Cheap Flights from Washington D.C. to Rapid City Regional

Compare Washington D.C. to Rapid City Regional flight deals

Find the cheapest month or even day of the year to fly to Rapid City Regional

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Flight deals from Washington D.C. to Rapid City Regional

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Rapid City Regional Airport? If you want to travel next month, return fares start from R 4,924. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington D.C. to Rapid City Regional

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Rapid City Regional flights are currently cheapest in August.

Washington D.C. to Rapid City Regional: Alternative routes

Compare routes from Washington D.C. to Rapid City below. You may find an airport to fly into that's cheaper, faster, or easier than Rapid City Regional.

Washington D.C. to Rapid City: Flight information

The things to know before you go.
Cheapest flight foundR 1,786
Cheapest month to flyAugust

Finding cheap flights from Washington D.C. to Rapid City Regional: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Rapid City Regional is R 4,424. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington D.C. to Rapid City Regional. But we found flights with one stop from R 4,424.
As of May 2026, there are no flights flying from Washington D.C. to Rapid City Regional.
The cheapest month to fly from Washington D.C. to Rapid City Regional is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Rapid City Regional Airport on Tuesday, 21 July 2026.
No airlines currently offer direct flights between Washington D.C. and Rapid City Regional Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Rapid City Regional but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Rapid City is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Rapid City Regional is Delta .

Travelling from Washington DC to Rapid City Regional Airport (RAP): What you need to know

  • Get your trip planning underway by checking out the ideal departure point for your flight from Washington DC to Rapid City Regional Airport (RAP). Explore the options for setting off from Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD), two of the city's main airports.

  • The timezone in Rapid City is UTC-6, which is two hours behind Washington DC. Rapid City Regional Airport is located in Rapid City.

  • Leave enough time to get on your flight from Washington DC to RAP. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • With more travellers during high season, plan to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international trips will allow for additional wait times.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • The journey from central Washington DC to DCA takes around 45 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 8 kilometres in 15 minutes or so, depending on traffic.

  • Want a relaxed start to your travels? Stay near Ronald Reagan National Airport. Whether you're boarding an early flight from Washington DC to Rapid City Regional Airport or aren't a fan of being rushed, these hotels offer the perfect solution:

  • Of all flights leaving Ronald Reagan National Airport, 76.44% arrive on time at their destination.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • BWI is roughly 48 kilometres from central Washington DC. The drive from the city centre to the terminal takes about 50 minutes. If you're thinking about using public transport, you can expect a journey of around 1 hour 30 minutes.

  • Make departure day worry-free — stay near Baltimore/Wash International Thurgood Marshall Airport and know you'll reach your boarding gate with time to spare. Settle in at one of these hotels the day before if you're catching an early Washington DC to Rapid City Regional Airport flight:

  • The on-time performance rate of BWI is 77.13%. In other words, that's how frequently flights that depart this airport reach their final stop as planned.

About Rapid City Regional Airport (RAP)

  • Once your flight from Washington DC to Rapid City Regional Airport has touched down, kick back and relax at a nearby hotel. La Quinta Inn and Suites by Wyndham at WaTiki Waterpark is a great option that's an easy drive from RAP.

  • The address for RAP is 4550 Terminal Road, Suite 102.

How to find the cheapest flights from Washington DC to Rapid City Regional Airport (RAP)

  • At the moment, R 1,786 is the lowest price we've found for a one-way ticket from Washington DC to Rapid City Regional Airport. The cheapest price for a return flight is R 4,424. Remember fares may change due to availability at the time of booking.

  • Booking early is often the key to finding a cheap flight from Washington DC to RAP. Prices tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' tool will show you the cheapest Washington DC to Rapid City Regional Airport tickets across every month. It's a good way to find a bargain if your trip dates aren't set in stone.

  • Finding a cheap plane ticket from Washington DC to RAP couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as prices go down.

  • Chase down a great fare on a flight from Washington DC to Rapid City Regional Airport with the help of the filters. Pick your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Washington DC to Rapid City Regional Airport (RAP)

  • It's time to decide when to book your flight from Washington DC to Rapid City Regional Airport (RAP). August is the most popular month to visit Rapid City. If you like your getaways a little more chill, think about going in February.

  • Lock in a Washington DC to RAP plane ticket departing in July if you're eager to experience the city during its warmest month. You can expect temperatures in Rapid City to range from 14ºC (57ºF) to 32ºC (90ºF).

  • February sees temperatures of between -16ºC (3ºF) and 7ºC (45ºF). Look for cheap tickets from Washington DC to Rapid City Regional Airport around that time if you want to travel when it's cooler.

More about Rapid City

Explore more of the United States

  • You've visited Rapid City, now it's time to discover more of the United States. Travel about 290 kilometres south-west to Casper to tick off its popular sights. From Nicolaysen Art Museum to Casper Mountain Lookout and White Water Park, you'll have a full itinerary ahead.

  • Around 193 kilometres west of Rapid City, Gillette is another favourite stop in the United States. Experience this destination's highlights firsthand at Eldridge Park, Gillette Brewing Company and The O-SO Fun Dog Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.