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Cheap flights from Denver to Rapid City from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Rapid City departing on 9/10. 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 Denver to Rapid City (DEN-RAP)

Cheap round-trip flights

United Airlines Logo
7:45 am - 9:06 amDEN-RAP
1h 21mnonstop
United Airlines Logo
7:00 am - 8:17 amRAP-DEN
1h 17mnonstop
$189United Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
United Airlines Logo
7:45 am - 9:06 amDEN-RAP
1h 21mnonstop
United Airlines Logo
5:30 am - 6:55 amRAP-DEN
1h 25mnonstop
$199United Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 14
United Airlines Logo
7:48 am - 9:10 amDEN-RAP
1h 22mnonstop
United Airlines Logo
5:50 pm - 7:24 pmRAP-DEN
1h 34mnonstop
$219United Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
United Airlines Logo
7:20 pm - 8:34 pmDEN-RAP
1h 14mnonstop
United Airlines Logo
9:56 am - 11:30 amRAP-DEN
1h 34mnonstop
$247United Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
United Airlines Logo
8:30 am - 9:52 amDEN-RAP
1h 22mnonstop
United Airlines Logo
7:00 am - 8:17 amRAP-DEN
1h 17mnonstop
$249United Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 17
United Airlines Logo
7:45 am - 9:06 amDEN-RAP
1h 21mnonstop
United Airlines Logo
5:30 am - 6:55 amRAP-DEN
1h 25mnonstop
$250United Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
United Airlines Logo
2:42 pm - 4:02 pmDEN-RAP
1h 20mnonstop
United Airlines Logo
7:00 am - 8:17 amRAP-DEN
1h 17mnonstop
$254United Airlines
Find Deal
Fri, Sep 12 - Fri, Sep 19
United Airlines Logo
8:48 pm - 9:59 pmDEN-RAP
1h 11mnonstop
United Airlines Logo
8:32 am - 10:04 amRAP-DEN
1h 32mnonstop
$264United Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14
Logo
10:29 pm - 4:49 pmDEN-RAP
18h 20m1 stop
Logo
5:39 pm - 2:23 pmRAP-DEN
20h 44m2 stops
$281
Find Deal
Wed, Sep 10 - Sun, Sep 14
Logo
10:29 pm - 4:49 pmDEN-RAP
18h 20m1 stop
Logo
5:39 pm - 9:05 amRAP-DEN
15h 26m1 stop
$283
Find Deal
Wed, Sep 10 - Sun, Sep 14

United Airlines flights from Denver to Rapid City

Our best United Airlines deals on Denver to Rapid City flight tickets
United Airlines
Sep 24
DEN7:45 amDenver Intl
1h 21m
RAP9:06 amRapid City
Oct 1
RAP7:00 amRapid City
1h 17m
DEN8:17 amDenver Intl
$189
Find similar
United Airlines
Sep 10
DEN7:45 amDenver Intl
1h 21m
RAP9:06 amRapid City
Sep 14
RAP5:30 amRapid City
1h 25m
DEN6:55 amDenver Intl
$199
Find similar
United Airlines
Oct 15
DEN7:48 amDenver Intl
1h 22m
RAP9:10 amRapid City
Oct 18
RAP5:50 pmRapid City
1h 34m
DEN7:24 pmDenver Intl
$219
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Rapid City 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 August 28, 2025.
Use the filters below to find and compare flights from Denver to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Wed 9/24

7:45 am-9:06 am

Nonstop1h 21m

Rapid City

Wed 10/1

7:00 am-8:17 am

Nonstop1h 17m

$189

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Wed 9/10

7:45 am-9:06 am

Nonstop1h 21m

Rapid City

Sun 9/14

5:30 am-6:55 am

Nonstop1h 25m

$199

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Wed 10/15

7:48 am-9:10 am

Nonstop1h 22m

Rapid City

Sat 10/18

5:50 pm-7:24 pm

Nonstop1h 34m

$219

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Fri 10/10

7:20 pm-8:34 pm

Nonstop1h 14m

Rapid City

Fri 10/17

9:56 am-11:30 am

Nonstop1h 34m

$247

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Sat 10/11

8:30 am-9:52 am

Nonstop1h 22m

Rapid City

Fri 10/17

7:00 am-8:17 am

Nonstop1h 17m

$249

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Thu 9/18

7:45 am-9:06 am

Nonstop1h 21m

Rapid City

Sun 9/21

5:30 am-6:55 am

Nonstop1h 25m

$250

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Fri 9/12

2:42 pm-4:02 pm

Nonstop1h 20m

Rapid City

Fri 9/19

7:00 am-8:17 am

Nonstop1h 17m

$254

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Thu 9/11

8:48 pm-9:59 pm

Nonstop1h 11m

Rapid City

Sun 9/14

8:32 am-10:04 am

Nonstop1h 32m

$264

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Wed 9/10

10:29 pm-4:49 pm

1 stop18h 20m

Rapid City

Sun 9/14

5:39 pm-2:23 pm

2 stops20h 44m

$281

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Wed 9/10

10:29 pm-4:49 pm

1 stop18h 20m

Rapid City

Sun 9/14

5:39 pm-9:05 am

1 stop15h 26m

$283

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 Rapid City from

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

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 Rapid City?

The month of July is, on average, the cheapest month to fly to Rapid City from Denver, with most prices found around $254. If you aren’t able to travel to Rapid City during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $284.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Saturday is the cheapest day to fly to Rapid City from Denver. The lowest ticket price found for a Saturday departure recently was $303. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Monday, with ticket prices averaging around $390.

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

Our most recent data shows that the best time of day to fly to Rapid City is in the evening. Flights from Denver to Rapid City during this time can be as low as $289. Flights in the afternoon are often more expensive with an average ticket price of $369.

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

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

How far in advance should I book a flight to Rapid City?

You are more likely to see cheaper flights to Rapid City from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from Denver for as low as $229 on momondo.

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

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

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

As of August 2025, prices for Denver to Rapid City flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Rapid City

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

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

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

Best Price Found

$268

Fastest flight time

1h 11m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Rapid City

1 airport
The best one-way flight to Rapid City from Denver in the past 72 hours is $268. The best round-trip flight deal from Denver to Rapid City found on momondo in the last 72 hours is $249.
The fastest flight from Denver to Rapid City takes 1h 11m
Direct flights go from Denver to Rapid City on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport near Rapid City: Rapid City (RAP)
Search flight deals

  • How far is Denver Intl to Rapid City by plane?

    The straight-line distance from Denver Intl to Rapid City is 313.0 mi. 1h 11m is a normal flight duration for this route.

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

    Prices for flights from Denver Intl Airport to Rapid City Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The travel and health documents required for your trip to Rapid City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rapid City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Denver to Rapid City

Compare and see reviews for airlines that fly from Denver to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $219Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Rapid City

    The lowest priced United Airlines flight from Denver to Rapid City from the last 72 hours was $219. Generally, United Airlines has 57 flights on this route every week with an average price of $317. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Sturgis
Keystone
Spearfish
Custer
Hot Springs
Wall
Hill City

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rapid City from Denver.

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

All flight searches from Denver to Rapid City on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Denver to Rapid City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Denver to Rapid City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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