$139 Cheap Flights from Las Vegas (LAS) to Rapid City (RAP)

View $139 flight on Thu, Jul 17, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP)

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Find available prices by choosing your travel dates.

Cheap Flights from Las Vegas to Rapid City (LAS-RAP)

Prices were available within the past 7 days and start at $139 for one-way flights and $243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jul 12 - Sun, Jul 13
LAS
Las Vegas
RAP
Rapid City
$243 Roundtrip, found 3 days ago
$243
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jul 12 from Las Vegas to Rapid City, returning Sun, Jul 13, priced at $243 found 3 days ago
Delta
Thu, Jul 10 - Sun, Jul 13
LAS
Las Vegas
RAP
Rapid City
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Delta flight, departing Thu, Jul 10 from Las Vegas to Rapid City, returning Sun, Jul 13, priced at $249 just found
United
Wed, Jul 23 - Wed, Jul 30
LAS
Las Vegas
RAP
Rapid City
$249 Roundtrip, just found
$249
Roundtrip
just found
Select United flight, departing Wed, Jul 23 from Las Vegas to Rapid City, returning Wed, Jul 30, priced at $249 just found
American Airlines
Thu, May 8 - Wed, May 14
LAS
Las Vegas
RAP
Rapid City
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, May 8 from Las Vegas to Rapid City, returning Wed, May 14, priced at $254 found 1 day ago
United
Wed, Jul 23 - Wed, Jul 30
LAS
Las Vegas
RAP
Rapid City
$254 Roundtrip, just found
$254
Roundtrip
just found
Select United flight, departing Wed, Jul 23 from Las Vegas to Rapid City, returning Wed, Jul 30, priced at $254 just found
United
Wed, Jul 23 - Wed, Jul 30
LAS
Las Vegas
RAP
Rapid City
$259 Roundtrip, just found
$259
Roundtrip
just found
Select United flight, departing Wed, Jul 23 from Las Vegas to Rapid City, returning Wed, Jul 30, priced at $259 just found
American Airlines
Sun, May 4 - Sun, May 11
LAS
Las Vegas
RAP
Rapid City
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, May 4 from Las Vegas to Rapid City, returning Sun, May 11, priced at $259 found 3 days ago
United
Tue, Jun 17 - Tue, Jun 24
LAS
Las Vegas
RAP
Rapid City
$261 Roundtrip, found 7 hours ago
$261
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Jun 17 from Las Vegas to Rapid City, returning Tue, Jun 24, priced at $261 found 7 hours ago
United
Tue, Jun 17 - Tue, Jun 24
LAS
Las Vegas
RAP
Rapid City
$264 Roundtrip, found 7 hours ago
$264
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Jun 17 from Las Vegas to Rapid City, returning Tue, Jun 24, priced at $264 found 7 hours ago
United
Wed, Jul 23 - Wed, Jul 30
LAS
Las Vegas
RAP
Rapid City
$266 Roundtrip, just found
$266
Roundtrip
just found
Select United flight, departing Wed, Jul 23 from Las Vegas to Rapid City, returning Wed, Jul 30, priced at $266 just found
Flights from Las Vegas (LAS) to Rapid City (RAP)
Origin airport
Harry Reid Intl.
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$243
Distance
841 mi

Las Vegas to Rapid City Flights

The cheapest times to fly from Las Vegas to Rapid City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to Rapid City are during the month of July. You can find some of the cheapest flights from Las Vegas to Rapid City with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Las Vegas to Rapid City

Sunday is one of the best days to book for cheap flights from Las Vegas to Rapid City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Las Vegas to Rapid City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to Rapid City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to Rapid City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP) cost?
Discover the latest flight deals from LAS to RAP by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LAS to RAP?
The cheapest flights from LAS to RAP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from LAS to RAP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from LAS to RAP. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP)?
On average, you can pick from 2 direct flights each week from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP). To expand your choices, consider a flight with a layover. Simply enter your details on Expedia and then filter your search to show one or two stops.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP)?
More people fly between LAS and RAP at 5 PM than at any other point in the day. Rather skip the crowds? Travel outside of rush hours and you’re likely to save on your ticket as well.
What day of the week has the most flights from LAS to RAP?
Sunday has the most flights from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP). Consider traveling on this day and you’ll have the best chance of finding a schedule that works for you.
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP)?
The earliest flight departing from Harry Reid Intl. Airport (LAS) is at around 5:57PM UTC-8. Hop on this flight and you’ll reach Rapid City Regional Airport (RAP) at approximately 9:18PM UTC-7. The overall travel time is 2h 21m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP)?
It takes around 2 hours and 21 minutes to cover the 840 mi from LAS to RAP.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP)?
Opt for a flight from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Rapid City from Harry Reid Intl. Airport (LAS)?
Check out your flight options from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP). This is the only airport in Rapid City you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP) last-minute?
Booking your plane ticket from LAS to RAP just before your getaway is generally more expensive. However, if there’s some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a LAS to RAP flight and hotel package?
You can save money by booking a LAS to RAP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. Once you’ve chosen your preferred accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Rapid City Regional Airport (RAP)?
It’s usually possible to reschedule or cancel your LAS to RAP flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.