Cheap flight tickets from Rapid City Regional to Las Vegas

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Flight deals from Rapid City Regional to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Rapid City Regional to Las Vegas? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Rapid City Regional to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rapid City Regional to Las Vegas flights are currently cheapest in March.

Direct flights from Rapid City Regional to Las Vegas

Alternative Rapid City Regional to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Rapid City Regional to Las Vegas? You could fly into the following airports instead.

Rapid City to Las Vegas: Flight information

The things to know before you go.
Cheapest flight foundRM454
Cheapest month to flyMarch
Average flight time2 hrs, 26 mins
Most popular airlineAllegiant Air
Average flights per week2

Finding cheap flights from Rapid City Regional to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Rapid City Regional to Las Vegas is RM454. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 26 minutes is the average flight time from Rapid City Regional to Las Vegas.
Allegiant Air flies direct from Rapid City Regional to Las Vegas.
As of February 2026, there are 2 flights per week flying from Rapid City Regional to Las Vegas.
The cheapest month to fly from Rapid City Regional to Las Vegas is usually March.
If you're flying from Rapid City Regional Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from RM454.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rapid City Regional Airport to Las Vegas on Sunday, 8 March 2026.
Yes – the average flight time is 2 hours and 26 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 8°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Allegiant Air offers the cheapest flight tickets to Las Vegas.

Travelling from Rapid City Regional Airport (RAP) to Las Vegas: what you need to know

  • Expect to be in the air for 2 hours 20 minutes. That's the average time for a direct flight from Rapid City Regional Airport to Las Vegas.

  • The timezone in Las Vegas is UTC-7. The city is one hour behind Rapid City, where Rapid City Regional Airport is located.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your RAP to Las Vegas flight.

  • Taking off during a peak time like a bank holiday? Expect longer queues at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Begin your journey at RAP and fly nonstop to Harry Reid Airport (formerly McCarran Airport) (LAS). That's where you can expect to land when searching for Rapid City Regional Airport to Las Vegas tickets.

  • Book your seat with Allegiant Air. This popular airline offers direct flights from Rapid City Regional Airport to Las Vegas.

  • Central Rapid City to RAP is around 14 kilometres. Depending on traffic conditions, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Of all flights departing from Rapid City Regional Airport, 77.55% touch down on time at their destination.

  • RAP is located at 4550 Terminal Road, Suite 102.

How to find the cheapest flights from Rapid City Regional Airport (RAP) to Las Vegas

  • RM213 is the lowest price we've seen for a one-way Rapid City Regional Airport to Las Vegas flight. A return ticket right now is RM454. Depending on when you want to go and the availability, these fares may change.

  • Lock in cheap flights from RAP to Las Vegas by booking two months ahead. According to our research, that's the best time for picking up a bargain.

  • June is the best month for landing an awesome deal on Rapid City Regional Airport to Las Vegas tickets. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Snapping up a cheap flight from RAP to Las Vegas couldn't be easier with Price Alerts. All you need to do is set up one of these automatic notifications and we'll notify you when a better deal is available.

  • Save on your flight from Rapid City Regional Airport to Las Vegas with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is around 19 kilometres from central Las Vegas. If you're catching a cab or a ride-share, the drive will take roughly 15 minutes.

  • It'll take around 1 hour when travelling by public transport.

  • If you're arriving on a late flight from Rapid City Regional Airport to Las Vegas, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near LAS:

  • Go wherever you want, whenever you want with a Harry Reid Airport (formerly McCarran Airport) rental car. Pick up a set of wheels from Dollar, Thrifty or Alamo and chase adventure across Las Vegas and beyond.

  • Lock in the best deal by reserving your vehicle from Harry Reid Airport (formerly McCarran Airport) around one week before your flight from RAP to Las Vegas.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Carefully consider your trip dates before booking your flight from Rapid City Regional Airport to Las Vegas. The city buzzes during peak season, but hotel rates are often higher and top attractions can be busy. Visit Las Vegas in the off-season if you want a more relaxed vibe.

  • Before booking a Rapid City Regional Airport to Las Vegas flight ticket, think about what kind of weather you prefer. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 42ºC (108ºF).

  • If you like cooler conditions, look for a cheap ticket from RAP to Las Vegas in January when temperatures average between -1ºC (30ºF) and 13ºC (55ºF).

More about Las Vegas

  • Once you've booked your flight from Rapid City Regional Airport to Las Vegas, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Las Vegas:

  • There are so many things to explore in this city it can be hard to figure out where to start. Fountains of Bellagio, Las Vegas Strip and Fremont Street Experience are popular attractions which should feature on any good Las Vegas itinerary.

Explore more of United States

  • You've seen Las Vegas, now it's time to discover other corners of United States. Journey about 370 kilometres south-west to Los Angeles to check off its must-visit sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, there's plenty to keep you on the go.

  • Around 418 kilometres south-east of Las Vegas, Phoenix is another favourite stop in United States. Experience this destination's highlights firsthand at Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.