Mount Rushmore with four presidential faces carved into the granite.

$300 Cheap Flights from Washington (DCA) to Rapid City (RAP)

View $300 flight on Tue, Sep 8, 2026Opens in a new window

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

  • 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 Washington to Rapid City (DCA-RAP)

Prices were available within the past 7 days and start at $300 for one-way flights and $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 19 - Wed, Sep 23
DCA
Washington
RAP
Rapid City
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 19 from Washington to Rapid City, returning Wed, Sep 23, priced at $271 found 1 day ago
Delta
Sat, Oct 17 - Wed, Oct 21
DCA
Washington
RAP
Rapid City
$276 Roundtrip, found 2 hours ago
$276
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Oct 17 from Washington to Rapid City, returning Wed, Oct 21, priced at $276 found 2 hours ago
United
Tue, Sep 1 - Wed, Sep 9
DCA
Washington
RAP
Rapid City
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 1 from Washington to Rapid City, returning Wed, Sep 9, priced at $289 found 4 days ago
United
Wed, Sep 2 - Sat, Sep 5
DCA
Washington
RAP
Rapid City
$300 Roundtrip, found 1 day ago
$300
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 2 from Washington to Rapid City, returning Sat, Sep 5, priced at $300 found 1 day ago
American Airlines
Sat, Aug 15 - Tue, Aug 18
DCA
Washington
RAP
Rapid City
$316 Roundtrip, found 4 days ago
$316
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 15 from Washington to Rapid City, returning Tue, Aug 18, priced at $316 found 4 days ago
United
Fri, Aug 28 - Mon, Aug 31
DCA
Washington
RAP
Rapid City
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 28 from Washington to Rapid City, returning Mon, Aug 31, priced at $329 found 2 days ago
Delta
Wed, Sep 2 - Sat, Sep 5
DCA
Washington
RAP
Rapid City
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 2 from Washington to Rapid City, returning Sat, Sep 5, priced at $335 found 1 day ago
American Airlines
Wed, Jun 2 - Sat, Jun 5
DCA
Washington
RAP
Rapid City
$345 Roundtrip, found 4 days ago
$345
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jun 2 from Washington to Rapid City, returning Sat, Jun 5, priced at $345 found 4 days ago
United
Sat, Oct 10 - Sat, Oct 17
DCA
Washington
RAP
Rapid City
$351 Roundtrip, found 5 days ago
$351
Roundtrip
found 5 days ago
Select United flight, departing Sat, Oct 10 from Washington to Rapid City, returning Sat, Oct 17, priced at $351 found 5 days ago
United
Sat, Oct 17 - Wed, Oct 21
DCA
Washington
RAP
Rapid City
$361 Roundtrip, found 2 hours ago
$361
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 17 from Washington to Rapid City, returning Wed, Oct 21, priced at $361 found 2 hours ago

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 $747
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $747

Find the cheapest month to fly from Washington (DCA) to Rapid City (RAP)

January is typically the cheapest month to fly

From $268 - $549 per traveler.

What you need to know for your flight from Ronald Reagan Washington National to Rapid City Regional

Washington (DCA) to Rapid City (RAP) at a glance

Travel from Washington (DCA) to Rapid City (RAP) with a range of airlines on this convenient domestic short-haul route. Explore various options from full-service carriers to find flights that match your budget and schedule as you prepare to experience the iconic attractions and neighborhoods of Rapid City. Get all the essential details for your journey from Ronald Reagan Washington National Airport to Rapid City Regional Airport.

  • Fastest flight duration: around 4h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,400 miles (2,250 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $160–$535, depending on seasonality and how far ahead you book

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

Recent traveler bookings reveal the top airlines favored for one-stop flights from Washington to Rapid City. Many choose routes with popular layovers at O'Hare International Airport (ORD) with a layover of approximately 1 hour and 15 minutes, Minneapolis - St. Paul International Airport (MSP) with about a 1-hour layover, and Dallas-Fort Worth International Airport (DFW) also around 1 hour and 15 minutes. These options allow travelers to customize their journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.

  • American Airlines: As a comprehensive service airline, American Airlines provides one-stop flights with one-way fares typically ranging from $160 to $535. It represents about 40% of the departures on this route, featuring an in-flight duration of 4 hours and 45 minutes, and a total travel time of around 6 hours and 15 minutes, including layover time.
  • Delta: This full-service airline also offers one-stop service, with one-way fares usually priced between $165 and $655. Delta accounts for roughly 31% of the departures on this route, with a flight time of 4 hours and 45 minutes and an overall journey time of approximately 6 hours and 15 minutes, factoring in the layover.
  • United: Another full-service carrier, United provides one-stop flights with one-way fares that generally range from $165 to $515. United makes up about 30% of the departures for this route, with an in-flight time of 4 hours and 45 minutes, leading to a total travel duration of about 6 hours and 15 minutes, including the layover.

Travelers can enhance their journey from Washington to Rapid City by upgrading to first class with Delta, which provides exceptional service on this route.

Best time to fly from Washington (DCA) to Rapid City (RAP)

The most popular months for travelers flying from Washington to Rapid City are March, June, and July, when peak temperatures in Rapid City reach up to 74.5°F in July. If you prefer quieter travel, consider January, the least busy time to visit with temperatures around 26.2°F and typically the lowest average one-way fare (around $236). Flight availability peaks in November, with approximately 11 flights per week, making it easier to find convenient departure times. December has the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: January usually offers good deals with average one-way fare around $236, roughly 23% cheaper than the yearly average.
  • Another budget-friendly time to fly: October typically offers an average one-way fare of around $252.
  • Most flight options: November has the highest number of flights from Washington to Rapid City, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January26.2°F (-3.2°C)Low8$236
February25.3°F (-3.7°C)Average8$464
March36.9°F (2.7°C)High9$376
April43.5°F (6.4°C)Average8$268
May54.7°F (12.6°C)Average8$267
June66.9°F (19.4°C)High8$300
July74.5°F (23.6°C)High10$279
August72.7°F (22.6°C)Average8$303
September64.6°F (18.1°C)Average9$311
October48.0°F (8.9°C)Average9$252
November37.4°F (3.0°C)Low11$299
December26.6°F (-3.0°C)Low7$363

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Washington (DCA) to Rapid City (RAP)

  • Washington to Rapid City (IAD-RAP): Located approximately 23 miles from Ronald Reagan Washington National Airport (DCA), Washington Dulles International Airport (IAD) serves as a key departure point for this route. One-way economy ticket prices generally vary between $160 and $450, influenced by the time of year and how far in advance you book. Travelers can choose from both one-stop and multi-stop flights, with common layover points at Denver International Airport (DEN) and Dallas-Fort Worth International Airport (DFW). The primary airlines operating on this route are United and American Airlines, and first class service is also offered.

How to find the best prices for flights from Washington (DCA) to Rapid City (RAP)

Getting some of the best deals on flights from Washington to Rapid City 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 available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures from 5 AM to 12 PM often feature lower prices and are the most popular times to fly. Additionally, flying on Monday typically brings cheaper fares, while Sunday remains the busiest travel day.
  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.* Find Rapid City hotel and flight deals.
  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 Rapid City Regional Airport from Ronald Reagan Washington National Airport

Rapid City welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Ronald Reagan Washington National Airport is roughly a 10-minute drive (covering about 5 miles) from central Washington. Here's how to reach Rapid City efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Rapid City, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Rapid City Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Rapid City Regional 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 Washington, DC (DCA-Ronald Reagan Washington National) to Rapid City, SD (RAP-Rapid City Regional) cost?
You can find cheap one-way flights from $300 and cheap return flights from $271 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 September 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
$270
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 September. 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 $300 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.

*Available to One Key members.

 

Explore a world of travel with Expedia