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Cheap flights from Rapid City to Las Vegas from $68

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 1/18. 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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0 bags

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Find the cheapest flights from Rapid City to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:10 pm - 11:33 pm
RAP
-
LAS
2h 23mnonstop
Allegiant Air Logo
6:02 pm - 9:20 pm
LAS
-
RAP
2h 18mnonstop
$128Allegiant Air
Sun, Jan 18 - Thu, Jan 22
Allegiant Air Logo
10:10 pm - 11:33 pm
RAP
-
LAS
2h 23mnonstop
Allegiant Air Logo
6:02 pm - 9:20 pm
LAS
-
RAP
2h 18mnonstop
$138Allegiant Air
Thu, Jan 8 - Thu, Jan 15
Allegiant Air Logo
10:10 pm - 11:33 pm
RAP
-
LAS
2h 23mnonstop
Allegiant Air Logo
6:02 pm - 9:20 pm
LAS
-
RAP
2h 18mnonstop
$142Allegiant Air
Thu, Jan 15 - Thu, Jan 22
Allegiant Air Logo
10:10 pm - 11:33 pm
RAP
-
LAS
2h 23mnonstop
Allegiant Air Logo
6:02 pm - 9:20 pm
LAS
-
RAP
2h 18mnonstop
$158Allegiant Air
Thu, Jan 15 - Sun, Jan 18
Allegiant Air Logo
5:42 pm - 7:13 pm
RAP
-
LAS
2h 31mnonstop
Allegiant Air Logo
1:40 pm - 4:52 pm
LAS
-
RAP
2h 12mnonstop
$159Allegiant Air
Sun, Feb 15 - Thu, Feb 19
Multiple Airlines Logo
5:42 pm - 7:13 pm
RAP
-
LAS
2h 31mnonstop
Multiple Airlines Logo
10:59 am - 11:15 am
LAS
-
RAP
23h 16m1 stop
$200Multiple Airlines
Sun, Feb 15 - Thu, Feb 19
Multiple Airlines Logo
2:42 pm - 10:51 pm
RAP
-
LAS
9h 09m1 stop
Multiple Airlines Logo
1:40 pm - 4:52 pm
LAS
-
RAP
2h 12mnonstop
$211Multiple Airlines
Mon, Feb 16 - Thu, Feb 19
Multiple Airlines Logo
5:42 pm - 7:13 pm
RAP
-
LAS
2h 31mnonstop
Multiple Airlines Logo
2:28 pm - 11:15 am
LAS
-
RAP
19h 47m2 stops
$232Multiple Airlines
Sun, Feb 15 - Thu, Feb 19
Delta Logo
10:54 am - 5:24 pm
RAP
-
LAS
7h 30m1 stop
Delta Logo
2:05 pm - 10:28 pm
LAS
-
RAP
7h 23m1 stop
$261Delta
Fri, Feb 6 - Tue, Feb 10
Delta Logo
6:00 am - 11:07 am
RAP
-
LAS
6h 07m1 stop
Delta Logo
6:15 am - 3:25 pm
LAS
-
RAP
8h 10m1 stop
$265Delta
Thu, Jan 8 - Thu, Jan 15

Allegiant Air flights from Rapid City to Las Vegas

Our best Allegiant Air deals on Rapid City to Las Vegas flight tickets
Allegiant Air
Jan 18
RAP10:10 pmRapid City
2h 23m
LAS11:33 pmLas Vegas Harry Reid Intl
Jan 22
LAS6:02 pmLas Vegas Harry Reid Intl
2h 18m
RAP9:20 pmRapid City
$128
Find similar
Allegiant Air
Jan 8
RAP10:10 pmRapid City
2h 23m
LAS11:33 pmLas Vegas Harry Reid Intl
Jan 15
LAS6:02 pmLas Vegas Harry Reid Intl
2h 18m
RAP9:20 pmRapid City
$138
Find similar
Allegiant Air
Jan 15
RAP10:10 pmRapid City
2h 23m
LAS11:33 pmLas Vegas Harry Reid Intl
Jan 22
LAS6:02 pmLas Vegas Harry Reid Intl
2h 18m
RAP9:20 pmRapid City
$142
Find similar

Delta flights from Rapid City to Las Vegas

Our best Delta deals on Rapid City to Las Vegas flight tickets
Delta
Jan 8
RAP6:00 amRapid City
6h 07m
1 stop
LAS11:07 amLas Vegas Harry Reid Intl
Jan 15
LAS6:15 amLas Vegas Harry Reid Intl
8h 10m
1 stop
RAP3:25 pmRapid City
$265
Find similar
Delta
Jan 17
RAP10:54 amRapid City
12h 16m
2 stops
LAS10:10 pmLas Vegas Harry Reid Intl
Jan 20
LAS6:15 amLas Vegas Harry Reid Intl
8h 10m
1 stop
RAP3:25 pmRapid City
$270
Find similar
Delta
Feb 6
RAP10:54 amRapid City
12h 26m
2 stops
LAS10:20 pmLas Vegas Harry Reid Intl
Feb 10
LAS7:59 pmLas Vegas Harry Reid Intl
13h 12m
2 stops
RAP10:11 amRapid City
$271
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 December 18, 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

Sun 1/18

10:10 pm-11:33 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Thu 1/22

6:02 pm-9:20 pm

Nonstop2h 18m

$128

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/8

10:10 pm-11:33 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Thu 1/15

6:02 pm-9:20 pm

Nonstop2h 18m

$138

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/15

10:10 pm-11:33 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Thu 1/22

6:02 pm-9:20 pm

Nonstop2h 18m

$142

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/15

10:10 pm-11:33 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Sun 1/18

6:02 pm-9:20 pm

Nonstop2h 18m

$158

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sun 2/15

5:42 pm-7:13 pm

Nonstop2h 31m

Las Vegas Harry Reid Intl

Thu 2/19

1:40 pm-4:52 pm

Nonstop2h 12m

$159

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sun 2/15

5:42 pm-7:13 pm

Nonstop2h 31m

Las Vegas Harry Reid Intl

Thu 2/19

10:59 am-11:15 am

1 stop23h 16m

$200

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Mon 2/16

2:42 pm-10:51 pm

1 stop9h 09m

Las Vegas Harry Reid Intl

Thu 2/19

1:40 pm-4:52 pm

Nonstop2h 12m

$211

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Sun 2/15

5:42 pm-7:13 pm

Nonstop2h 31m

Las Vegas Harry Reid Intl

Thu 2/19

2:28 pm-11:15 am

2 stops19h 47m

$232

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Fri 2/6

10:54 am-5:24 pm

1 stop7h 30m

Las Vegas Harry Reid Intl

Tue 2/10

2:05 pm-10:28 pm

1 stop7h 23m

$261

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/8

6:00 am-11:07 am

1 stop6h 07m

Las Vegas Harry Reid Intl

Thu 1/15

6:15 am-3:25 pm

1 stop8h 10m

$265

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 September is another great option to travel to Las Vegas, with average flight prices from Rapid City averaging around $206.

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 $387. 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 $152. Flights to Las Vegas are more costly in the morning, with an average ticket price of $387. Departure times in the morning 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 $273 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 December 2025, prices for Rapid City to Las Vegas flights are approximately 10% 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

$156

Fastest flight time

2h 17m

Direct flights

Mon 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 $156. The best round-trip flight deal from Rapid City to Las Vegas found on momondo in the last 72 hours is $136.
The fastest flight from Rapid City to Las Vegas takes 2h 17m
Direct flights go from Rapid City to Las Vegas on Monday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Las Vegas. From Rapid City there are direct flights to 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 17m.

  • 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 $115Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
DeltaPriceFrom $175Free CancellationRating
7.9
8,006 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,093 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
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
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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