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$228+ Cheap flights from Rapid City (RAP) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — ORD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Rapid City to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Illinois (USIL). 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 December 18, 2024.

Round-trip from

$228
(Delta)
From Rapid City to Illinois
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Find flight deals from Rapid City to Illinois

Cheapest flights from Rapid City to Illinois
Explore the most affordable flight options available from Rapid City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This American Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/234:28 pmRAP - ORD
1 stop5h 41mAmerican Airlines
Fri 12/273:23 pmORD - RAP
1 stop6h 26mAmerican Airlines
Deal found 12/18$423
This Delta deal was found by Cheapflights users on 12/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:45 amRAP - MDW
1 stop4h 59mDelta
Fri 12/275:04 pmMDW - RAP
1 stop6h 45mDelta
Deal found 12/18$623
This Delta deal was found by Cheapflights users on 12/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:00 amRAP - ORD
2 stops9h 40mDelta
Fri 12/2710:05 amORD - RAP
1 stop6h 31mDelta
Deal found 12/18$628
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/213:49 pmRAP - ORD
1 stop7h 10mUnited Airlines
Sun 12/227:35 pmORD - RAP
Nonstop2h 49mUnited Airlines
Deal found 12/17$704
This Mytrip deal was found by Cheapflights users on 12/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/233:10 pmRAP - ORD
2 stops16h 53mMultiple Airlines
Fri 12/279:35 pmORD - RAP
3 stops23h 52mMultiple Airlines
Deal found 12/18$847

Find flights from Rapid City to Illinois within your budget

Customize your flight search to find flights from Rapid City to Illinois 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 December 18, 2024.

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Route

Depart

Return

Price

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 1/9

11:49 am-5:29 pm

1 stop4h 40m

Chicago O'Hare Intl

Sun 1/12

6:15 am-11:08 am

1 stop5h 53m

$228

Rapid CityChicago

RAP - MDW

RAPMDW

Rapid City

Thu 1/9

6:00 am-12:46 pm

1 stop5h 46m

Chicago Midway

Sun 1/12

6:59 pm-10:45 pm

1 stop4h 46m

$228

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Mon 6/16

6:01 pm-9:15 pm

Nonstop2h 14m

Chicago O'Hare Intl

Mon 6/23

11:40 am-1:04 pm

Nonstop2h 24m

$249

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 1/2

3:49 pm-10:16 pm

1 stop5h 27m

Lambert-St Louis

Mon 1/6

4:43 pm-10:15 pm

1 stop6h 32m

$282

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 1/2

6:05 am-9:39 am

Nonstop2h 34m

Chicago O'Hare Intl

Sun 1/5

4:00 pm-10:15 pm

1 stop7h 15m

$309

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 1/2

4:16 pm-10:06 pm

1 stop4h 50m

Lambert-St Louis

Mon 1/6

6:00 am-3:37 pm

2 stops10h 37m

$408

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 1/2

3:07 pm-10:57 am

2 stops18h 50m

Chicago O'Hare Intl

Sun 1/5

6:15 am-9:10 pm

2 stops15h 55m

$603

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 1/15

4:19 pm-9:58 pm

1 stop4h 39m

$233

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Mon 2/17

12:24 pm-8:21 am

1 stop18h 57m

$254

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Mon 3/17

11:45 am-7:55 pm

1 stop7h 10m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Rapid City to Illinois

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

Travel insights for flights from Rapid City to Illinois

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

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

Currently, September is the cheapest month in which you can book a flight from Rapid City to Illinois (average of $232). Flying from Rapid City to Illinois in June is currently the most expensive (average of $308). 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.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown United Airlines, American Airlines and Delta from Rapid City to Illinois. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
9,055 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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 Rapid City to Illinois. 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 Illinois?

    Rapid City (RAP), located 9.0 mi from the city center, is the airport you fly out of when you book flights from Rapid City to Illinois.

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

    One-way options have recently been found by users for as low as $233 on Delta. Other airlines that offer cheap prices include American Airlines from $254 and United Airlines from $268 one-way.

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

    The most popular route from Rapid City to Illinois is Rapid City - Chicago O'Hare Intl. You may also consider Rapid City - Chicago Midway or Rapid City - Lambert-St Louis.

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

    No one likes to see their flight delayed. When booking a flight from Rapid City to Illinois consider choosing Emirates (92%), Air New Zealand (92%) or United Airlines (90%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $614 for a flight from Rapid City to Illinois. The cheapest flight overall is $285 while the most popular route, (Rapid City - Chicago O'Hare Intl) is currently priced at $228.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Rapid City to Illinois (average of $232). Flying from Rapid City to Illinois in June is currently the most expensive (average of $308). 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.

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Alternative routes for Rapid City to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Rapid City to Illinois

Discover the top 2 airlines that operate flights from Rapid City to Illinois. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$212Average$260FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$242Average$385FlexibilityNo cancel feeOn-time69%
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