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 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Rapid City to Las Vegas
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Allegiant Air flights from Rapid City to Las Vegas
Our best Allegiant Air deals on Rapid City to Las Vegas flight tickets
Delta flights from Rapid City to Las Vegas
Our best Delta deals on Rapid City to Las Vegas flight tickets
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 $183.
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 $156. 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 $134. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $229. 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 14 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $264 when searching 14 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 June 2025, prices for Rapid City to Las Vegas flights are approximately 41% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Rapid City to Las Vegas Harry Reid Intl?
Allegiant Air, Sun Country Air, and Delta are the most popular carriers operating from Rapid City to Las Vegas Harry Reid Intl
What airlines fly to Las Vegas?
Allegiant Air, United Airlines and Delta are the top three most popular airlines that fly to Las Vegas from Rapid City according to our data. Allegiant Air is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 4 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.
How many flights depart from Rapid City to Las Vegas on average per week?
As of June 2025, 2 flights take off from Rapid City and land in Las Vegas each week. The most common flight departure day for this route is Thu, with 50% of weekly flights taking off on this day.
When to book flights from Rapid City to Las Vegas
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
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?
The number of operators available for flights from Rapid City Airport to Las Vegas Harry Reid Intl Airport is 4 as of June 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Rapid City to Las Vegas is Airbus A319, representing 93.02% of all bookings. The subsequent popular model is Airbus A320-100/200 at 6.98%.
What is the most popular airline from Rapid City to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from Rapid City to Las Vegas is Allegiant Air, representing 53% of all bookings. The subsequent popular airlines are United Airlines at 39%, Delta at 5%, and American Airlines at 2%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $109 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $205 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.4 8,790 reviews |
Allegiant Air Flights From Rapid City to Las Vegas
Across 2 Allegiant Air flights from Rapid City to Las Vegas this week, the average price was $180, with the best Allegiant Air deals starting from $109 round-trip. 725 users have rated Allegiant Air on momondo, with an average score of 7.3/10.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsWhy 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.