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CA $361 Cheap Flights from Chicago (ORD) to Rapid City (RAP)

View CA $361 flight on Fri, Jul 31, 2026Opens 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 $361 for one-way flights and CA $385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 15 - Tue, Sep 1
ORD
Chicago
RAP
Rapid City
CA $385 Roundtrip, found 12 hours ago
CA $385
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Aug 15 from Chicago to Rapid City, returning Tue, Sep 1, priced at CA $385 found 12 hours ago
Delta
Sun, Aug 23 - Tue, Sep 8
ORD
Chicago
RAP
Rapid City
CA $398 Roundtrip, found 12 hours ago
CA $398
Roundtrip
found 12 hours ago
Select Delta flight, departing Sun, Aug 23 from Chicago to Rapid City, returning Tue, Sep 8, priced at CA $398 found 12 hours ago
American Airlines
Fri, Jul 31 - Sat, Aug 1
ORD
Chicago
RAP
Rapid City
CA $425 Roundtrip, found 23 hours ago
CA $425
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Jul 31 from Chicago to Rapid City, returning Sat, Aug 1, priced at CA $425 found 23 hours ago
Delta
Sun, Aug 23 - Thu, Sep 10
ORD
Chicago
RAP
Rapid City
CA $439 Roundtrip, found 12 hours ago
CA $439
Roundtrip
found 12 hours ago
Select Delta flight, departing Sun, Aug 23 from Chicago to Rapid City, returning Thu, Sep 10, priced at CA $439 found 12 hours ago
American Airlines
Fri, Jul 31 - Sat, Aug 1
ORD
Chicago
RAP
Rapid City
CA $466 Roundtrip, found 23 hours ago
CA $466
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Jul 31 from Chicago to Rapid City, returning Sat, Aug 1, priced at CA $466 found 23 hours ago
United
Wed, Aug 19 - Sat, Sep 5
ORD
Chicago
RAP
Rapid City
CA $470 Roundtrip, found 12 hours ago
CA $470
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 19 from Chicago to Rapid City, returning Sat, Sep 5, priced at CA $470 found 12 hours ago
American Airlines
Tue, Jul 28 - Tue, Aug 11
ORD
Chicago
RAP
Rapid City
CA $483 Roundtrip, found 12 hours ago
CA $483
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Jul 28 from Chicago to Rapid City, returning Tue, Aug 11, priced at CA $483 found 12 hours ago
United
Wed, Aug 19 - Tue, Sep 8
ORD
Chicago
RAP
Rapid City
CA $484 Roundtrip, found 12 hours ago
CA $484
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 19 from Chicago to Rapid City, returning Tue, Sep 8, priced at CA $484 found 12 hours ago
Delta
Sat, Jul 11 - Thu, Jul 30
ORD
Chicago
RAP
Rapid City
CA $495 Roundtrip, found 12 hours ago
CA $495
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Jul 11 from Chicago to Rapid City, returning Thu, Jul 30, priced at CA $495 found 12 hours ago
United
Tue, Jul 28 - Thu, Aug 13
ORD
Chicago
RAP
Rapid City
CA $496 Roundtrip, found 12 hours ago
CA $496
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Jul 28 from Chicago to Rapid City, returning Thu, Aug 13, priced at CA $496 found 12 hours ago

Alternative airports near Rapid City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Rapid City Regional RAP. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $539
RAP
Rapid City Regional
CheapestClosest
Average driving time to city centre16 min
Flights from CA $539

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional) cost?
You can find one-way and return flights from ORD to RAP with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to RAP ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD) to Rapid City, SD (RAP)?
The cheapest months to fly from Chicago, IL (ORD) to Rapid City, SD (RAP) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
There are 2 airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional). These include:
  • United operates 24 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional) every week.
  • American Airlines operates 16 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional) every week.
How do I find cheap flights from Chicago, IL (ORD) to Rapid City, SD (RAP)?
To find a cheap flight from Chicago, IL (ORD) to Rapid City, SD (RAP), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD) to Rapid City, SD (RAP)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
You'll find approximately 5 nonstop flights per day from Chicago O'Hare International (ORD) to Rapid City Regional (RAP). For even more choices, look at flights that include layovers, as there are around 47 connecting flights per day. Some common connection points include Denver International (DEN), Dallas-Fort Worth International (DFW), and Minneapolis - St. Paul International (MSP).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
The earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional) typically departs around 5:00 AM. This service is offered by American Airlines. This is a seasonal service active only in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
You'll find the most flights from Chicago O'Hare International Airport (ORD) to Rapid City Regional (RAP) on a Sunday, with around 27 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Sunday offers notably more flight options compared to other days of the week, making it a good day to consider if you need flexibility.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
The most popular departure times for flights from Chicago O'Hare International Airport (ORD) to Rapid City Regional Airport (RAP) are in the early morning, from 6am to 9am. Many major carriers, including United, Delta and American Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
A non-stop flight from Chicago O'Hare International Airport (ORD) to Rapid City Regional (RAP) typically takes around 2 hours 48 minutes. This route covers a distance of about 1,252 kilometres. If you opt for a one-stop flight, your journey will be longer, usually taking around 7 hours 18 minutes. Flights with two or more stops will extend your travel time even further, to about 9 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
Yes, you can fly business class or first class between ORD and RAP. You can fly business class with Delta.First class cabins are available on Delta, United, and American Airlines.
How do I earn miles on a Chicago, IL (ORD) to Rapid City, SD (RAP) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD) to Rapid City, SD (RAP) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Rapid City, SD (RAP) from Chicago, IL (ORD)?
If you're planning to travel to Rapid City from O'Hare Intl. (ORD), you can fly directly into Rapid City Regional (RAP). Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Detroit Metropolitan Wayne County (DTW), or Austin-Bergstrom Intl. (AUS) before reaching Rapid City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD) to Rapid City, SD (RAP) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD) to Rapid City, SD (RAP) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD) to Rapid City, SD (RAP) flight and hotel package?
Securing a Chicago, IL (ORD) to Rapid City, SD (RAP) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD) to Rapid City, SD (RAP)?
If you booked your Chicago, IL (ORD) to Rapid City, SD (RAP) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
CA $384
Distance
1243 km
Average flight time
1 hour 38 mins

Book with confidence

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 20 airlines that cover this route. There are 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 CA $385 rising to CA $496.  

Here are more money-saving tips: 

  • Fly in August 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.

Chicago to Rapid City Flights

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