A modern building with a glass dome, surrounded by lush gardens and a clear blue sky with clouds.

$274 Cheap Flights from Rapid City (RAP) to Des Moines (DSM)

View $274 flight on Fri, Feb 19, 2027Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to Des Moines International Airport (DSM)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Rapid City to Des Moines (RAP-DSM)

Prices were available within the past 7 days and start at $274 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 7 - Thu, Jan 14
RAP
Rapid City
DSM
Des Moines
$319 Roundtrip, found 23 hours ago
$319
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Jan 7 from Rapid City to Des Moines, returning Thu, Jan 14, priced at $319 found 23 hours ago
American Airlines
Tue, Nov 10 - Wed, Nov 18
RAP
Rapid City
DSM
Des Moines
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 10 from Rapid City to Des Moines, returning Wed, Nov 18, priced at $329 found 2 days ago
United
Mon, Nov 2 - Mon, Nov 9
RAP
Rapid City
DSM
Des Moines
$330 Roundtrip, found 2 days ago
$330
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 2 from Rapid City to Des Moines, returning Mon, Nov 9, priced at $330 found 2 days ago
United
Tue, Nov 10 - Wed, Nov 18
RAP
Rapid City
DSM
Des Moines
$332 Roundtrip, found 2 days ago
$332
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 10 from Rapid City to Des Moines, returning Wed, Nov 18, priced at $332 found 2 days ago
American Airlines
Sun, Jul 4 - Sat, Jul 10
RAP
Rapid City
DSM
Des Moines
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Jul 4 from Rapid City to Des Moines, returning Sat, Jul 10, priced at $335 found 1 day ago
United
Tue, Oct 27 - Sun, Nov 1
RAP
Rapid City
DSM
Des Moines
$338 Roundtrip, found 2 days ago
$338
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 27 from Rapid City to Des Moines, returning Sun, Nov 1, priced at $338 found 2 days ago
Delta
Fri, Dec 11 - Mon, Dec 14
RAP
Rapid City
DSM
Des Moines
$339 Roundtrip, found 6 hours ago
$339
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Dec 11 from Rapid City to Des Moines, returning Mon, Dec 14, priced at $339 found 6 hours ago
American Airlines
Fri, Dec 11 - Mon, Dec 14
RAP
Rapid City
DSM
Des Moines
$344 Roundtrip, found 6 hours ago
$344
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Dec 11 from Rapid City to Des Moines, returning Mon, Dec 14, priced at $344 found 6 hours ago
United
Sat, Nov 21 - Sun, Nov 22
RAP
Rapid City
DSM
Des Moines
$349 Roundtrip, found 6 days ago
$349
Roundtrip
found 6 days ago
Select United flight, departing Sat, Nov 21 from Rapid City to Des Moines, returning Sun, Nov 22, priced at $349 found 6 days ago
Delta
Sun, Jul 4 - Sat, Jul 10
RAP
Rapid City
DSM
Des Moines
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jul 4 from Rapid City to Des Moines, returning Sat, Jul 10, priced at $364 found 1 day ago

What you need to know for your flight from Rapid City Regional to Des Moines Intl.

Rapid City (RAP) to Des Moines (DSM) at a glance

Travel from Rapid City (RAP) to Des Moines (DSM) with a selection of airlines catering to this domestic short-haul route. You can compare various options, from full-service carriers to budget-friendly choices, to discover the itinerary that best aligns with your budget, schedule, and travel plans. Dive into the vibrant sights and neighborhoods of Des Moines while checking out the essential details for flights from Rapid City Regional Airport to Des Moines International Airport.

  • Fastest flight duration: around 3h 15m in-flight, plus roughly 1 hour layover with one stop
  • Route distance: roughly 500 miles (800 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $130–$375, depending on seasonality and how far ahead you book

Flights from Rapid City Regional Airport (RAP) to Des Moines International Airport (DSM)

According to recent traveler bookings, the top airlines flying from Rapid City to Des Moines are favored for their one-stop options, typically involving layovers at Denver International Airport (DEN, approximately 1 hour), Minneapolis - St. Paul International Airport (MSP, about 1 hour), and O'Hare International Airport (ORD, around 1 hour). These choices allow you to compare and contrast prices, total travel times, and cabin classes, helping you craft the ideal itinerary for your journey.

  • United: This full-service airline provides one-stop flights, with one-way prices generally falling between $135 and $410. United operates about 65% of departures for this route, featuring an in-flight duration of 3 hours and 15 minutes, and a total travel time of around 4 hours and 15 minutes, including layovers.
  • Delta: Another full-service carrier, Delta offers one-stop services with one-way fares usually ranging from $130 to $375. It accounts for roughly 31% of departures on this route, boasting an in-flight time of 3 hours and 15 minutes, alongside an overall journey time of approximately 4 hours and 15 minutes, factoring in layovers.

How to find the best prices for flights from Rapid City (RAP) to Des Moines (DSM)

Getting some of the best deals on flights from Rapid City to Des Moines is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, although most travelers book within 2 weeks. Departures in the afternoon (12 PM-6 PM) tend to be more affordable, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Thursday offers both lower prices and high demand.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Des Moines International Airport from Rapid City Regional Airport

Des Moines welcomes travelers from Rapid City with a range of transport options based on price, convenience, and proximity. Here's how to reach Des Moines efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Des Moines, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Des Moines International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Des Moines International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Frequently asked questions

How much does a flight from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) cost?
You can find cheap one-way flights from $274 and cheap return flights from $319 Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) with Expedia. One-way flights typically cost between $190 and $434, and return flights often range between $296 and $871. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
The cheapest month to fly from RAP to DSM is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
Enter RAP to DSM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
United is one of the cheapest airlines offering connecting flights from Rapid City Regional (RAP) to Des Moines Intl. (DSM), with round-trip tickets starting from around $248.37 with a layover in Denver Intl. (DEN). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
To find a cheap flight from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
The earliest flight from Rapid City Regional Airport (RAP) to Des Moines International Airport (DSM) usually departs at 5:00 AM, operated by United. This seasonal service is active in March, and an early flight can help you maximize your time in Des Moines. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
For flights from Rapid City Regional Airport (RAP) to Des Moines International Airport (DSM), the most popular departure times are in the early morning, from 6am to 9am. About 26% of travelers choose this time window. Many major carriers, including United Airlines and Delta Air Lines, operate flights during this period. This timing is favored as it allows you to start your day early in Des Moines.
How long does it take to fly from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
Flights from RAP to DSM with one stop typically take around 5 hours, covering approximately 507 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
First class seats are offered on the RAP to DSM route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) flight with Expedia?
It's easy to earn miles on a Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Des Moines from Rapid City Regional (RAP)?
If you're planning to travel to Des Moines from Rapid City Regional (RAP), you can fly into Des Moines Intl. (DSM) Some flights may connect through major hubs like Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP) before reaching Des Moines. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) at the last minute?
Typically, booking a last minute flight from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) flight and hotel package?
Securing a Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) Des Moines Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.)?
If you booked your Rapid City, SD (RAP-Rapid City Regional) to Des Moines, IA (DSM-Des Moines Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Rapid City Regional
Destination airport
Des Moines Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$318
Distance
507 mi

Book with confidence

Rapid City to Des Moines Flights

The cheapest times to fly from Rapid City to Des Moines

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rapid City to Des Moines are during the month of January. You can find some of the cheapest flights from Rapid City to Des Moines with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Des Moines

Sunday is one of the best days to book for cheap flights from Rapid City to Des Moines: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rapid City to Des Moines

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rapid City to Des Moines in 2026. You can also book with separate airlines for your outbound and return journeys, from $274 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rapid City to Des Moines flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rapid City to Des Moines airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Rapid City to Des Moines Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia