HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$419+ Cheap flights from Newark (EWR) to Sioux City (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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SUX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Newark 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 Newark to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) 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 September 11, 2025.

Round-trip from

$419
(United Airlines)
From Newark to Sioux City Sioux Gateway
Search Deals

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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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 10/36:33 pmEWR - SUX
1 stop5h 27mUnited Airlines
Sun 10/57:50 amSUX - EWR
1 stop5h 08mUnited Airlines
Deal found 9/9$419
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/176:29 amEWR - SUX
2 stops17h 31mUnited Airlines
Sun 10/197:50 amSUX - EWR
2 stops26h 08mUnited Airlines
Deal found 9/10$485
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/16:33 pmEWR - SUX
1 stop5h 27mUnited Airlines
Wed 10/86:51 pmSUX - EWR
1 stop9h 49mUnited Airlines
Deal found 9/10$560
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/246:33 pmEWR - SUX
1 stop5h 27mUnited Airlines
Mon 10/277:45 amSUX - EWR
1 stop14h 24mUnited Airlines
Deal found 9/9$568
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/257:05 pmEWR - SUX
2 stops28h 55mUnited Airlines
Mon 9/296:51 pmSUX - EWR
1 stop9h 49mUnited Airlines
Deal found 9/10$578

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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 September 11, 2025.
Use the filters below to find and compare flights from Newark Airport to Sioux City that are best for you.

Fly from

Newark

Fly to

Sioux City

Route

Depart

Return

Price

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Fri 10/3

6:33 pm-11:00 pm

1 stop5h 27m

Sioux City Sioux Gateway

Sun 10/5

7:50 am-1:58 pm

1 stop5h 08m

$419

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Wed 3/4

10:30 am-5:32 pm

1 stop8h 02m

Sioux City Sioux Gateway

Sat 3/7

12:45 pm-12:41 am

1 stop10h 56m

$448

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Fri 10/17

6:29 am-11:00 pm

2 stops17h 31m

Sioux City Sioux Gateway

Sun 10/19

7:50 am-10:58 am

2 stops26h 08m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

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?

    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.

  • How long is the flight from Newark Airport to Sioux City?

    United Airlines can get you from Newark Airport to Sioux City in just under 5h 27m. Your travel time can differ by up to . Newark Airport and Sioux City are separated by a distance of 1150 mi.

  • 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.

See more FAQs

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 Newark to Sioux City

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Omaha flights
John F Kennedy Intl to Omaha flights
Newark to Omaha flights
John F Kennedy Intl to Des Moines flights
John F Kennedy Intl to Cedar Rapids flights
LaGuardia to Des Moines flights
Newark to Cedar Rapids flights
LaGuardia to Cedar Rapids flights
Newark to Moline flights
John F Kennedy Intl to Moline flights
LaGuardia to Moline flights
Newark to Des Moines flights
Newark to La Crosse flights
John F Kennedy Intl to La Crosse flights
LaGuardia to La Crosse flights
Stewart to Des Moines flights
Stewart to Cedar Rapids flights
LaGuardia to Sioux City flights
John F Kennedy Intl to Waterloo flights
LaGuardia to Dubuque flights
Stewart to Moline flights
Newark to Dubuque flights
LaGuardia to Waterloo flights
Stewart to Omaha flights
Newark to Waterloo flights
John F Kennedy Intl to Dubuque flights
John F Kennedy Intl to Sioux City flights

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.