines flying from Charleston to Boise

Discover the top 2 airlines that operate flights from Charleston to Boise. 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$428FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$408FlexibilityNo cancel feeOn-timeN/A

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