What is the cheapest airline to fly from Newark Airport to Sioux City round-trip?

Flying on United Airlines is currently your cheapest option to Sioux City, with prices starting at $385.

What is the cheapest day to fly from Newark Airport to Sioux City?

Travelers seeking maximum savings on their Newark Airport to Sioux City flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings 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 time of day to fly from EWR to SUX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to Sioux City as you normally would.

What airport do you fly into for flights to Sioux City from Newark?

Sioux City Sioux Gateway (SUX), located 7.0 mi from the city center, is the airport you fly into when you book flights from Newark to Sioux City. 0 airlines have flights to Sioux Gateway from Newark on a regular basis. Booking flights from Newark to Sioux City Sioux Gateway should not be difficult; the airport handles an average of 0 inbound flights from Newark per day.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Newark 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.

$338+ Flights from Newark Airport to Sioux City

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Cheap flight deals from Newark to Sioux City

Round-trip from	$385 (United Airlines)
One-way from	$338 (United Airlines)

From Newark to Sioux City Sioux Gateway

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One-way flight from Newark to Sioux City Sioux Gateway

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Find flight deals from Newark to Sioux City

Cheapest flights from Newark to Sioux City
Explore the most affordable flight options available from Newark to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Wed 9/1010:00 amEWR - SUX

1 stop9h 13mUnited Airlines

Sat 9/137:49 amSUX - EWR

1 stop6h 14mUnited Airlines

Deal found 7/27

$385

Best flights from Newark to Sioux City
Discover carefully curated flight deals from Newark to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Wed 9/1010:00 amEWR - SUX

1 stop9h 13mUnited Airlines

Sat 9/137:49 amSUX - EWR

1 stop6h 14mUnited Airlines

Deal found 7/27

$385

Last-minute flights from Newark to Sioux City
Discover last-minute flight deals from Newark to Sioux City. Data last updated July 29, 2025 and is based on user searches.

Thu 8/214:29 pmEWR - SUX

1 stop7h 28mUnited Airlines

Sat 8/237:49 amSUX - EWR

1 stop7h 41mUnited Airlines

Deal found 7/29

$447

One-way flights from Newark to Sioux City
Search for one-way flight options from Newark to Sioux City. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Mon 8/189:59 pmEWR - SUX

1 stop25h 58mUnited Airlines

Deal found 7/27

$338

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Wed 9/10

10:00 am-6:13 pm

1 stop9h 13m

Sioux City Sioux Gateway

Sat 9/13

7:49 am-3:03 pm

1 stop6h 14m

$385

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Mon 8/18

9:59 pm-10:57 pm

1 stop25h 58m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Newark to Sioux City

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

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

Currently, October is the cheapest month in which you can book a flight from Newark Airport to Sioux City (average of $318). Flying from Newark Airport 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 a feel of what it's like to fly with United Airlines from Newark Airport to Sioux City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,899 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

8,899 reviews

United Airlines

7.4

Good

8,899 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 airport do you fly into for flights to Sioux City from Newark?
Sioux City Sioux Gateway (SUX), located 7.0 mi from the city center, is the airport you fly into when you book flights from Newark to Sioux City. 0 airlines have flights to Sioux Gateway from Newark on a regular basis. Booking flights from Newark to Sioux City Sioux Gateway should not be difficult; the airport handles an average of 0 inbound flights from Newark per day.
What is the cheapest airline to fly from Newark Airport to Sioux City round-trip?
Flying on United Airlines is currently your cheapest option to Sioux City, with prices starting at $385.
Can I find deals for flights from Newark to Sioux City that include hotel bookings?
Yes. In addition to deals on Newark to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Newark to Sioux City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Sioux City.
Can I find deals for business class flights from Newark to Sioux City?
Yes. Cheapflights offers flight deals from Newark 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 Newark Airport to Sioux City?
Currently, October is the cheapest month in which you can book a flight from Newark Airport to Sioux City (average of $318). Flying from Newark Airport 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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$338+ Cheap flights from Newark (EWR) to Sioux City (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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Newark 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 Newark to Sioux City

Round-trip from

One-way from

Find flight deals from Newark to Sioux City

Cheapest flights from Newark to Sioux CityExplore the most affordable flight options available from Newark to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Newark to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Newark to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Newark with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Sioux City

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

Reviews of airlines servicing Sioux City

Get a feel of what it's like to fly with United Airlines from Newark Airport to Sioux City by reading reviews from past customers. Users have also rated airlines 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 Newark 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 airport do you fly into for flights to Sioux City from Newark?

What is the cheapest airline to fly from Newark Airport to Sioux City round-trip?

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

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

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

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

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Travel Smart

Cheapest flights from Newark to Sioux City
Explore the most affordable flight options available from Newark to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.