HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dallas

$194+ Cheap flights from Sioux City (SUX) to Dallas

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — DFW
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux City to Dallas 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 Sioux City to Dallas

Cheapest flights from Sioux City to Dallas
Explore the most affordable flight options available from Sioux City to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 3/146:30 pm
SUX
-
DFW
1 stop5h 14m
United Airlines
Thu 3/195:30 am
DFW
-
SUX
1 stop5h 15m
United Airlines
Deal found 2/12$272
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/136:30 pm
SUX
-
DFW
1 stop5h 14m
United Airlines
Fri 3/205:30 am
DFW
-
SUX
1 stop5h 15m
United Airlines
Deal found 2/12$315
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/66:10 am
SUX
-
DFW
1 stop4h 44m
United Airlines
Sun 3/86:15 pm
DFW
-
SUX
1 stop5h 26m
United Airlines
Deal found 2/10$325
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Mon 3/236:30 pm
SUX
-
DFW
1 stop5h 14m
United Airlines
Thu 3/265:30 am
DFW
-
SUX
1 stop5h 15m
United Airlines
Deal found 2/13$373
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/176:00 am
SUX
-
DFW
1 stop6h 41m
United Airlines
Sat 2/214:50 pm
DFW
-
SUX
1 stop6h 52m
United Airlines
Deal found 2/12$409
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/126:30 pm
SUX
-
DFW
1 stop5h 14m
United Airlines
Thu 3/199:06 am
DFW
-
SUX
1 stop25h 39m
United Airlines
Deal found 2/12$439
This United Airlines deal was found by Cheapflights users on 2/11. 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 2/266:46 pm
SUX
-
DFW
1 stop4h 35m
United Airlines
Mon 3/27:18 pm
DFW
-
SUX
1 stop22h 23m
United Airlines
Deal found 2/11$508

Find flight deals from Sioux City to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Dallas (A78). 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 February 14, 2026.

Round-trip from

$272
(United Airlines)

One-way from

$194
(United Airlines)
From Sioux City Sioux Gateway to Dallas
Search Deals
One-way flight from Sioux City Sioux Gateway to Dallas
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Dallas 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 February 14, 2026.
Use the filters below to find and compare flights from Sioux City to Dallas that are best for you.

Fly from

Sioux City

Fly to

Dallas

Route

Depart

Return

Price

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Sat 3/14

6:30 pm-11:44 pm

1 stop5h 14m

Dallas/Fort Worth

Thu 3/19

5:30 am-10:45 am

1 stop5h 15m

$272

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Sat 3/14

6:30 pm-11:44 pm

1 stop5h 14m

Dallas/Fort Worth

Sat 3/21

5:30 am-10:45 am

1 stop5h 15m

$272

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Fri 3/13

6:30 pm-11:44 pm

1 stop5h 14m

Dallas/Fort Worth

Fri 3/20

5:30 am-10:45 am

1 stop5h 15m

$315

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Sat 3/7

12:53 pm-6:26 pm

1 stop5h 33m

Dallas/Fort Worth

Sun 3/8

6:15 pm-11:41 pm

1 stop5h 26m

$325

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Fri 3/6

6:10 am-10:54 am

1 stop4h 44m

Dallas/Fort Worth

Sun 3/8

6:15 pm-11:41 pm

1 stop5h 26m

$325

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Mon 3/23

6:30 pm-11:44 pm

1 stop5h 14m

Dallas/Fort Worth

Thu 3/26

5:30 am-10:45 am

1 stop5h 15m

$373

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Thu 3/12

6:30 pm-11:44 pm

1 stop5h 14m

Dallas/Fort Worth

Thu 3/19

9:06 am-10:45 am

1 stop25h 39m

$439

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Thu 2/26

6:46 pm-11:21 pm

1 stop4h 35m

Dallas/Fort Worth

Mon 3/2

7:18 pm-5:41 pm

1 stop22h 23m

$508

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Mon 3/16

6:30 pm-11:44 pm

1 stop5h 14m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Best time to book a flight from Sioux City to Dallas

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

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

Currently, February is the cheapest month in which you can book a flight from Sioux City to Dallas (average of $138). Flying from Sioux City to Dallas in June is currently the most expensive (average of $286). 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.

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated February 14, 2026.
See what other customers who have flown with United Airlines from Sioux City to Dallas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,289 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,289 reviews
United Airlines
7.4
Good
9,289 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Dallas. 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 Dallas?

    If you book a flight to Dallas from Sioux City, you will be flying from 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 Sioux Gateway to Dallas per day from 1 airline.

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

    There are many flights that can get you from Sioux City to Dallas in 5h 14m. Fly via United Airlines to get the fastest option. The distance between Sioux City and Dallas is about 657 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Sioux City to Dallas (average of $138). Flying from Sioux City to Dallas in June is currently the most expensive (average of $286). 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 Sioux City to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
Des Moines to Dallas/Fort Worth flights
Omaha to Dallas/Fort Worth flights
Omaha to Hobby flights
Cedar Rapids to Dallas/Fort Worth flights
Omaha to George Bush Intcntl flights
Moline to Dallas/Fort Worth flights
Omaha to Love Field flights
Des Moines to Hobby flights
Des Moines to George Bush Intcntl flights
Des Moines to Love Field flights
Cedar Rapids to Hobby flights
Omaha to Austin flights
Cedar Rapids to George Bush Intcntl flights
Omaha to San Antonio flights
Cedar Rapids to Austin flights
Cedar Rapids to San Antonio flights
Moline to San Antonio flights
Des Moines to Austin flights
Des Moines to Brownsville flights
Moline to Hobby flights
Des Moines to McAllen flights
Des Moines to San Antonio flights
Moline to Love Field flights
Omaha to Brownsville flights
Moline to Austin flights
Moline to George Bush Intcntl flights
Omaha to El Paso flights
Cedar Rapids to McAllen flights
Des Moines to Harlingen flights
Cedar Rapids to Brownsville flights
Cedar Rapids to Love Field flights
Des Moines to El Paso flights
Omaha to Corpus Christi flights
Cedar Rapids to Harlingen flights
Omaha to Harlingen flights
Cedar Rapids to Amarillo flights
Cedar Rapids to Corpus Christi flights
Omaha to McAllen flights
Sioux City to Austin flights
Cedar Rapids to El Paso flights
Waterloo to Dallas/Fort Worth flights
Sioux City to Dallas/Fort Worth flights
Moline to El Paso flights
Omaha to Amarillo flights
Moline to Corpus Christi flights
La Crosse to Dallas/Fort Worth flights
La Crosse to Hobby flights
Omaha to Lubbock flights
Moline to McAllen flights

Top airline flying from Sioux City to Dallas

Discover the top airline that operate flights from Sioux City to Dallas. 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 February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$303Average$498FlexibilityNo cancel feeOn-time69%

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.