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$142+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — CHI
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$142
(United Airlines)

Popular in

April

Cheapest in

September

Average price

$380

Good round-trip deal

$405 or less

Good one-way deal

$199 or less
Provider with most accurate pricing for Rapid City-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Chicago (CHI) flights.
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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. 12% potential increase in price ($51 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 May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 6/56:20 amRAP - ORD
Nonstop2h 24mUnited Airlines
Mon 8/118:45 amORD - RAP
Nonstop2h 35mUnited Airlines
Deal found 4/30$209
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:14 pmRAP - ORD
Nonstop2h 16mAmerican Airlines
Tue 6/101:28 pmORD - RAP
1 stop8h 29mAmerican Airlines
Deal found 4/30$232
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:35 amRAP - ORD
1 stop4h 28mDelta
Sat 6/217:05 amORD - RAP
2 stops9h 47mDelta
Deal found 4/30$344
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:35 amRAP - MDW
1 stop5h 31mDelta
Sat 6/217:21 pmMDW - RAP
1 stop4h 10mDelta
Deal found 4/30$344
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/143:31 pmRAP - ORD
3 stops42h 19mMultiple Airlines
Sat 6/219:35 pmORD - RAP
1 stop24h 37mMultiple Airlines
Deal found 4/30$388

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 May 1, 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 6/5

6:20 am-9:44 am

Nonstop2h 24m

Chicago O'Hare Intl

Mon 8/11

8:45 am-10:20 am

Nonstop2h 35m

$209

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 6/5

6:14 pm-9:30 pm

Nonstop2h 16m

Chicago O'Hare Intl

Tue 6/10

1:28 pm-8:57 pm

1 stop8h 29m

$232

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 6/14

6:35 am-12:03 pm

1 stop4h 28m

Chicago O'Hare Intl

Sat 6/21

7:05 am-3:52 pm

2 stops9h 47m

$344

Rapid CityChicago

RAP - MDW

RAPMDW

Rapid City

Sat 6/14

6:35 am-1:06 pm

1 stop5h 31m

Chicago Midway

Sat 6/21

7:21 pm-10:31 pm

1 stop4h 10m

$344

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 6/14

3:31 pm-10:50 am

3 stops42h 19m

Chicago O'Hare Intl

Sat 6/21

9:35 pm-9:12 pm

1 stop24h 37m

$388

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 6/4

6:20 am-9:47 am

Nonstop2h 27m

$142

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 6/5

10:04 pm-10:55 am

1 stop11h 51m

$143

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 6/4

6:33 am-2:28 pm

1 stop6h 55m

$152

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Tue 7/29

6:01 pm-9:18 pm

Nonstop2h 17m

$177

Rapid CityChicago

RAP - MDW

RAPMDW

Rapid City

Wed 5/28

6:33 am-1:15 pm

1 stop5h 42m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Rapid City to Chicago

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 Chicago in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rapid City-Chicago flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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
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 May 1, 2025.

It’s optimal to fly from Rapid City to Chicago in the afternoon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the morning.

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 May 1, 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 American Airlines. 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
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 is 1 flight from Rapid City to Chicago per day from 3 different airlines.

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

    United Airlines, at $209, was found to be the cheapest airline from Rapid City to Chicago.Alternate airlines to your destination round-trip include American Airlines and Delta. United Airlines is currently priced 44% 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 United Airlines. According to our data, you can fly for as low as $142. Users have also found prices from $152 and $177 on Delta and American Airlines, 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: Emirates (94%), United Airlines (94%), Air New Zealand (94%).

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

    On average you can expect to pay $735 for a flight from Rapid City to Chicago. The cheapest flight overall is $170 while the most popular route, (Rapid City - Chicago O'Hare Intl) is currently priced at $209.

  • 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
Hammond
Benton Harbor
Porter
Lansing
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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$260FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$336FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$349FlexibilityNo cancel feeOn-timeN/A

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