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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 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rapid City to Las Vegas

Cheap round-trip flights

Allegiant Air Logo
9:49 pm - 11:08 pmRAP-LAS
2h 19mnonstop
Allegiant Air Logo
4:21 pm - 7:40 pmLAS-RAP
2h 19mnonstop
$108Allegiant Air
Find Deal
Sun, Aug 10 - Thu, Aug 21
Allegiant Air Logo
9:59 pm - 11:18 pmRAP-LAS
2h 19mnonstop
Allegiant Air Logo
5:44 pm - 8:59 pmLAS-RAP
2h 15mnonstop
$115Allegiant Air
Find Deal
Thu, Jul 31 - Sun, Aug 3
 Logo
9:49 pm - 11:08 pmRAP-LAS
2h 19mnonstop
 Logo
5:45 pm - 4:28 pmLAS-RAP
21h 43m2 stops
Sun, Aug 10 - Sun, Aug 31
American Airlines Logo
4:38 pm - 10:45 pmRAP-LAS
7h 07m1 stop
American Airlines Logo
11:59 pm - 9:55 amLAS-RAP
8h 56m1 stop
$241American Airlines
Find Deal
Thu, Jul 31 - Sun, Aug 3
United Airlines Logo
5:59 pm - 9:59 pmRAP-LAS
5h 00m1 stop
United Airlines Logo
6:00 am - 12:46 pmLAS-RAP
5h 46m1 stop
$245United Airlines
Find Deal
Thu, Jul 31 - Thu, Aug 7
 Logo
9:49 pm - 11:08 pmRAP-LAS
2h 19mnonstop
 Logo
10:36 pm - 4:16 pmLAS-RAP
16h 40m2 stops
Sun, Aug 10 - Thu, Aug 21
Delta Logo
4:30 pm - 11:02 pmRAP-LAS
7h 32m1 stop
Delta Logo
12:40 am - 10:13 amLAS-RAP
8h 33m1 stop
$291Delta
Find Deal
Sun, Aug 3 - Mon, Aug 4
American Airlines Logo
5:00 pm - 10:22 pmRAP-LAS
6h 22m1 stop
American Airlines Logo
10:00 am - 8:53 pmLAS-RAP
9h 53m2 stops
$296American Airlines
Find Deal
Tue, Sep 16 - Sat, Sep 20
United Airlines Logo
5:30 am - 4:11 pmRAP-LAS
11h 41m2 stops
United Airlines Logo
1:29 pm - 8:47 pmLAS-RAP
6h 18m1 stop
$316United Airlines
Find Deal
Thu, Jul 24 - Tue, Jul 29
Delta Logo
4:30 pm - 11:02 pmRAP-LAS
7h 32m1 stop
Delta Logo
1:37 pm - 10:31 pmLAS-RAP
7h 54m1 stop
$320Delta
Find Deal
Sun, Aug 3 - Tue, Aug 5

Allegiant Air flights from Rapid City to Las Vegas

Our best Allegiant Air deals on Rapid City to Las Vegas flight tickets
Allegiant Air
Aug 10
RAP9:49 pmRapid City
2h 19m
LAS11:08 pmLas Vegas Harry Reid Intl
Aug 21
LAS4:21 pmLas Vegas Harry Reid Intl
2h 19m
RAP7:40 pmRapid City
Allegiant Air
Jul 31
RAP9:59 pmRapid City
2h 19m
LAS11:18 pmLas Vegas Harry Reid Intl
Aug 3
LAS5:44 pmLas Vegas Harry Reid Intl
2h 15m
RAP8:59 pmRapid City
Allegiant Air
Aug 10
RAP9:49 pmRapid City
2h 19m
LAS11:08 pmLas Vegas Harry Reid Intl
Aug 31
LAS4:21 pmLas Vegas Harry Reid Intl
2h 19m
RAP7:40 pmRapid City

American Airlines flights from Rapid City to Las Vegas

Our best American Airlines deals on Rapid City to Las Vegas flight tickets
American Airlines
Jul 31
RAP4:38 pmRapid City
7h 07m
1 stop
LAS10:45 pmLas Vegas Harry Reid Intl
Aug 3
LAS11:59 pmLas Vegas Harry Reid Intl
8h 56m
1 stop
RAP9:55 amRapid City
American Airlines
Sep 16
RAP5:00 pmRapid City
6h 22m
1 stop
LAS10:22 pmLas Vegas Harry Reid Intl
Sep 20
LAS10:00 amLas Vegas Harry Reid Intl
9h 53m
2 stops
RAP8:53 pmRapid City
American Airlines
Jul 18
RAP10:26 amRapid City
8h 14m
1 stop
LAS5:40 pmLas Vegas Harry Reid Intl
Jul 21
LAS12:59 amLas Vegas Harry Reid Intl
7h 56m
1 stop
RAP9:55 amRapid City

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 September is, on average, the cheapest month to fly to Las Vegas from Rapid City, with most prices found around $173. The month of October is another great option to travel to Las Vegas, with average flight prices from Rapid City averaging around $182.

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

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $159. Flights from Rapid City to Las Vegas on a Saturday will generally be more expensive and average around $390. 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 morning when flights can be purchased for as low as $142. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $232. 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 $264 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 $230 on momondo.

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

There are 1 cabin classes 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 July 2025, prices for Rapid City to Las Vegas flights are approximately 18% cheaper 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

$54

Fastest flight time

2h 19m

Direct flights

Mon, Thu, Fri and Sat

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Rapid City in the past 72 hours is $54. The best round-trip flight deal from Rapid City to Las Vegas found on momondo in the last 72 hours is $108.
The fastest flight from Rapid City to Las Vegas takes 2h 19m
Direct flights go from Rapid City to Las Vegas on Monday, Thursday, Friday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • 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 19m.

  • 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 $112Free CancellationRating
7.2
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $205Free CancellationRating
8.0
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
  • Allegiant Air Flights From Rapid City to Las Vegas

    Across 1 Allegiant Air flight from Rapid City to Las Vegas this week, the average price was $177, with the best Allegiant Air deals starting from $112 round-trip. 708 users have rated Allegiant Air on momondo, with an average score of 7.2/10.


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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1 adult
Tue 7/8
Tue 7/15

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