HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Las Vegas

$54+ Cheap flights from Rapid City to Las Vegas (RAP - 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAS
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to Las Vegas with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Rapid City to Las Vegas Harry Reid Intl are usually found in September or November, booked 90 days in advance, depart on a Monday or Saturday and return on a Thursday

Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$108
(Cheapflightsfares)

One-way from

$54
(Cheapflightsfares)

Popular in

May

Cheapest in

September

Average price

$289

Good round-trip deal

$189 or less

Good one-way deal

$105 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
One-way flight from Rapid City to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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

Find 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 March 25, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/45:40 pmRAP - LAS
Nonstop2h 21mAllegiant Air
Thu 5/81:29 pmLAS - RAP
Nonstop2h 21mAllegiant Air
Deal found 3/23$108
This Booking.com deal was found by Cheapflights users on 3/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:14 pmRAP - LAS
Nonstop2h 20mMultiple Airlines
Sun 8/1711:59 pmLAS - RAP
1 stop15h 34mMultiple Airlines
Deal found 3/22$228
This American Airlines deal was found by Cheapflights users on 3/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/244:38 pmRAP - LAS
1 stop6h 10mAmerican Airlines
Mon 7/2812:59 amLAS - RAP
1 stop7h 56mAmerican Airlines
Deal found 3/23$249
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sun 4/67:00 amRAP - LAS
1 stop6h 59mUnited Airlines
Tue 6/176:00 amLAS - RAP
1 stop5h 36mUnited Airlines
Deal found 3/23$254
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/224:19 pmRAP - LAS
1 stop7h 26mDelta
Tue 4/291:50 pmLAS - RAP
1 stop7h 40mDelta
Deal found 3/23$294

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 March 25, 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 5/4

5:40 pm-7:01 pm

Nonstop2h 21m

Las Vegas Harry Reid Intl

Thu 5/8

1:29 pm-4:50 pm

Nonstop2h 21m

$108

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 8/14

10:14 pm-11:34 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

Sun 8/17

11:59 pm-4:33 pm

1 stop15h 34m

$228

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 7/24

4:38 pm-9:48 pm

1 stop6h 10m

Las Vegas Harry Reid Intl

Tue 7/29

7:00 am-5:27 pm

1 stop9h 27m

$249

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sun 4/6

7:00 am-12:59 pm

1 stop6h 59m

Las Vegas Harry Reid Intl

Tue 6/17

6:00 am-12:36 pm

1 stop5h 36m

$254

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 4/22

4:19 pm-10:45 pm

1 stop7h 26m

Las Vegas Harry Reid Intl

Tue 4/29

1:50 pm-10:30 pm

1 stop7h 40m

$294

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sun 4/20

5:40 pm-7:01 pm

Nonstop2h 21m

$54

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 5/13

6:33 am-12:48 pm

1 stop7h 15m

$176

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 5/13

12:32 pm-9:31 pm

2 stops9h 59m

$181

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Mon 5/12

9:05 am-5:51 pm

2 stops9h 46m

$237

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 4/5

10:33 am-11:05 pm

3 stops37h 32m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust 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 Rapid 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 Rapid City-Las Vegas flight deals on Cheapflights vs. FlightHub >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 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 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 March 21, 2025.

Booking 90 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, August is the cheapest month in which you can book a flight from Rapid City to Las Vegas (average of $198). Flying from Rapid 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 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 March 25, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 29% on flights from Rapid City to Las Vegas by exploring options for tickets at noon.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, 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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 March 25, 2025.
Read through reviews of airlines operating flights from Rapid City to Las Vegas, such as Delta, United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
730 reviews
Delta
8.0
Very good
7,890 reviews

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,890 reviews

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 9 times in the past calendar month.

  • 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 $108. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $249 and $254, respectively. You may be able to fly from Rapid City to Las Vegas for 61% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Rapid City to Las Vegas one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Rapid City to Las Vegas for a low price.

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

    Looking at all options, your cheapest flight can be booked for $75. While the most popular route (Rapid City - Las Vegas Harry Reid Intl) can be booked for $108 on average our data indicates $185 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, August is the cheapest month in which you can book a flight from Rapid City to Las Vegas (average of $198). Flying from Rapid 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 Rapid City?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Las Vegas flights
Sioux Falls to Reno flights
Aberdeen to Las Vegas flights

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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$114Average$187FlexibilityNo cancel feeOn-time88%
DeltaCheapest$219Average$333FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$439FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.