C$291 Cheap Flights from Rapid City Regional to Denver International

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Flight deals from Rapid City Regional to Denver International

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

Find the cheapest month to fly from Rapid City Regional to Denver International

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

Direct flights from Rapid City Regional to Denver International

Rapid City Regional to Denver International: Alternative routes

Compare routes from Rapid City Regional to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Rapid City to Denver: Flight information

The things to know before you go.
Cheapest flight foundC$258
Cheapest month to flyJuly
Average flight time1 hr, 32 mins
Most popular airlineUnited
Average flights per week70

Finding cheap flights from Rapid City Regional to Denver International: Frequently asked questions

The best price we found for a round-trip flight from Rapid City Regional to Denver International is C$258. 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.
1 hour and 32 minutes is the average flight time from Rapid City Regional to Denver International.
United, SkyWest Airlines and Copa fly direct from Rapid City Regional to Denver International.
There are 70 flights per week flying from Rapid City Regional to Denver International, as of July 2025.
The cheapest month to fly from Rapid City Regional to Denver International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rapid City Regional Airport to Denver International Airport on Thursday, July 31, 2025.
Yes – the average flight time is 1 hour and 32 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 Denver International 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Denver International.

Flying from Rapid City Regional Airport (RAP) to Denver International Airport (DEN): what you need to know

  • The average time for a direct flight from Rapid City Regional Airport to Denver International Airport is 1 hour 25 minutes.

  • Rapid City and Denver follow the same timezone, UTC-6.

  • Take your pick of 70 weekly Rapid City Regional Airport to Denver International Airport flights. The 05:30 departure with United Airlines is the earliest flight you can take. United Airlines operates the last service of the day at 18:10.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to catch your RAP to DEN flight.

  • Travelling during a peak month like August? School holidays and other high seasons can mean longer queues and delays at security. Play it safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • United Airlines has direct flights from Rapid City Regional Airport to Denver International Airport. Book with this popular carrier, then get ready to discover the sights in Denver — and maybe even more of United States if you have time.

  • The airline that serves the most passengers on this route is United Airlines.

  • United Airlines is the most punctual carrier that offers RAP to DEN flights, with 75.89% of its services landing on time.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Rapid City Regional Airport to Denver International Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to visit your chosen city. Worthwhile stopovers between RAP and DEN include:

    • Minneapolis-St. Paul International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Rapid City Regional Airport (RAP) to Denver International Airport (DEN)

  • C$291 is the best price for a one-way Rapid City Regional Airport to Denver International Airport flight. Return flights start from C$258. These prices can change based on availability.

  • To secure cheap tickets from RAP to DEN, book your trip ten months before your planned departure.

  • September is the cheapest month for flights from Rapid City Regional Airport to Denver International Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Stay on top of deals for cheap flights from RAP to DEN by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare pops up.

  • Secure the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Rapid City Regional Airport to Denver International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about Rapid City Regional Airport (RAP)

  • You'll find RAP at 4550 Terminal Road, Suite 102.

  • 77.55% of flights leaving from Rapid City Regional Airport reach their destination on schedule.

  • Rapid City Regional Airport is about 18 kilometres from central Rapid City. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Booking a night at a hotel can take the hassle out of reaching the airport on time. If you need a place to stay before your flight from Rapid City Regional Airport to Denver International Airport, take a look at La Quinta Inn & Suites by Wyndham Rapid City. It's a short drive from RAP.

Arriving at Denver International Airport (DEN)

  • Consider staying at Baymont by Wyndham Denver International Airport after your Rapid City Regional Airport to Denver International Airport flight. It's a quick drive from DEN and a handy option if you want to catch some z's soon after landing.

  • Travel at your own pace with a Denver International Airport rental car. Pick up a set of wheels from Routes Car Rentals, Dollar or Budget and venture far and wide through Denver and beyond.

  • Secure the lowest price by booking your vehicle from Denver International Airport around one week before your travel date.

Getting from Denver International Airport (DEN) to central Denver

  • DEN is located at 8500 Pena Boulevard.

  • From Denver International Airport, Denver is approximately 40 kilometres away. It takes around 35 minutes to drive to the centre.

  • Getting to the centre by public transport will take you roughly 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • July is the busiest month for flights from Rapid City Regional Airport to Denver International Airport. To escape the crowds, head to Denver in April.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from Rapid City Regional Airport to Denver International Airport in this month if you like this kind of weather.

  • January sees average temperatures of between -9ºC (16ºF) and 7ºC (45ºF). Search for cheap tickets from RAP to DEN sometime around then if you'd rather travel in cooler conditions.

Explore more of United States

  • Colorado Springs is just one of the many cities in United States waiting to be discovered after you've seen Denver. Around 105 kilometres away to the south, check out popular attractions including US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • If you're eager to discover another corner of United States, consider Aurora, roughly 13 kilometres east of Denver. Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc are key reasons to visit.

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