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

Our cheapest airline available from Charleston to Boise is Alaska Airlines. Our recent data shows that you can find tickets from as low as $334 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $335 and $374 round-trip. Alaska Airlines is 34% 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 $156 on American Airlines. Other airlines that offer cheap prices include Delta from $161 and Spirit Airlines from $168 one-way.

What is the cheapest day to fly from Charleston to Boise?

Travelers seeking maximum savings on their Charleston to Boise flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular airlines that fly from Charleston to Boise?

The most popular airlines flying from Charleston to Boise are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Charleston to Boise?

Flights from Charleston to Boise are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boise.

What is the cheapest month to fly from Charleston to Boise?

Flights from Charleston to Boise lean towards being more expensive in December. Prices are generally better when you fly from Charleston to Boise in September, with the cheapest ticket starting at $280.

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.

$156+ Flights from Charleston to Boise

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Cheap flight deals from Charleston to Boise

Round-trip from	$334 (Alaska Airlines)
One-way from	$156 (American Airlines)
Popular in	December
Cheapest in	September
Average price	$459

From Charleston to Boise Air Term. Gowen Fld

Search Deals

One-way flight from Charleston to Boise Air Term. Gowen Fld

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Highest demand for flights based on searches. 14% potential increase in price ($87 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($17 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 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 July 29, 2025.

Fri 9/126:17 pmCHS - BOI

1 stop18h 20mAlaska Airlines

Mon 9/156:35 amBOI - CHS

1 stop8h 42mAlaska Airlines

Deal found 7/29

$310

Fri 9/124:44 pmCHS - BOI

1 stop7h 39mDelta

Mon 9/155:25 amBOI - CHS

1 stop7h 00mDelta

Deal found 7/27

$335

Thu 10/92:23 pmCHS - BOI

1 stop10h 01mAmerican Airlines

Thu 10/161:26 pmBOI - CHS

1 stop8h 49mAmerican Airlines

Deal found 7/29

$374

Thu 10/910:30 amCHS - BOI

3 stops35h 33mSpirit Airlines

Thu 10/162:16 pmBOI - CHS

2 stops15h 59mSpirit Airlines

Deal found 7/29

$413

Fri 10/102:40 pmCHS - BOI

2 stops11h 40mSouthwest

Fri 10/178:15 pmBOI - CHS

2 stops11h 45mSouthwest

Deal found 7/28

$437

Tue 8/124:27 pmCHS - BOI

1 stop7h 07mUnited Airlines

Sat 8/1610:42 amBOI - CHS

2 stops10h 03mUnited Airlines

Deal found 7/28

$462

Thu 8/149:40 pmCHS - BOI

2 stops21h 31mMultiple Airlines

Mon 8/186:06 pmBOI - CHS

3 stops18h 51mMultiple Airlines

Deal found 7/28

$543

Best flights from Charleston to Boise
Discover carefully curated flight deals from Charleston to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Fri 10/107:23 pmCHS - BOI

1 stop17h 46mAlaska Airlines

Fri 10/179:58 amBOI - CHS

1 stop30h 19mAlaska Airlines

Deal found 7/28

$334

Fri 9/124:44 pmCHS - BOI

1 stop7h 39mDelta

Mon 9/155:25 amBOI - CHS

1 stop7h 00mDelta

Deal found 7/27

$335

Thu 10/92:23 pmCHS - BOI

1 stop10h 01mAmerican Airlines

Thu 10/161:26 pmBOI - CHS

1 stop8h 49mAmerican Airlines

Deal found 7/29

$374

Thu 10/910:30 amCHS - BOI

3 stops35h 33mSpirit Airlines

Thu 10/162:16 pmBOI - CHS

2 stops15h 59mSpirit Airlines

Deal found 7/29

$413

Fri 10/102:40 pmCHS - BOI

2 stops11h 40mSouthwest

Fri 10/178:15 pmBOI - CHS

2 stops11h 45mSouthwest

Deal found 7/28

$437

Tue 8/124:27 pmCHS - BOI

1 stop7h 07mUnited Airlines

Sat 8/1610:42 amBOI - CHS

2 stops10h 03mUnited Airlines

Deal found 7/28

$462

Thu 8/149:40 pmCHS - BOI

2 stops21h 31mMultiple Airlines

Mon 8/186:06 pmBOI - CHS

3 stops18h 51mMultiple Airlines

Deal found 7/28

$543

Last-minute flights from Charleston to Boise
Discover last-minute flight deals from Charleston to Boise. Data last updated July 29, 2025 and is based on user searches.

Fri 8/85:14 pmCHS - BOI

1 stop7h 16mDelta

Sun 8/1011:40 pmBOI - CHS

1 stop7h 39mDelta

Deal found 7/28

$599

Fri 8/811:25 amCHS - BOI

2 stops9h 40mSouthwest

Sun 8/103:20 pmBOI - CHS

1 stop6h 45mSouthwest

Deal found 7/28

$604

Fri 8/87:00 amCHS - BOI

2 stops10h 55mUnited Airlines

Sun 8/107:15 pmBOI - CHS

3 stops12h 59mUnited Airlines

Deal found 7/28

$1,185

Tue 8/124:27 pmCHS - BOI

1 stop7h 07mUnited Airlines

Sat 8/1610:42 amBOI - CHS

2 stops10h 03mUnited Airlines

Deal found 7/28

$462

Thu 8/144:44 pmCHS - BOI

1 stop7h 45mDelta

Mon 8/1812:45 pmBOI - CHS

2 stops9h 06mDelta

Deal found 7/28

$389

Thu 8/142:40 pmCHS - BOI

1 stop9h 00mAmerican Airlines

Mon 8/181:36 pmBOI - CHS

1 stop6h 26mAmerican Airlines

Deal found 7/28

$408

Thu 8/149:40 pmCHS - BOI

2 stops21h 31mMultiple Airlines

Mon 8/186:06 pmBOI - CHS

3 stops18h 51mMultiple Airlines

Deal found 7/28

$543

Fri 8/296:17 pmCHS - BOI

1 stop18h 18mAlaska Airlines

Mon 9/18:46 pmBOI - CHS

1 stop18h 31mAlaska Airlines

Deal found 7/28

$443

One-way flights from Charleston to Boise
Search for one-way flight options from Charleston to Boise. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Fri 9/262:54 pmCHS - BOI

1 stop8h 54mAmerican Airlines

Deal found 7/29

$156

Thu 10/1611:26 amCHS - BOI

2 stops12h 36mDelta

Deal found 7/28

$161

Fri 9/269:10 amCHS - BOI

3 stops30h 11mSpirit Airlines

Deal found 7/29

$168

Mon 10/207:23 pmCHS - BOI

2 stops17h 29mAlaska Airlines

Deal found 7/28

$231

Mon 10/2010:17 amCHS - BOI

3 stops13h 07mUnited Airlines

Deal found 7/29

$794

Fly from

Fly to

Route

Depart

Return

Price

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Fri 10/10

7:23 pm-11:09 am

1 stop17h 46m

Boise Air Term. Gowen Fld

Fri 10/17

9:58 am-6:17 pm

1 stop30h 19m

$334

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Fri 9/12

4:44 pm-10:23 pm

1 stop7h 39m

Boise Air Term. Gowen Fld

Mon 9/15

5:25 am-2:25 pm

1 stop7h 00m

$335

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Thu 10/9

2:23 pm-10:24 pm

1 stop10h 01m

Boise Air Term. Gowen Fld

Thu 10/16

1:26 pm-12:15 am

1 stop8h 49m

$374

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Thu 10/9

10:30 am-8:03 pm

3 stops35h 33m

Boise Air Term. Gowen Fld

Thu 10/16

2:16 pm-8:15 am

2 stops15h 59m

$413

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Fri 10/10

2:40 pm-12:20 am

2 stops11h 40m

Boise Air Term. Gowen Fld

Fri 10/17

8:15 pm-10:00 am

2 stops11h 45m

$437

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Tue 8/12

4:27 pm-9:34 pm

1 stop7h 07m

Boise Air Term. Gowen Fld

Sat 8/16

10:42 am-10:45 pm

2 stops10h 03m

$462

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Thu 8/14

9:40 pm-5:11 pm

2 stops21h 31m

Boise Air Term. Gowen Fld

Mon 8/18

6:06 pm-2:57 pm

3 stops18h 51m

$543

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Fri 9/26

2:54 pm-9:48 pm

1 stop8h 54m

$156

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Thu 10/16

11:26 am-10:02 pm

2 stops12h 36m

$161

CharlestonBoise

CHS - BOI

CHSBOI

Charleston

Fri 9/26

9:10 am-1:21 pm

3 stops30h 11m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results

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, October is the cheapest month in which you can book a flight from Charleston to Boise (average of $314). Flying from Charleston to Boise in June is currently the most expensive (average of $398). 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 CHS to BOI?

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Charleston to Boise by exploring options for tickets in the afternoon.

Reviews of airlines servicing Boise

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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

10,000 reviews

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

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

4,238 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

7,979 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

8,896 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

What are the cheapest airlines flying from Charleston to Boise round-trip?
Our cheapest airline available from Charleston to Boise is Alaska Airlines. Our recent data shows that you can find tickets from as low as $334 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $335 and $374 round-trip. Alaska Airlines is 34% 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 $156 on American Airlines. Other airlines that offer cheap prices include Delta from $161 and Spirit Airlines from $168 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, October is the cheapest month in which you can book a flight from Charleston to Boise (average of $314). Flying from Charleston to Boise in June is currently the most expensive (average of $398). 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

Meridian

Nampa

Ontario

McCall

Caldwell

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Other flights to Boise

Top 5 airlines flying from Charleston to Boise

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$250	Average$442	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$283	Average$390	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$317	Average$512	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$416	Average$556	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$435	Average$602	FlexibilityNo cancel fee	On-time75%

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$156+ Cheap flights from Charleston to Boise (CHS - BOI)

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.

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Find flight deals from Charleston to Boise

Cheapest flights from Charleston to BoiseExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleston to Boise that are best for you.

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.

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?

What is the cheapest time of day to fly from CHS to BOI?

Find hourly flight availability from Charleston to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

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 July 29, 2025.

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.

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.

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

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

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

How can I find direct flights from Charleston to Boise?

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

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

Traveling to a place near Boise?

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Alternative routes for Charleston to Boise

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Top 5 airlines flying from Charleston to Boise

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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 July 29, 2025.