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Sioux City

$345+ Cheap flights from Dallas to Sioux City (SUX)

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SUX
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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 4/299:43 am
DFW
-
SUX
1 stop8h 13m
United Airlines
Sat 5/212:55 pm
SUX
-
DFW
1 stop5h 48m
United Airlines
Deal found 2/8$378
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.
Mon 5/46:01 pm
DFW
-
SUX
1 stop5h 31m
United Airlines
Wed 5/66:00 am
SUX
-
DFW
1 stop4h 52m
United Airlines
Deal found 2/11$385
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.
Fri 4/107:15 am
DFW
-
SUX
1 stop27h 31m
United Airlines
Sun 4/126:00 am
SUX
-
DFW
1 stop4h 52m
United Airlines
Deal found 2/11$445
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 am
DFW
-
SUX
1 stop16h 32m
United Airlines
Thu 3/56:30 pm
SUX
-
DFW
1 stop5h 14m
United Airlines
Deal found 2/11$478
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/244:42 pm
DFW
-
SUX
1 stop7h 00m
United Airlines
Sat 2/286:46 pm
SUX
-
DFW
1 stop17h 55m
United Airlines
Deal found 2/9$510

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 February 12, 2026.

Round-trip from

$378
(United Airlines)

One-way from

$345
(United Airlines)
From Dallas to Sioux City Sioux Gateway
Search Deals
One-way flight 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 February 12, 2026.
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

Wed 4/29

9:43 am-5:56 pm

1 stop8h 13m

Sioux City Sioux Gateway

Sat 5/2

12:55 pm-6:43 pm

1 stop5h 48m

$378

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Mon 5/4

6:01 pm-11:32 pm

1 stop5h 31m

Sioux City Sioux Gateway

Wed 5/6

6:00 am-10:52 am

1 stop4h 52m

$385

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Fri 4/10

7:15 am-10:46 am

1 stop27h 31m

Sioux City Sioux Gateway

Sun 4/12

6:00 am-10:52 am

1 stop4h 52m

$445

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Wed 3/4

7:10 am-11:42 pm

1 stop16h 32m

Sioux City Sioux Gateway

Thu 3/5

6:30 pm-11:44 pm

1 stop5h 14m

$478

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Mon 3/2

7:18 pm-5:41 pm

1 stop22h 23m

$345

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Sun 3/15

5:20 pm-10:45 am

2 stops17h 25m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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 $150). Flying from Dallas to Sioux City in March is currently the most expensive (average of $280). 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 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 0 different airlines.

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

    For as low as $378, United Airlines can have you in Sioux City from Dallas in 8h 13m. The distance from Dallas to Sioux City is about 657 mi.

  • 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 $150). Flying from Dallas to Sioux City in March is currently the most expensive (average of $280). 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

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