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Sioux City

$254+ Cheap flights from Dallas 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SUX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Dallas to Sioux City

Cheapest flights from Dallas to Sioux City
Explore the most affordable flight options available from Dallas to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/294:27 pmDFW - SUX
1 stop6h 48mUnited Airlines
Sun 1/47:50 amSUX - DFW
1 stop5h 45mUnited Airlines
Deal found 12/16$521

Find flight deals from Dallas to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) 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 December 18, 2025.

Round-trip from

$254
(United Airlines)
From Dallas to Sioux City Sioux Gateway
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas 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 December 18, 2025.
Use the filters below to find and compare flights from Dallas to Sioux City that are best for you.

Fly from

Dallas

Fly to

Sioux City

Route

Depart

Return

Price

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Sun 2/8

10:25 am-5:28 pm

1 stop7h 03m

Sioux City Sioux Gateway

Thu 2/19

6:46 pm-11:21 pm

1 stop4h 35m

$254

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Tue 1/27

4:45 pm-11:47 pm

1 stop7h 02m

Sioux City Sioux Gateway

Sat 1/31

6:00 am-12:41 pm

1 stop6h 41m

$324

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Mon 12/29

4:27 pm-11:15 pm

1 stop6h 48m

Sioux City Sioux Gateway

Sun 1/4

6:54 pm-3:31 pm

2 stops20h 37m

$605

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Sat 1/10

7:00 am-5:28 pm

1 stop10h 28m

$293

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Sun 1/11

6:10 pm-10:55 am

1 stop16h 45m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Dallas to Sioux City

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

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

Currently, April is the cheapest month in which you can book a flight from Dallas to Sioux City (average of $151). Flying from Dallas to Sioux City in January is currently the most expensive (average of $289). 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.

What is the cheapest time of day to fly from DFW to SUX?

Find hourly flight availability from Dallas to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 54% on flights from Dallas to Sioux City by exploring options for tickets in the morning.

Reviews of airlines servicing Sioux City

Get insights into the airlines that provide service to Sioux City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux City. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown United Airlines from Dallas to Sioux City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Dallas 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 Dallas?

    If you book a flight to Sioux City from Dallas, you will be flying to Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City. There are 0 flights from Dallas to Sioux Gateway per day from 1 airline.

  • How long is the flight from Dallas to Sioux City?

    For as low as $254, United Airlines can have you in Sioux City from Dallas in 7h 03m. The distance from Dallas to Sioux City is about 657 mi.

  • What is the cheapest airline to fly from Dallas to Sioux City round-trip?

    Flying on United Airlines is currently your cheapest option to Sioux City, with prices starting at $263.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas 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 Dallas to Sioux City?

    Currently, April is the cheapest month in which you can book a flight from Dallas to Sioux City (average of $151). Flying from Dallas to Sioux City in January is currently the most expensive (average of $289). 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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Top airline flying from Dallas to Sioux City

Discover the top airline that operate flights from Dallas to Sioux City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$263Average$524FlexibilityNo cancel feeOn-time69%

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