HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$146+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RAP
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
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 November or September, booked 85 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap 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 agosto 18, 2025.

Round-trip from

$229
(United Airlines)

One-way from

$146
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$328

Good round-trip deal

$296 or less

Good one-way deal

$275 or less
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 ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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

Find 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 agosto 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
mié. 9/105:00 amORD - RAP
1 stop5h 06mUnited Airlines
mié. 9/174:47 pmRAP - ORD
1 stop6h 12mUnited Airlines
Deal found 8/18$229
This American Airlines deal was found by Cheapflights users on 8/18. 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.
mié. 10/111:08 amORD - RAP
Nonstop2h 34mAmerican Airlines
dom. 10/56:12 pmRAP - ORD
Nonstop2h 18mAmerican Airlines
Deal found 8/18$239
This American Airlines deal was found by Cheapflights users on 8/17. 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.
vie. 9/265:00 amORD - RAP
1 stop6h 35mAmerican Airlines
lun. 9/296:12 pmRAP - ORD
Nonstop2h 18mAmerican Airlines
Deal found 8/17$240
This American Airlines deal was found by Cheapflights users on 8/16. 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.
vie. 9/55:00 amORD - RAP
1 stop6h 35mAmerican Airlines
dom. 9/76:12 pmRAP - ORD
Nonstop2h 18mAmerican Airlines
Deal found 8/16$249
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/316:10 amORD - RAP
1 stop5h 04mDelta
jue. 9/410:55 amRAP - ORD
1 stop4h 50mDelta
Deal found 8/16$261
This United Airlines deal was found by Cheapflights users on 8/18. 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.
vie. 10/108:45 amORD - RAP
Nonstop2h 28mUnited Airlines
sáb. 10/185:50 pmRAP - ORD
1 stop5h 09mUnited Airlines
Deal found 8/18$263
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/11:25 pmORD - RAP
2 stops10h 11mDelta
mar. 11/410:33 amRAP - ORD
1 stop5h 17mDelta
Deal found 8/17$274
This American Airlines deal was found by Cheapflights users on 8/18. 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.
vie. 9/1911:08 amORD - RAP
Nonstop2h 34mAmerican Airlines
dom. 9/216:12 pmRAP - ORD
Nonstop2h 18mAmerican Airlines
Deal found 8/18$278
This American Airlines deal was found by Cheapflights users on 8/18. 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.
jue. 10/25:00 amORD - RAP
1 stop7h 22mAmerican Airlines
dom. 10/56:12 pmRAP - ORD
Nonstop2h 18mAmerican Airlines
Deal found 8/18$280

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 agosto 18, 2025.
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

O'Hare Intl

Fly to

Rapid City

Route

Depart

Return

Price

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

mié. 9/10

5:00 am-9:06 am

1 stop5h 06m

Rapid City

mié. 9/17

4:47 pm-11:59 pm

1 stop6h 12m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

mié. 10/1

11:08 am-12:42 pm

Nonstop2h 34m

Rapid City

dom. 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$239

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

vie. 9/5

5:00 am-10:35 am

1 stop6h 35m

Rapid City

lun. 9/8

6:12 pm-9:30 pm

Nonstop2h 18m

$240

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

jue. 10/2

4:17 pm-5:42 pm

Nonstop2h 25m

Rapid City

dom. 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$240

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

vie. 9/26

5:00 am-10:35 am

1 stop6h 35m

Rapid City

lun. 9/29

6:12 pm-9:30 pm

Nonstop2h 18m

$240

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

vie. 10/3

11:08 am-12:42 pm

Nonstop2h 34m

Rapid City

dom. 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$240

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

lun. 8/25

8:53 am-10:22 am

Nonstop2h 29m

$146

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

mié. 10/15

7:15 am-5:08 pm

2 stops34h 53m

$150

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

dom. 9/14

5:00 am-9:06 am

1 stop5h 06m

$156

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

sáb. 9/20

2:25 pm-10:30 pm

2 stops9h 05m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 14 results
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Rapid City. Price data was last updated on August 8, 2025.

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 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Rapid City?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Rapid City (average of $348). Flying from Chicago O'Hare Intl Airport to Rapid City in June is currently the most expensive (average of $502). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 agosto 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Chicago O'Hare Intl Airport to Rapid City by exploring options for tickets at noon.

Weekly flight availability from Chicago O'Hare Intl Airport to Rapid City

Explore weekly flight availability from O'Hare Intl to Rapid City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated agosto 18, 2025.

The most flights from ORD to RAP are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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 agosto 18, 2025.
Get a feel of what it's like to fly with Delta, 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.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 3 inbound flights from Chicago O'Hare Intl per day from 3 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 34m. United Airlines provides one of the quickest options available for as low as $239. Chicago O'Hare Intl Airport and Rapid City are separated by a distance of 777 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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), Delta ($228), and United Airlines ($228) offers the cheapest pricing from Chicago O'Hare Intl Airport to Rapid City. American Airlines is 35% 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: Envoy Air (70%), American Airlines (70%), United Airlines( 65%).

  • 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 $412, our data indicates the cheapest price to be $125. The most popular route (Chicago O'Hare Intl - Rapid City), is priced around $209.

  • 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.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Rapid City (average of $348). Flying from Chicago O'Hare Intl Airport to Rapid City in June is currently the most expensive (average of $502). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
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
O'Hare Intl to Aberdeen flights
O'Hare Intl to Pierre flights

Top 3 airlines flying from O'Hare Intl to Rapid City

Discover the top 3 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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$288FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$352FlexibilityNo 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.