£164 Cheap Flights from Chicago (ORD) to Rapid City (RAP)

View £164 flight on Sun, 14 Sep 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 £164 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)

September is typically the cheapest month to fly

From £142 - £253 per traveller.

Graph displaying average flight prices per month

Flight from Chicago to Rapid City route information
Origin airport
O'Hare Intl.
Destination airport
Rapid City Regional
Distance
1243 km
Average flight time
1 hour 27 mins

Compare flights from Chicago to Rapid City easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Rapid City. Operating between them 4 flights per day, 13 airlines cover the route. And American Airlines, Emirates, Air New Zealand, United Airlines fly direct, getting you to Rapid City Regional in just 2hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Rapid City Regional.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Rapid City Regional (RAP)

The easiest way to view the best deals on flights from Chicago to Rapid City today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Rapid City Regional start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Rapid City
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Rapid City flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Rapid City Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from O'Hare Airport to Rapid City Regional Airport (RAP)?
The lowest price advertised for a round-trip journey between ORD and Rapid City Regional Airport (RAP) is . But you better get a move on. This figure is taken from fares available within the last 7 days on Expedia for flights departing within the next year. 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?
Most flights can be cancelled online, but each airline has a different set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from ORD to Rapid City Regional Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ORD to RAP flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Airport to Rapid City Regional Airport?
With a flight distance of 1,250 kilometres, it's just a short hop from O'Hare Airport to RAP. It might be a quick flight, but it's still worth bringing along something to read.
Which airlines fly direct from O'Hare Airport to Rapid City Regional Airport (RAP)?
If you're looking to fly straight from ORD to Rapid City Regional Airport, United Airlines (UA) is a great choice. It operates 30 flights each month between Chicago and Rapid City.
Are O'Hare Intl. Airport (ORD) to RAP flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute deals between ORD and RAP are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines release their prices up to 12 months before the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking back and be ready to book when fare prices drop.

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