What is the cheapest airline that flies from Rapid City to Denver Intl?

United Airlines, Allegiant Air, and Delta are the most popular carriers operating from Rapid City to Denver Intl

How many flights depart from Rapid City to Denver on average per day?

The number of flights available between Rapid City and Denver is 8 per day as of August 2025. The most frequent departure time is 5:00PM, with 50% of daily flights leaving in the afternoon.

How many flights depart from Rapid City to Denver on average per week?

56 flights are operational weekly from Rapid City to Denver as of August 2025. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

When did momondo last update prices for flights from Rapid City Airport to Denver Intl Airport?

Prices for flights from Rapid City Airport to Denver Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Rapid City Airport to Denver Intl Airport?

As of August 2025, there is 1 operator available to choose from for flights from Rapid City Airport to Denver Intl Airport.

How old do you have to be to fly from Rapid City Airport to Denver Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rapid City Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$189 Cheap Flights from Rapid City to Denver (RAP-DEN) in 2025

Q: What is the typical price of a round-trip flight between Rapid City and Denver?

Prices are currently low for flights on this route. Typical prices usually range from $249 to $304. The lowest price recently found on this route was $189.

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Find the cheapest flights from Rapid City to Denver (RAP-DEN)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:30 am - 6:53 amRAP-DEN

1h 23mnonstop

5:26 pm - 6:50 pmDEN-RAP

1h 24mnonstop

$189United Airlines

Find Deal

Fri, Sep 5 - Mon, Sep 8

5:30 am - 6:53 amRAP-DEN

1h 23mnonstop

7:45 am - 9:05 amDEN-RAP

1h 20mnonstop

$219United Airlines

Find Deal

Thu, Sep 18 - Tue, Sep 23

7:00 am - 8:17 amRAP-DEN

1h 17mnonstop

7:20 pm - 8:34 pmDEN-RAP

1h 14mnonstop

$249United Airlines

Find Deal

Fri, Sep 26 - Mon, Sep 29

5:15 am - 6:55 amRAP-DEN

1h 40mnonstop

7:12 pm - 8:26 pmDEN-RAP

1h 14mnonstop

$254United Airlines

Find Deal

Thu, Nov 27 - Sun, Nov 30

8:32 am - 10:04 amRAP-DEN

1h 32mnonstop

10:11 am - 11:32 amDEN-RAP

1h 21mnonstop

$259United Airlines

Find Deal

Thu, Aug 28 - Sun, Aug 31

7:00 am - 8:17 amRAP-DEN

1h 17mnonstop

5:27 pm - 6:40 pmDEN-RAP

1h 13mnonstop

$279United Airlines

Find Deal

Sun, Sep 28 - Sun, Oct 5

7:00 am - 8:17 amRAP-DEN

1h 17mnonstop

8:48 pm - 9:59 pmDEN-RAP

1h 11mnonstop

$284United Airlines

Find Deal

Wed, Aug 27 - Sat, Aug 30

3:19 pm - 4:51 pmRAP-DEN

1h 32mnonstop

7:48 am - 9:10 amDEN-RAP

1h 22mnonstop

$317United Airlines

Find Deal

Tue, Sep 23 - Fri, Sep 26

1:02 pm - 11:16 pmRAP-DEN

10h 14m1 stop

10:00 am - 4:49 pmDEN-RAP

6h 49m1 stop

$320

Find Deal

Fri, Sep 5 - Sun, Sep 7

1:02 pm - 11:16 pmRAP-DEN

10h 14m1 stop

10:44 pm - 4:49 pmDEN-RAP

42h 05m2 stops

$407

Find Deal

Mon, Sep 22 - Fri, Sep 26

United Airlines flights from Rapid City to Denver

Our best United Airlines deals on Rapid City to Denver flight tickets

United Airlines

Sep 5

RAP5:30 amRapid City

1h 23m

DEN6:53 amDenver Intl

Sep 8

DEN5:26 pmDenver Intl

1h 24m

RAP6:50 pmRapid City

$189

Find similar

United Airlines

Sep 18

RAP5:30 amRapid City

1h 23m

DEN6:53 amDenver Intl

Sep 23

DEN7:45 amDenver Intl

1h 20m

RAP9:05 amRapid City

$219

Find similar

United Airlines

Sep 26

RAP7:00 amRapid City

1h 17m

DEN8:17 amDenver Intl

Sep 29

DEN7:20 pmDenver Intl

1h 14m

RAP8:34 pmRapid City

$249

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 9/5

5:30 am-6:53 am

Nonstop1h 23m

Denver Intl

Mon 9/8

5:26 pm-6:50 pm

Nonstop1h 24m

$189

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 9/18

5:30 am-6:53 am

Nonstop1h 23m

Denver Intl

Tue 9/23

7:45 am-9:05 am

Nonstop1h 20m

$219

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 9/26

7:00 am-8:17 am

Nonstop1h 17m

Denver Intl

Mon 9/29

7:20 pm-8:34 pm

Nonstop1h 14m

$249

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 11/27

5:15 am-6:55 am

Nonstop1h 40m

Denver Intl

Sun 11/30

7:12 pm-8:26 pm

Nonstop1h 14m

$254

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 8/28

8:32 am-10:04 am

Nonstop1h 32m

Denver Intl

Sun 8/31

10:11 am-11:32 am

Nonstop1h 21m

$259

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sun 9/28

7:00 am-8:17 am

Nonstop1h 17m

Denver Intl

Sun 10/5

5:27 pm-6:40 pm

Nonstop1h 13m

$279

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 8/27

7:00 am-8:17 am

Nonstop1h 17m

Denver Intl

Sat 8/30

8:48 pm-9:59 pm

Nonstop1h 11m

$284

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Tue 9/23

3:19 pm-4:51 pm

Nonstop1h 32m

Denver Intl

Fri 9/26

7:48 am-9:10 am

Nonstop1h 22m

$317

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 9/5

1:02 pm-11:16 pm

1 stop10h 14m

Denver Intl

Sun 9/7

10:00 am-4:49 pm

1 stop6h 49m

$320

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Mon 9/22

1:02 pm-11:16 pm

1 stop10h 14m

Denver Intl

Fri 9/26

10:44 pm-4:49 pm

2 stops42h 05m

$407

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rapid City to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Rapid City and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Rapid City is in June. Flight prices, which tend to average around $239, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in June, then you should wait until October to fly from Rapid City, when ticket prices are also cheap, with an average price of $249.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $459. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $578.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $464. Flights at noon are often more expensive with an average ticket price of $587.

What is the cheapest Rapid City to Denver Intl flight route?

Fly from Rapid City to Denver Intl for the best Rapid City - Denver Intl flight prices

What cabin class options are available on Rapid City to Denver Intl flights?

There are 4 cabin classes available to choose from on Rapid City to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Rapid City to Denver flight prices changed over time?

As of August 2025, prices for Rapid City to Denver flights are approximately 35% cheaper when compared to flights at the same time last year.

When to book flights from Rapid City to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Rapid City to Denver (RAP to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Denver

Best Price Found	$214
Fastest flight time	1h 17m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Rapid City in the past 72 hours is $214. The best round-trip flight deal from Rapid City to Denver found on momondo in the last 72 hours is $189.

The fastest flight from Rapid City to Denver takes 1h 17m

Direct flights go from Rapid City to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

How far is Rapid City to Denver Intl by plane?
A flight from Rapid City to Denver Intl will travel around 313.0 mi. By plane, this route typically takes 1h 17m.
When did momondo last update prices for flights from Rapid City Airport to Denver Intl Airport?
Prices for flights from Rapid City Airport to Denver Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Rapid City Airport to Denver Intl Airport?
As of August 2025, there is 1 operator available to choose from for flights from Rapid City Airport to Denver Intl Airport.
How old do you have to be to fly from Rapid City Airport to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rapid City Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Rapid City to Denver?
Based on momondo bookings for flights between Rapid City and Denver, the leading plane model is Airbus A320-100/200, making up 23.18% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 17.60%, Canadair (Bombardier) Regional Jet with 17.60%, and Airbus A319 with 12.45%.
What is the most popular airline from Rapid City to Denver?
momondo data reveals that the most frequently booked airline on the route from Rapid City to Denver is United Airlines, representing 100% of all bookings.

Best airlines flying from Rapid City to Denver

Compare and see reviews for airlines that fly from Rapid City to Denver with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 8,916 reviews		Search United Airlines flights

United Airlines Flights From Rapid City to Denver
The lowest priced United Airlines flight from Rapid City to Denver from the last 72 hours was $189. Generally, United Airlines has 52 flights on this route every week with an average price of $292. United Airlines is rated 7.4/10 by our users.

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Centennial

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Denver?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to Denver for you.

Can I find flights from Rapid City to Denver with flexible booking policies on momondo?

Flights from Rapid City to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rapid City to Denver?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Rapid City.

I’m not ready to book a flight from Rapid City to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Rapid City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Denver trip

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Cheap flights from Rapid City to Denver from $189

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Denver departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Rapid City to Denver (RAP-DEN)

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United Airlines flights from Rapid City to Denver

Our best United Airlines deals on Rapid City to Denver flight tickets

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How to get the cheapest flight ticket from Rapid City to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Rapid City and Denver?

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $459. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $578.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $464. Flights at noon are often more expensive with an average ticket price of $587.

What is the cheapest Rapid City to Denver Intl flight route?

Fly from Rapid City to Denver Intl for the best Rapid City - Denver Intl flight prices

What cabin class options are available on Rapid City to Denver Intl flights?

There are 4 cabin classes available to choose from on Rapid City to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Rapid City to Denver flight prices changed over time?

As of August 2025, prices for Rapid City to Denver flights are approximately 35% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Rapid City to Denver Intl?

United Airlines, Allegiant Air, and Delta are the most popular carriers operating from Rapid City to Denver Intl

How many flights depart from Rapid City to Denver on average per day?

The number of flights available between Rapid City and Denver is 8 per day as of August 2025. The most frequent departure time is 5:00PM, with 50% of daily flights leaving in the afternoon.

How many flights depart from Rapid City to Denver on average per week?

56 flights are operational weekly from Rapid City to Denver as of August 2025. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

When to book flights from Rapid City to Denver

Cheap Rapid City to Denver (RAP to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Denver

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

How far is Rapid City to Denver Intl by plane?

When did momondo last update prices for flights from Rapid City Airport to Denver Intl Airport?

How many operators does momondo search for flights from Rapid City Airport to Denver Intl Airport?

How old do you have to be to fly from Rapid City Airport to Denver Intl Airport?

What documentation or ID do you need to fly to Denver Intl Airport?

What is the most popular plane model from Rapid City to Denver?

What is the most popular airline from Rapid City to Denver?

Best airlines flying from Rapid City to Denver

Compare and see reviews for airlines that fly from Rapid City to Denver with momondo

United Airlines Flights From Rapid City to Denver

Traveling to a place near Denver?

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Denver?

Can I find flights from Rapid City to Denver with flexible booking policies on momondo?

How can momondo help me find flights from Rapid City to Denver?

I’m not ready to book a flight from Rapid City to Denver right now. Can momondo alert me if prices change?

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Colorado