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CA $375 Cheap Flights from Rapid City (RAP) to Chicago (ORD)

View CA $375 flight on Sat, Aug 1, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $375 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from CA $375 and cheap return flights RAP to ORD with Expedia. One-way flights typically cost between CA$312 and CA$765. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when RAP to ORD ticket fares go up or down.
What is the cheapest month to fly from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest months to fly from RAP to ORD 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 Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
There are 2 airlines offering direct flights from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.). Here are the carriers:
  • United operates 16 direct flights from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.) every week.
  • American Airlines operates 14 direct flights from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.) every week.
What is the cheapest airline that flies from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
United is one of the cheapest airlines offering nonstop return flights from Rapid City Regional (RAP) to O'Hare Intl. (ORD), with tickets starting from around CA$288 for flights that can be booked for departure within the next year. American Airlines is one of the cheapest airlines offering connecting return flights from Rapid City Regional (RAP) to O'Hare Intl. (ORD), with a layover in Dallas-Fort Worth Intl. (DFW), with tickets starting from around CA$315. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Rapid City, SD (RAP) to Chicago, IL (ORD)?
To find a cheap flight from Rapid City, SD (RAP) to Chicago, IL (ORD), 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 Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. United offers the most daily flights from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.), 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 Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
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 Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find approximately 4 nonstop flights per day from Rapid City Regional (RAP) to O'Hare Intl. (ORD). For even more choices, look at flights that include layovers, as there are around 22 connecting flights per day. Some common connection points include Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Rapid City Regional (RAP) to O'Hare Intl. (ORD) typically departs around 5:00 AM local time. This service is operated by United and is seasonal, active in May and June. 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 Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
You'll typically find the most flights from Rapid City Regional (RAP) to O'Hare Intl. (ORD) on a Friday, with around 17 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Looking at the week, Fridays offer notably more flight options compared to other days, making it a great day to consider for your journey.
What are the most popular departure times for flights from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Rapid City Regional (RAP) to O'Hare Intl. (ORD) are between 12pm and 3pm. Many major carriers, including United, American Airlines and Delta, offer flights during this window. This timing works well for travellers who prefer a midday departure, allowing for a relaxed morning before heading to the airport.
How long does it take to fly from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
A nonstop flight from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.) typically takes around 2 hours 30 minutes. This route covers a distance of approximately 1,252 kilometers. If you opt for a one-stop flight, your journey will usually be longer, taking about 7 hours. Flights with two or more stops will extend your travel time even further, to around 9 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Rapid City, SD (RAP-Rapid City Regional) to Chicago, IL (ORD-O'Hare Intl.)?
Yes, you can fly business class or first class between RAP and ORD.First class cabins are available on Delta, United, and American Airlines.
How do I earn miles on a Rapid City, SD (RAP) to Chicago, IL (ORD) flight with Expedia?
It's easy to earn miles on a Rapid City, SD (RAP) to Chicago, IL (ORD) 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 Chicago, IL (ORD) from Rapid City, SD (RAP)?
If you're planning to travel to Chicago from Rapid City Regional (RAP), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN), or Minneapolis - St. Paul Intl. (MSP) before reaching Chicago. 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 Rapid City, SD (RAP) to Chicago, IL (ORD) at the last minute?
Typically, booking a last minute flight from Rapid City, SD (RAP) to Chicago, IL (ORD) 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 Rapid City, SD (RAP) to Chicago, IL (ORD) flight and hotel package?
Securing a Rapid City, SD (RAP) to Chicago, IL (ORD) 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 Rapid City, SD (RAP) to Chicago, IL (ORD)?
If you booked your Rapid City, SD (RAP) to Chicago, IL (ORD) 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
Rapid City Regional
Destination airport
O'Hare Intl.
Distance
1243 km
Average flight time
3 hours 30 mins

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Rapid City to Chicago Flights

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

With Expedia, it’s simple to find and book flights to Chicago from Rapid City 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 nonstop flights to O'Hare Intl., 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 Rapid City to Chicago today, tomorrow, or this week.  

 

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

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

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 Chicago with Expedia today.

Rapid City to Chicago Flights

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