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

Flying on United Airlines is currently your cheapest option to Sioux City, with prices starting at $519.

What is the cheapest day to fly from Dallas to Sioux City?

Travelers seeking maximum savings on their Dallas to Sioux City flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sioux City ranges from 0.7 - 4.2 inches per month. June is typically the wettest month, when rainfall can reach 4.2 in. January is typically the driest time to visit Sioux City when rainfall is around 0.7 in.

If weather is an important factor for your trip to Sioux City, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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

Sunday is generally a great day to depart. Flying on this day could help you save up to 25%.

What is the cheapest month to fly from Dallas to Sioux City?

January can be a great time to fly to Sioux City from Dallas with a flight ticket averaging about $459. Cheapflights users have found deals in the month of January for as cheap as $233. The most expensive prices can be found in the month of November.

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 1 airline.

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.

$519+ Flights from Dallas to Sioux City

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Cheap flight deals from Dallas to Sioux City

Round-trip from	$519 (United Airlines)
One-way from	$297 (United Airlines)
Popular in	November
Cheapest in	January

From Dallas to Sioux City Sioux Gateway

Search Deals

One-way flight from Dallas to Sioux City Sioux Gateway

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).

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Find 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 August 1, 2025.

Mon 12/151:48 pmDFW - SUX

1 stop4h 22mUnited Airlines

Sat 1/106:50 pmSUX - DFW

1 stop4h 48mUnited Airlines

Deal found 7/30

$519

Best flights from Dallas to Sioux City
Discover carefully curated flight deals from Dallas to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2025.

Mon 12/151:48 pmDFW - SUX

1 stop4h 22mUnited Airlines

Sat 1/106:50 pmSUX - DFW

1 stop4h 48mUnited Airlines

Deal found 7/30

$519

Last-minute flights from Dallas to Sioux City
Discover last-minute flight deals from Dallas to Sioux City. Data last updated August 1, 2025 and is based on user searches.

Sun 8/311:05 amDFW - SUX

1 stop7h 13mUnited Airlines

Tue 8/56:53 pmSUX - DFW

1 stop15h 57mUnited Airlines

Deal found 7/30

$885

Fly from

Fly to

Route

Depart

Return

Price

DallasSioux City

DFW - SUX

DFWSUX

Dallas/Fort Worth

Mon 12/15

1:48 pm-6:10 pm

1 stop4h 22m

Sioux City Sioux Gateway

Sat 1/10

6:50 pm-11:38 pm

1 stop4h 48m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, October is the cheapest month in which you can book a flight from Dallas to Sioux City (average of $318). Flying from Dallas to Sioux City in March is currently the most expensive (average of $446). 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 DFW to SUX?

Unlike at noon, when flights are generally more expensive, you can save up to 5% on flights from Dallas to Sioux City by exploring options for tickets in the morning.

Reviews of airlines servicing Sioux City

Read reviews from past customers who have flown United Airlines from Dallas to Sioux City. 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

8,900 reviews

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

8,900 reviews

United Airlines

7.4

Good

8,900 reviews

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

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 1 airline.
What is the cheapest airline to fly from Dallas to Sioux City round-trip?
Flying on United Airlines is currently your cheapest option to Sioux City, with prices starting at $519.
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, October is the cheapest month in which you can book a flight from Dallas to Sioux City (average of $318). Flying from Dallas to Sioux City in March is currently the most expensive (average of $446). 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.

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Top airline flying from Dallas to Sioux City

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$283	Average$434	FlexibilityNo cancel fee	On-time69%

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$519+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dallas to Sioux City with Cheapflights

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Cheap flight deals from Dallas to Sioux City

Round-trip from

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Popular in

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Find flight deals from Dallas to Sioux City

Cheapest flights from Dallas to Sioux CityExplore 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 August 1, 2025.

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 August 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dallas to Sioux City that are best for you.

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.

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?

What is the cheapest time of day to fly from DFW to SUX?

Find hourly flight availability from Dallas to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Reviews of airlines servicing Sioux City

Read reviews from past customers who have flown United Airlines from Dallas to Sioux City. 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.

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?

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

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

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

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

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

Traveling to a place near Sioux City?

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Alternative routes for Dallas to Sioux City

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Top airline flying from Dallas to Sioux City

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Travel Smart

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 August 1, 2025.