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Cheap flights from Rapid City to Las Vegas from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Las Vegas departing on 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Rapid City to Las Vegas

Cheap round-trip flights

Allegiant Air Logo
9:44 pm - 11:07 pmRAP-LAS
2h 23mnonstop
Allegiant Air Logo
5:38 pm - 8:54 pmLAS-RAP
2h 16mnonstop
$144Allegiant Air
Find Deal
Thu, Nov 6 - Sun, Nov 9
Allegiant Air Logo
10:33 am - 12:02 pmRAP-LAS
2h 29mnonstop
Allegiant Air Logo
6:00 am - 9:13 amLAS-RAP
2h 13mnonstop
$148Allegiant Air
Find Deal
Tue, Nov 25 - Sat, Nov 29
Multiple Airlines Logo
9:44 pm - 11:07 pmRAP-LAS
2h 23mnonstop
Multiple Airlines Logo
9:16 pm - 6:26 pmLAS-RAP
20h 10m1 stop
$180Multiple Airlines
Find Deal
Thu, Nov 6 - Fri, Nov 7
Multiple Airlines Logo
12:13 pm - 7:17 amRAP-LAS
20h 04m1 stop
Multiple Airlines Logo
5:38 pm - 8:54 pmLAS-RAP
2h 16mnonstop
$207Multiple Airlines
Find Deal
Wed, Oct 29 - Thu, Oct 30
Delta Logo
6:20 am - 12:54 pmRAP-LAS
7h 34m1 stop
Delta Logo
6:25 am - 3:14 pmLAS-RAP
7h 49m1 stop
$249Delta
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Sat, Jan 31 - Sat, Feb 7
Delta Logo
6:20 am - 12:54 pmRAP-LAS
7h 34m1 stop
Delta Logo
6:00 am - 10:14 pmLAS-RAP
15h 14m2 stops
$254Delta
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Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
7:00 am - 10:54 amRAP-LAS
4h 54m1 stop
United Airlines Logo
9:46 am - 5:00 pmLAS-RAP
6h 14m1 stop
$259United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
8:30 am - 12:27 pmRAP-LAS
4h 57m1 stop
United Airlines Logo
6:00 am - 5:00 pmLAS-RAP
10h 00m2 stops
$264United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
American Airlines Logo
12:30 pm - 9:01 pmRAP-LAS
9h 31m1 stop
American Airlines Logo
1:36 am - 11:34 amLAS-RAP
8h 58m1 stop
$330American Airlines
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Sat, Jan 10 - Wed, Jan 14
American Airlines Logo
12:30 pm - 8:06 pmRAP-LAS
8h 36m2 stops
American Airlines Logo
1:36 am - 11:34 amLAS-RAP
8h 58m1 stop
$335American Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 14

Delta flights from Rapid City to Las Vegas

Our best Delta deals on Rapid City to Las Vegas flight tickets
Delta
Jan 31
RAP6:20 amRapid City
7h 34m
1 stop
LAS12:54 pmLas Vegas Harry Reid Intl
Feb 7
LAS6:25 amLas Vegas Harry Reid Intl
7h 49m
1 stop
RAP3:14 pmRapid City
$249
Find similar
Delta
Jan 31
RAP6:20 amRapid City
7h 34m
1 stop
LAS12:54 pmLas Vegas Harry Reid Intl
Feb 7
LAS6:00 amLas Vegas Harry Reid Intl
15h 14m
2 stops
RAP10:14 pmRapid City
$254
Find similar
Delta
Dec 3
RAP11:02 amRapid City
6h 29m
1 stop
LAS4:31 pmLas Vegas Harry Reid Intl
Dec 6
LAS6:05 amLas Vegas Harry Reid Intl
7h 04m
1 stop
RAP2:09 pmRapid City
$279
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Allegiant Air flights from Rapid City to Las Vegas

Our best Allegiant Air deals on Rapid City to Las Vegas flight tickets
Allegiant Air
Nov 6
RAP9:44 pmRapid City
2h 23m
LAS11:07 pmLas Vegas Harry Reid Intl
Nov 9
LAS5:38 pmLas Vegas Harry Reid Intl
2h 16m
RAP8:54 pmRapid City
$144
Find similar
Allegiant Air
Nov 25
RAP10:33 amRapid City
2h 29m
LAS12:02 pmLas Vegas Harry Reid Intl
Nov 29
LAS6:00 amLas Vegas Harry Reid Intl
2h 13m
RAP9:13 amRapid City
$148
Find similar
Allegiant Air
Nov 6
RAP9:44 pmRapid City
2h 23m
LAS11:07 pmLas Vegas Harry Reid Intl
Nov 9
LAS5:38 pmLas Vegas Harry Reid Intl
2h 16m
RAP8:54 pmRapid City
$151
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Rapid City to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 11/6

9:44 pm-11:07 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Sun 11/9

5:38 pm-8:54 pm

Nonstop2h 16m

$144

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 11/25

10:33 am-12:02 pm

Nonstop2h 29m

Las Vegas Harry Reid Intl

Sat 11/29

6:00 am-9:13 am

Nonstop2h 13m

$148

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 11/6

9:44 pm-11:07 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Fri 11/7

9:16 pm-6:26 pm

1 stop20h 10m

$180

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Wed 10/29

12:13 pm-7:17 am

1 stop20h 04m

Las Vegas Harry Reid Intl

Thu 10/30

5:38 pm-8:54 pm

Nonstop2h 16m

$207

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 1/31

6:20 am-12:54 pm

1 stop7h 34m

Las Vegas Harry Reid Intl

Sat 2/7

6:25 am-3:14 pm

1 stop7h 49m

$249

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 1/31

6:20 am-12:54 pm

1 stop7h 34m

Las Vegas Harry Reid Intl

Sat 2/7

6:00 am-10:14 pm

2 stops15h 14m

$254

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 9/30

7:00 am-10:54 am

1 stop4h 54m

Las Vegas Harry Reid Intl

Sat 10/4

9:46 am-5:00 pm

1 stop6h 14m

$259

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Tue 9/30

8:30 am-12:27 pm

1 stop4h 57m

Las Vegas Harry Reid Intl

Sat 10/4

6:00 am-5:00 pm

2 stops10h 00m

$264

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 1/10

12:30 pm-9:01 pm

1 stop9h 31m

Las Vegas Harry Reid Intl

Wed 1/14

1:36 am-11:34 am

1 stop8h 58m

$330

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sat 1/10

12:30 pm-8:06 pm

2 stops8h 36m

Las Vegas Harry Reid Intl

Wed 1/14

1:36 am-11:34 am

1 stop8h 58m

$335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Rapid City to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Rapid City, with most prices found around $160. The month of November is another great option to travel to Las Vegas, with average flight prices from Rapid City averaging around $175.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $143. Flights from Rapid City to Las Vegas on a Wednesday will generally be more expensive and average around $346. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $156. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $238. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Rapid City to Las Vegas Harry Reid Intl flight route?

Fly from Rapid City to Las Vegas Harry Reid Intl for the best Rapid City - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Rapid City when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $258 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Rapid City for as low as $184 on momondo.

What cabin class options are available on Rapid City to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Rapid City to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Rapid City to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Rapid City to Las Vegas.

How have Rapid City to Las Vegas flight prices changed over time?

As of September 2025, prices for Rapid City to Las Vegas flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Rapid City to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rapid City to Las Vegas (RAP to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Las Vegas

Best Price Found

$130

Fastest flight time

2h 19m

Direct flights

Mon, Wed, Thu and Fri

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Rapid City in the past 72 hours is $130. The best round-trip flight deal from Rapid City to Las Vegas found on momondo in the last 72 hours is $165.
The fastest flight from Rapid City to Las Vegas takes 2h 19m
Direct flights go from Rapid City to Las Vegas on Monday, Wednesday, Thursday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • How far is Rapid City to Las Vegas Harry Reid Intl by plane?

    Rapid City and Las Vegas Harry Reid Intl are 830.9 mi apart from one another. In terms of flight time, this usually takes a little over 2h 22m.

  • When did momondo last update prices for flights from Rapid City Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Rapid City Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Rapid City Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Rapid City Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rapid City Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Rapid City to Las Vegas?

  • What is the most popular airline from Rapid City to Las Vegas?

Best airlines flying from Rapid City to Las Vegas

Compare and see reviews for airlines that fly from Rapid City to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $111Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
DeltaPriceFrom $175Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $244Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Las Vegas?

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

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Las Vegas?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rapid City to Las Vegas. momondo saves you time and could save you money on your trip.

Can I find flights from Rapid City to Las Vegas with flexible booking policies on momondo?

All flight searches from Rapid City to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Rapid City to Las Vegas?

Once you have performed a search for Rapid City to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Rapid City to Las Vegas right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Las Vegas from Rapid City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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