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

View $216 flight on Wed, Jan 28, 2026Opens in a new window

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

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

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.

American Airlines
Wed, Jan 28 - Sat, Jan 31
RAP
Rapid City
DCA
Washington
$269 Roundtrip, found 3 hours ago
$269
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Jan 28 from Rapid City to Washington, returning Sat, Jan 31, priced at $269 found 3 hours ago
Delta
Wed, Jan 28 - Sat, Jan 31
RAP
Rapid City
DCA
Washington
$269 Roundtrip, found 3 hours ago
$269
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Jan 28 from Rapid City to Washington, returning Sat, Jan 31, priced at $269 found 3 hours ago
Delta
Sat, Feb 28 - Tue, Mar 17
RAP
Rapid City
DCA
Washington
$274 Roundtrip, found 15 hours ago
$274
Roundtrip
found 15 hours ago
Select Delta flight, departing Sat, Feb 28 from Rapid City to Washington, returning Tue, Mar 17, priced at $274 found 15 hours ago
United
Thu, Dec 25 - Thu, Jan 1
RAP
Rapid City
DCA
Washington
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 25 from Rapid City to Washington, returning Thu, Jan 1, priced at $285 found 3 days ago
United
Thu, Jan 22 - Mon, Jan 26
RAP
Rapid City
DCA
Washington
$287 Roundtrip, found 6 days ago
$287
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 22 from Rapid City to Washington, returning Mon, Jan 26, priced at $287 found 6 days ago
Delta
Mon, Jan 12 - Sat, Jan 24
RAP
Rapid City
DCA
Washington
$304 Roundtrip, found 15 hours ago
$304
Roundtrip
found 15 hours ago
Select Delta flight, departing Mon, Jan 12 from Rapid City to Washington, returning Sat, Jan 24, priced at $304 found 15 hours ago
Delta
Sat, Feb 28 - Sat, Mar 14
RAP
Rapid City
DCA
Washington
$309 Roundtrip, found 15 hours ago
$309
Roundtrip
found 15 hours ago
Select Delta flight, departing Sat, Feb 28 from Rapid City to Washington, returning Sat, Mar 14, priced at $309 found 15 hours ago
Delta
Fri, Dec 12 - Tue, Dec 16
RAP
Rapid City
DCA
Washington
$320 Roundtrip, found 1 day ago
$320
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Dec 12 from Rapid City to Washington, returning Tue, Dec 16, priced at $320 found 1 day ago
Delta
Sat, Dec 20 - Wed, Jan 7
RAP
Rapid City
DCA
Washington
$324 Roundtrip, found 3 days ago
$324
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Dec 20 from Rapid City to Washington, returning Wed, Jan 7, priced at $324 found 3 days ago
United
Thu, Dec 25 - Thu, Jan 1
RAP
Rapid City
DCA
Washington
$324 Roundtrip, found 3 days ago
$324
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 25 from Rapid City to Washington, returning Thu, Jan 1, priced at $324 found 3 days ago

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

August is typically the cheapest month to fly

From $268 - $560 per traveler.

Alternative airports near Washington

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

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $304
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city center40 min
Flights from $304
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $304
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $304

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA) cost?
Grab a cheap one-way flight from $216 or cheap return flight from $269 from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA)?
January is the cheapest month to fly from RAP to DCA. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest RAP to DCA flight.
How many flights per day from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA)?
You'll need to hop on a flight with a layover if you're traveling from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from RAP to DCA?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your flight from RAP to DCA right before your trip is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a RAP to DCA flight and hotel package?
Compared with arranging hotels and flights separately, booking a RAP to DCA flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Ronald Reagan Washington National Airport (DCA)?
If you booked your RAP to DCA flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
Rapid City Regional
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, United
Roundtrip price
$268
Distance
1387 mi

Book with confidence

Rapid City to Washington Flights

The cheapest times to fly from Rapid City to Washington

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

 

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

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

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 Washington 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 Rapid City to Washington 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 Washington 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 Washington Flights

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*Available to One Key members.