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$129+ Cheap flights from Rapid City to Las Vegas (RAP - 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Rapid City to Las Vegas Harry Reid Intl are usually found in August or September, booked 77 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Rapid City to Las Vegas

Cheapest flights from Rapid City to Las Vegas
Explore the most affordable flight options available from Rapid City to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/22. 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 12/2511:11 amRAP - LAS
1 stop6h 50mUnited Airlines
Tue 12/305:30 amLAS - RAP
1 stop6h 16mUnited Airlines
Deal found 12/22$354
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:05 amRAP - LAS
Nonstop2h 19mAllegiant Air
Tue 12/306:35 amLAS - RAP
Nonstop2h 15mAllegiant Air
Deal found 12/20$396
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/276:05 pmRAP - LAS
1 stop4h 53mUnited Airlines
Tue 12/308:00 amLAS - RAP
2 stops8h 00mUnited Airlines
Deal found 12/22$425
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 12/253:35 pmRAP - LAS
1 stop5h 47mUnited Airlines
Sat 12/275:30 amLAS - RAP
1 stop6h 16mUnited Airlines
Deal found 12/21$470
This United Airlines deal was found by Cheapflights users on 12/20. 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 12/276:05 pmRAP - LAS
1 stop4h 53mUnited Airlines
Wed 12/315:30 amLAS - RAP
1 stop6h 16mUnited Airlines
Deal found 12/20$474

Find flight deals from Rapid City to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) 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 December 23, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$121
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$353

Good round-trip deal

$127 or less

Good one-way deal

$156 or less
Provider with most accurate pricing for Rapid City-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Las Vegas Harry Reid Intl flights.
Search Deals
From Rapid City to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Rapid City to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Rapid City to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid 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 December 23, 2025.
Use the filters below to find and compare flights from Rapid City to Las Vegas that are best for you.

Fly from

Rapid City

Fly to

Las Vegas

Route

Depart

Return

Price

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sun 2/22

5:42 pm-7:13 pm

Nonstop2h 31m

Las Vegas Harry Reid Intl

Thu 2/26

1:40 pm-4:52 pm

Nonstop2h 12m

$144

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 2/19

5:42 pm-7:13 pm

Nonstop2h 31m

Las Vegas Harry Reid Intl

Sun 2/22

1:40 pm-4:52 pm

Nonstop2h 12m

$242

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 1/17

10:54 am-5:24 pm

1 stop7h 30m

Las Vegas Harry Reid Intl

Tue 1/20

6:15 am-3:25 pm

1 stop8h 10m

$265

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 2/21

2:52 pm-8:31 pm

1 stop6h 39m

Las Vegas Harry Reid Intl

Sat 2/28

9:00 am-3:17 pm

1 stop5h 17m

$269

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Fri 1/9

7:00 am-12:54 pm

1 stop6h 54m

Las Vegas Harry Reid Intl

Sun 1/11

5:20 am-1:12 pm

1 stop6h 52m

$270

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Wed 1/21

6:00 am-12:41 pm

1 stop7h 41m

Las Vegas Harry Reid Intl

Sat 1/24

11:31 am-10:28 pm

2 stops9h 57m

$270

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/22

10:54 am-8:49 pm

2 stops10h 55m

Las Vegas Harry Reid Intl

Sat 1/24

11:31 am-10:28 pm

2 stops9h 57m

$275

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Fri 6/5

4:30 pm-9:59 pm

1 stop6h 29m

$161

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 12/30

10:40 am-11:59 am

Nonstop2h 19m

$175

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 4/18

4:00 pm-11:27 pm

1 stop8h 27m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 13 results
1
2

Compare providers for flights from Rapid 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 Rapid City to Las Vegas in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 Rapid City-Las Vegas flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Rapid City-Las Vegas flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Rapid City-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Las Vegas flights, Cheapflights users trust Mytrip the most. Mytrip 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 Rapid 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 Rapid City to Las Vegas

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

How far ahead should I book a flight from Rapid City to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Rapid City to Las Vegas. Price data was last updated on December 19, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Rapid City to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Rapid City to Las Vegas (average of $105). Flying from Rapid City to Las Vegas in April is currently the most expensive (average of $161). 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 RAP to LAS?

Find hourly flight availability from Rapid 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 December 23, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 55% on flights from Rapid City to Las Vegas by exploring options for tickets in the evening.

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 December 23, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Allegiant Air from Rapid City to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,105 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
701 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Rapid 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 popular is this Rapid City to Las Vegas flight route?

    Flights from Rapid City to Las Vegas Harry Reid Intl have been viewed 4 times in the past calendar month.

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

    A quick flight from Rapid City to Las Vegas can take about 2h 31m. Allegiant Air provides one of the quickest options available for as low as $144. Airlines will cover a distance of 841 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Rapid City to Las Vegas round-trip?

    Flying on Allegiant Air is currently your cheapest option to Las Vegas, with prices starting at $114. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $175 and $240, respectively. You may be able to fly from Rapid City to Las Vegas for 58% less than the average price by searching for these airlines.

  • What are the cheapest flights from Rapid City to Las Vegas?

    Looking at all options, your cheapest flight can be booked for $106. While the most popular route (Rapid City - Las Vegas Harry Reid Intl) can be booked for $121 on average, our data indicates $151 when flying from Rapid City to Las Vegas.

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

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

  • How can I find direct flights from Rapid 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 Rapid City to Las Vegas.

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

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

    Currently, June is the cheapest month in which you can book a flight from Rapid City to Las Vegas (average of $105). Flying from Rapid City to Las Vegas in April is currently the most expensive (average of $161). 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
Paradise
Henderson
North Las Vegas
Kingman
Winchester
Primm
Sunrise Manor
Mesquite
Boulder City
Needles

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Alternative routes for Rapid City to Las Vegas

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Top 3 airlines flying from Rapid City to Las Vegas

Discover the top 3 airlines that operate flights from Rapid 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$115Average$197FlexibilityNo cancel feeOn-time88%
DeltaCheapest$175Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$382FlexibilityNo cancel feeOn-time69%

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