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$254+ Cheap flights from Sioux City to Charleston (SUX - CHS)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — CHS
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap flight deals from Sioux City to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) 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 julio 30, 2025.

Round-trip from

$254
(United Airlines)
From Sioux City Sioux Gateway to Charleston
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Find flight deals from Sioux City to Charleston

Cheapest flights from Sioux City to Charleston
Explore the most affordable flight options available from Sioux City to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 8/237:49 amSUX - CHS
1 stop5h 18mUnited Airlines
mié. 8/276:05 amCHS - SUX
2 stops13h 08mUnited Airlines
Deal found 7/29$254

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City 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 julio 30, 2025.
Use the filters below to find and compare flights from Sioux City to Charleston that are best for you.

Fly from

Sioux City

Fly to

Charleston

Route

Depart

Return

Price

Sioux CityCharleston

SUX - CHS

SUXCHS

Sioux City Sioux Gateway

sáb. 8/23

7:49 am-2:07 pm

1 stop5h 18m

Charleston

mié. 8/27

6:05 am-6:13 pm

2 stops13h 08m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Sioux City to Charleston

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

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

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

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 julio 30, 2025.
Get a feel of what it's like to fly with United Airlines from Sioux City 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.
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

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

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

  • How can I find direct flights from Sioux City to Charleston?

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

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

    Yes. Cheapflights offers flight deals from Sioux City 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 Sioux City to Charleston?

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

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Santee
Edisto Beach

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