$214 Cheap United flights Rapid City (RAP) to Denver (DEN)

View $214 flight on Wed, Aug 20, 2025Opens in a new window

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$214 Cheap United flights Rapid City (RAP) to Denver (DEN)

Prices were available within the past 7 days and start at $214 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 22 - Wed, Dec 31
RAP
Rapid City
DEN
Denver
$189 Roundtrip, just found
$189
Roundtrip
just found
Select United flight, departing Mon, Dec 22 from Rapid City to Denver, returning Wed, Dec 31, priced at $189 just found
United
Thu, Oct 16 - Sat, Oct 18
RAP
Rapid City
DEN
Denver
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 16 from Rapid City to Denver, returning Sat, Oct 18, priced at $194 found 1 day ago
United
Fri, Aug 29 - Sun, Aug 31
RAP
Rapid City
DEN
Denver
$194 Roundtrip, found 1 hour ago
$194
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Aug 29 from Rapid City to Denver, returning Sun, Aug 31, priced at $194 found 1 hour ago
United
Fri, Aug 15 - Sun, Aug 17
RAP
Rapid City
DEN
Denver
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Aug 15 from Rapid City to Denver, returning Sun, Aug 17, priced at $199 found 1 hour ago
United
Mon, Dec 22 - Wed, Dec 31
RAP
Rapid City
DEN
Denver
$219 Roundtrip, just found
$219
Roundtrip
just found
Select United flight, departing Mon, Dec 22 from Rapid City to Denver, returning Wed, Dec 31, priced at $219 just found
United
Thu, Oct 16 - Sat, Oct 18
RAP
Rapid City
DEN
Denver
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 16 from Rapid City to Denver, returning Sat, Oct 18, priced at $224 found 1 day ago
Flights from Rapid City (RAP) to Denver (DEN)
Origin airport
Rapid City Regional
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
United
Distance
301 mi
Average flight time
1 hour 30 mins

Frequently asked questions

How much is a United Airlines flight from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN)?
Scoring cheap one-way United Airlines flights from RAP to DEN from $214 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $189 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from RAP to DEN with United Airlines?
United Airlines flights to Denver tend to be more affordable in the off-peak months of January and November. Whether you're after a return or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN) with United Airlines?
To find cheap United Airlines fares from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN)?
Hop on one of United Airlines's 47 direct weekly flights from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN). To see what's available, enter your destination, origin and dates and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from RAP to DEN with United Airlines?
The travel time for a nonstop United Airlines flight from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN) takes around 1h 35m.
Which day of the week has the most United Airlines flights from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN)?
United Airlines operates the most flights from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN) on Thursday. With up to 7 daily departures, you'll get the most flexibility on this day.
What is the earliest United Airlines flight from RAP to DEN?
Leaving RAP at 5:20AM UTC-7, the earliest United Airlines flight to DEN lands at 7:03AM UTC-7. Traveling early means you're less likely to encounter delays.* Not an early riser? The last United Airlines flight from RAP to DEN departs at 6:10PM UTC-7 and touches down at 7:39PM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Denver?
United Airlines flights from Rapid City Regional Airport (RAP) to Denver touch down at Denver Intl. Airport (DEN). This is the main entry point to this destination.
Why fly with United Airlines from RAP to DEN?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to depart from RAP to DEN with United Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* on top of any airline loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN)?
For the Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN) route, United Airlines typically operates Embraer 175 and Bombardier CRJ planes. Don't forget that last-minute changes are possible for operational purposes, meaning your flight could be on a different aircraft.
Can I change or cancel my United Airlines flight from Rapid City Regional Airport (RAP) to Denver Intl. Airport (DEN)?
Depending on the type of fare you purchased, a fee will generally apply if you cancel or reschedule your flight more than 24 hours after it's confirmed. To secure plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when looking for flights. For additional information on canceling or modifying your reservation, visit "Trips," select your flight and tick "Manage Booking."

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