179 € Cheap Flights from Chicago O'Hare International to Rapid City Regional

Compare Chicago O'Hare International to Rapid City Regional flight deals

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

Book the best Rapid City Regional fare with no extra fees

Flight deals from Chicago O'Hare International to Rapid City Regional

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Rapid City Regional? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Rapid City Regional

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

Direct flights from Chicago O'Hare International to Rapid City Regional

Chicago O'Hare International to Rapid City Regional: Alternative routes

Compare routes from Chicago O'Hare International to Rapid City below. You may find an airport to fly into that's cheaper, faster, or easier than Rapid City Regional.

Chicago to Rapid City: Flight information

The things to know before you go.
Cheapest flight found179 €
Cheapest month to flyNovember
Average flight time2 hrs, 33 mins
Most popular airlineEnvoy Air
Average flights per week46

Finding cheap flights from Chicago O'Hare International to Rapid City Regional: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Rapid City Regional is 179 €. 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.
2 hours and 33 minutes is the average flight time from Chicago O'Hare International to Rapid City Regional.
Envoy Air, American Airlines and United fly direct from Chicago O'Hare International to Rapid City Regional.
As of October 2025, there are 46 flights per week flying from Chicago O'Hare International to Rapid City Regional.
The cheapest month to fly from Chicago O'Hare International to Rapid City Regional is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Rapid City Regional Airport on Friday, 21 November 2025.
Yes – the average flight time is 2 hours and 33 minutes.
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.
Currently, United offers the cheapest flight tickets to Rapid City Regional.

Flying from O'Hare International Airport (ORD) to Rapid City Regional Airport (RAP): what you need to know

  • Around 2 hours 25 minutes is how long you can expect to be in the air on a direct flight from O'Hare International Airport to Rapid City Regional Airport.

  • Flights from ORD to RAP start at 08:45 — the earliest with United Airlines. The last service of the day is at 14:30 with United Airlines. In total, you can take your pick of 19 weekly O'Hare International Airport to Rapid City Regional Airport flights.

  • Arrive at the airport on time so you don't miss your ORD to RAP flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Flying during a peak month such as August? School holidays and other popular periods can lead to longer lines at security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.

  • American Airlines has direct flights from O'Hare International Airport to Rapid City Regional Airport. Book with this popular airline, then get ready to tick off the sights in Rapid City — and maybe even more of United States if you have time.

  • The majority of passengers choose to fly with American Airlines on this route.

  • With 71.43% of services arriving as planned, United Airlines is the most punctual carrier offering ORD to RAP flights.

  • Think about adding a stopover when booking your ticket from O'Hare International Airport to Rapid City Regional Airport. Simply uncheck 'Direct flights only' to break up your journey, or even explore someplace new along the way. Check out these options between ORD and RAP:

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Rapid City Regional Airport (RAP)

  • Currently, 111 € is the cheapest price we've found for a one-way O'Hare International Airport to Rapid City Regional Airport flight. The best price for a return ticket is 179 €. Remember that fares could change due to demand when booking.

  • To secure cheap tickets from ORD to RAP, reserve your journey six months ahead of your planned departure.

  • Schedule your trip for May. That's the cheapest month for flights from O'Hare International Airport to Rapid City Regional Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest price across every month.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll update you the moment there's a new deal on cheap flights from ORD to RAP.

  • Secure the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from O'Hare International Airport to Rapid City Regional Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about O'Hare International Airport (ORD)

  • You'll find ORD at 10000 West O'Hare.

  • 74.85% of flights departing from O'Hare International Airport arrive at their destination on schedule.

  • Central Chicago to O'Hare International Airport is approximately 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to catch public transport? You can expect a journey time of around 55 minutes.

  • Taking an early flight from O'Hare International Airport to Rapid City Regional Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays near ORD:

Arriving at Rapid City Regional Airport (RAP)

  • Consider checking in to La Quinta Inn & Suites by Wyndham Rapid City after your O'Hare International Airport to Rapid City Regional Airport flight. It's a quick drive from RAP and a comfortable option if you'd like to freshen up right away.

  • Hit the road running by picking up a Rapid City Regional Airport rental car. Grab a set of wheels from Avis, Alamo or Enterprise and explore beyond Rapid City's main sights.

  • Improve your chances of securing the lowest price by booking as early as you can. Reserving your ride from Rapid City Regional Airport at least a few weeks in advance is a smart idea.

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

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

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

When to fly to Rapid City Regional Airport (RAP)

  • August is the busiest month for flights from O'Hare International Airport to Rapid City Regional Airport. For smaller crowds, visit Rapid City in February.

  • The warmest month in Rapid City is July, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from O'Hare International Airport to Rapid City Regional Airport in this month if this is the kind of weather you like.

  • If you like travelling in cooler conditions, look for a cheap ticket from ORD to RAP in February. Temperatures average between -16ºC (3ºF) and 7ºC (45ºF) then.

Explore more of United States

  • Rapid City is always a good idea, but there are so many other corners of United States you'll want to see. Around 418 kilometres south of Rapid City, a trip to Fort Collins will keep you on the go. Check out popular attractions like Jack Lantern's Northern Colorado Corn Maze, Fort Collins Country Club and State Fort Collins.

  • Thornton is another favourite destination in United States and is around 483 kilometres south of Rapid City. No trip is complete without a visit to Margaret W Carpenter Recreation Centre, Thorncreek Golf Course and Avaya.

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