CA $172 Cheap Flights from Chicago (ORD) to Rapid City (RAP)

View CA $172 flight on Sun, Aug. 17, 2025Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Rapid City Regional Airport (RAP)

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Cheap flights from Chicago (ORD) to Rapid City (RAP)

Prices were available within the past 7 days and start at CA $172 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Chicago (ORD) to Rapid City (RAP)

August is typically the cheapest month to fly

From CA $263 - CA $510 per traveller.

Graph displaying average flight prices per month

Flight from Chicago to Rapid City (ORD - RAP) route information
Origin airport
O'Hare Intl.
Destination airport
Rapid City Regional
Distance
1243 km
Average flight time
1 hour 29 mins

Chicago to Rapid City Flights

The easy way to book your flights from Chicago to Rapid City 

With Expedia, it’s simple to find and book flights to Rapid City from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 14 airlines that cover this route. There are American Airlines, Emirates, Air New Zealand, United Airlines nonstop flights to Rapid City Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Rapid City today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to Rapid City Regional, RAP 

Sort your search results by price to find great deals on your flight from Chicago to Rapid City—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Rapid City from Chicago currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Rapid City  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Rapid City from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Rapid City with Expedia today.

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to Rapid City Regional Airport?
Round-trip journeys from O'Hare Airport to Rapid City Regional Airport start from . This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to Rapid City Regional Airport?
This varies from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from O'Hare Airport to Rapid City Regional Airport (RAP) that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from O'Hare Intl. Airport (ORD) to Rapid City Regional Airport (RAP). This allows you to snag a low rate in advance and still have the freedom to reschedule without any additional fees. If the new flight costs more, you'll just cover the difference.
How many hours is the flight from O'Hare Intl. Airport (ORD) to Rapid City Regional Airport (RAP)?
It takes approximately 4 hours and 19 minutes to get from ORD to Rapid City Regional Airport (RAP). But with some music and a good book, the hours will pass by quicker.
How far is the flight from O'Hare Airport to RAP?
The distance from ORD (ORD) to Rapid City Regional Airport (RAP) is only 1,250 kilometres. You'll be stepping off the plane and collecting your baggage from the carousel in no time at all.
Which airlines fly direct from O'Hare Airport to Rapid City Regional Airport (RAP)?
A leading airline that flies from O'Hare Intl. Airport (ORD) to Rapid City Regional Airport (RAP) is American Airlines (AA). It offers 0 flights monthly. Operating 0 flights a month on this route, United Airlines (UA) is another fantastic option.
Are O'Hare Airport to Rapid City Regional Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from O'Hare Airport to RAP are available up to a year prior to departure on Expedia. And although you may nab great last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so check back often for all the latest specials.

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