HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$153+ Cheap flights from Rapid City to Denver (RAP - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — DEN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to Denver with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Rapid City to Denver Intl are usually found in April or August, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Rapid City to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$306
(United)

One-way from

$153
(United Airlines)

Popular in

September

Cheapest in

April

Average price

$383

Good round-trip deal

$399 or less

Good one-way deal

$254 or less
Provider with most accurate pricing for Rapid City-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Denver Intl flights.
Search Deals
From Rapid City to Denver Intl
Search Deals
One-way flight from Rapid City to Denver Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Rapid City to Denver Intl.
Search Deals
Price to beat on a one-way flight from Rapid City to Denver Intl.
Search Deals

Find flight deals from Rapid City to Denver

Cheapest flights from Rapid City to Denver
Explore the most affordable flight options available from Rapid City to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:00 amRAP - DEN
Nonstop1h 44mUnited Airlines
Fri 3/217:44 pmDEN - RAP
Nonstop1h 13mUnited Airlines
Deal found 2/20$306
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/216:00 amRAP - DEN
2 stops12h 57mDelta
Sun 8/317:50 pmDEN - RAP
2 stops14h 02mDelta
Deal found 2/19$621

Find flights from Rapid City to Denver within your budget

Customize your flight search to find flights from Rapid City to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Rapid City

Fly to

Denver

Route

Depart

Return

Price

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Tue 3/18

7:00 am-8:44 am

Nonstop1h 44m

Denver Intl

Fri 3/21

7:44 pm-8:57 pm

Nonstop1h 13m

$306

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 3/12

4:16 pm-11:04 pm

1 stop6h 48m

Denver Intl

Sat 3/15

11:01 am-3:36 pm

1 stop4h 35m

$1,243

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sun 3/23

10:45 am-12:31 pm

Nonstop1h 46m

$153

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 2/27

5:36 pm-4:39 pm

2 stops23h 03m

$303

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sun 3/23

5:40 pm-4:40 pm

3 stops23h 00m

$308

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sun 3/23

11:45 am-4:58 pm

1 stop5h 13m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from Rapid City to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Denver in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rapid City-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rapid City to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Rapid City to Denver

Get recent, data-driven insights about flights from Rapid City to Denver including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Rapid City to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Rapid City to Denver. Price data was last updated on February 14, 2025.

The price you pay for your flight from Rapid City to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Rapid City to Denver?

Currently, October is the cheapest month in which you can book a flight from Rapid City to Denver (average of $197). Flying from Rapid City to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RAP to DEN?

Find hourly flight availability from Rapid City to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Rapid City to Denver in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

Weekly flight availability from Rapid City to Denver

Explore weekly flight availability from Rapid City to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2025.

The most flights from RAP to DEN are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated February 20, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Allegiant Air from Rapid City to Denver. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air
7.3
Good
765 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Rapid City to Denver?

    If you book a flight from Rapid City to Denver, you will be flying from Rapid City to Denver Intl. Flights to Denver Intl (DEN) from Rapid City (RAP) take 1h 24m for a nonstop flight. There are 8 flights from Rapid City to Denver per day from 1 airline.

  • How popular is this Rapid City to Denver flight route?

    Flights from Rapid City to Denver Intl have been viewed 56 times in the past calendar month.

  • What are the cheapest airlines flying from Rapid City to Denver round-trip?

    United Airlines, at $306, was found to be the cheapest airline from Rapid City to Denver. An alternate airline flying to your destination would be Delta. United Airlines is currently priced 3% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Rapid City to Denver one-way?

    One-way options have recently been found by users for as low as $153 on United Airlines. Other airlines that offer cheap prices include Allegiant Air from $303 and Delta from $622 one-way.

  • What are the most reliable airlines from Rapid City to Denver?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Rapid City to Denver on time: SkyWest Airlines (72%), Copa Airlines (66%), United Airlines (65%).

  • What are the cheapest flights from Rapid City to Denver?

    Looking for the cheapest flight from Rapid City to Denver? While on average our users pay $627, our data indicates the cheapest price to be $129. The most popular route (Rapid City - Denver Intl), is priced around $259.

  • Can I find deals for flights from Rapid City to Denver that include hotel bookings?

    Yes. In addition to deals on Rapid City to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Denver.

  • Can I find deals for business class flights from Rapid City to Denver?

    Yes. Cheapflights offers flight deals from Rapid City to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rapid City to Denver?

    Currently, October is the cheapest month in which you can book a flight from Rapid City to Denver (average of $197). Flying from Rapid City to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Broomfield
Silverthorne
Golden
Brighton
Keystone
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Greeley
Central City
Copper Mountain
Longmont
Thornton
Limon
Dillon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Denver flights
Watertown to Denver flights
Pierre to Denver flights
Sioux Falls to Colorado Springs flights
Aberdeen to Denver flights

Top airline flying from Rapid City to Denver

Discover the top airline that operate flights from Rapid City to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$217Average$297FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.