Rapid City

$98+ Cheap flights from Illinois 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RAP
Nov 25 — Dec 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois 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.

Cheap flight deals from Illinois to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 November 20, 2024.

Find flight deals from Illinois to Rapid City

Cheapest flights from Illinois to Rapid City
Explore the most affordable flight options available from Illinois to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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 12/144:05 pmORD - RAP
1 stop7h 02mUnited Airlines
Tue 12/174:40 pmRAP - ORD
1 stop6h 42mUnited Airlines
Deal found 11/19$196
This Delta deal was found by Cheapflights users on 11/20. 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 12/141:45 pmORD - RAP
2 stops10h 14mDelta
Tue 12/1711:49 amRAP - ORD
1 stop6h 56mDelta
Deal found 11/20$227
This Delta deal was found by Cheapflights users on 11/19. 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 12/147:14 pmMDW - RAP
1 stop4h 45mDelta
Tue 12/176:00 amRAP - MDW
1 stop6h 31mDelta
Deal found 11/19$228
This Delta deal was found by Cheapflights users on 11/19. 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 12/146:00 amSTL - RAP
1 stop6h 09mDelta
Tue 12/1711:49 amRAP - STL
1 stop5h 40mDelta
Deal found 11/19$248
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/147:00 amORD - RAP
2 stops9h 54mAmerican Airlines
Tue 12/175:26 amRAP - ORD
1 stop6h 48mAmerican Airlines
Deal found 11/19$252
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/48:57 amMLI - RAP
1 stop7h 07mUnited Airlines
Sun 12/83:00 pmRAP - MLI
1 stop5h 00mUnited Airlines
Deal found 11/18$360
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/45:30 amMLI - RAP
2 stops11h 32mAmerican Airlines
Sun 12/812:29 pmRAP - MLI
2 stops10h 26mAmerican Airlines
Deal found 11/18$389
This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/214:43 pmSTL - RAP
1 stop5h 14mUnited Airlines
Wed 1/13:49 pmRAP - STL
1 stop5h 27mUnited Airlines
Deal found 11/19$413
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/211:45 pmSTL - RAP
1 stop8h 04mAmerican Airlines
Wed 1/15:23 amRAP - STL
1 stop6h 40mAmerican Airlines
Deal found 11/19$438
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Thu 12/196:15 amORD - RAP
2 stops15h 55mMultiple Airlines
Sun 12/2210:00 pmRAP - ORD
2 stops21h 49mMultiple Airlines
Deal found 11/19$471
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/272:25 pmPIA - RAP
1 stop7h 59mUnited Airlines
Wed 1/16:05 amRAP - PIA
1 stop6h 43mUnited Airlines
Deal found 11/20$532
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Fri 12/278:42 pmPIA - RAP
1 stop12h 09mAllegiant Air
Wed 1/17:56 pmRAP - PIA
1 stop14h 12mAllegiant Air
Deal found 11/20$634

Find flights from Illinois to Rapid City within your budget

Customize your flight search to find flights from Illinois 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 12/14

4:05 pm-10:07 pm

1 stop7h 02m

Rapid City

Tue 12/17

4:40 pm-12:22 am

1 stop6h 42m

$196

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 12/14

1:45 pm-10:59 pm

2 stops10h 14m

Rapid City

Tue 12/17

11:49 am-7:45 pm

1 stop6h 56m

$227

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Sat 12/14

7:14 pm-10:59 pm

1 stop4h 45m

Rapid City

Tue 12/17

6:00 am-1:31 pm

1 stop6h 31m

$228

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 12/14

6:00 am-11:09 am

1 stop6h 09m

Rapid City

Tue 12/17

11:49 am-6:29 pm

1 stop5h 40m

$248

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 12/14

7:00 am-3:54 pm

2 stops9h 54m

Rapid City

Tue 12/17

5:26 am-1:14 pm

1 stop6h 48m

$252

MolineRapid City

MLI - RAP

MLIRAP

Moline Quad-City

Wed 12/4

8:57 am-3:04 pm

1 stop7h 07m

Rapid City

Sun 12/8

3:00 pm-9:00 pm

1 stop5h 00m

$360

MolineRapid City

MLI - RAP

MLIRAP

Moline Quad-City

Wed 12/4

5:30 am-4:02 pm

2 stops11h 32m

Rapid City

Sun 12/8

12:29 pm-11:55 pm

2 stops10h 26m

$389

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 12/21

4:43 pm-8:57 pm

1 stop5h 14m

Rapid City

Wed 1/1

3:49 pm-10:16 pm

1 stop5h 27m

$413

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 12/21

1:45 pm-8:49 pm

1 stop8h 04m

Rapid City

Wed 1/1

5:23 am-1:03 pm

1 stop6h 40m

$438

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/19

6:15 am-9:10 pm

2 stops15h 55m

Rapid City

Sun 12/22

10:00 pm-8:49 pm

2 stops21h 49m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Illinois to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Illinois 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.

Travel insights for flights from Illinois to Rapid City

Get recent, data-driven insights about flights from Illinois to Rapid City including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Rapid City (average of $348). Flying from Illinois to Rapid City in May is currently the most expensive (average of $570). 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 IL to RAP?

Find hourly flight availability from Illinois 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 November 20, 2024.

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

Weekly flight availability from Illinois to Rapid City

Explore weekly flight availability from Illinois to Rapid City. 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 November 20, 2024.

The most flights from USIL to RAP are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Rapid City by month

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

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

Temperature in Rapid City by month

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

If weather is an important factor for your trip to Rapid City, 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 24.8 F).

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 November 20, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Illinois to Rapid City 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.
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

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

8.0
Very good
8,756 reviews
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.4
Good
9,171 reviews
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.4
Good
850 reviews
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

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 Illinois 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 Illinois?

    Most people fly into Rapid City (RAP) if they book a flight to Rapid City from Illinois. Rapid City is conveniently located just 9.0 mi from Rapid City’s city center.

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

    One-way options have recently been found by users for as low as $98 on Delta. Other airlines that offer cheap prices include United Airlines from $224 and American Airlines from $254 one-way.

  • What are the most popular routes from Illinois to Rapid City?

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

    No one likes to see their flight delayed. When booking a flight from Illinois to Rapid City consider choosing United Airlines (86%), Emirates (85%) or Air New Zealand (85%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Illinois to Rapid City is generally $395, our data shows the cheapest flight currently is $209. When looking at the most popular route, (Lambert-St Louis - Rapid City), you can expect to pay $248 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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.

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Rapid City (average of $348). Flying from Illinois to Rapid City in May is currently the most expensive (average of $570). 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

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 Illinois to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Illinois to Rapid City

Discover the top 3 airlines that operate flights from Illinois 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$317FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$391FlexibilityNo 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.