Cheap Flights from Denver (APA) to Rapid City (RAP)

Popular airlines from Denver, CO (APA-Centennial) to Rapid City Regional Airport (RAP)

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Find available prices by choosing your travel dates.
Flights from Denver (APA) to Rapid City (RAP)
Origin airport
Centennial
Destination airport
Rapid City Regional
Distance
322 mi

Denver to Rapid City Flights

The cheapest times to fly from Denver 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 Denver to Rapid City are during the month of . You can find some of the cheapest flights from Denver to Rapid City with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Denver to Rapid City

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Denver 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 Denver 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 Centennial Airport (APA) to Rapid City Regional Airport (RAP) cost?
Discover the latest flight deals from APA 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 APA to RAP?
The cheapest flights from APA 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.
Which airlines fly direct from Centennial Airport (APA) to Rapid City Regional Airport (RAP)?
You can’t catch a direct flight from Denver, CO (APA-Centennial) to Rapid City Regional Airport (RAP). However, you can easily travel to Rapid City without any layovers by taking off from Denver Intl. Airport (DEN).
What is the cheapest airline that flies from APA to RAP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from APA to RAP. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Centennial Airport (APA) to Rapid City Regional Airport (RAP)?
Direct flights from Centennial Airport (APA) to Rapid City Regional Airport (RAP) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from APA to RAP?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Centennial Airport (APA) to Rapid City Regional Airport (RAP)?
To avoid possible delays on the Centennial Airport (APA) to Rapid City Regional Airport (RAP) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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.
Is it cheaper to buy a plane ticket from Centennial Airport (APA) to Rapid City Regional Airport (RAP) last-minute?
Booking your plane ticket from APA to RAP shortly before your getaway is usually more expensive. However, if you’re flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book an APA to RAP flight and hotel package?
Compared with arranging flights and hotels separately, booking an APA to RAP flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Centennial Airport (APA) to Rapid City Regional Airport (RAP)?
It’s usually possible to reschedule or cancel your APA to RAP flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.