HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$167+ Cheap flights from O'Hare Intl (ORD) to Rapid City (RAP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RAP
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Rapid City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Rapid City are usually found in January or August, booked 85 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from O'Hare Intl to Rapid City

Cheapest flights from O'Hare Intl to Rapid City
Explore the most affordable flight options available from O'Hare Intl to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.

This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:00 pm
ORD
-
RAP
Nonstop2h 37m
American Airlines
Wed 9/306:07 pm
RAP
-
ORD
Nonstop2h 38m
American Airlines
Deal found 6/28$251
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:40 am
ORD
-
RAP
Nonstop2h 34m
American Airlines
Wed 8/512:20 pm
RAP
-
ORD
Nonstop2h 29m
American Airlines
Deal found 7/1$260
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:58 am
ORD
-
RAP
Nonstop2h 28m
United Airlines
Sat 8/221:31 pm
RAP
-
ORD
Nonstop2h 21m
United Airlines
Deal found 6/29$268
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:00 pm
ORD
-
RAP
Nonstop2h 37m
American Airlines
Sun 9/276:07 pm
RAP
-
ORD
Nonstop2h 38m
American Airlines
Deal found 6/28$269
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:00 am
ORD
-
RAP
1 stop5h 28m
United Airlines
Thu 8/271:31 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Deal found 6/30$270
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:00 am
ORD
-
RAP
1 stop5h 47m
American Airlines
Wed 7/293:26 pm
RAP
-
ORD
Nonstop2h 34m
American Airlines
Deal found 7/1$279
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:00 am
ORD
-
RAP
1 stop5h 47m
American Airlines
Sat 8/85:06 pm
RAP
-
ORD
1 stop6h 12m
American Airlines
Deal found 6/30$280
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am
ORD
-
RAP
1 stop5h 27m
United Airlines
Wed 9/231:31 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Deal found 6/27$286
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:25 pm
ORD
-
RAP
Nonstop2h 30m
American Airlines
Sat 9/53:25 pm
RAP
-
ORD
Nonstop2h 39m
American Airlines
Deal found 6/28$299

Find flight deals from O'Hare Intl to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Rapid City (RAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(American Airlines)

One-way from

$167
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$434

Good round-trip deal

$313 or less

Good one-way deal

$242 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Rapid City flights.
Search Deals
From Chicago O'Hare Intl to Rapid City
Search Deals
One-way flight from Chicago O'Hare Intl to Rapid City
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Rapid City.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Rapid City.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Rapid City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 7/22

9:30 pm-11:16 pm

Nonstop2h 46m

Rapid City

Tue 7/28

4:40 pm-12:44 am

1 stop7h 04m

$270
Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 9/16

9:00 am-10:26 am

Nonstop2h 26m

Rapid City

Wed 9/23

1:31 pm-4:55 pm

Nonstop2h 24m

$306

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/25

6:00 am-12:29 pm

1 stop7h 29m

Rapid City

Sun 7/26

6:00 am-9:34 am

Nonstop2h 34m

$317

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sun 7/5

5:00 am-9:20 am

1 stop5h 20m

Rapid City

Sun 7/12

6:00 am-9:34 am

Nonstop2h 34m

$354

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 7/17

5:00 am-9:19 am

1 stop5h 19m

Rapid City

Mon 7/20

4:36 pm-10:49 pm

1 stop5h 13m

$364

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 7/31

8:45 am-10:24 am

Nonstop2h 39m

Rapid City

Sun 8/2

1:35 pm-4:59 pm

Nonstop2h 24m

$364

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/15

8:58 am-10:26 am

Nonstop2h 28m

Rapid City

Sat 8/15

5:58 pm-9:43 am

1 stop14h 45m

$492

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 8/6

5:00 am-10:25 pm

1 stop18h 25m

Rapid City

Wed 8/12

5:58 pm-11:59 pm

1 stop5h 01m

$504

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 7/7

5:00 am-9:19 am

1 stop5h 19m

Rapid City

Wed 7/15

5:53 pm-7:46 am

2 stops12h 53m

$592

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 8/4

8:28 am-1:48 pm

1 stop6h 20m

Rapid City

Sat 8/8

10:46 am-8:30 pm

2 stops8h 44m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from O'Hare Intl to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Rapid City in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Rapid City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Rapid City

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Rapid City?

The price you pay for your flight from Chicago O'Hare Intl Airport to Rapid City may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from ORD to RAP?

Find hourly flight availability from O'Hare Intl to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Chicago O'Hare Intl Airport to Rapid City by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Rapid City?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Rapid City. Price data was last updated on June 27, 2026.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Rapid City flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Rapid City?

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rapid City. Reviews last updated July 3, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Chicago O'Hare Intl Airport to Rapid City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,927 reviews

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,May 2023

ORD - DLH

Didn’t have to wait long for the plane and was in the lounge through that time could relax there made it nice.
United Airlines
7.4
Good
9,927 reviews
United Airlines
7.4
Good
9,927 reviews

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,May 2023

ORD - DLH

Didn’t have to wait long for the plane and was in the lounge through that time could relax there made it nice.
American Airlines
7.1
Good
11,764 reviews
United Airlines
7.4
Good
9,927 reviews

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,May 2023

ORD - DLH

Didn’t have to wait long for the plane and was in the lounge through that time could relax there made it nice.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Rapid City from Chicago O'Hare Intl?

    Most people fly into Rapid City (RAP) if they book a flight to Rapid City from Chicago O'Hare Intl. On average, Rapid City has 7 inbound flights from Chicago O'Hare Intl per day from 2 airlines. Rapid City is conveniently located just 9.0 mi from Rapid City’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Rapid City?

    A quick flight from Chicago O'Hare Intl Airport to Rapid City can take about 2h 46m. United Airlines provides one of the quickest options available for as low as $270. Chicago O'Hare Intl Airport and Rapid City are separated by a distance of 777 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Rapid City round-trip?

    According to our current data, American Airlines ($209), and United Airlines ($253) offers the cheapest pricing from Chicago O'Hare Intl Airport to Rapid City. American Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Rapid City?

    Before booking your flight to Rapid City from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (91%), Envoy Air (91%), Emirates( 68%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Rapid City?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Rapid City? While on average our users pay $365, our data indicates the cheapest price to be $209. The most popular route (Chicago O'Hare Intl - Rapid City), is priced around $260.

  • Can I find deals for flights from O'Hare Intl to Rapid City that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Rapid City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Rapid City.

  • Can I find deals for business class flights from O'Hare Intl to Rapid City?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Rapid City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sioux Falls flights
Midway to Rapid City flights
Midway to Sioux Falls flights

Top 2 airlines flying from O'Hare Intl to Rapid City

Discover the top 2 airlines that operate flights from O'Hare Intl to Rapid City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$349FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$253Average$369FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.