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$274+ Cheap flights from Sioux City to Las Vegas (SUX - LAS)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — LAS
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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Cheap flight deals from Sioux City to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Las Vegas (LAS). 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 August 7, 2025.

Round-trip from

$274
(United Airlines)

One-way from

$274
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$382
From Sioux City Sioux Gateway to Las Vegas Harry Reid Intl
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One-way flight from Sioux City Sioux Gateway to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 19% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Sioux City to Las Vegas

Cheapest flights from Sioux City to Las Vegas
Explore the most affordable flight options available from Sioux City to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

This United Airlines deal was found by Cheapflights users on 8/6. 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 8/216:48 pmSUX - LAS
1 stop4h 58mUnited Airlines
Mon 8/2511:20 amLAS - SUX
1 stop4h 53mUnited Airlines
Deal found 8/6$274
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/126:48 pmSUX - LAS
1 stop5h 11mUnited Airlines
Mon 9/156:00 amLAS - SUX
2 stops10h 13mUnited Airlines
Deal found 8/6$374
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/226:48 pmSUX - LAS
1 stop4h 58mUnited Airlines
Mon 8/2512:59 amLAS - SUX
2 stops15h 14mUnited Airlines
Deal found 8/7$447
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/156:53 pmSUX - LAS
1 stop5h 06mUnited Airlines
Mon 8/188:30 pmLAS - SUX
2 stops19h 43mUnited Airlines
Deal found 8/6$554
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/76:53 pmSUX - LAS
1 stop5h 06mUnited Airlines
Sun 8/106:10 amLAS - SUX
2 stops10h 08mUnited Airlines
Deal found 8/6$559
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/76:53 pmSUX - LAS
1 stop5h 06mUnited Airlines
Mon 8/1110:43 amLAS - SUX
2 stops9h 57mUnited Airlines
Deal found 8/6$610
This United Airlines deal was found by Cheapflights users on 8/7. 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 10/176:51 pmSUX - LAS
1 stop27h 36mUnited Airlines
Sun 10/1911:59 pmLAS - SUX
1 stop21h 01mUnited Airlines
Deal found 8/7$619

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Las Vegas 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 August 7, 2025.
Use the filters below to find and compare flights from Sioux City to Las Vegas that are best for you.

Fly from

Sioux City

Fly to

Las Vegas

Route

Depart

Return

Price

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Thu 8/21

6:48 pm-9:46 pm

1 stop4h 58m

Las Vegas Harry Reid Intl

Mon 8/25

11:20 am-6:13 pm

1 stop4h 53m

$274

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Fri 9/12

6:48 pm-9:59 pm

1 stop5h 11m

Las Vegas Harry Reid Intl

Mon 9/15

6:00 am-6:13 pm

2 stops10h 13m

$374

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Tue 10/14

7:50 am-1:24 pm

1 stop7h 34m

Las Vegas Harry Reid Intl

Sat 10/18

2:32 pm-11:00 pm

1 stop6h 28m

$405

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Wed 8/20

6:48 pm-9:46 pm

1 stop4h 58m

Las Vegas Harry Reid Intl

Sun 8/24

6:00 am-6:13 pm

2 stops10h 13m

$414

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Thu 10/23

6:51 pm-9:57 pm

1 stop5h 06m

Las Vegas Harry Reid Intl

Mon 10/27

7:04 pm-6:08 pm

2 stops21h 04m

$488

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Tue 9/2

6:48 pm-8:45 am

1 stop15h 57m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Best time to book a flight from Sioux City to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas 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 Las Vegas

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

Currently, August is the cheapest month in which you can book a flight from Sioux City to Las Vegas (average of $198). Flying from Sioux City to Las Vegas in March is currently the most expensive (average of $269). 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 LAS?

Find hourly flight availability from Sioux City to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 7, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Sioux City to Las Vegas by exploring options for tickets in the afternoon.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated August 7, 2025.
Read through reviews of airlines operating flights from Sioux City to Las Vegas, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

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 Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, United Airlines ($274), offers the cheapest pricing from Sioux City to Las Vegas. This flight start at 40% lower than the current average price 3 months from now.

  • Can I find deals for flights from Sioux City to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Sioux City to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux City to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux City to Las Vegas.

  • Can I find deals for business class flights from Sioux City to Las Vegas?

    Yes. Cheapflights offers flight deals from Sioux City to Las Vegas 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 Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Sioux City to Las Vegas (average of $198). Flying from Sioux City to Las Vegas in March is currently the most expensive (average of $269). 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Henderson
Paradise
Sunrise Manor
North Las Vegas
Winchester
Primm
Mount Charleston
Kingman
Mesquite
Needles
Boulder City

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Top airline flying from Sioux City to Las Vegas

Discover the top airline that operate flights from Sioux City to Las Vegas. 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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$364FlexibilityNo cancel feeOn-time69%

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