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..

What is the cheapest day to fly from Raleigh to Sioux City?

Travelers seeking maximum savings on their Raleigh to Sioux City flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sioux City ranges from 0.7 - 4.2 inches per month. June is typically the wettest month, when rainfall can reach 4.2 in. January is typically the driest time to visit Sioux City when rainfall is around 0.7 in.

If weather is an important factor for your trip to Sioux City, 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 January, when temperatures are typically at their lowest (around 21.2 F).

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

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Sioux City. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest time of day to fly from RDU to SUX?

When flying from Raleigh to Sioux City, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the morning.

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.

$334+ Cheap Flights from Raleigh to Sioux City

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Cheap flight deals from Raleigh to Sioux City

Round-trip from	$334 (United Airlines)

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 August 17, 2025.

Fri 10/243:09 pmRDU - SUX

2 stops8h 51mUnited Airlines

Mon 10/277:45 amSUX - RDU

1 stop5h 23mUnited Airlines

Deal found 8/15

$334

Sat 8/301:30 pmRDU - SUX

2 stops10h 27mUnited Airlines

Wed 9/37:49 amSUX - RDU

1 stop5h 23mUnited Airlines

Deal found 8/15

$429

Sat 8/235:35 pmRDU - SUX

1 stop6h 22mUnited Airlines

Tue 8/267:49 amSUX - RDU

1 stop5h 23mUnited Airlines

Deal found 8/14

$434

Best flights from Raleigh to Sioux City
Discover carefully curated flight deals from Raleigh to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Fri 10/243:09 pmRDU - SUX

2 stops8h 51mUnited Airlines

Mon 10/277:45 amSUX - RDU

1 stop5h 23mUnited Airlines

Deal found 8/15

$334

Sat 8/301:30 pmRDU - SUX

2 stops10h 27mUnited Airlines

Wed 9/37:49 amSUX - RDU

1 stop5h 23mUnited Airlines

Deal found 8/15

$429

Wed 8/275:35 pmRDU - SUX

1 stop6h 22mUnited Airlines

Sat 8/306:48 pmSUX - RDU

2 stops19h 59mUnited Airlines

Deal found 8/15

$547

Last-minute flights from Raleigh to Sioux City
Discover last-minute flight deals from Raleigh to Sioux City. Data last updated August 17, 2025 and is based on user searches.

Sat 8/235:35 pmRDU - SUX

1 stop6h 22mUnited Airlines

Tue 8/267:49 amSUX - RDU

1 stop5h 23mUnited Airlines

Deal found 8/14

$434

Wed 8/275:35 pmRDU - SUX

1 stop6h 22mUnited Airlines

Sat 8/306:48 pmSUX - RDU

2 stops19h 59mUnited Airlines

Deal found 8/15

$547

Sat 8/301:30 pmRDU - SUX

2 stops10h 27mUnited Airlines

Wed 9/37:49 amSUX - RDU

1 stop5h 23mUnited Airlines

Deal found 8/15

$429

Fly from

Fly to

Route

Depart

Return

Price

RaleighSioux City

RDU - SUX

RDUSUX

Raleigh-Durham

Fri 10/24

3:09 pm-11:00 pm

2 stops8h 51m

Sioux City Sioux Gateway

Mon 10/27

7:45 am-2:08 pm

1 stop5h 23m

$334

RaleighSioux City

RDU - SUX

RDUSUX

Raleigh-Durham

Sat 8/30

1:30 pm-10:57 pm

2 stops10h 27m

Sioux City Sioux Gateway

Wed 9/3

7:49 am-2:12 pm

1 stop5h 23m

$429

RaleighSioux City

RDU - SUX

RDUSUX

Raleigh-Durham

Wed 8/27

5:35 pm-10:57 pm

1 stop6h 22m

Sioux City Sioux Gateway

Sat 8/30

6:48 pm-3:47 pm

2 stops19h 59m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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

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

8,919 reviews

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

8,919 reviews

United Airlines

7.4

Good

8,919 reviews

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

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$243	Average$471	FlexibilityNo cancel fee	On-time69%

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$334+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Raleigh to Sioux City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Raleigh to Sioux City

Round-trip from

Find flight deals from Raleigh to Sioux City

Cheapest flights from Raleigh to Sioux CityExplore 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 August 17, 2025.

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 August 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Raleigh to Sioux City that are best for you.

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.

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?

Reviews of airlines servicing Sioux City

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.

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?

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

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

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

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

Traveling to a place near Sioux City?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Raleigh to Sioux City

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Top airline flying from Raleigh to Sioux City

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Travel Smart

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 August 17, 2025.