HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$261+ Cheap flights from Raleigh to Sioux City (RDU - SUX)

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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SUX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to Sioux City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$324
(United Airlines)

One-way from

$261
(United Airlines)
From Raleigh-Durham to Sioux City Sioux Gateway
Search Deals
One-way flight from Raleigh-Durham to Sioux City Sioux Gateway
Search Deals

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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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 10/245:27 pmRDU - SUX
1 stop6h 33mUnited Airlines
Mon 10/277:45 amSUX - RDU
1 stop5h 23mUnited Airlines
Deal found 7/1$324

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 July 3, 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

Fri 10/24

5:27 pm-11:00 pm

1 stop6h 33m

Sioux City Sioux Gateway

Mon 10/27

7:45 am-2:08 pm

1 stop5h 23m

$324

RaleighSioux City

RDU - SUX

RDUSUX

Raleigh-Durham

Sun 7/27

5:16 pm-10:40 pm

1 stop6h 24m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 July 3, 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
8,861 reviews

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

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
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

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 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.

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

    United Airlines, at $324, 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.

See more FAQs

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Norfolk

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Raleigh to Sioux City

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Des Moines flights
Asheville to Omaha flights
Charlotte to Omaha flights
Raleigh to Des Moines flights
Raleigh to Moline flights
Charlotte to Cedar Rapids flights
Raleigh to Cedar Rapids flights
Raleigh to Omaha flights
Charlotte to Moline flights
Greensboro to Cedar Rapids flights
Norfolk to Omaha flights
Greensboro to Omaha flights
Greensboro to Moline flights
Norfolk to Des Moines flights
Knoxville to Omaha flights
Myrtle Beach to Omaha flights
Knoxville to Des Moines flights
Raleigh to Waterloo flights
Greensboro to Des Moines flights
Norfolk to Moline flights
Wilmington to Cedar Rapids flights
Norfolk to Cedar Rapids flights
Wilmington to Omaha flights
Asheville to Des Moines flights
Myrtle Beach to Des Moines flights
Charlotte to La Crosse flights
Asheville to Moline flights
Jacksonville to Des Moines flights
Myrtle Beach to Moline flights
Wilmington to Des Moines flights
Knoxville to Moline flights
Fayetteville to Omaha flights
Wilmington to Moline flights
Fayetteville to Des Moines flights
Charlotte to Waterloo flights
Myrtle Beach to Cedar Rapids flights
New Bern to Moline flights
Asheville to Cedar Rapids flights
Charlotte to Dubuque flights
Greenville to Des Moines flights
Charlotte to Sioux City flights
Knoxville to La Crosse flights
Raleigh to La Crosse flights
Norfolk to La Crosse flights
Raleigh to Dubuque flights
New Bern to Omaha flights
Fayetteville to Waterloo flights
Norfolk to Waterloo flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$453FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.