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$110+ Cheap flights from Rapid City (RAP) to Chicago (CHI)

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — CHI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Rapid City to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Chicago (CHI). 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 June 12, 2025.

Round-trip from

$193
(American Airlines)

One-way from

$110
(American Airlines)

Popular in

April

Cheapest in

August

Average price

$343

Good round-trip deal

$348 or less

Good one-way deal

$199 or less
From Rapid City to Chicago (CHI)
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One-way flight from Rapid City to Chicago (CHI)
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Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Rapid City to Chicago (CHI).
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Price to beat on a one-way flight from Rapid City to Chicago (CHI).
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Find flight deals from Rapid City to Chicago

Cheapest flights from Rapid City to Chicago
Explore the most affordable flight options available from Rapid City to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 7/106:01 pmRAP - ORD
Nonstop2h 17mAmerican Airlines
Mon 7/144:13 pmORD - RAP
Nonstop2h 18mAmerican Airlines
Deal found 6/12$193
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/41:43 pmRAP - ORD
Nonstop2h 20mUnited Airlines
Sun 7/68:45 amORD - RAP
Nonstop2h 35mUnited Airlines
Deal found 6/12$200
This Delta deal was found by Cheapflights users on 6/12. 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 11/1510:40 amRAP - ORD
1 stop5h 07mDelta
Sat 1/103:50 pmORD - RAP
1 stop7h 24mDelta
Deal found 6/12$229
This Delta deal was found by Cheapflights users on 6/11. 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 9/66:25 amRAP - MDW
1 stop5h 38mDelta
Sat 9/206:45 pmMDW - RAP
1 stop4h 25mDelta
Deal found 6/11$299
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/69:49 pmRAP - ORD
1 stop12h 01mMultiple Airlines
Wed 7/94:36 pmORD - RAP
2 stops29h 33mMultiple Airlines
Deal found 6/11$358
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/263:32 pmRAP - MDW
2 stops26h 52mAllegiant Air
Sun 8/38:14 pmMDW - RAP
2 stops20h 37mAllegiant Air
Deal found 6/12$404

Cheapflights Fare Finder

Customize your flight search to find flights from Rapid City to Chicago 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 June 12, 2025.
Use the filters below to find and compare flights from Rapid City to Chicago that are best for you.

Fly from

Rapid City

Fly to

Chicago

Route

Depart

Return

Price

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 7/10

6:01 pm-9:18 pm

Nonstop2h 17m

Chicago O'Hare Intl

Mon 7/14

4:13 pm-5:31 pm

Nonstop2h 18m

$193

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 7/4

1:43 pm-5:03 pm

Nonstop2h 20m

Chicago O'Hare Intl

Sun 7/6

8:45 am-10:20 am

Nonstop2h 35m

$200

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 11/15

10:40 am-4:47 pm

1 stop5h 07m

Chicago O'Hare Intl

Sat 1/10

3:50 pm-10:14 pm

1 stop7h 24m

$229

Rapid CityChicago

RAP - MDW

RAPMDW

Rapid City

Sat 9/6

6:25 am-1:03 pm

1 stop5h 38m

Chicago Midway

Sat 9/20

6:45 pm-10:10 pm

1 stop4h 25m

$299

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sun 7/6

9:49 pm-6:51 am

2 stops32h 02m

Chicago O'Hare Intl

Wed 7/9

4:36 pm-9:09 pm

2 stops29h 33m

$349

Rapid CityChicago

RAP - MDW

RAPMDW

Rapid City

Sat 7/26

3:32 pm-7:24 pm

2 stops26h 52m

Chicago Midway

Sun 8/3

8:14 pm-3:51 pm

2 stops20h 37m

$404

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 8/20

6:04 pm-9:24 pm

Nonstop2h 20m

$110

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 8/20

4:25 pm-9:35 pm

1 stop4h 10m

$120

Rapid CityChicago

RAP - MDW

RAPMDW

Rapid City

Wed 8/20

6:20 am-1:03 pm

1 stop5h 43m

$120

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Mon 7/28

6:33 pm-11:09 am

1 stop15h 36m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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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
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

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

Currently, August is the cheapest month in which you can book a flight from Rapid City to Chicago (average of $245). Flying from Rapid City to Chicago in March is currently the most expensive (average of $321). 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?

Find hourly flight availability from Rapid City to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Rapid City to Chicago in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Rapid City to Chicago

Explore weekly flight availability from Rapid City to Chicago. 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 June 12, 2025.

The most flights from RAP to CHI are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated June 12, 2025.
To help decide which airline to fly from Rapid City to Chicago, see what other customers have to say about Delta, United Airlines and Allegiant Air. 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
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Chicago. 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?

    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 8 flights from Rapid City to Chicago per day from 3 different airlines.

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

    American Airlines, at $193, was found to be the cheapest airline from Rapid City to Chicago.Alternate airlines to your destination round-trip include United Airlines and Delta. American Airlines is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Rapid City to Chicago one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $110. Users have also found prices from $120 and $123 on Delta and Sun Country Air, respectively.

  • 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 (100%), Republic Airways (90%), Emirates (89%).

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

    On average you can expect to pay $822 for a flight from Rapid City to Chicago. The cheapest flight overall is $152 while the most popular route, (Rapid City - Chicago O'Hare Intl) is currently priced at $229.

  • 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, August is the cheapest month in which you can book a flight from Rapid City to Chicago (average of $245). Flying from Rapid City to Chicago in March is currently the most expensive (average of $321). 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
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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Top 3 airlines flying from Rapid City to Chicago

Discover the top 3 airlines that operate flights from Rapid City to Chicago. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$263FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$345FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$349FlexibilityNo cancel feeOn-timeN/A

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