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$505+ Cheap flights from Sioux City (SUX) to Newark (EWR)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — EWR
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Sioux City to Newark

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Newark (EWR). 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 August 14, 2025.

Round-trip from

$505
(United Airlines)
From Sioux City Sioux Gateway to Newark
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Find flight deals from Sioux City to Newark

Cheapest flights from Sioux City to Newark
Explore the most affordable flight options available from Sioux City to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 9/106:48 pmSUX - EWR
1 stop9h 47mUnited Airlines
Wed 9/177:00 amEWR - SUX
1 stop16h 57mUnited Airlines
Deal found 8/13$505
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/296:48 pmSUX - EWR
1 stop9h 47mUnited Airlines
Tue 9/24:49 pmEWR - SUX
1 stop7h 08mUnited Airlines
Deal found 8/14$510
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/287:49 amSUX - EWR
1 stop10h 23mUnited Airlines
Mon 9/16:00 amEWR - SUX
1 stop17h 57mUnited Airlines
Deal found 8/13$685

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Newark 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 August 14, 2025.
Use the filters below to find and compare flights from Sioux City to Newark Airport that are best for you.

Fly from

Sioux City

Fly to

Newark

Route

Depart

Return

Price

Sioux CityNewark

SUX - EWR

SUXEWR

Sioux City Sioux Gateway

Wed 9/10

6:48 pm-5:35 am

1 stop9h 47m

Newark

Wed 9/17

7:00 am-10:57 pm

1 stop16h 57m

$505

Sioux CityNewark

SUX - EWR

SUXEWR

Sioux City Sioux Gateway

Fri 8/29

6:48 pm-5:35 am

1 stop9h 47m

Newark

Tue 9/2

4:49 pm-10:57 pm

1 stop7h 08m

$510

Sioux CityNewark

SUX - EWR

SUXEWR

Sioux City Sioux Gateway

Thu 8/28

7:49 am-7:12 pm

1 stop10h 23m

Newark

Mon 9/1

6:00 am-10:57 pm

1 stop17h 57m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Sioux City to Newark

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

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

Currently, January is the cheapest month in which you can book a flight from Sioux City to Newark Airport (average of $228). Flying from Sioux City to Newark Airport in June is currently the most expensive (average of $301). 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 Sioux City to Newark. 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 from for flights from Sioux City to Newark?

    Most people fly from Sioux City Sioux Gateway (SUX) if they book a flight from Sioux City to Newark. On average, Sioux Gateway has 0 outbound flights to Newark per day from 0 airlines. Sioux City Sioux Gateway is conveniently located just 7.0 mi from Sioux City’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux City to Newark 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 Sioux City to Newark Airport?

    Currently, January is the cheapest month in which you can book a flight from Sioux City to Newark Airport (average of $228). Flying from Sioux City to Newark Airport in June is currently the most expensive (average of $301). 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

Traveling to a place near Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Bronx
Elizabeth
Secaucus
Yonkers
Ronkonkoma
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Absecon
East Rutherford
North Bergen
Staten Island
Stamford
Parsippany
New Brunswick
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Westbury
Hoboken
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Avenel
Paterson

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