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$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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAS
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 90 days in advance, depart on a Monday or Saturday and return on a Tuesday

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 julio 29, 2025.

Round-trip from

$108
(Booking.com)

One-way from

$54
(Cheapflightsfares)

Popular in

April

Cheapest in

August

Average price

$248

Good round-trip deal

$119 or less

Good one-way deal

$68 or less
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. 22% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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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Price to beat on a one-way 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 julio 29, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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.
dom. 8/1710:00 pmRAP - LAS
Nonstop2h 20mAllegiant Air
jue. 8/214:21 pmLAS - RAP
Nonstop2h 19mAllegiant Air
Deal found 7/29$108
This Delta deal was found by Cheapflights users on 7/28. 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.
mar. 8/196:20 amRAP - LAS
1 stop7h 10mDelta
lun. 8/2512:35 amLAS - RAP
1 stop8h 39mDelta
Deal found 7/28$241
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
dom. 8/1710:00 pmRAP - LAS
Nonstop2h 20mMultiple Airlines
jue. 8/216:28 pmLAS - RAP
1 stop20h 48mMultiple Airlines
Deal found 7/29$247
This American Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 12/612:25 pmRAP - LAS
2 stops10h 07mAmerican Airlines
lun. 12/81:41 amLAS - RAP
1 stop9h 02mAmerican Airlines
Deal found 7/29$250
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/165:30 amRAP - LAS
1 stop4h 15mUnited Airlines
sáb. 9/206:00 amLAS - RAP
1 stop5h 38mUnited Airlines
Deal found 7/29$276

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 julio 29, 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

dom. 8/17

10:00 pm-11:20 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

jue. 8/21

4:21 pm-7:40 pm

Nonstop2h 19m

$108

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

mar. 8/19

6:20 am-12:30 pm

1 stop7h 10m

Las Vegas Harry Reid Intl

lun. 8/25

12:35 am-10:14 am

1 stop8h 39m

$241

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

dom. 8/17

10:00 pm-11:20 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

jue. 8/21

6:28 pm-4:16 pm

1 stop20h 48m

$247

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

sáb. 8/16

5:02 pm-9:50 pm

1 stop5h 48m

Las Vegas Harry Reid Intl

jue. 8/21

9:15 am-8:59 pm

2 stops10h 44m

$259

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

mar. 9/16

5:30 am-8:45 am

1 stop4h 15m

Las Vegas Harry Reid Intl

sáb. 9/20

6:00 am-12:38 pm

1 stop5h 38m

$276

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

jue. 9/25

11:02 am-4:49 pm

1 stop6h 47m

Las Vegas Harry Reid Intl

dom. 9/28

8:49 am-3:55 pm

1 stop6h 06m

$333

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

dom. 8/24

8:30 pm-9:52 pm

Nonstop2h 22m

$54

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

mié. 8/20

4:25 pm-11:20 pm

1 stop7h 55m

$151

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

mié. 8/20

5:39 am-2:48 pm

2 stops10h 09m

$156

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

vie. 9/5

1:02 pm-10:13 pm

2 stops10h 11m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results
1
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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 July 25, 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 julio 29, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% on flights from Rapid City to Las Vegas by exploring options for tickets in the morning.

How much does it cost to fly round-trip from Rapid City to Las Vegas?

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 julio 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines 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
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
7.2
Good
703 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
333 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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 5 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 Delta and American Airlines, with the lowest prices starting at $241 and $259, respectively. You may be able to fly from Rapid City to Las Vegas for 56% 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 $61. While the most popular route (Rapid City - Las Vegas Harry Reid Intl) can be booked for $122 on average our data indicates $110 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 Las Vegas?

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

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Alternative routes for Rapid City to Las Vegas

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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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$112Average$174FlexibilityNo cancel feeOn-time88%
DeltaCheapest$205Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$392FlexibilityNo cancel feeOn-time69%

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