$465 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Sioux City (SUX)

View $465 flight on Sat, Sep 13, 2025Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Sioux City, IA (SUX-Sioux Gateway)

Cheap Flights from Newark Liberty Intl. Airport to Sioux City (EWR-SUX)

Prices were available within the past 7 days and start at $465 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 12 - Mon, Nov 17
EWR
New York
SUX
Sioux City
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from New York to Sioux City, returning Mon, Nov 17, priced at $268 found 5 days ago
United
Wed, Nov 12 - Mon, Nov 17
EWR
New York
SUX
Sioux City
$291 Roundtrip, found 5 days ago
$291
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from New York to Sioux City, returning Mon, Nov 17, priced at $291 found 5 days ago
United
Tue, Sep 23 - Wed, Oct 1
EWR
New York
SUX
Sioux City
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 23 from New York to Sioux City, returning Wed, Oct 1, priced at $339 found 1 day ago
United
Wed, Nov 12 - Mon, Nov 17
EWR
New York
SUX
Sioux City
$348 Roundtrip, found 5 days ago
$348
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from New York to Sioux City, returning Mon, Nov 17, priced at $348 found 5 days ago
United
Wed, Oct 15 - Sat, Oct 25
EWR
New York
SUX
Sioux City
$364 Roundtrip, found 5 days ago
$364
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 15 from New York to Sioux City, returning Sat, Oct 25, priced at $364 found 5 days ago
United
Wed, Nov 12 - Mon, Nov 17
EWR
New York
SUX
Sioux City
$371 Roundtrip, found 5 days ago
$371
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from New York to Sioux City, returning Mon, Nov 17, priced at $371 found 5 days ago
United
Tue, Oct 14 - Sat, Oct 25
EWR
New York
SUX
Sioux City
$382 Roundtrip, found 5 days ago
$382
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 14 from New York to Sioux City, returning Sat, Oct 25, priced at $382 found 5 days ago
United
Tue, Sep 23 - Sat, Sep 27
EWR
New York
SUX
Sioux City
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 23 from New York to Sioux City, returning Sat, Sep 27, priced at $404 found 1 day ago
United
Wed, Oct 15 - Tue, Oct 28
EWR
New York
SUX
Sioux City
$405 Roundtrip, found 5 days ago
$405
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 15 from New York to Sioux City, returning Tue, Oct 28, priced at $405 found 5 days ago
United
Wed, Nov 12 - Mon, Nov 17
EWR
New York
SUX
Sioux City
$409 Roundtrip, found 5 days ago
$409
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from New York to Sioux City, returning Mon, Nov 17, priced at $409 found 5 days ago

Alternative airports near Sioux City

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

Select flight to Sioux Gateway SUX. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $462
SUX
Sioux Gateway
CheapestClosest
Average driving time to city center9 min
Flights from $462
Flights from Newark Liberty Intl. Airport (EWR) to Sioux City (SUX)
Origin airport
Newark Liberty Intl. Airport
Destination airport
Sioux Gateway
Airlines serving
United
Roundtrip price
$267
Distance
1150 mi

Newark Liberty Intl. Airport to Sioux City Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Sioux City

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 Newark Liberty Intl. Airport to Sioux City are during the month of November. You can find some of the cheapest flights from Newark Liberty Intl. Airport to Sioux City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newark Liberty Intl. Airport to Sioux City

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Sioux City: 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 Newark Liberty Intl. Airport to Sioux City

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 Newark Liberty Intl. Airport to Sioux City in 2025. You can also book with separate airlines for your outbound and return journeys, from $465 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 Newark Liberty Intl. Airport to Sioux City 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 Newark Liberty Intl. Airport to Sioux City 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 Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX) cost?
Grab a cheap one-way flight from $465 or cheap return flight from $268 from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX)?
November is the most affordable month to fly from EWR to SUX. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX)?
To find the cheapest airline flying from EWR to SUX, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX)?
There are no daily direct flights departing from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from EWR to SUX?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX)?
Book a flight from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be 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 Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX) last-minute?
Last-minute bookings from EWR to SUX are generally more expensive. To lock in the cheapest rates, start looking for flights well in advance. That said, if you're flexible with your travel plans, you may find a cheap fare just before your departure.
Is it cheaper to book an EWR to SUX flight and hotel package?
You'll typically save money by booking an EWR to SUX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal accommodations and flights, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Sioux Gateway Airport (SUX)?
In most instances, you can cancel or modify your EWR to SUX flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.