Chicago

$141+ Cheap flights from Rapid City (RAP) to Chicago (CHI)

RAP — CHI
Oct 14 — Oct 211
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Cheap flight deals from Rapid City to Chicago

Cheapest flights from Rapid City to Chicago

Thu 12/36:00 am -
Nonstop2h 34m
Tue 12/87:50 pm -
Nonstop2h 52m
Deal found 9/10$290
Wed 10/2112:30 pm -
1 stop6h 00m
Wed 10/288:40 am -
Nonstop2h 51m
Deal found 9/9$291
Fri 10/26:07 pm -
Nonstop2h 38m
Sun 10/44:00 pm -
Nonstop2h 37m
Deal found 9/10$299
Wed 10/215:04 pm -
1 stop5h 55m
Wed 10/286:00 am -
1 stop7h 21m
Deal found 9/9$301
Wed 10/215:04 pm -
1 stop5h 55m
Sun 10/256:00 am -
1 stop7h 21m
Deal found 9/10$310
Thu 12/311:21 am -
1 stop4h 29m
Tue 12/812:39 pm -
1 stop4h 14m
Deal found 9/10$310
Fri 10/231:37 pm -
Nonstop2h 24m
Tue 10/2710:55 am -
1 stop7h 14m
Deal found 9/12$320
Sat 11/146:45 am -
1 stop4h 03m
Wed 11/185:42 pm -
1 stop5h 55m
Deal found 9/13$321
Sat 11/1411:29 am -
1 stop4h 10m
Wed 11/1810:34 am -
1 stop6h 20m
Deal found 9/13$321
Wed 9/3012:47 pm -
1 stop6h 43m
Sat 10/34:00 pm -
Nonstop2h 37m
Deal found 9/10$329
Fri 11/134:36 pm -
1 stop3h 57m
Wed 11/189:59 am -
1 stop6h 55m
Deal found 9/13$330
Sat 11/1411:29 am -
1 stop4h 10m
Mon 11/235:29 pm -
1 stop6h 08m
Deal found 9/13$330

Find flight deals from Rapid City to Chicago

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$290
(United Airlines)

One-way from

$141
(United Airlines)

Popular in

January

Cheapest in

June

Average price

$324

Good round-trip deal

$465 or less

Good one-way deal

$376 or less
Provider with most accurate pricing for Rapid City-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Rapid City-Chicago (CHI) flights.
From Rapid City to Chicago (CHI)
One-way flight from Rapid City to Chicago (CHI)
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in September 2026
Price to beat on a round-trip flight from Rapid City to Chicago (CHI).
Price to beat on a one-way flight from Rapid City to Chicago (CHI).

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Wed 3/10

7:05 am-2:34 pm

1 stop6h 29m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$251

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Wed 10/28

4:38 pm-9:27 pm

1 stop3h 49m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$261

Rapid CityChicago

RAP Rapid City - MDW Chicago Midway

RAPMDW

Rapid City

Wed 10/28

6:39 am-11:47 am

1 stop4h 08m

Chicago Midway

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$261

Rapid CityChicago

RAP Rapid City - MDW Chicago Midway

RAPMDW

Rapid City

Wed 12/2

11:21 am-4:50 pm

1 stop4h 29m

Chicago Midway

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$261
Quickest round-trip

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Mon 10/19

1:37 pm-5:01 pm

Nonstop2h 24m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$269

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Sun 10/18

1:37 pm-5:01 pm

Nonstop2h 24m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$269

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Sun 12/13

6:00 am-9:34 am

Nonstop2h 34m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$279

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Fri 3/5

4:00 pm-9:37 pm

1 stop4h 37m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$279

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Wed 12/16

6:00 am-9:34 am

Nonstop2h 34m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$279

Rapid CityChicago

RAP Rapid City - ORD Chicago O'Hare Intl

RAPORD

Rapid City

Mon 11/9

12:39 pm-8:29 pm

1 stop6h 50m

Chicago O'Hare Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 38 resultsSorted by cheapest first
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Compare providers for flights from Rapid City to Chicago

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Chicago in September.
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 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Chicago 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 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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Rapid City with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Chicago

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

Currently, April is the cheapest month in which you can book a flight from Rapid City to Chicago (average of $209). Flying from Rapid City to Chicago in January 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 RAP to CHI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rapid City to Chicago as you normally would.

Weekly flight availability from Rapid City to Chicago

The most flights from RAP to CHI are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.
Rapid City to Chicago flights typically cost between $315 and $400 in December.
The cheapest round-trip price found within the last 5 days was $290 on United Airlines (Dec 3-Dec 8).

Reviews of airlines servicing Chicago

See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Rapid City to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Boarding

8.1

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Boarding

8.1

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Boarding

8.1

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

  • What airport do you fly from for flights from Rapid City to Chicago?

    If you book a flight to Chicago from Rapid City, you will be flying from Rapid City, which is the city’s only airport. Rapid City (RAP) is located 9.0 mi from the center of Rapid City. There are 6 flights from Rapid City to Chicago per day from 2 different airlines.

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

    Departing from Rapid City to Chicago will take you 4h 20m. Rapid City and Chicago are separated by a distance of 789 mi. This flight may include one or multiple stops.

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

    American Airlines, at $187, was found to be the cheapest airline from Rapid City to Chicago. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 52% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Rapid City to Chicago?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Rapid City to Chicago on time: SkyWest Airlines (94%), United Airlines (74%), Emirates (72%).

  • What are the cheapest flights from Rapid City to Chicago?

    On average you can expect to pay $536 for a flight from Rapid City to Chicago. The cheapest flight overall is $273 while the most popular route, (Rapid City - Chicago O'Hare Intl) is currently priced at $330.

  • Can I find deals for flights from Rapid City to Chicago that include hotel bookings?

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

  • How can I find direct flights from Rapid City to Chicago?

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

  • Can I find deals for business class flights from Rapid City to Chicago?

    Yes. Cheapflights offers flight deals from Rapid City to Chicago 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?

    Currently, April is the cheapest month in which you can book a flight from Rapid City to Chicago (average of $209). Flying from Rapid City to Chicago in January 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Rapid City to Chicago

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$187Average$306FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$324FlexibilityNo cancel feeOn-time69%

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