$216 Cheap Flights from Washington (DCA) to Rapid City (RAP)

View $216 flight on Tue, May 26, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $216 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 10 - Mon, Dec 15
DCA
Washington
RAP
Rapid City
$269 Roundtrip, found 7 hours ago
$269
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Dec 10 from Washington to Rapid City, returning Mon, Dec 15, priced at $269 found 7 hours ago
Delta
Fri, Nov 21 - Sun, Dec 7
DCA
Washington
RAP
Rapid City
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Nov 21 from Washington to Rapid City, returning Sun, Dec 7, priced at $274 found 1 day ago
United
Sun, May 3 - Sat, May 9
DCA
Washington
RAP
Rapid City
$301 Roundtrip, found 3 days ago
$301
Roundtrip
found 3 days ago
Select United flight, departing Sun, May 3 from Washington to Rapid City, returning Sat, May 9, priced at $301 found 3 days ago
Delta
Wed, Dec 10 - Mon, Dec 15
DCA
Washington
RAP
Rapid City
$304 Roundtrip, found 7 hours ago
$304
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Dec 10 from Washington to Rapid City, returning Mon, Dec 15, priced at $304 found 7 hours ago
Delta
Mon, Nov 24 - Tue, Dec 9
DCA
Washington
RAP
Rapid City
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from Washington to Rapid City, returning Tue, Dec 9, priced at $309 found 1 day ago
Delta
Mon, Nov 24 - Sun, Dec 7
DCA
Washington
RAP
Rapid City
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from Washington to Rapid City, returning Sun, Dec 7, priced at $314 found 1 day ago
Delta
Tue, Dec 9 - Thu, Dec 25
DCA
Washington
RAP
Rapid City
$320 Roundtrip, found 1 day ago
$320
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 9 from Washington to Rapid City, returning Thu, Dec 25, priced at $320 found 1 day ago
Delta
Wed, Mar 4 - Tue, Mar 10
DCA
Washington
RAP
Rapid City
$327 Roundtrip, found 3 days ago
$327
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Mar 4 from Washington to Rapid City, returning Tue, Mar 10, priced at $327 found 3 days ago
Delta
Sat, Nov 8 - Tue, Nov 18
DCA
Washington
RAP
Rapid City
$329 Roundtrip, found 6 days ago
$329
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 8 from Washington to Rapid City, returning Tue, Nov 18, priced at $329 found 6 days ago
American Airlines
Thu, Jan 8 - Tue, Jan 13
DCA
Washington
RAP
Rapid City
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 8 from Washington to Rapid City, returning Tue, Jan 13, priced at $334 found 1 day ago

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

September is typically the cheapest month to fly

From $268 - $555 per traveler.

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 $451
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $451

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP) cost?
Secure a cheap one-way flight from $216 or cheap return flight from $269 from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
Flying in December may help you find better deals, as it's the cheapest month for flights between DCA and RAP. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to RAP flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
You'll need to catch a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from DCA to RAP?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
Select a flight from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP) last-minute?
Last-minute bookings from DCA to RAP are typically more expensive. To lock in the lowest prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a DCA to RAP flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to RAP flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
In most cases, you can cancel or reschedule your DCA to RAP flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$268
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 December. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $216 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

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*Available to One Key members.