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Flights from Rapid City to Las Vegas from $115 - Compare and Save

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAS
May 19 — May 261
Mon 5/19
Mon 5/26
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 September or November, booked 90 days in advance, depart on a Monday or Saturday and return on a Wednesday

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 May 14, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$115
(Booking.com)

One-way from

$64
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$356

Good round-trip deal

$149 or less
Provider with most accurate pricing for Rapid City-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Las Vegas Harry Reid Intl flights.
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From Rapid City to Las Vegas Harry Reid Intl
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One-way flight from Rapid City to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 20% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Rapid City to Las Vegas Harry Reid Intl.
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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 May 14, 2025.

This Booking.com deal was found by Cheapflights users on 5/12. 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.
Sun 6/110:07 pmRAP - LAS
Nonstop2h 22mAllegiant Air
Thu 6/125:56 pmLAS - RAP
Nonstop2h 18mAllegiant Air
Deal found 5/12$115
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:04 pmRAP - LAS
Nonstop2h 28mMultiple Airlines
Thu 6/2612:56 pmLAS - RAP
2 stops26h 31mMultiple Airlines
Deal found 5/12$216
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 7/311:51 amRAP - LAS
1 stop7h 59mDelta
Sun 7/66:00 amLAS - RAP
1 stop8h 52mDelta
Deal found 5/12$249
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 8/1612:19 pmRAP - LAS
1 stop7h 22mAmerican Airlines
Thu 8/219:40 amLAS - RAP
2 stops10h 19mAmerican Airlines
Deal found 5/12$254
This United Airlines deal was found by Cheapflights users on 5/12. 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 6/125:55 pmRAP - LAS
2 stops7h 32mUnited Airlines
Thu 6/266:00 amLAS - RAP
1 stop4h 36mUnited Airlines
Deal found 5/12$277
This Sun Country Air deal was found by Cheapflights users on 5/13. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/253:21 pmRAP - LAS
1 stop24h 21mSun Country Air
Sun 7/276:50 pmLAS - RAP
1 stop23h 07mSun Country Air
Deal found 5/13$300

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 May 14, 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 6/1

10:07 pm-11:29 pm

Nonstop2h 22m

Las Vegas Harry Reid Intl

Thu 6/12

5:56 pm-9:14 pm

Nonstop2h 18m

$108

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 6/12

10:04 pm-11:32 pm

Nonstop2h 28m

Las Vegas Harry Reid Intl

Thu 6/26

12:56 pm-4:27 pm

2 stops26h 31m

$216

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 7/3

11:51 am-6:50 pm

1 stop7h 59m

Las Vegas Harry Reid Intl

Sun 7/6

6:00 am-3:52 pm

1 stop8h 52m

$249

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 8/16

12:19 pm-6:41 pm

1 stop7h 22m

Las Vegas Harry Reid Intl

Thu 8/21

9:40 am-8:59 pm

2 stops10h 19m

$254

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 6/12

5:55 pm-12:27 am

2 stops7h 32m

Las Vegas Harry Reid Intl

Thu 6/26

6:00 am-11:36 am

1 stop4h 36m

$277

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Fri 7/25

3:21 pm-2:42 pm

1 stop24h 21m

Las Vegas Harry Reid Intl

Sun 7/27

6:50 pm-6:57 pm

1 stop23h 07m

$300

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sun 6/1

10:07 pm-11:29 pm

Nonstop2h 22m

$64

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Fri 8/15

5:27 pm-9:54 am

1 stop17h 27m

$128

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 7/22

2:25 pm-8:05 pm

1 stop6h 40m

$176

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Wed 7/23

5:36 am-2:37 pm

2 stops10h 01m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 11 results
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 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 May 9, 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 May 14, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 41% on flights from Rapid City to Las Vegas by exploring options for tickets in the morning.

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 May 14, 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
7,949 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,949 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,726 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Sun Country Air
6.9
Okay
346 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 8 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 $115. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $249 and $254, respectively. You may be able to fly from Rapid City to Las Vegas for 57% 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 $64. However, be on the lookout for offers from Sun Country Air and Delta, 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 $78. While the most popular route (Rapid City - Las Vegas Harry Reid Intl) can be booked for $115 on average our data indicates $282 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
Primm
Mount Charleston
Kingman
Mesquite
Needles
Boulder City

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Alternative routes for Rapid City to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Rapid City to Las Vegas

Discover the top 4 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 May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$111Average$183FlexibilityNo cancel feeOn-time88%
DeltaCheapest$205Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$397FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$404FlexibilityNo cancel feeOn-time69%

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