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O'Hare Intl

$131+ Cheap flights from Rapid City (RAP) to O'Hare Intl (ORD)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — ORD
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
1 adult, Economy
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Cheap flight deals from Rapid City to O'Hare Intl

Cheapest flights from Rapid City to O'Hare Intl
Explore the most affordable flight options available from Rapid City to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.

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.
Tue 10/135:53 pm
RAP
-
ORD
1 stop5h 06m
United Airlines
Sat 10/178:47 am
ORD
-
RAP
Nonstop2h 28m
United Airlines
Deal found 7/30$271
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:31 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Mon 9/78:58 am
ORD
-
RAP
Nonstop2h 28m
United Airlines
Deal found 7/27$279
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.
Wed 9/25:58 pm
RAP
-
ORD
1 stop5h 01m
United Airlines
Wed 9/95:00 am
ORD
-
RAP
1 stop5h 27m
United Airlines
Deal found 7/30$281
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:17 am
RAP
-
ORD
1 stop7h 12m
United Airlines
Wed 10/148:47 am
ORD
-
RAP
Nonstop2h 28m
United Airlines
Deal found 7/26$287
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:20 pm
RAP
-
ORD
Nonstop2h 39m
American Airlines
Sun 9/64:57 pm
ORD
-
RAP
1 stop6h 07m
American Airlines
Deal found 7/28$289
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:25 pm
RAP
-
ORD
Nonstop2h 39m
American Airlines
Sun 9/69:43 am
ORD
-
RAP
Nonstop2h 32m
American Airlines
Deal found 7/27$290
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:31 pm
RAP
-
ORD
Nonstop2h 24m
United Airlines
Wed 8/268:58 am
ORD
-
RAP
Nonstop2h 28m
United Airlines
Deal found 7/29$299

Find flight deals from Rapid City to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to O'Hare Intl (ORD). 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 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(United Airlines)

One-way from

$131
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$342

Good round-trip deal

$379 or less

Good one-way deal

$323 or less
Provider with most accurate pricing for Rapid City-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Chicago O'Hare Intl flights.
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From Rapid City to Chicago O'Hare Intl
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One-way flight from Rapid City to Chicago O'Hare Intl
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Highest demand for flights based on searches. 22% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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Price to beat on a round-trip flight from Rapid City to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Rapid City to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to O'Hare Intl 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 31, 2026.
Use the filters below to find and compare flights from Rapid City to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 9/3

1:31 pm-4:55 pm

Nonstop2h 24m

Chicago O'Hare Intl

Mon 9/7

8:58 am-10:26 am

Nonstop2h 28m

$279

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 9/24

1:37 pm-5:01 pm

Nonstop2h 24m

Chicago O'Hare Intl

Mon 9/28

8:47 am-10:15 am

Nonstop2h 28m

$279

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 10/7

11:17 am-7:29 pm

1 stop7h 12m

Chicago O'Hare Intl

Wed 10/14

8:47 am-10:15 am

Nonstop2h 28m

$287

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 8/20

3:27 pm-10:46 pm

1 stop6h 19m

Chicago O'Hare Intl

Wed 8/26

8:58 am-10:26 am

Nonstop2h 28m

$309

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 10/16

11:29 am-7:34 pm

1 stop7h 05m

Chicago O'Hare Intl

Fri 10/30

9:59 am-3:58 pm

1 stop6h 59m

$319

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 9/3

1:31 pm-4:55 pm

Nonstop2h 24m

Chicago O'Hare Intl

Sun 9/6

3:56 pm-10:33 pm

1 stop7h 37m

$329

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 9/5

1:31 pm-4:55 pm

Nonstop2h 24m

Chicago O'Hare Intl

Sun 9/6

8:58 am-10:26 am

Nonstop2h 28m

$350

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sun 8/23

1:31 pm-4:55 pm

Nonstop2h 24m

Chicago O'Hare Intl

Sun 8/30

5:00 am-9:28 am

1 stop5h 28m

$368

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 1/21

5:48 pm-11:57 pm

1 stop5h 09m

Chicago O'Hare Intl

Mon 1/25

6:15 pm-10:08 pm

1 stop4h 53m

$379
Cheapest one-way

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Mon 8/31

3:27 pm-10:46 pm

1 stop6h 19m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Rapid City to O'Hare Intl

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 Rapid City to O'Hare Intl 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 Rapid City-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Chicago O'Hare Intl Airport 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 Rapid City-Chicago O'Hare Intl Airport 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 Rapid City to O'Hare Intl

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

What is the cheapest month to book a flight from Rapid City to Chicago O'Hare Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Rapid City to Chicago O'Hare Intl Airport (average of $187). Flying from Rapid City to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $665). 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 RAP to ORD?

Find hourly flight availability from Rapid City to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2026.

When flying from Rapid City to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Rapid City to Chicago O'Hare Intl Airport?

Airfare is below average for this route at the moment.

Rapid City to Chicago O'Hare Intl Airport flights typically cost between $281 and $351 in August.
The cheapest round-trip price found within the last 5 days was $271 on United Airlines (Aug 26-Sep 1).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 31, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Rapid City to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,053 reviews

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
10,053 reviews
United Airlines
7.4
Good
10,053 reviews

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.1
Good
11,846 reviews
United Airlines
7.4
Good
10,053 reviews

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to O'Hare Intl. 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 from for flights from Rapid City to Chicago O'Hare Intl?

    For a flight from Rapid City to Chicago O'Hare Intl, you will be flying from Rapid City. Rapid City (RAP) is just 9.0 mi from the center of the city. Rapid City is the only Rapid City airport and it handles 6 outbound flights to Chicago O'Hare Intl per day. 2 airlines have flights to Chicago O'Hare Intl from Rapid City on a regular basis.

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

    United Airlines and Delta can get you from Rapid City to Chicago O'Hare Intl Airport in just under 2h 24m. Your travel time can differ by up to 4h 41m. The distance from Rapid City to Chicago O'Hare Intl Airport is about 777 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    American Airlines, at $187, was found to be the cheapest airline from Rapid City to Chicago O'Hare Intl Airport. An alternate airline flying to your destination would be United Airlines. American Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Rapid City to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Rapid City, check out the most reliable airlines to get you to your destination on time: American Airlines (77%), Envoy Air (77%), Qatar Airways( 75%).

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

    The cheapest flight price from Rapid City to Chicago O'Hare Intl Airport is $209. On average you can expect to pay $443. The most popular route, (Rapid City - Chicago O'Hare Intl), can usually be booked for $279.

  • Can I find deals for flights from Rapid City to O'Hare Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Rapid City to O'Hare Intl 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 Rapid City to Chicago O'Hare Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Rapid City to Chicago O'Hare Intl Airport (average of $187). Flying from Rapid City to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $665). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Aurora
Racine
Great Lakes
Janesville

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Alternative routes for Rapid City to O'Hare Intl

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

Top 2 airlines flying from Rapid City to O'Hare Intl

Discover the top 2 airlines that operate flights from Rapid City to O'Hare Intl. 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 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$187Average$297FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$335FlexibilityNo cancel feeOn-time69%

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