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Rapid City

$103+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — RAP
août 5 — août 121
mar. 8/5
mar. 8/12
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 39 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 juillet 31, 2025.

Round-trip from

$226
(American Airlines)

One-way from

$103
(American Airlines)

Popular in

April

Cheapest in

February

Average price

$428

Good round-trip deal

$254 or less

Good one-way deal

$350 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. 16% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 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 juillet 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/214:21 pmORD - RAP
Nonstop2h 21mAmerican Airlines
dim. 8/246:12 pmRAP - ORD
Nonstop2h 18mAmerican Airlines
Deal found 7/29$226
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/47:15 pmMDW - RAP
1 stop4h 15mDelta
mar. 10/76:05 amRAP - MDW
1 stop6h 03mDelta
Deal found 7/28$229
This United Airlines deal was found by Cheapflights users on 7/30. 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.
sam. 8/238:53 amORD - RAP
Nonstop2h 29mUnited Airlines
mar. 8/261:35 pmRAP - ORD
Nonstop2h 21mUnited Airlines
Deal found 7/30$271
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/95:35 pmORD - RAP
1 stop5h 56mDelta
ven. 8/154:25 pmRAP - ORD
1 stop4h 09mDelta
Deal found 7/29$299
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/216:00 amORD - RAP
1 stop14h 40mMultiple Airlines
dim. 8/248:30 pmRAP - ORD
1 stop7h 20mMultiple Airlines
Deal found 7/30$317

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 juillet 31, 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

jeu. 8/21

4:21 pm-5:42 pm

Nonstop2h 21m

Rapid City

dim. 8/24

6:12 pm-9:30 pm

Nonstop2h 18m

$226

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

sam. 10/4

7:15 pm-10:30 pm

1 stop4h 15m

Rapid City

mar. 10/7

6:05 am-1:08 pm

1 stop6h 03m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

sam. 8/23

8:53 am-10:22 am

Nonstop2h 29m

Rapid City

mar. 8/26

1:35 pm-4:56 pm

Nonstop2h 21m

$271

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

jeu. 12/4

6:00 am-10:05 am

1 stop5h 05m

Rapid City

mar. 12/9

10:40 am-9:46 pm

2 stops10h 06m

$305

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

jeu. 8/21

6:00 am-7:40 pm

1 stop14h 40m

Rapid City

dim. 8/24

8:30 pm-4:50 am

1 stop7h 20m

$317

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

dim. 9/28

4:17 pm-5:42 pm

Nonstop2h 25m

$103

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

lun. 8/25

10:10 am-4:46 pm

1 stop7h 36m

$109

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

lun. 9/29

11:00 am-3:43 pm

1 stop5h 43m

$113

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

mer. 8/20

7:09 pm-7:40 pm

2 stops25h 31m

$114

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

mar. 8/26

8:49 am-12:38 pm

1 stop4h 49m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 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 July 25, 2025.

Booking 39 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 juillet 31, 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 juillet 31, 2025.

The most flights from CHI to RAP are scheduled on a Thursday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 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 juillet 31, 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
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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!
Sun Country Air
6.9
Okay
334 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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 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 6 inbound flights from Chicago per day.

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

    Currently priced at $226, 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 $229 and $271, respectively. These flights start at 34% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Rapid City one-way?

    The cheapest airlines for a one-way flight from Chicago to Rapid City are American Airlines ($103), Sun Country Air ($109), and Delta ($113).

  • 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 American Airlines (83%), Envoy Air (83%) and United Airlines (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 $428, our data indicates the cheapest price to be $200. The most popular route (Chicago O'Hare Intl - Rapid City), is priced around $201.

  • 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

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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 juillet 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$294FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$233Average$353FlexibilityNo cancel feeOn-time69%

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