$219 Cheap Flights from Washington (DCA) to Rapid City (RAP)

View $219 flight on Tue, Apr 14, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)

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Cheap Flights from Washington to Rapid City (DCA-RAP)

Prices were available within the past 7 days and start at $219 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 17 - Tue, Mar 24
DCA
Washington
RAP
Rapid City
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 17 from Washington to Rapid City, returning Tue, Mar 24, priced at $299 found 6 days ago
American Airlines
Wed, Sep 2 - Sat, Sep 5
DCA
Washington
RAP
Rapid City
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 2 from Washington to Rapid City, returning Sat, Sep 5, priced at $309 found 1 day ago
American Airlines
Fri, Aug 14 - Tue, Aug 18
DCA
Washington
RAP
Rapid City
$322 Roundtrip, found 2 days ago
$322
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 14 from Washington to Rapid City, returning Tue, Aug 18, priced at $322 found 2 days ago
United
Fri, Aug 28 - Wed, Sep 2
DCA
Washington
RAP
Rapid City
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 28 from Washington to Rapid City, returning Wed, Sep 2, priced at $324 found 4 days ago
Delta
Wed, Oct 28 - Sat, Oct 31
DCA
Washington
RAP
Rapid City
$334 Roundtrip, found 15 hours ago
$334
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Oct 28 from Washington to Rapid City, returning Sat, Oct 31, priced at $334 found 15 hours ago
United
Mon, May 4 - Sat, May 9
DCA
Washington
RAP
Rapid City
$344 Roundtrip, found 13 hours ago
$344
Roundtrip
found 13 hours ago
Select United flight, departing Mon, May 4 from Washington to Rapid City, returning Sat, May 9, priced at $344 found 13 hours ago
United
Sat, May 2 - Sat, May 9
DCA
Washington
RAP
Rapid City
$351 Roundtrip, found 4 days ago
$351
Roundtrip
found 4 days ago
Select United flight, departing Sat, May 2 from Washington to Rapid City, returning Sat, May 9, priced at $351 found 4 days ago
Delta
Tue, Mar 24 - Tue, Mar 31
DCA
Washington
RAP
Rapid City
$354 Roundtrip, found 10 hours ago
$354
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Mar 24 from Washington to Rapid City, returning Tue, Mar 31, priced at $354 found 10 hours ago
United
Thu, Aug 6 - Thu, Aug 13
DCA
Washington
RAP
Rapid City
$355 Roundtrip, found 1 day ago
$355
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 6 from Washington to Rapid City, returning Thu, Aug 13, priced at $355 found 1 day ago
United
Sat, May 2 - Sat, May 9
DCA
Washington
RAP
Rapid City
$356 Roundtrip, found 4 days ago
$356
Roundtrip
found 4 days ago
Select United flight, departing Sat, May 2 from Washington to Rapid City, returning Sat, May 9, priced at $356 found 4 days ago

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Alternative airports near Rapid City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Rapid City Regional RAP. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $354
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $354

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) cost?
You can find cheap one-way flights from $219 and cheap return flights from $299 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) with Expedia. One-way flights generally range between $258 and $836, and roundtrip flights usually range from $479 to $1315. 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
The cheapest month to fly from DCA to RAP is March 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
Enter DCA to RAP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
Delta is one of the cheapest airlines offering connecting flights from Washington, DC (DCA) to Rapid City, SD (RAP), with round-trip tickets starting from around $268.37 with a layover in Raleigh - Durham Intl. (RDU). 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional), 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
The earliest flight from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP) usually leaves at around 5:00 AM local time, operated by American Airlines. This is a seasonal service active in April and May, and an early start can help you make the most of your day in Rapid City. 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
The most popular departure times for flights from Washington, DC (DCA) to Rapid City, SD (RAP) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Delta Airlines, offer flights during this window. This timing is popular because it allows travelers to reach Rapid City early in the day.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
Flights from DCA to RAP with one stop typically take around 8 hours 20 minutes, covering approximately 1,388 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
First class seats are offered on the DCA to RAP route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) 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 Rapid City from Ronald Reagan Washington National (DCA)?
If you're planning to travel to Rapid City from Ronald Reagan Washington National (DCA), you can fly into Rapid City Regional (RAP) Some flights may connect through major hubs like O'Hare Intl. (ORD), LaGuardia (LGA), Liberty Intl. (EWR) before reaching Rapid City. 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) Rapid City 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) 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
Ronald Reagan Washington National
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$298
Distance
1387 mi

Book with confidence

Washington to Rapid City Flights

The cheapest times to fly from Washington to Rapid City

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 Washington to Rapid City are during the month of March. You can find some of the cheapest flights from Washington to Rapid City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Rapid City

Sunday is one of the best days to book for cheap flights from Washington to Rapid City: 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 Washington to Rapid City

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 Washington to Rapid City in 2026. You can also book with separate airlines for your outbound and return journeys, from $219 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 Washington to Rapid City 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 Washington to Rapid City 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.

 

Washington to Rapid City Flights

*Flight schedules are subject to change.

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*Available to One Key members.