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Cheap flights from Rapid City to Denver from $129

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 12/3. 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
0 bags

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Cheap round-trip flights

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United Airlines Logo
5:50 pm - 7:24 pmRAP-DEN
1h 34mnonstop
United Airlines Logo
7:55 am - 9:15 amDEN-RAP
1h 20mnonstop
$189United Airlines
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Sat, Oct 25 - Mon, Oct 27
United Airlines Logo
11:15 am - 12:38 pmRAP-DEN
1h 23mnonstop
United Airlines Logo
2:40 pm - 4:00 pmDEN-RAP
1h 20mnonstop
$199United Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
United Airlines Logo
4:40 pm - 6:19 pmRAP-DEN
1h 39mnonstop
United Airlines Logo
7:19 pm - 8:33 pmDEN-RAP
1h 14mnonstop
$219United Airlines
Find Deal
Wed, Jan 14 - Fri, Feb 13
Multiple Airlines Logo
3:39 pm - 10:29 amRAP-DEN
18h 50m1 stop
Multiple Airlines Logo
7:30 am - 9:24 amDEN-RAP
25h 54m1 stop
$241Multiple Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 4
United Airlines Logo
5:15 am - 6:55 amRAP-DEN
1h 40mnonstop
United Airlines Logo
12:10 am - 1:25 amDEN-RAP
1h 15mnonstop
$249United Airlines
Find Deal
Thu, Nov 27 - Sat, Nov 29
United Airlines Logo
5:30 am - 6:56 amRAP-DEN
1h 26mnonstop
United Airlines Logo
7:55 am - 9:15 amDEN-RAP
1h 20mnonstop
$251United Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
5:30 am - 6:56 amRAP-DEN
1h 26mnonstop
United Airlines Logo
7:48 am - 9:10 amDEN-RAP
1h 22mnonstop
$259United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
Multiple Airlines Logo
3:39 pm - 10:29 amRAP-DEN
18h 50m1 stop
Multiple Airlines Logo
10:55 pm - 8:54 pmDEN-RAP
45h 59m2 stops
$264Multiple Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 4
United Airlines Logo
2:40 pm - 4:21 pmRAP-DEN
1h 41mnonstop
United Airlines Logo
11:55 am - 1:12 pmDEN-RAP
1h 17mnonstop
$279United Airlines
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Thu, Jan 8 - Sun, Jan 11
Delta Logo
10:33 am - 11:14 pmRAP-DEN
12h 41m2 stops
Delta Logo
7:41 pm - 9:53 amDEN-RAP
14h 12m2 stops
$457Delta
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Thu, Oct 23 - Sun, Oct 26

United Airlines flights from Rapid City to Denver

Our best United Airlines deals on Rapid City to Denver flight tickets
United Airlines
Oct 25
RAP5:50 pmRapid City
1h 34m
DEN7:24 pmDenver Intl
Oct 27
DEN7:55 amDenver Intl
1h 20m
RAP9:15 amRapid City
$189
Find similar
United Airlines
Oct 16
RAP11:15 amRapid City
1h 23m
DEN12:38 pmDenver Intl
Oct 19
DEN2:40 pmDenver Intl
1h 20m
RAP4:00 pmRapid City
$199
Find similar
United Airlines
Jan 14
RAP4:40 pmRapid City
1h 39m
DEN6:19 pmDenver Intl
Feb 13
DEN7:19 pmDenver Intl
1h 14m
RAP8:33 pmRapid City
$219
Find similar

Delta flights from Rapid City to Denver

Our best Delta deals on Rapid City to Denver flight tickets
Delta
Oct 23
RAP10:33 amRapid City
12h 41m
2 stops
DEN11:14 pmDenver Intl
Oct 26
DEN7:41 pmDenver Intl
14h 12m
2 stops
RAP9:53 amRapid City
$457
Find similar
Delta
Oct 10
RAP2:26 pmRapid City
5h 04m
1 stop
DEN7:30 pmDenver Intl
Oct 12
DEN11:05 amDenver Intl
4h 45m
1 stop
RAP3:50 pmRapid City
$1,402
Find similar

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 October 1, 2025.
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

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Sat 10/25

5:50 pm-7:24 pm

Nonstop1h 34m

Denver Intl

Mon 10/27

7:55 am-9:15 am

Nonstop1h 20m

$189

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 10/16

11:15 am-12:38 pm

Nonstop1h 23m

Denver Intl

Sun 10/19

2:40 pm-4:00 pm

Nonstop1h 20m

$199

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 1/14

4:40 pm-6:19 pm

Nonstop1h 39m

Denver Intl

Fri 2/13

7:19 pm-8:33 pm

Nonstop1h 14m

$219

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Mon 10/27

3:39 pm-10:29 am

1 stop18h 50m

Denver Intl

Tue 11/4

7:30 am-9:24 am

1 stop25h 54m

$241

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 11/27

5:15 am-6:55 am

Nonstop1h 40m

Denver Intl

Sat 11/29

12:10 am-1:25 am

Nonstop1h 15m

$249

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 10/23

5:30 am-6:56 am

Nonstop1h 26m

Denver Intl

Sun 10/26

7:55 am-9:15 am

Nonstop1h 20m

$251

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Wed 10/15

5:30 am-6:56 am

Nonstop1h 26m

Denver Intl

Sun 10/19

7:48 am-9:10 am

Nonstop1h 22m

$259

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Mon 10/27

3:39 pm-10:29 am

1 stop18h 50m

Denver Intl

Tue 11/4

10:55 pm-8:54 pm

2 stops45h 59m

$264

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 1/8

2:40 pm-4:21 pm

Nonstop1h 41m

Denver Intl

Sun 1/11

11:55 am-1:12 pm

Nonstop1h 17m

$279

Rapid CityDenver

RAP - DEN

RAPDEN

Rapid City

Thu 10/23

10:33 am-11:14 pm

2 stops12h 41m

Denver Intl

Sun 10/26

7:41 pm-9:53 am

2 stops14h 12m

$457

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 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 August to fly from Rapid City, when ticket prices are also cheap, with an average price of $256.

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 $450. 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 $571.

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 $457. Flights at noon are often more expensive with an average ticket price of $548.

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 October 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

$231

Fastest flight time

1h 16m

Direct flights

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 $231. The best round-trip flight deal from Rapid City to Denver found on momondo in the last 72 hours is $340.
The fastest flight from Rapid City to Denver takes 1h 16m
Direct flights go from Rapid City to Denver on Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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 16m.

  • 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
8,929 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 58 flights on this route every week with an average price of $289. 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
Keystone
Cripple Creek
Boulder
Manitou Springs
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Grand Lake
Silverthorne
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.

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