HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$141+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — RAP
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago 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 to Rapid City are usually found in February or January, booked 61 days in advance, depart on a Tuesday 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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$141
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$299

Good round-trip deal

$279 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Chicago (CHI)-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Rapid City flights.
Search Deals
From Chicago (CHI) to Rapid City
Search Deals
One-way flight from Chicago (CHI) to Rapid City
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Rapid City.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Rapid City.
Search Deals

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 April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/23. 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 6/137:45 pmORD - RAP
Nonstop2h 34mUnited Airlines
Sun 6/156:20 amRAP - ORD
Nonstop2h 24mUnited Airlines
Deal found 4/23$209
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/15:00 amORD - RAP
1 stop5h 45mAmerican Airlines
Wed 7/95:57 pmRAP - ORD
Nonstop2h 16mAmerican Airlines
Deal found 4/23$232
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 5/251:45 pmORD - RAP
2 stops9h 49mDelta
Sat 5/316:33 amRAP - ORD
1 stop4h 14mDelta
Deal found 4/23$234
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 5/257:25 pmMDW - RAP
1 stop4h 09mDelta
Sat 5/316:33 amRAP - MDW
1 stop5h 42mDelta
Deal found 4/23$264
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Wed 5/218:37 amORD - RAP
2 stops37h 37mMultiple Airlines
Sat 5/243:32 pmRAP - ORD
3 stops36h 53mMultiple Airlines
Deal found 4/23$421

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 April 24, 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

Fri 6/13

7:45 pm-9:19 pm

Nonstop2h 34m

Rapid City

Sun 6/15

6:20 am-9:44 am

Nonstop2h 24m

$209

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 7/1

5:00 am-9:45 am

1 stop5h 45m

Rapid City

Wed 7/9

5:57 pm-9:13 pm

Nonstop2h 16m

$232

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sun 5/25

1:45 pm-10:34 pm

2 stops9h 49m

Rapid City

Sat 5/31

6:33 am-11:47 am

1 stop4h 14m

$234

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Sun 5/25

7:25 pm-10:34 pm

1 stop4h 09m

Rapid City

Sat 5/31

6:33 am-1:15 pm

1 stop5h 42m

$264

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 5/21

8:37 am-9:14 pm

2 stops37h 37m

Rapid City

Sat 5/24

3:32 pm-5:25 am

3 stops36h 53m

$421

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 5/16

4:35 pm-9:00 am

1 stop17h 25m

$141

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sun 7/20

10:09 am-11:30 am

Nonstop2h 21m

$142

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sun 7/20

2:30 pm-4:21 pm

1 stop26h 51m

$166

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 7/22

8:05 pm-9:46 pm

Nonstop2h 41m

$177

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Mon 6/23

6:00 am-10:56 am

1 stop5h 56m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 11 results
1
2

Compare providers for flights from Chicago 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 Chicago to Rapid City in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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-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-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Rapid City flights, Cheapflights users trust eDreams the most. eDreams 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-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 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 April 18, 2025.

Booking 55 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 May is currently the most expensive (average of $556). 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 April 24, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 51% on flights from Chicago to Rapid City by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Chicago to Rapid City?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Rapid City. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Chicago to Rapid City flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 April 24, 2025.

The most flights from CHI to RAP are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Rapid City by month

Plan your trip to Rapid City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

Temperature in Rapid City by month

Plan your trip to Rapid City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rapid City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 April 24, 2025.
To help decide which airline to fly from Chicago to Rapid City, see what other customers have to say about Delta, United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Sun Country Air
6.9
Okay
349 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 3 inbound flights from Chicago per day.

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

    Currently priced at $209, United Airlines will fly you from Chicago to Rapid City and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $232 and $234, respectively. These flights start at 35% 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 ($142), Sun Country Air ($166), and United Airlines ($177).

  • 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 Emirates (94%), United Airlines (94%) and Air New Zealand (94%).

  • 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 $360, our data indicates the cheapest price to be $143. The most popular route (Chicago O'Hare Intl - Rapid City), is priced around $209.

  • 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 May is currently the most expensive (average of $556). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Deadwood
Spearfish
Keystone
Sturgis
Wall

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.

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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$314FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$402FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$244Average$371FlexibilityNo 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.