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$382+ Cheap flights from Sioux City (SUX) to Dallas

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — DFW
Mar 2 — Mar 91
Sun 3/2
Sun 3/9
1 adult, Economy
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Cheap 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 25, 2025.

Round-trip from

$555
(United)

Popular in

April

Cheapest in

December

Average price

$323
From Sioux City Sioux Gateway to Dallas
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find 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 25, 2025.

This United deal was found by Cheapflights users on 2/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/143:20 pmSUX - DFW
1 stop8h 23mUnited Airlines
Mon 3/174:16 pmDFW - SUX
1 stop6h 16mUnited Airlines
Deal found 2/25$555

Find flights from Sioux City to Dallas within your budget

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 25, 2025.

Fly from

Sioux City

Fly to

Dallas

Route

Depart

Return

Price

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Thu 4/3

10:03 am-4:02 pm

1 stop5h 59m

Dallas/Fort Worth

Sun 4/6

8:45 pm-10:26 pm

1 stop25h 41m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

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.

Travel insights for flights from Sioux City to Dallas

Get recent, data-driven insights about flights from Sioux City to Dallas including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Sioux City to Dallas (average of $216). Flying from Sioux City to Dallas 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 25, 2025.

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

Rainfall in Dallas by month

Plan your trip to Dallas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

Temperature in Dallas by month

Plan your trip to Dallas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 25, 2025.
United Airlines
7.4
Good
8,733 reviews

Food

6.7

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

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
8,733 reviews
United Airlines
7.4
Good
8,733 reviews

Food

6.7

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

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. 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.

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

    According to our current data, United Airlines ($555), offers the cheapest pricing from Sioux City to Dallas.

  • 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, August is the cheapest month in which you can book a flight from Sioux City to Dallas (average of $216). Flying from Sioux City to Dallas 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

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Alternative routes for Sioux City to Dallas

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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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$428FlexibilityNo cancel feeOn-time69%
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