HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$138+ Cheap flights from O'Hare Intl (ORD) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RAP
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl 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 O'Hare Intl to Rapid City are usually found in September or April, booked 85 days in advance, depart on a Thursday or Wednesday and return on a Saturday

Cheap flight deals from O'Hare Intl to Rapid City

Cheapest flights from O'Hare Intl to Rapid City
Explore the most affordable flight options available from O'Hare Intl to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This American Airlines deal was found by Cheapflights users on 3/31. 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 8/2911:00 am
ORD
-
RAP
Nonstop2h 30m
American Airlines
Sat 9/56:10 pm
RAP
-
ORD
Nonstop2h 19m
American Airlines
Deal found 3/31$269
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 5/85:35 pm
RAP
-
ORD
1 stop5h 22m
United Airlines
Deal found 3/28$279
This Delta deal was found by Cheapflights users on 3/29. 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.
Sat 7/115:54 pm
ORD
-
RAP
1 stop5h 33m
Delta
Sat 7/186:48 am
RAP
-
ORD
1 stop3h 57m
Delta
Deal found 3/29$289
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 7/227:50 pm
ORD
-
RAP
Nonstop2h 47m
United Airlines
Mon 7/276:00 am
RAP
-
ORD
Nonstop2h 34m
United Airlines
Deal found 3/30$290
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 3/31. 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 7/118:45 am
ORD
-
RAP
Nonstop2h 39m
United Airlines
Wed 7/151:35 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Deal found 3/31$297
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/159:45 am
ORD
-
RAP
1 stop7h 42m
American Airlines
Tue 4/2111:53 am
RAP
-
ORD
Nonstop2h 27m
American Airlines
Deal found 3/31$299
This Delta deal was found by Cheapflights users on 3/31. 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 4/156:25 am
ORD
-
RAP
1 stop4h 52m
Delta
Tue 4/2110:58 am
RAP
-
ORD
1 stop6h 15m
Delta
Deal found 3/31$309
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.
Thu 6/257:55 pm
ORD
-
RAP
Nonstop2h 47m
United Airlines
Tue 6/3010:21 am
RAP
-
ORD
1 stop7h 25m
United Airlines
Deal found 3/28$317

Find flight deals from O'Hare Intl to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$138
(Kiwi.com)

Popular in

October

Cheapest in

September

Average price

$291

Good round-trip deal

$308 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Rapid City flights.
Search Deals
From Chicago O'Hare Intl to Rapid City
Search Deals
One-way flight from Chicago O'Hare Intl to Rapid City
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Rapid City.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Rapid City.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 1, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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 4/17

9:06 am-10:36 am

Nonstop2h 30m

Rapid City

Sun 4/19

4:15 pm-11:28 pm

1 stop6h 13m

$279

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 4/17

7:09 pm-10:20 pm

1 stop4h 11m

Rapid City

Sun 4/19

10:58 am-6:13 pm

1 stop6h 15m

$329

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 4/18

7:07 pm-10:20 pm

1 stop4h 13m

Rapid City

Sun 4/19

6:00 am-11:34 am

1 stop4h 34m

$329
Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 5/29

2:33 pm-7:13 pm

1 stop5h 40m

Rapid City

Mon 6/1

1:35 pm-4:59 pm

Nonstop2h 24m

$359

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

Fri 6/5

6:00 am-12:29 pm

1 stop7h 29m

Rapid City

Wed 6/10

5:53 pm-12:44 am

1 stop5h 51m

$369

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 4/24

6:25 am-10:17 am

1 stop4h 52m

Rapid City

Sun 4/26

3:55 pm-9:38 pm

1 stop4h 43m

$374

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 5/7

8:42 am-1:44 pm

1 stop6h 02m

Rapid City

Mon 5/11

4:33 pm-9:20 pm

1 stop3h 47m

$404
Cheapest one-way

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 6/19

7:50 pm-9:37 pm

Nonstop2h 47m

$206

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 5/27

7:50 pm-9:37 pm

Nonstop2h 47m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Rapid City in April.
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 O'Hare Intl Airport-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 O'Hare Intl Airport-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from O'Hare Intl 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 O'Hare Intl Airport to Rapid City

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Rapid City. Price data was last updated on March 13, 2026.

The price you pay for your flight from Chicago O'Hare Intl Airport to Rapid City may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from ORD to RAP?

Find hourly flight availability from O'Hare Intl 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 1, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 24% on flights from Chicago O'Hare Intl Airport to Rapid City by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport 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 April 1, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to Rapid City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,368 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
8,368 reviews
Delta
7.9
Good
8,368 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
9,529 reviews
Delta
7.9
Good
8,368 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
11,544 reviews
Delta
7.9
Good
8,368 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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 O'Hare Intl 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 O'Hare Intl?

    Most people fly into Rapid City (RAP) if they book a flight to Rapid City from Chicago O'Hare Intl. On average, Rapid City has 2 inbound flights from Chicago O'Hare Intl per day from 3 airlines. Rapid City is conveniently located just 9.0 mi from Rapid City’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Rapid City?

    A quick flight from Chicago O'Hare Intl Airport to Rapid City can take about 2h 30m. United Airlines provides one of the quickest options available for as low as $279. Chicago O'Hare Intl Airport and Rapid City are separated by a distance of 777 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Rapid City round-trip?

    According to our current data, American Airlines ($209), Delta ($228), and United Airlines ($250) offers the cheapest pricing from Chicago O'Hare Intl Airport to Rapid City. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Rapid City?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport 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 O'Hare Intl to Rapid City that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Rapid City?

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

  • Can I find deals for business class flights from O'Hare Intl to Rapid City?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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

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.

Alternative routes for O'Hare Intl to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sioux Falls flights
Midway to Sioux Falls flights
Midway to Rapid City flights

Top 3 airlines flying from O'Hare Intl to Rapid City

Discover the top 3 airlines that operate flights from O'Hare Intl 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$320FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$357FlexibilityNo 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