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$304+ Cheap flights from Sioux City to Las Vegas (SUX - LAS)

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — LAS
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap 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 July 24, 2026.

This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/198:10 am
SUX
-
LAS
1 stop9h 52m
United Airlines
Tue 8/259:08 am
LAS
-
SUX
1 stop6h 45m
United Airlines
Deal found 7/20$304
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/299:05 am
SUX
-
LAS
1 stop7h 39m
United Airlines
Tue 9/19:08 am
LAS
-
SUX
1 stop6h 45m
United Airlines
Deal found 7/20$394
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/78:10 am
SUX
-
LAS
1 stop8h 35m
United Airlines
Tue 8/117:15 am
LAS
-
SUX
1 stop8h 38m
United Airlines
Deal found 7/23$419
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/166:58 pm
SUX
-
LAS
1 stop5h 01m
United Airlines
Mon 10/194:05 pm
LAS
-
SUX
1 stop5h 38m
United Airlines
Deal found 7/19$523
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/229:05 am
SUX
-
LAS
2 stops13h 27m
United Airlines
Mon 8/2412:59 am
LAS
-
SUX
2 stops14h 54m
United Airlines
Deal found 7/21$526

Find 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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$304
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Las Vegas Harry Reid Intl flights.
Search Deals
From Sioux City Sioux Gateway to Las Vegas Harry Reid Intl
Search Deals

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 July 24, 2026.
Use the filters below to find and compare flights from Sioux City to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Wed 8/19

8:10 am-4:02 pm

1 stop9h 52m

Las Vegas Harry Reid Intl

Tue 8/25

9:08 am-5:53 pm

1 stop6h 45m

$304
Quickest round-trip

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Sat 8/29

9:05 am-2:44 pm

1 stop7h 39m

Las Vegas Harry Reid Intl

Tue 9/1

9:08 am-5:53 pm

1 stop6h 45m

$394

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Fri 8/7

8:10 am-2:45 pm

1 stop8h 35m

Las Vegas Harry Reid Intl

Tue 8/11

7:15 am-5:53 pm

1 stop8h 38m

$419

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Sat 8/22

9:05 am-8:32 pm

2 stops13h 27m

Las Vegas Harry Reid Intl

Mon 8/24

12:59 am-5:53 pm

2 stops14h 54m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Sorted by cheapest first

Compare providers for flights from Sioux City to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux City to Las Vegas in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux City-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux City-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux City-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux City-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux City-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 July 24, 2026.
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
10,024 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,024 reviews
United Airlines
7.4
Good
10,024 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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.

  • How long is the flight from Sioux City to Las Vegas?

    Airlines like United Airlines fly from Sioux City to Las Vegas in about 9h 52m. The time it takes to get you to your destination can typically vary by up to . Sioux City and Las Vegas are separated by a distance of 1091 mi.

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

    According to our current data, United Airlines ($289), offers the cheapest pricing from Sioux City to Las Vegas.

  • 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.

See more FAQs

Traveling to a place near Las Vegas?

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

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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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$289Average$394FlexibilityNo cancel feeOn-time69%

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