$265 Cheap Flights from Sioux City (SUX) to Raleigh (RDU)

View $265 flight on Thu, Aug 14, 2025Opens in a new window

Popular airlines from Sioux City, IA (SUX-Sioux Gateway) to Raleigh-Durham International Airport (RDU)

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Cheap Flights from Sioux City to Raleigh (SUX-RDU)

Prices were available within the past 7 days and start at $265 for one-way flights and $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 22 - Tue, Nov 4
SUX
Sioux City
RDU
Raleigh
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 22 from Sioux City to Raleigh, returning Tue, Nov 4, priced at $324 found 4 days ago
United
Mon, Oct 27 - Wed, Nov 12
SUX
Sioux City
RDU
Raleigh
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 27 from Sioux City to Raleigh, returning Wed, Nov 12, priced at $329 found 4 days ago
United
Wed, Oct 22 - Sat, Nov 8
SUX
Sioux City
RDU
Raleigh
$334 Roundtrip, found 4 days ago
$334
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 22 from Sioux City to Raleigh, returning Sat, Nov 8, priced at $334 found 4 days ago
United
Sat, Oct 4 - Tue, Oct 14
SUX
Sioux City
RDU
Raleigh
$364 Roundtrip, found 4 days ago
$364
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 4 from Sioux City to Raleigh, returning Tue, Oct 14, priced at $364 found 4 days ago
United
Sat, Aug 2 - Wed, Aug 20
SUX
Sioux City
RDU
Raleigh
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 2 from Sioux City to Raleigh, returning Wed, Aug 20, priced at $374 found 4 days ago
United
Sat, Jul 26 - Mon, Aug 11
SUX
Sioux City
RDU
Raleigh
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jul 26 from Sioux City to Raleigh, returning Mon, Aug 11, priced at $379 found 4 days ago
United
Wed, Sep 17 - Sun, Sep 21
SUX
Sioux City
RDU
Raleigh
$381 Roundtrip, found 5 days ago
$381
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 17 from Sioux City to Raleigh, returning Sun, Sep 21, priced at $381 found 5 days ago
United
Wed, Sep 17 - Sun, Sep 21
SUX
Sioux City
RDU
Raleigh
$384 Roundtrip, found 5 days ago
$384
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 17 from Sioux City to Raleigh, returning Sun, Sep 21, priced at $384 found 5 days ago
United
Tue, Oct 28 - Tue, Nov 11
SUX
Sioux City
RDU
Raleigh
$389 Roundtrip, found 4 days ago
$389
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 28 from Sioux City to Raleigh, returning Tue, Nov 11, priced at $389 found 4 days ago
United
Thu, Jul 24 - Sat, Jul 26
SUX
Sioux City
RDU
Raleigh
$393 Roundtrip, found 15 hours ago
$393
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Jul 24 from Sioux City to Raleigh, returning Sat, Jul 26, priced at $393 found 15 hours ago

Alternative airports near Raleigh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Raleigh - Durham Intl. RDU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $488
RDU
Raleigh - Durham Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $488
Flights from Sioux City (SUX) to Raleigh (RDU)
Origin airport
Sioux Gateway
Destination airport
Raleigh - Durham Intl.
Airlines serving
United
Roundtrip price
$323
Distance
1042 mi

Sioux City to Raleigh Flights

The cheapest times to fly from Sioux City to Raleigh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sioux City to Raleigh are during the month of October. You can find some of the cheapest flights from Sioux City to Raleigh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sioux City to Raleigh

Sunday is one of the best days to book for cheap flights from Sioux City to Raleigh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sioux City to Raleigh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sioux City to Raleigh in 2025. You can also book with separate airlines for your outbound and return journeys, from $265 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sioux City to Raleigh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sioux City to Raleigh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sioux Gateway Airport (SUX) to Raleigh - Durham Intl. Airport (RDU) cost?
Discover the latest flight deals from SUX to RDU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SUX to RDU?
The cheapest flights from SUX to RDU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SUX to RDU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SUX to RDU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sioux Gateway Airport (SUX) to Raleigh - Durham Intl. Airport (RDU)?
There are no daily nonstop flights departing from Sioux Gateway Airport (SUX) to Raleigh - Durham Intl. Airport (RDU). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from SUX to RDU?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Gateway Airport (SUX) to Raleigh - Durham Intl. Airport (RDU)?
To avoid potential delays on the Sioux Gateway Airport (SUX) to Raleigh - Durham Intl. Airport (RDU) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sioux Gateway Airport (SUX) to Raleigh - Durham Intl. Airport (RDU) last-minute?
Booking your ticket from SUX to RDU shortly before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SUX to RDU flight and hotel package?
You'll generally save money by securing a SUX to RDU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Sioux Gateway Airport (SUX) to Raleigh - Durham Intl. Airport (RDU)?
It's generally possible to cancel or reschedule your SUX to RDU flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.