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Sioux City

$324+ Cheap flights from Raleigh to Sioux City (RDU - SUX)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SUX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Raleigh to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Sioux City (SUX). 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 September 17, 2025.

Round-trip from

$324
(United Airlines)
From Raleigh-Durham to Sioux City Sioux Gateway
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Find flight deals from Raleigh to Sioux City

Cheapest flights from Raleigh to Sioux City
Explore the most affordable flight options available from Raleigh to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/294:49 pmRDU - SUX
1 stop7h 10mUnited Airlines
Wed 11/57:45 amSUX - RDU
1 stop5h 23mUnited Airlines
Deal found 9/15$324
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/264:49 pmRDU - SUX
1 stop7h 10mUnited Airlines
Mon 12/16:46 pmSUX - RDU
1 stop26h 59mUnited Airlines
Deal found 9/16$701
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 9/191:30 pmRDU - SUX
2 stops10h 27mUnited Airlines
Sun 9/217:49 amSUX - RDU
1 stop5h 23mUnited Airlines
Deal found 9/17$704
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/208:29 amRDU - SUX
1 stop15h 46mUnited Airlines
Sat 12/276:54 pmSUX - RDU
2 stops13h 45mUnited Airlines
Deal found 9/16$853
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 9/187:50 pmRDU - SUX
2 stops28h 07mUnited Airlines
Sun 9/217:49 amSUX - RDU
1 stop5h 23mUnited Airlines
Deal found 9/17$873

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Sioux City 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 September 17, 2025.
Use the filters below to find and compare flights from Raleigh to Sioux City that are best for you.

Fly from

Raleigh

Fly to

Sioux City

Route

Depart

Return

Price

RaleighSioux City

RDU - SUX

RDUSUX

Raleigh-Durham

Wed 10/29

4:49 pm-10:59 pm

1 stop7h 10m

Sioux City Sioux Gateway

Wed 11/5

7:45 am-2:08 pm

1 stop5h 23m

$324

RaleighSioux City

RDU - SUX

RDUSUX

Raleigh-Durham

Wed 11/26

4:49 pm-10:59 pm

1 stop7h 10m

Sioux City Sioux Gateway

Mon 12/1

6:46 pm-10:45 pm

1 stop26h 59m

$701

RaleighSioux City

RDU - SUX

RDUSUX

Raleigh-Durham

Wed 11/26

4:49 pm-10:59 pm

1 stop7h 10m

Sioux City Sioux Gateway

Sun 11/30

6:46 pm-10:45 pm

1 stop26h 59m

$901

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Raleigh to Sioux City

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

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

Currently, October is the cheapest month in which you can book a flight from Raleigh to Sioux City (average of $318). Flying from Raleigh to Sioux City in March is currently the most expensive (average of $446). 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 Sioux City

Get insights into the airlines that provide service to Sioux City. 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 Sioux City. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown United Airlines from Raleigh to Sioux City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Sioux City. 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 Raleigh to Sioux City?

    United Airlines can get you from Raleigh to Sioux City in just under 7h 10m. Your travel time can differ by up to . Airlines will cover a distance of 1042 mi.

  • What is the cheapest airline to fly from Raleigh to Sioux City round-trip?

    United Airlines, at $243, was found to be the cheapest airline from Raleigh to Sioux City..

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Raleigh to Sioux City (average of $318). Flying from Raleigh to Sioux City in March is currently the most expensive (average of $446). 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.

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Top airline flying from Raleigh to Sioux City

Discover the top airline that operate flights from Raleigh to Sioux City. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$471FlexibilityNo cancel feeOn-time69%

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