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$309+ Cheap flights from Sioux City (SUX) to Dallas/Fort Worth (DFW)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — DFW
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Sioux City to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Dallas/Fort Worth (DFW). 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 septiembre 11, 2025.

Round-trip from

$309
(United Airlines)

Popular in

November

Cheapest in

December

Average price

$441
From Sioux City Sioux Gateway to Dallas/Fort Worth
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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Sioux City to Dallas/Fort Worth

Cheapest flights from Sioux City to Dallas/Fort Worth
Explore the most affordable flight options available from Sioux City to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 9/266:51 pmSUX - DFW
1 stop4h 40mUnited Airlines
vie. 10/34:18 pmDFW - SUX
1 stop6h 42mUnited Airlines
Deal found 9/11$309
This United Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 11/77:45 amSUX - DFW
1 stop28h 21mUnited Airlines
lun. 11/108:44 pmDFW - SUX
1 stop21h 24mUnited Airlines
Deal found 9/11$487

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Dallas/Fort Worth 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Sioux City to Dallas/Fort Worth Airport that are best for you.

Fly from

Sioux City

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

vie. 9/26

6:51 pm-11:31 pm

1 stop4h 40m

Dallas/Fort Worth

vie. 10/3

4:18 pm-11:00 pm

1 stop6h 42m

$309

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

vie. 11/7

7:45 am-12:06 pm

1 stop28h 21m

Dallas/Fort Worth

lun. 11/10

7:30 pm-6:08 pm

2 stops22h 38m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Sioux City to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth 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/Fort Worth Airport

What is the cheapest month to book a flight from Sioux City to Dallas/Fort Worth Airport?

Currently, August is the cheapest month in which you can book a flight from Sioux City to Dallas/Fort Worth Airport (average of $216). Flying from Sioux City to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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 SUX to DFW?

Find hourly flight availability from Sioux City to Dallas/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

It’s typically best to fly out from Sioux City to Dallas/Fort Worth Airport in the morning. Doing so could potentially save you 26% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. 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/Fort Worth. Reviews last updated septiembre 11, 2025.
Read reviews from past customers who have flown United Airlines from Sioux City to Dallas/Fort Worth Airport. 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
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

    For a flight from Sioux City to Dallas/Fort Worth, you will be flying from Sioux Gateway. Sioux City Sioux Gateway (SUX) is just 7.0 mi from the center of the city. Sioux Gateway is the only Sioux City airport and it handles 0 outbound flights to Dallas/Fort Worth per day. 1 airline has flights to Dallas/Fort Worth from Sioux City Sioux Gateway on a regular basis.

  • How long is the flight from Sioux City to Dallas/Fort Worth Airport?

    Departing from Sioux City to Dallas/Fort Worth Airport will take you 4h 40m. Sioux City and Dallas/Fort Worth Airport are separated by a distance of 657 mi.

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

    Currently priced at $303, United Airlines will fly you from Sioux City to Dallas/Fort Worth Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is currently priced 26% below the average price you’ll pay for this route.

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

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

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

    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/Fort Worth.

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

    Yes. Cheapflights offers flight deals from Sioux City to Dallas/Fort Worth 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/Fort Worth Airport?

    Currently, August is the cheapest month in which you can book a flight from Sioux City to Dallas/Fort Worth Airport (average of $216). Flying from Sioux City to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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 Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
Arlington
Allen
Frisco
Mansfield
Grapevine
Denton
Garland
Cedar Hill
Plano
Durant
McKinney
Richardson
Saginaw
Weatherford
Rockwall
Denison
Burleson
Carrollton
Granbury

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Top airline flying from Sioux City to Dallas/Fort Worth

Discover the top airline that operate flights from Sioux City to Dallas/Fort Worth. 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$303Average$442FlexibilityNo cancel feeOn-time69%

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