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Rapid City

$113+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — RAP
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Find cheap flights from Chicago to Rapid City with Cheapflights

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Cheapflights Tip: The best prices from Chicago to Rapid City are usually found in September or October, booked 86 days in advance, depart on a Thursday or Wednesday 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 March 30, 2026.

This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:20 pm
ORD
-
RAP
Nonstop2h 20m
American Airlines
Sat 9/56:10 pm
RAP
-
ORD
Nonstop2h 19m
American Airlines
Deal found 3/27$269
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:06 am
ORD
-
RAP
Nonstop2h 30m
United Airlines
Sun 4/194:15 pm
RAP
-
ORD
1 stop6h 13m
United Airlines
Deal found 3/27$279
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 7/115:54 pm
ORD
-
RAP
1 stop5h 33m
Delta
Wed 7/1511:00 am
RAP
-
ORD
1 stop4h 59m
Delta
Deal found 3/27$289
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:55 pm
ORD
-
RAP
Nonstop2h 47m
United Airlines
Sun 8/166:00 am
RAP
-
ORD
Nonstop2h 36m
United Airlines
Deal found 3/28$291
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Mon 7/135:00 am
ORD
-
RAP
1 stop5h 20m
United Airlines
Thu 7/301:35 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Deal found 3/25$294
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:00 pm
ORD
-
RAP
Nonstop2h 41m
United Airlines
Fri 5/89:30 am
RAP
-
ORD
Nonstop2h 26m
United Airlines
Deal found 3/28$296
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 4/1410:41 am
ORD
-
RAP
1 stop6h 46m
American Airlines
Sun 4/1911:53 am
RAP
-
ORD
Nonstop2h 27m
American Airlines
Deal found 3/26$299
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Mon 6/88:45 am
ORD
-
RAP
Nonstop2h 39m
United Airlines
Sat 6/136:00 am
RAP
-
ORD
Nonstop2h 34m
United Airlines
Deal found 3/25$305
This United Airlines deal was found by Cheapflights users on 3/25. 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 7/258:45 am
ORD
-
RAP
Nonstop2h 39m
United Airlines
Wed 7/291:35 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Deal found 3/25$306
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 4/109:45 am
ORD
-
RAP
Nonstop2h 38m
American Airlines
Tue 4/1411:53 am
RAP
-
ORD
Nonstop2h 27m
American Airlines
Deal found 3/25$309
This Delta deal was found by Cheapflights users on 3/26. 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.
Tue 4/147:16 pm
MDW
-
RAP
1 stop4h 04m
Delta
Sun 4/196:00 am
RAP
-
MDW
1 stop6h 32m
Delta
Deal found 3/26$309
This Delta deal was found by Cheapflights users on 3/26. 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.
Tue 4/141:36 pm
ORD
-
RAP
2 stops9h 44m
Delta
Sun 4/196:00 am
RAP
-
ORD
1 stop4h 34m
Delta
Deal found 3/26$314

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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$113
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$498

Good round-trip deal

$308 or less

Good one-way deal

$188 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. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 30, 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

Fri 4/24

8:00 pm-9:41 pm

Nonstop2h 41m

Rapid City

Fri 5/1

2:35 pm-10:58 pm

1 stop7h 23m

$279

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/11

5:54 pm-10:27 pm

1 stop5h 33m

Rapid City

Wed 7/15

11:00 am-4:59 pm

1 stop4h 59m

$289

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 4/10

7:00 pm-10:25 pm

1 stop4h 25m

Rapid City

Tue 4/14

10:58 am-8:40 pm

2 stops8h 42m

$334

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 4/9

12:15 pm-3:18 pm

1 stop4h 03m

Rapid City

Sun 4/12

6:00 am-11:35 am

1 stop4h 35m

$349

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 5/7

8:05 pm-9:46 pm

Nonstop2h 41m

Rapid City

Mon 5/11

2:35 pm-10:58 pm

1 stop7h 23m

$359

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/11

6:00 am-12:29 pm

1 stop7h 29m

Rapid City

Wed 7/15

1:35 pm-4:59 pm

Nonstop2h 24m

$359

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 5/9

5:45 pm-9:55 pm

1 stop5h 10m

Rapid City

Mon 5/18

4:13 pm-11:57 pm

1 stop6h 44m

$369
Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 7/17

7:55 pm-9:42 pm

Nonstop2h 47m

Rapid City

Sun 7/26

6:00 am-9:34 am

Nonstop2h 34m

$375

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/8

7:55 pm-9:42 pm

Nonstop2h 47m

Rapid City

Thu 8/13

10:13 am-6:27 pm

1 stop7h 14m

$390

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sun 6/21

5:00 am-9:20 am

1 stop5h 20m

Rapid City

Sun 6/28

1:35 pm-4:59 pm

Nonstop2h 24m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 39 resultsSorted by cheapest first
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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 March.
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

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 March 13, 2026.

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 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 March 30, 2026.

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

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 March 30, 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
7.9
Good
8,359 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,359 reviews
Delta
7.9
Good
8,359 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,514 reviews
Delta
7.9
Good
8,359 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,530 reviews
Delta
7.9
Good
8,359 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 1 inbound flight from Chicago per day.

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

    For as low as $279, United Airlines can have you in Rapid City from Chicago in 2h 41m. 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 $250, respectively. These flights start at 43% lower than the current average price 3 months from now.

  • 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 $287, our data indicates the cheapest price to be $178. The most popular route (Chicago O'Hare Intl - Rapid City), is priced around $269.

  • 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.

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

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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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$320FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$357FlexibilityNo cancel feeOn-time69%

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