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$294+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — LAS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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1. Tell us where you want to go

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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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$294
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Las Vegas Harry Reid Intl flights.
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From Sioux City Sioux Gateway to Las Vegas Harry Reid Intl
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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 January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 1/276:00 am
SUX
-
LAS
1 stop4h 54m
United Airlines
Sat 1/317:15 am
LAS
-
SUX
1 stop8h 13m
United Airlines
Deal found 1/13$294
This United Airlines deal was found by Cheapflights users on 1/14. 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 4/156:32 pm
SUX
-
LAS
1 stop5h 27m
United Airlines
Sat 4/187:00 am
LAS
-
SUX
1 stop8h 56m
United Airlines
Deal found 1/14$313
This United Airlines deal was found by Cheapflights users on 1/14. 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 4/156:32 pm
SUX
-
LAS
1 stop5h 27m
United Airlines
Fri 4/174:35 pm
LAS
-
SUX
1 stop5h 09m
United Airlines
Deal found 1/14$333
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 5/316:54 pm
SUX
-
LAS
1 stop5h 05m
United Airlines
Sat 6/64:40 pm
LAS
-
SUX
1 stop5h 02m
United Airlines
Deal found 1/15$363
This United Airlines deal was found by Cheapflights users on 1/13. 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 2/136:46 pm
SUX
-
LAS
1 stop5h 26m
United Airlines
Wed 2/1810:41 am
LAS
-
SUX
2 stops11h 01m
United Airlines
Deal found 1/13$371
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Sun 2/151:00 pm
SUX
-
LAS
2 stops12h 55m
United Airlines
Wed 2/183:43 pm
LAS
-
SUX
1 stop5h 59m
United Airlines
Deal found 1/13$404

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 January 15, 2026.
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 1/29

6:43 pm-9:59 pm

1 stop5h 16m

Las Vegas Harry Reid Intl

Mon 2/2

3:33 pm-11:47 pm

1 stop6h 14m

$294

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Tue 1/27

6:00 am-8:54 am

1 stop4h 54m

Las Vegas Harry Reid Intl

Sat 1/31

7:15 am-5:28 pm

1 stop8h 13m

$294

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Wed 4/15

6:32 pm-9:59 pm

1 stop5h 27m

Las Vegas Harry Reid Intl

Sat 4/18

7:00 am-5:56 pm

1 stop8h 56m

$313

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Wed 4/15

6:32 pm-9:59 pm

1 stop5h 27m

Las Vegas Harry Reid Intl

Fri 4/17

4:35 pm-11:44 pm

1 stop5h 09m

$333

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Sun 5/31

6:54 pm-9:59 pm

1 stop5h 05m

Las Vegas Harry Reid Intl

Sat 6/6

4:40 pm-11:42 pm

1 stop5h 02m

$363

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Mon 6/1

12:45 pm-12:01 am

2 stops13h 16m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux City-Las Vegas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 $91). Flying from Sioux City to Las Vegas in December is currently the most expensive (average of $115). 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.

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 January 15, 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
9,164 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 5h 16m. 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 ($258), 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.

  • 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 $91). Flying from Sioux City to Las Vegas in December is currently the most expensive (average of $115). 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
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Needles

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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$374FlexibilityNo cancel feeOn-time69%

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