HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$431+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SUX
Apr 2 — Apr 91
Thu 4/2
Thu 4/9
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

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 March 3, 2026.

This United Airlines deal was found by Cheapflights users on 3/1. 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 3/612:44 pm
EWR
-
SUX
1 stop5h 57m
United Airlines
Sun 3/812:53 pm
SUX
-
EWR
1 stop5h 52m
United Airlines
Deal found 3/1$431
This United Airlines deal was found by Cheapflights users on 2/26. 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 3/135:00 pm
EWR
-
SUX
1 stop7h 41m
United Airlines
Mon 3/1612:53 pm
SUX
-
EWR
1 stop5h 01m
United Airlines
Deal found 2/26$444
This United Airlines deal was found by Cheapflights users on 2/26. 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 3/135:00 pm
EWR
-
SUX
1 stop7h 41m
United Airlines
Tue 3/1712:53 pm
SUX
-
EWR
1 stop5h 02m
United Airlines
Deal found 2/26$460
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Tue 10/271:00 pm
EWR
-
SUX
1 stop5h 54m
United Airlines
Sat 10/316:46 pm
SUX
-
EWR
1 stop17h 03m
United Airlines
Deal found 2/26$487
This United Airlines deal was found by Cheapflights users on 3/2. 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 6/58:59 pm
EWR
-
SUX
1 stop14h 58m
United Airlines
Mon 6/811:32 am
SUX
-
EWR
1 stop17h 08m
United Airlines
Deal found 3/2$525
This United Airlines deal was found by Cheapflights users on 2/28. 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 5/86:00 am
EWR
-
SUX
1 stop13h 06m
United Airlines
Sun 5/106:42 pm
SUX
-
EWR
1 stop10h 09m
United Airlines
Deal found 2/28$550

Find 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 March 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$444
(United Airlines)

One-way from

$411
(United Airlines)
Provider with most accurate pricing for Newark-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Sioux City Sioux Gateway flights.
Search Deals
From Newark to Sioux City Sioux Gateway
Search Deals
One-way flight from Newark to Sioux City Sioux Gateway
Search Deals

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 March 3, 2026.
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

Fri 3/13

5:00 pm-11:41 pm

1 stop7h 41m

Sioux City Sioux Gateway

Tue 3/17

12:53 pm-6:55 pm

1 stop5h 02m

$460

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Tue 3/17

8:59 pm-10:45 am

1 stop14h 46m

Sioux City Sioux Gateway

Sat 3/21

12:53 pm-9:25 pm

1 stop7h 32m

$495

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Fri 6/5

8:59 pm-10:57 am

1 stop14h 58m

Sioux City Sioux Gateway

Mon 6/8

11:32 am-5:40 am

1 stop17h 08m

$525

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Fri 5/8

6:00 am-6:06 pm

1 stop13h 06m

Sioux City Sioux Gateway

Sun 5/10

6:42 pm-5:51 am

1 stop10h 09m

$550

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Thu 5/28

3:41 pm-11:44 pm

1 stop9h 03m

Sioux City Sioux Gateway

Sat 5/30

11:32 am-9:29 pm

1 stop8h 57m

$632

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Thu 3/12

11:32 am-5:41 pm

1 stop7h 09m

Sioux City Sioux Gateway

Sun 3/15

12:53 pm-9:07 am

1 stop19h 14m

$704

NewarkSioux City

EWR - SUX

EWRSUX

Newark

Sun 3/15

5:00 pm-11:41 pm

1 stop7h 41m

Sioux City Sioux Gateway

Thu 3/19

6:10 am-5:23 pm

1 stop10h 13m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Newark Airport-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Sioux City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from Newark Airport to Sioux City (average of $163). Flying from Newark Airport to Sioux City in March is currently the most expensive (average of $304). 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 7h 41m. 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, September is the cheapest month in which you can book a flight from Newark Airport to Sioux City (average of $163). Flying from Newark Airport to Sioux City in March is currently the most expensive (average of $304). 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.

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.