HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$131+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — RAP
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
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 May or December, booked 74 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap 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 July 27, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. 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 9/195:00 am
ORD
-
RAP
1 stop5h 47m
American Airlines
Sat 9/266:07 pm
RAP
-
ORD
Nonstop2h 38m
American Airlines
Deal found 7/22$261
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/268:58 am
ORD
-
RAP
Nonstop2h 28m
United Airlines
Mon 8/311:31 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Deal found 7/25$270
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/235:00 am
ORD
-
RAP
1 stop5h 47m
American Airlines
Wed 9/306:07 pm
RAP
-
ORD
Nonstop2h 38m
American Airlines
Deal found 7/26$271
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/158:58 am
ORD
-
RAP
Nonstop2h 28m
United Airlines
Fri 8/211:31 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Deal found 7/25$279
This American Airlines deal was found by Cheapflights users on 7/26. 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 8/293:54 pm
ORD
-
RAP
1 stop6h 41m
American Airlines
Sat 9/53:25 pm
RAP
-
ORD
Nonstop2h 39m
American Airlines
Deal found 7/26$280
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/297:00 am
ORD
-
RAP
1 stop5h 55m
United Airlines
Tue 9/85:48 pm
RAP
-
ORD
1 stop5h 11m
United Airlines
Deal found 7/23$281
This Delta deal was found by Cheapflights users on 7/26. 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 10/2110:01 am
MDW
-
RAP
1 stop4h 56m
Delta
Sat 10/2411:29 am
RAP
-
MDW
1 stop4h 18m
Delta
Deal found 7/26$281
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/239:43 am
ORD
-
RAP
Nonstop2h 32m
American Airlines
Sun 8/305:06 pm
RAP
-
ORD
1 stop6h 12m
American Airlines
Deal found 7/25$289
This Delta deal was found by Cheapflights users on 7/25. 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.
Fri 10/239:59 am
ORD
-
RAP
1 stop6h 58m
Delta
Sat 10/244:38 pm
RAP
-
ORD
1 stop3h 54m
Delta
Deal found 7/25$290
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 10/2310:01 am
MDW
-
RAP
1 stop4h 56m
Delta
Sat 10/2411:29 am
RAP
-
MDW
1 stop4h 18m
Delta
Deal found 7/27$290
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/155:00 am
ORD
-
RAP
1 stop5h 27m
United Airlines
Tue 9/225:48 pm
RAP
-
ORD
1 stop5h 11m
United Airlines
Deal found 7/24$297
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 9/185:00 am
ORD
-
RAP
1 stop5h 47m
American Airlines
Fri 9/254:56 pm
RAP
-
ORD
1 stop6h 18m
American Airlines
Deal found 7/24$299

Find 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(American Airlines)

One-way from

$131
(United Airlines)

Popular in

November

Cheapest in

May

Average price

$345

Good round-trip deal

$289 or less

Good one-way deal

$253 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. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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

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 July 27, 2026.
Use the filters below to find and compare flights from Chicago to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 8/26

8:58 am-10:26 am

Nonstop2h 28m

Rapid City

Thu 8/27

5:00 am-11:28 am

1 stop5h 28m

$302

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 8/25

1:30 pm-5:58 pm

1 stop5h 28m

Rapid City

Sun 8/30

5:58 pm-12:01 am

1 stop5h 03m

$302

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 9/9

6:24 pm-10:18 pm

1 stop4h 54m

Rapid City

Wed 9/16

2:30 pm-9:33 pm

1 stop6h 03m

$310

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Fri 9/4

9:59 am-1:48 pm

1 stop4h 49m

Rapid City

Sun 9/6

10:46 am-3:57 pm

1 stop4h 11m

$319

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 10/2

8:47 am-10:15 am

Nonstop2h 28m

Rapid City

Mon 10/5

5:53 pm-11:59 pm

1 stop5h 06m

$335
Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/29

8:58 am-10:26 am

Nonstop2h 28m

Rapid City

Mon 8/31

5:58 pm-11:59 pm

1 stop5h 01m

$360

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 9/8

5:00 am-9:27 am

1 stop5h 27m

Rapid City

Sun 9/13

5:48 pm-11:59 pm

1 stop5h 11m

$367

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 9/3

5:00 am-9:28 am

1 stop5h 28m

Rapid City

Tue 9/8

5:48 pm-11:59 pm

1 stop5h 11m

$369

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Sat 8/29

7:25 pm-10:37 pm

1 stop4h 12m

Rapid City

Mon 8/31

10:46 am-6:01 pm

1 stop6h 15m

$379

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/15

8:58 am-10:26 am

Nonstop2h 28m

Rapid City

Fri 8/21

11:22 am-8:21 pm

1 stop7h 59m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 44 resultsSorted by cheapest first
1
2
3
...
5

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub the most. FlightHub 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

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

Currently, December is the cheapest month in which you can book a flight from Chicago to Rapid City (average of $314). Flying from Chicago to Rapid City in November is currently the most expensive (average of $536). 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 July 27, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 27% on flights from Chicago to Rapid City by exploring options for tickets in the afternoon.

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 July 27, 2026.

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

How much does it cost to fly round-trip from Chicago to Rapid City?

Airfare is below average for this route at the moment.
Chicago to Rapid City flights typically cost between $279 and $435 in October.
The cheapest round-trip price found within the last 5 days was $261 on United Airlines (Oct 14-Oct 21).

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

Booking 22 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 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 July 25, 2026.

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

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 July 27, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican 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
7.8
Good
8,490 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,490 reviews
Delta
7.8
Good
8,490 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,043 reviews
Delta
7.8
Good
8,490 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,843 reviews
Delta
7.8
Good
8,490 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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. 2 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 8 inbound flights from Chicago per day.

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

    For as low as $302, 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 $229, 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. Check Cheapflights for deals on United Airlines for as low as $253. 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 American Airlines (93%), Envoy Air (93%) and Emirates (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 $340, our data indicates the cheapest price to be $156. The most popular route (Chicago O'Hare Intl - Rapid City), is priced around $261.

  • 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, December is the cheapest month in which you can book a flight from Chicago to Rapid City (average of $314). Flying from Chicago to Rapid City in November is currently the most expensive (average of $536). 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
Keystone
Deadwood
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.

Top 2 airlines flying from Chicago to Rapid City

Discover the top 2 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$229Average$349FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$253Average$369FlexibilityNo 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.
Site
©2026 Cheapflights