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Cheap flights from Sioux City to Greenville (SUX - GSP)

SUX — GSP
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Best time to book a flight from Sioux City to Greenville

Have a flexible travel schedule? Discover the best time to fly to Greenville 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 Greenville

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

Currently, January is the cheapest month in which you can book a flight from Sioux City to Greenville (average of $329). Flying from Sioux City to Greenville in March is currently the most expensive (average of $386). 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 Greenville

Get insights into the airlines that provide service to Greenville. 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 Greenville. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Sioux City to Greenville, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

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 Greenville. 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 Greenville that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sioux City to Greenville (average of $329). Flying from Sioux City to Greenville in March is currently the most expensive (average of $386). 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 Greenville?

Book flights to Greenville if you plan to visit one of these locations
Simpsonville
Duncan
Seneca
Anderson

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Top airline flying from Sioux City to Greenville

Discover the top airline that operate flights from Sioux City to Greenville. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$581Average$606FlexibilityNo cancel feeOn-time69%

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