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Rapid City

$147+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RAP
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Rapid City are usually found in February or November, 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 September 15, 2025.

Round-trip from

$219
(United Airlines)

One-way from

$147
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$287

Good round-trip deal

$271 or less

Good one-way deal

$275 or less
From Chicago O'Hare Intl to Rapid City
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One-way flight from Chicago O'Hare Intl to Rapid City
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Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Rapid City.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Rapid City.
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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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/98:45 amORD - RAP
Nonstop2h 28mUnited Airlines
Tue 10/1412:56 pmRAP - ORD
1 stop6h 29mUnited Airlines
Deal found 9/15$219
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/38:45 amORD - RAP
Nonstop2h 28mUnited Airlines
Tue 10/74:35 pmRAP - ORD
1 stop5h 04mUnited Airlines
Deal found 9/14$229
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 12/106:45 amORD - RAP
2 stops10h 00mDelta
Sun 12/146:05 amRAP - ORD
1 stop4h 43mDelta
Deal found 9/13$234
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/98:45 amORD - RAP
Nonstop2h 28mUnited Airlines
Wed 10/155:50 pmRAP - ORD
1 stop5h 09mUnited Airlines
Deal found 9/15$235
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/304:09 pmORD - RAP
1 stop7h 03mUnited Airlines
Sat 10/41:44 pmRAP - ORD
Nonstop2h 21mUnited Airlines
Deal found 9/15$239
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/254:17 pmORD - RAP
Nonstop2h 25mAmerican Airlines
Mon 9/296:12 pmRAP - ORD
Nonstop2h 18mAmerican Airlines
Deal found 9/13$259
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/256:45 amORD - RAP
1 stop5h 51mAmerican Airlines
Mon 10/274:28 pmRAP - ORD
1 stop6h 25mAmerican Airlines
Deal found 9/13$269
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/48:45 amORD - RAP
Nonstop2h 28mUnited Airlines
Tue 10/74:35 pmRAP - ORD
1 stop5h 04mUnited Airlines
Deal found 9/13$289

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 September 15, 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

Thu 10/9

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Tue 10/14

12:56 pm-8:25 pm

1 stop6h 29m

$219

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 10/9

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Wed 10/15

5:50 pm-11:59 pm

1 stop5h 09m

$235

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 10/1

7:10 am-10:57 am

1 stop4h 47m

Rapid City

Sat 10/4

5:30 am-11:28 am

1 stop4h 58m

$249

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 10/17

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Sat 10/18

1:44 pm-5:05 pm

Nonstop2h 21m

$259

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/4

11:03 am-3:45 pm

1 stop5h 42m

Rapid City

Tue 12/9

2:51 pm-9:40 pm

1 stop5h 49m

$304

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 10/4

5:01 am-9:52 am

1 stop5h 51m

Rapid City

Tue 10/7

12:56 pm-9:30 pm

1 stop7h 34m

$309

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 12/10

6:45 am-3:45 pm

2 stops10h 00m

Rapid City

Sun 12/14

6:05 am-6:22 pm

2 stops11h 17m

$314

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 10/3

2:17 pm-8:34 pm

1 stop7h 17m

Rapid City

Sun 10/5

5:50 pm-11:59 pm

1 stop5h 09m

$319

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/11

8:30 pm-9:40 am

1 stop14h 10m

$172

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 10/14

8:45 am-10:13 am

Nonstop2h 28m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
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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 September 12, 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 September 15, 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.

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 September 15, 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
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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 28m. United Airlines provides one of the quickest options available for as low as $219. 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), Delta ($228), and United Airlines ($243) offers the cheapest pricing from Chicago O'Hare Intl Airport to Rapid City. American Airlines is 34% 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: Emirates (70%), Air New Zealand (70%), American Airlines( 69%).

  • 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 $293, our data indicates the cheapest price to be $205. 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

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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
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$297FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$243Average$354FlexibilityNo cancel feeOn-time69%

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