C$149 Cheap Flights from Washington D.C. (WASA) to Rapid City Regional (RAP)

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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 C$411. 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 foundC$149
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 C$369. 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 C$369.
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, July 21, 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

  • Countless great adventures start at one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Explore your options for booking a flight from Washington DC to Rapid City Regional Airport (RAP) taking off from either of these bases.

  • The timezone in Rapid City is UTC-6, which is 2 hours behind Washington DC. Rapid City Regional Airport is located in Rapid City.

  • Get to the airport on time so you don't miss your flight from Washington DC to RAP. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • If you're getting away during a peak month like July, be at the airport even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of a domestic departure. Check-in and security lines are longer during vacation periods like summer, Christmas and New Year.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • The distance from central Washington DC to DCA is about 8 kilometres. Check out travel apps like Google Maps for the best way to get there, whether you prefer to drive or use public transport.

  • After an easy start to your travels? Stay near Ronald Reagan National Airport. Whether you've booked an early flight from Washington DC to Rapid City Regional Airport or just don't want to be rushed, these hotels are perfect:

Washington Dulles International Airport (IAD)

About Rapid City Regional Airport (RAP)

  • Get off your flight from Washington DC to Rapid City Regional Airport and be snoozing in your hotel bed shortly after. If you need a comfortable option a short journey from RAP, make your way to La Quinta Inn & Suites by Wyndham Rapid City.

Getting from Rapid City Regional Airport (RAP) to central Rapid City

  • From Rapid City Regional Airport, Rapid City is approximately 18 kilometres away. It takes around 20 minutes to reach the centre driving.

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

  • Book a one-way ticket from Washington DC to Rapid City Regional Airport from C$149 or travel return from just C$369. Fares listed are subject to change and may differ when you make your booking.

  • It's a good idea to book early if you want to get flight tickets from Washington DC to RAP. That's because airlines adjust prices based on demand, which tends to rise closer to the departure date.

  • If you're flexible with your trip dates, take advantage of the 'Whole month' tool. It'll show you the cheapest price in each month when searching for your ticket from Washington DC to Rapid City Regional Airport.

  • Snapping up a cheap ticket from Washington DC to RAP is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when the price has dropped.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Washington DC to Rapid City Regional Airport.

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

  • February is the quietest time of year to fly to Rapid City. Alternatively, follow the crowds and take your trip in August. This is the most popular month for flights from Washington DC to Rapid City Regional Airport.

  • The warmest month in Rapid City is July, with the temperature ranging between 14ºC and 32ºC. Book your flights from Washington DC to RAP in this month if this is the type of weather you enjoy.

  • Look for cheap flights from Washington DC to Rapid City Regional Airport in February if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -16ºC and 7ºC on average.

More about Rapid City

  • When it comes to searching for somewhere to rest your head, you'll find the top stays in Rapid City right here. Explore these hotels after locking in your flight from Washington DC to Rapid City Regional Airport:

  • All great adventures should include a little sightseeing. Dinosaur Park, Storybook Island and Museum of Geology are must-do's during your Rapid City adventure.

Complete your Rapid City trip with a car rental

  • Close all those tabs and let us do the hard work for you. We can also help you find deals on car rentals in Rapid City once you've booked your hotel and cheap flight from Washington DC to Rapid City Regional Airport. Easily compare prices all in one place and drive away with the perfect rental for less.

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