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$156+ 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 9/26. 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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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Charleston are usually found in July or April, booked 49 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 June 12, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$156
(American Airlines)

Popular in

January

Cheapest in

July

Average price

$524
From Boise Air Term. Gowen Fld to Charleston
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One-way flight from Boise Air Term. Gowen Fld to Charleston
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 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 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 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 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.
Sat 7/1212:39 pmBOI - CHS
1 stop6h 54mUnited Airlines
Tue 7/224:27 pmCHS - BOI
1 stop8h 00mUnited Airlines
Deal found 6/11$331
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.
Tue 7/811:40 pmBOI - CHS
1 stop7h 57mDelta
Tue 7/153:06 pmCHS - BOI
2 stops11h 03mDelta
Deal found 6/11$340
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/112:50 pmBOI - CHS
1 stop8h 05mSouthwest
Fri 7/185:20 amCHS - BOI
1 stop9h 45mSouthwest
Deal found 6/11$345
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:49 pmBOI - CHS
3 stops18h 32mSpirit Airlines
Sun 9/2810:28 amCHS - BOI
2 stops36h 16mSpirit Airlines
Deal found 6/11$429
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Thu 8/146:41 pmBOI - CHS
3 stops39h 26mMultiple Airlines
Sun 8/1710:32 amCHS - BOI
2 stops36h 12mMultiple Airlines
Deal found 6/9$466

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 June 12, 2025.
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

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

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Sat 7/12

12:39 pm-9:33 pm

1 stop6h 54m

Charleston

Tue 7/22

4:27 pm-10:27 pm

1 stop8h 00m

$331

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Tue 7/8

11:40 pm-9:37 am

1 stop7h 57m

Charleston

Tue 7/15

3:06 pm-12:09 am

2 stops11h 03m

$340

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 7/11

2:50 pm-12:55 am

1 stop8h 05m

Charleston

Fri 7/18

5:20 am-1:05 pm

1 stop9h 45m

$345

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 9/26

9:49 pm-6:21 pm

3 stops18h 32m

Charleston

Sun 9/28

10:28 am-8:44 pm

2 stops36h 16m

$429

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Thu 8/14

6:41 pm-12:07 pm

3 stops39h 26m

Charleston

Sun 8/17

10:32 am-8:44 pm

2 stops36h 12m

$466

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 9/26

1:38 pm-10:44 pm

1 stop7h 06m

$156

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Thu 7/31

11:40 pm-9:37 am

1 stop7h 57m

$180

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Fri 9/26

9:49 pm-9:33 am

2 stops33h 44m

$211

BoiseCharleston

BOI - CHS

BOICHS

Boise Air Term. Gowen Fld

Thu 6/26

7:15 pm-10:23 am

2 stops13h 08m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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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 June 9, 2025.

The best time to book flights from Boise to Charleston is 49 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, August is the cheapest month in which you can book a flight from Boise to Charleston (average of $217). Flying from Boise 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 BOI to CHS?

Find hourly flight availability from Boise 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Boise to Charleston in the afternoon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

Rainfall in Charleston by month

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

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

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

If weather is an important factor for your trip to Charleston, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 12, 2025.
To help decide which airline to fly from Boise to Charleston, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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 Boise to Charleston. 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 flying from Boise to Charleston round-trip?

    Our cheapest airline available from Boise to Charleston is American Airlines. Our recent data shows that you can find tickets from as low as $251 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $331 and $340 round-trip. American Airlines is currently priced 48% below the average price you’ll pay for this route.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $156. Users have also found prices from $180 and $211 on Delta and Spirit Airlines, respectively.

  • 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, August is the cheapest month in which you can book a flight from Boise to Charleston (average of $217). Flying from Boise 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 Boise?

Book flights to Boise if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$443FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$467FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$551FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$340Average$436FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$388Average$608FlexibilityNo cancel feeOn-time75%

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