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Cheap flights from Rapid City to Denver from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Denver departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Rapid City to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:57 pm - 8:58 pm
RAP
-
DEN
27h 01m
2 stops
Multiple Airlines Logo
10:29 pm - 5:07 pm
DEN
-
RAP
18h 38m
1 stop
$248Multiple Airlines
Sun, May 3 - Wed, May 6
United Airlines Logo
8:25 am - 10:05 am
RAP
-
DEN
1h 40mnonstop
United Airlines Logo
9:10 pm - 10:25 pm
DEN
-
RAP
1h 15mnonstop
$249United Airlines
Fri, May 15 - Wed, May 27
United Airlines Logo
2:47 pm - 4:20 pm
RAP
-
DEN
1h 33mnonstop
United Airlines Logo
8:00 am - 9:23 am
DEN
-
RAP
1h 23mnonstop
$279United Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
5:57 pm - 9:05 am
RAP
-
DEN
15h 08m
1 stop
Multiple Airlines Logo
6:10 am - 5:07 pm
DEN
-
RAP
10h 57m
1 stop
$284Multiple Airlines
Thu, Apr 30 - Thu, May 7
United Airlines Logo
1:00 pm - 2:32 pm
RAP
-
DEN
1h 32mnonstop
United Airlines Logo
3:35 pm - 5:00 pm
DEN
-
RAP
1h 25mnonstop
$318United Airlines
Wed, May 13 - Wed, May 20
United Airlines Logo
10:00 am - 11:40 am
RAP
-
DEN
1h 40mnonstop
United Airlines Logo
7:15 pm - 8:28 pm
DEN
-
RAP
1h 13mnonstop
$319United Airlines
Mon, Apr 27 - Wed, May 6
United Airlines Logo
10:00 am - 11:40 am
RAP
-
DEN
1h 40mnonstop
United Airlines Logo
1:30 pm - 2:55 pm
DEN
-
RAP
1h 25mnonstop
$320United Airlines
Thu, Apr 23 - Sun, Apr 26
United Airlines Logo
8:55 am - 10:33 am
RAP
-
DEN
1h 38mnonstop
United Airlines Logo
5:55 pm - 7:25 pm
DEN
-
RAP
1h 30mnonstop
$334United Airlines
Fri, Aug 28 - Sat, Aug 29
Multiple Airlines Logo
5:57 pm - 3:25 am
RAP
-
DEN
9h 28m
1 stop
Multiple Airlines Logo
11:59 pm - 1:39 pm
DEN
-
RAP
37h 40m
2 stops
$335Multiple Airlines
Thu, May 14 - Tue, May 19
United Airlines Logo
4:36 pm - 6:20 pm
RAP
-
DEN
1h 44mnonstop
United Airlines Logo
3:43 pm - 5:12 pm
DEN
-
RAP
1h 29mnonstop
$337United Airlines
Mon, Jul 27 - Wed, Jul 29

United Airlines flights from Rapid City to Denver

Our best United Airlines deals on Rapid City to Denver flight tickets
United Airlines
May 15
RAP8:25 amRapid City
1h 40m
DEN10:05 amDenver Intl
May 27
DEN9:10 pmDenver Intl
1h 15m
RAP10:25 pmRapid City
$249
United Airlines
Apr 15
RAP2:47 pmRapid City
1h 33m
DEN4:20 pmDenver Intl
Apr 19
DEN8:00 amDenver Intl
1h 23m
RAP9:23 amRapid City
$279
United Airlines
May 13
RAP1:00 pmRapid City
1h 32m
DEN2:32 pmDenver Intl
May 20
DEN3:35 pmDenver Intl
1h 25m
RAP5:00 pmRapid City
$318

momondo 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, momondo users made 832,500 searches. Data last updated April 3, 2026.
Use the filters below to find and compare flights from Rapid City to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sun 5/3

5:57 pm-8:58 pm

2 stops27h 01m

Denver Intl

Wed 5/6

10:29 pm-5:07 pm

1 stop18h 38m

$248

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 5/15

8:25 am-10:05 am

Nonstop1h 40m

Denver Intl

Wed 5/27

9:10 pm-10:25 pm

Nonstop1h 15m

$249

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 4/15

2:47 pm-4:20 pm

Nonstop1h 33m

Denver Intl

Sun 4/19

8:00 am-9:23 am

Nonstop1h 23m

$279

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 4/30

5:57 pm-9:05 am

1 stop15h 08m

Denver Intl

Thu 5/7

6:10 am-5:07 pm

1 stop10h 57m

$284

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 5/13

1:00 pm-2:32 pm

Nonstop1h 32m

Denver Intl

Wed 5/20

3:35 pm-5:00 pm

Nonstop1h 25m

$318
Quickest round-trip

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Mon 4/27

10:00 am-11:40 am

Nonstop1h 40m

Denver Intl

Wed 5/6

7:15 pm-8:28 pm

Nonstop1h 13m

$319

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 4/23

10:00 am-11:40 am

Nonstop1h 40m

Denver Intl

Sun 4/26

1:30 pm-2:55 pm

Nonstop1h 25m

$320

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Fri 8/28

8:55 am-10:33 am

Nonstop1h 38m

Denver Intl

Sat 8/29

5:55 pm-7:25 pm

Nonstop1h 30m

$334

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 5/14

5:57 pm-3:25 am

1 stop9h 28m

Denver Intl

Tue 5/19

11:59 pm-1:39 pm

2 stops37h 40m

$335

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Mon 7/27

4:36 pm-6:20 pm

Nonstop1h 44m

Denver Intl

Wed 7/29

3:43 pm-5:12 pm

Nonstop1h 29m

$337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

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?

The cheapest month to fly to Denver from Rapid City is in February. Flight prices, which tend to average around $213, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until November to fly from Rapid City, when ticket prices are also cheap, with an average price of $234.

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 Wednesday when prices can be found for as low as $416. 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 $565.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $399. Flights in the morning are often more expensive with an average ticket price of $455.

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 April 2026, prices for Rapid City to Denver flights are approximately 66% more expensive 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

$247

Fastest flight time

1h 25m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Denver

1 airport
The best one-way flight to Denver from Rapid City in the past 72 hours is $247. The best round-trip flight deal from Rapid City to Denver found on momondo in the last 72 hours is $359.
The fastest flight from Rapid City to Denver takes 1h 25m
Direct flights go from Rapid City to Denver on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Denver. From Rapid City there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Rapid City to Denver

  • 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 25m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,538 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 41 flights on this route every week with an average price of $275. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Longmont
Boulder
Greeley
Keystone
Cripple Creek
Lakewood
Westminster
Thornton
Frisco
Centennial
Grand Lake
Winter Park
Englewood
Copper Mountain

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.

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