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$189+ Cheap flights from Rapid City to Denver (RAP - DEN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — DEN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$189
(United Airlines)

Popular in

February

Cheapest in

June

Average price

$289

Good round-trip deal

$373 or less

Good one-way deal

$237 or less
From Rapid City to Denver Intl
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Highest demand for flights based on searches. 13% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Rapid City to Denver Intl.
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Price to beat on a one-way flight from Rapid City to Denver Intl.
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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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:15 amRAP - DEN
Nonstop1h 33mUnited Airlines
Sun 8/315:26 pmDEN - RAP
Nonstop1h 24mUnited Airlines
Deal found 7/28$189

Cheapflights Fare Finder

 
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 July 29, 2025.
Use the filters below to find and compare flights from Rapid City to Denver that are best for you.

Fly from

Rapid City

Fly to

Denver

Route

Depart

Return

Price

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 8/28

10:15 am-11:48 am

Nonstop1h 33m

Denver Intl

Sun 8/31

5:26 pm-6:50 pm

Nonstop1h 24m

$189

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 8/22

10:15 am-11:48 am

Nonstop1h 33m

$214

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 8/6

10:22 pm-7:37 pm

2 stops21h 15m

$222

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sat 10/11

6:05 am-12:39 pm

1 stop6h 34m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Denver

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 July 29, 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 22% 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 July 29, 2025.

The most flights from RAP to DEN are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

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 July 29, 2025.
Read through reviews of airlines operating flights from Rapid City to Denver, such as Delta, United Airlines, and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 17m for a nonstop flight. There are 9 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 40 times in the past calendar month.

  • What is the cheapest airline to fly from Rapid City to Denver round-trip?

    United Airlines, at $189, was found to be the cheapest airline from Rapid City to Denver.. United Airlines is currently priced 36% 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 $214 on United Airlines. Other airlines that offer cheap prices include Allegiant Air from $222 and Delta from $652 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: United Airlines (66%), SkyWest Airlines (64%), Copa Airlines (39%).

  • 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 $576, our data indicates the cheapest price to be $181. The most popular route (Rapid City - Denver Intl), is priced around $189.

  • 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Greeley
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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Alternative routes for Rapid City to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$291FlexibilityNo cancel feeOn-time69%

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