$236 Cheap Flights from Washington (DCA) to Rapid City (RAP)

View $236 flight on Sun, May 24, 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 $236 for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 22 - Sat, Sep 5
DCA
Washington
RAP
Rapid City
$349 Roundtrip, found 19 hours ago
$349
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Aug 22 from Washington to Rapid City, returning Sat, Sep 5, priced at $349 found 19 hours ago
Delta
Tue, Apr 28 - Sat, May 2
DCA
Washington
RAP
Rapid City
$349 Roundtrip, found 3 days ago
$349
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 28 from Washington to Rapid City, returning Sat, May 2, priced at $349 found 3 days ago
American Airlines
Tue, Jun 16 - Tue, Jun 23
DCA
Washington
RAP
Rapid City
$354 Roundtrip, found 3 days ago
$354
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jun 16 from Washington to Rapid City, returning Tue, Jun 23, priced at $354 found 3 days ago
United
Thu, May 28 - Wed, Jun 3
DCA
Washington
RAP
Rapid City
$367 Roundtrip, found 5 days ago
$367
Roundtrip
found 5 days ago
Select United flight, departing Thu, May 28 from Washington to Rapid City, returning Wed, Jun 3, priced at $367 found 5 days ago
Delta
Wed, Jul 8 - Wed, Jul 15
DCA
Washington
RAP
Rapid City
$374 Roundtrip, found 1 day ago
$374
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jul 8 from Washington to Rapid City, returning Wed, Jul 15, priced at $374 found 1 day ago
United
Sun, Sep 6 - Sat, Sep 12
DCA
Washington
RAP
Rapid City
$378 Roundtrip, found 2 days ago
$378
Roundtrip
found 2 days ago
Select United flight, departing Sun, Sep 6 from Washington to Rapid City, returning Sat, Sep 12, priced at $378 found 2 days ago
American Airlines
Tue, Jun 16 - Tue, Jun 23
DCA
Washington
RAP
Rapid City
$379 Roundtrip, found 3 days ago
$379
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jun 16 from Washington to Rapid City, returning Tue, Jun 23, priced at $379 found 3 days ago
United
Fri, May 29 - Sat, Jun 6
DCA
Washington
RAP
Rapid City
$388 Roundtrip, found 2 days ago
$388
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 29 from Washington to Rapid City, returning Sat, Jun 6, priced at $388 found 2 days ago
United
Sun, Sep 6 - Sat, Sep 12
DCA
Washington
RAP
Rapid City
$391 Roundtrip, found 2 days ago
$391
Roundtrip
found 2 days ago
Select United flight, departing Sun, Sep 6 from Washington to Rapid City, returning Sat, Sep 12, priced at $391 found 2 days ago
Delta
Wed, Jul 8 - Sat, Jul 11
DCA
Washington
RAP
Rapid City
$394 Roundtrip, found 4 hours ago
$394
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Jul 8 from Washington to Rapid City, returning Sat, Jul 11, priced at $394 found 4 hours ago

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 $236 and cheap return flights from $349 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 August 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
$348
Distance
1387 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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