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Sioux City

$368+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SUX
May 5 — May 121
Tue 5/5
Tue 5/12
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 April 5, 2026.

This United Airlines deal was found by Cheapflights users on 4/3. 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 5/86:01 pm
DFW
-
SUX
1 stop5h 31m
United Airlines
Sat 5/912:55 pm
SUX
-
DFW
1 stop5h 48m
United Airlines
Deal found 4/3$368
This United Airlines deal was found by Cheapflights users on 4/1. 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 8/2911:56 am
DFW
-
SUX
1 stop5h 57m
United Airlines
Tue 9/111:32 am
SUX
-
DFW
1 stop7h 14m
United Airlines
Deal found 4/1$394
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/176:02 pm
DFW
-
SUX
1 stop5h 42m
United Airlines
Tue 4/216:00 am
SUX
-
DFW
1 stop4h 52m
United Airlines
Deal found 4/1$461
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/306:01 pm
DFW
-
SUX
1 stop5h 31m
United Airlines
Thu 5/76:00 am
SUX
-
DFW
1 stop4h 52m
United Airlines
Deal found 3/31$466
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/255:05 pm
DFW
-
SUX
1 stop17h 41m
United Airlines
Tue 4/286:00 am
SUX
-
DFW
1 stop4h 52m
United Airlines
Deal found 4/1$469
This United Airlines deal was found by Cheapflights users on 3/31. 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 9/15:17 am
DFW
-
SUX
2 stops18h 29m
United Airlines
Sat 9/511:32 am
SUX
-
DFW
1 stop7h 14m
United Airlines
Deal found 3/31$494
This United Airlines deal was found by Cheapflights users on 4/4. 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 5/77:30 am
DFW
-
SUX
1 stop27h 11m
United Airlines
Sun 5/106:00 am
SUX
-
DFW
1 stop4h 52m
United Airlines
Deal found 4/4$514

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 April 5, 2026.

Round-trip from

$368
(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 April 5, 2026.
Use the filters below to find and compare flights from Dallas to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Tue 9/1

5:02 pm-11:46 pm

1 stop6h 44m

Sioux City Sioux Gateway

Sat 9/5

6:30 pm-11:54 pm

1 stop5h 24m

$394

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Sat 8/29

5:45 am-10:55 am

1 stop5h 10m

Sioux City Sioux Gateway

Tue 9/1

11:32 am-6:46 pm

1 stop7h 14m

$394
Quickest round-trip

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Fri 4/17

6:02 pm-11:44 pm

1 stop5h 42m

Sioux City Sioux Gateway

Tue 4/21

6:00 am-10:52 am

1 stop4h 52m

$461

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Sat 4/25

2:23 pm-10:46 am

2 stops20h 23m

Sioux City Sioux Gateway

Tue 4/28

6:00 am-12:41 pm

1 stop6h 41m

$479

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Thu 5/7

7:28 pm-10:41 am

2 stops15h 13m

Sioux City Sioux Gateway

Sun 5/10

6:00 am-10:52 am

1 stop4h 52m

$524
Cheapest one-way
Quickest one-way

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Sat 4/11

12:28 pm-5:56 pm

1 stop5h 28m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Sorted by cheapest first

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, September is the cheapest month in which you can book a flight from Dallas to Sioux City (average of $214). Flying from Dallas to Sioux City in March 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 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 $394, United Airlines can have you in Sioux City from Dallas in 6h 44m. 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, September is the cheapest month in which you can book a flight from Dallas to Sioux City (average of $214). Flying from Dallas to Sioux City in March 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

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