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Rapid City

$147+ Cheap flights from Chicago (CHI) 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.
CHI — RAP
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Rapid City are usually found in February or January, booked 56 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Chicago to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 16, 2025.

Round-trip from

$219
(United Airlines)

One-way from

$147
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$285

Good round-trip deal

$271 or less

Good one-way deal

$275 or less
From Chicago (CHI) to Rapid City
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One-way flight from Chicago (CHI) to Rapid City
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Highest demand for flights based on searches. 18% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 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 (CHI) to Rapid City.
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Price to beat on a one-way flight from Chicago (CHI) to Rapid City.
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Find flight deals from Chicago to Rapid City

Cheapest flights from Chicago to Rapid City
Explore the most affordable flight options available from Chicago to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 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 9/15. 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 10/28:45 amORD - RAP
Nonstop2h 28mUnited Airlines
Tue 10/712:56 pmRAP - ORD
1 stop6h 29mUnited Airlines
Deal found 9/15$229
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 9/308:45 amORD - RAP
Nonstop2h 28mUnited Airlines
Sat 10/45:50 pmRAP - ORD
1 stop5h 09mUnited Airlines
Deal found 9/15$239
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:55 amORD - RAP
2 stops7h 50mDelta
Sun 12/146:05 amRAP - ORD
1 stop4h 43mDelta
Deal found 9/14$244
This American 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 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 9/14$259
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:59 amMDW - RAP
1 stop6h 46mDelta
Tue 12/911:02 amRAP - MDW
1 stop6h 16mDelta
Deal found 9/15$269
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:34 amMDW - RAP
2 stops7h 11mDelta
Sun 12/146:05 amRAP - MDW
1 stop6h 03mDelta
Deal found 9/14$274
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:20 amMDW - RAP
1 stop5h 25mDelta
Wed 10/296:05 amRAP - MDW
1 stop6h 03mDelta
Deal found 9/15$291
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.
Sat 10/48:45 amORD - RAP
Nonstop2h 28mUnited Airlines
Tue 10/712:56 pmRAP - ORD
1 stop6h 29mUnited Airlines
Deal found 9/15$299
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:03 amORD - RAP
1 stop5h 42mDelta
Tue 12/92:51 pmRAP - ORD
1 stop5h 49mDelta
Deal found 9/14$304

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 16, 2025.
Use the filters below to find and compare flights from Chicago to Rapid City that are best for you.

Fly from

Chicago

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

Fri 10/17

5:01 am-9:10 am

1 stop5h 09m

Rapid City

Sat 10/18

9:00 am-5:05 pm

1 stop7h 05m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 12/10

8:50 am-2:09 pm

1 stop6h 19m

Rapid City

Sun 12/14

6:05 am-11:48 am

1 stop4h 43m

$239

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 10/2

5:01 am-9:10 am

1 stop5h 09m

Rapid City

Tue 10/7

5:50 pm-11:59 pm

1 stop5h 09m

$239

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Wed 3/11

9:20 am-3:14 pm

1 stop6h 54m

Rapid City

Sat 3/14

10:40 am-6:08 pm

1 stop6h 28m

$269

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Wed 12/10

9:34 am-3:45 pm

2 stops7h 11m

Rapid City

Sun 12/14

6:05 am-1:08 pm

1 stop6h 03m

$274

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 10/4

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Tue 10/7

12:56 pm-8:25 pm

1 stop6h 29m

$299

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

Wed 10/1

11:08 am-12:42 pm

Nonstop2h 34m

Rapid City

Sun 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$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

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 26 results
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Best time to book a flight from Chicago to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Chicago 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 to Rapid City

How far ahead should I book a flight from Chicago to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Rapid City. Price data was last updated on September 12, 2025.

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Rapid City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to Rapid City?

Currently, January is the cheapest month in which you can book a flight from Chicago to Rapid City (average of $348). Flying from Chicago 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 CHI to RAP?

Find hourly flight availability from Chicago 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 16, 2025.

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

Weekly flight availability from Chicago to Rapid City

Explore weekly flight availability from Chicago 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 September 16, 2025.

The most flights from CHI to RAP are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Chicago 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 September 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Chicago to Rapid City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

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
7,957 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

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 Chicago 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?

    Rapid City (RAP), located 9.0 mi from the city center, is the airport you fly into when you book flights from Chicago to Rapid City. 3 airlines have flights to Rapid City from Chicago on a regular basis. Booking flights from Chicago to Rapid City should not be difficult; the airport handles an average of 4 inbound flights from Chicago per day.

  • How long is the flight from Chicago to Rapid City?

    For as low as $219, United Airlines can have you in Rapid City from Chicago in 2h 28m. There are 777 mi between Chicago and Rapid City. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago to Rapid City round-trip?

    Currently priced at $209, American Airlines will fly you from Chicago to Rapid City and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $228 and $243, respectively. These flights start at 39% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Chicago to Rapid City?

    The top 3 most reliable airlines when flying from Chicago to Rapid City are SkyWest Airlines (75%), Emirates (73%) and Air New Zealand (73%).

  • What are the cheapest flights from Chicago to Rapid City?

    Looking for the cheapest flight from Chicago 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 $229.

  • Can I find deals for flights from Chicago to Rapid City that include hotel bookings?

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

  • How can I find direct flights from Chicago to Rapid City?

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

  • Can I find deals for business class flights from Chicago to Rapid City?

    Yes. Cheapflights offers flight deals from Chicago 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 to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Rapid City (average of $348). Flying from Chicago 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

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Top 3 airlines flying from Chicago to Rapid City

Discover the top 3 airlines that operate flights from Chicago 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 16, 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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