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$123+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$123
(Mytrip)

Popular in

February

Cheapest in

August

Average price

$259

Good round-trip deal

$342 or less

Good one-way deal

$259 or less
From Rapid City to Denver Intl
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One-way flight from Rapid City to Denver Intl
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Highest demand for flights based on searches. 13% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/189:42 amRAP - DEN
Nonstop1h 33mUnited Airlines
Mon 7/213:45 pmDEN - RAP
Nonstop1h 27mUnited Airlines
Deal found 6/11$189
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:21 pmRAP - DEN
1 stop22h 46mSun Country Air
Mon 8/119:56 amDEN - RAP
1 stop6h 37mSun Country Air
Deal found 6/10$274
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/91:36 pmRAP - DEN
2 stops30h 01mMultiple Airlines
Mon 8/119:56 amDEN - RAP
1 stop6h 37mMultiple Airlines
Deal found 6/10$306
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/289:54 amRAP - DEN
2 stops23h 07mAllegiant Air
Sun 6/293:20 pmDEN - RAP
2 stops24h 29mAllegiant Air
Deal found 6/11$766

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 June 12, 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

Fri 7/18

9:42 am-11:15 am

Nonstop1h 33m

Denver Intl

Mon 7/21

3:45 pm-5:12 pm

Nonstop1h 27m

$189

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 8/8

5:21 pm-4:07 pm

1 stop22h 46m

Denver Intl

Mon 8/11

9:56 am-4:33 pm

1 stop6h 37m

$274

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sat 8/9

1:36 pm-7:37 pm

2 stops30h 01m

Denver Intl

Mon 8/11

9:56 am-4:33 pm

1 stop6h 37m

$306

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 7/3

6:14 pm-4:37 pm

1 stop22h 23m

Denver Intl

Sun 7/6

5:00 am-4:08 pm

1 stop11h 08m

$649

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sat 6/28

9:54 am-9:01 am

2 stops23h 07m

Denver Intl

Sun 6/29

3:20 pm-3:49 pm

2 stops24h 29m

$766

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Tue 6/24

6:35 am-12:45 pm

1 stop6h 10m

Denver Intl

Wed 7/2

4:10 pm-10:31 pm

1 stop6h 21m

$1,401

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 8/22

5:16 pm-9:03 am

1 stop15h 47m

$123

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 8/21

8:30 pm-5:25 pm

2 stops20h 55m

$202

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 8/21

8:30 pm-3:45 pm

2 stops19h 15m

$203

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 7/2

3:25 pm-5:00 pm

Nonstop1h 35m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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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 June 12, 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 21% 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 June 12, 2025.

The most flights from RAP to DEN are scheduled on a Wednesday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 16m 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 45 times in the past calendar month.

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

    United Airlines, at $189, was found to be the cheapest airline from Rapid City to Denver.Alternate airlines to your destination round-trip include Sun Country Air and Allegiant Air. 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 $123 on Sun Country Air. Other airlines that offer cheap prices include Allegiant Air from $203 and United Airlines from $213 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 (74%), United Airlines (73%), Copa Airlines (59%).

  • 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 $430, our data indicates the cheapest price to be $205. 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 Rapid City?

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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$290FlexibilityNo cancel feeOn-time69%

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