C$178 Cheap Flights from Baltimore Washington International (BWI) to Rapid City Regional (RAP)

Compare Baltimore Washington International 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 Baltimore Washington International to Rapid City Regional

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Rapid City Regional Airport? If you want to travel next month, return fares start from C$536. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Baltimore Washington International to Rapid City Regional from C$178 one-way

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

Baltimore Washington International to Rapid City Regional: Alternative routes

Compare routes from Baltimore Washington International 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$178
Cheapest month to flyJuly

Finding cheap flights from Baltimore Washington International to Rapid City Regional: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Rapid City Regional is C$454. 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 Baltimore Washington International to Rapid City Regional. But we found flights with one or more stops from C$454.
As of May 2026, there are no flights flying from Baltimore Washington International to Rapid City Regional.
The cheapest month to fly from Baltimore Washington International to Rapid City Regional is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Rapid City Regional Airport on Wednesday, October 14, 2026.
No airlines currently offer direct flights between Baltimore Washington International Airport 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.
Currently, Delta offers the cheapest flight tickets to Rapid City Regional.

Flying from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Rapid City Regional Airport (RAP): what you need to know

  • Longer lines at check-in and security are more likely if you're heading away during high season, so give yourself some extra breathing room. A good rule of thumb for peak times? Arrive up to four hours early for international flights and two hours for domestic departures.

  • We make it simple to get a flight with a stopover. To see all the options for flights from Baltimore/Wash International Thurgood Marshall Airport to Rapid City Regional Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Popular stopovers between BWI and RAP are:

    • O'Hare International Airport

    • Minneapolis-St. Paul International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Rapid City Regional Airport (RAP)

  • C$178 is the lowest price for a one-way ticket from Baltimore/Wash International Thurgood Marshall Airport to Rapid City Regional Airport. A return flight starts at C$454. These fares can change depending on availability and demand.

  • To score cheap flight tickets from BWI to RAP, book in advance. Airlines generally offer the most competitive fares when flights are first released.

  • Getting cheap flight tickets from Baltimore/Wash International Thurgood Marshall Airport to Rapid City Regional Airport is easy if you can be flexible with your travel plans. Try using the 'Whole month' search tool to see the lowest fares throughout the month and snap up a great deal.

  • Getting a cheap ticket from BWI to RAP is straightforward with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when there's a better deal.

  • Take advantage of filters to find the best journey for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Baltimore/Wash International Thurgood Marshall Airport to Rapid City Regional Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

Arriving at Rapid City Regional Airport (RAP)

  • Hop off your flight from Baltimore/Wash International Thurgood Marshall Airport to Rapid City Regional Airport and jump into your hotel bed soon after. If you want a comfortable option that's not too far from RAP, unpack your bags at 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 center driving.

When to fly to Rapid City Regional Airport (RAP)

  • It's time to choose your trip dates for your flight from Baltimore/Wash International Thurgood Marshall Airport to Rapid City Regional Airport. August is the most popular month to visit Rapid City. If you like a more low-key vibe, go in February.

  • When booking your flight from Baltimore/Wash International Thurgood Marshall Airport to Rapid City Regional Airport, consider the type of weather you enjoy. July is the warmest month in Rapid City, with temperatures ranging from 14ºC to 32ºC.

  • Search for cheap flight tickets from BWI to RAP in February if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -16ºC and 7ºC on average.

More about Rapid City

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Rapid City right here. Check out these options once you've booked your flight from BWI to RAP:

  • There are so many things to explore in this city it can be hard to figure out where to begin. Dinosaur Park, Storybook Island and Museum of Geology are popular attractions which should feature on every Rapid City itinerary.

Complete your Rapid City trip with hotels and a car rental

  • We don't just compare flights. After booking your cheap ticket to Rapid City Regional Airport, browse our great car rental deals that'll give you the freedom to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find the ideal Rapid City stay.

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