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Sioux City

$317+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SUX
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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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 January 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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 32m
United Airlines
Sat 10/3112:45 pm
SUX
-
EWR
2 stops18h 35m
United Airlines
Deal found 1/25$433
This United Airlines deal was found by Cheapflights users on 1/26. 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 6/56:00 am
EWR
-
SUX
1 stop18h 42m
United Airlines
Mon 6/812:45 pm
SUX
-
EWR
1 stop19h 21m
United Airlines
Deal found 1/26$544
This United Airlines deal was found by Cheapflights users on 1/25. 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 7/3111:25 am
EWR
-
SUX
1 stop7h 07m
United Airlines
Tue 8/46:54 pm
SUX
-
EWR
1 stop9h 23m
United Airlines
Deal found 1/25$752

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(United Airlines)
Provider with most accurate pricing for Newark-Sioux City Sioux Gateway flight deals.
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Provider most trusted by Cheapflights users for Newark-Sioux City Sioux Gateway flights.
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From Newark to Sioux City Sioux Gateway
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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 January 26, 2026.
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 6/5

6:00 am-11:42 pm

1 stop18h 42m

Sioux City Sioux Gateway

Mon 6/8

12:45 pm-9:06 am

1 stop19h 21m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • 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 $169). Flying from Newark Airport to Sioux City in March is currently the most expensive (average of $305). 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 18h 42m. 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 $169). Flying from Newark Airport to Sioux City in March is currently the most expensive (average of $305). 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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