How does KAYAK find such low prices on flights from Illinois to Rapid City?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Rapid City.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Rapid City?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rapid City from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Rapid City?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rapid City with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Rapid City?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rapid City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$171 CHEAP FLIGHTS from Illinois to Rapid City

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Illinois to Rapid City

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Rapid City

Wed, Dec 9 - Wed, Dec 16

9:59 am - 3:53 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 54m1 stop Minneapolis St Paul

6:42 am - 11:44 amRAP Rapid City-ORD Chicago O'Hare Intl

4h 02m1 stop Minneapolis St Paul

$321Delta

Tue, Dec 1 - Sat, Dec 5

9:59 am - 3:53 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 54m1 stop Minneapolis St Paul

4:36 pm - 9:35 pmRAP Rapid City-ORD Chicago O'Hare Intl

3h 59m1 stop Minneapolis St Paul

$321Delta

Tue, Jan 5 - Sat, Jan 9

6:00 am - 10:02 amORD Chicago O'Hare Intl-RAP Rapid City

5h 02m1 stop Minneapolis St Paul

10:44 am - 4:41 pmRAP Rapid City-ORD Chicago O'Hare Intl

4h 57m1 stop Minneapolis St Paul

$321Delta

Tue, Dec 8 - Sat, Dec 12

5:33 pm - 10:46 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 13m1 stop Minneapolis St Paul

11:06 am - 4:43 pmRAP Rapid City-ORD Chicago O'Hare Intl

4h 37m1 stop Minneapolis St Paul

$321Delta

Fri, Jan 8 - Sun, Jan 10

7:45 pm - 9:38 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 53mnonstop

6:00 am - 9:39 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 39mnonstop

$339United Airlines

Thu, Dec 3 - Wed, Dec 9

7:50 pm - 9:42 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 52mnonstop

6:00 am - 9:34 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 34mnonstop

$339United Airlines

Thu, Dec 3 - Sun, Dec 6

7:50 pm - 9:42 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 52mnonstop

6:00 am - 9:34 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 34mnonstop

$339United Airlines

Thu, Dec 3 - Wed, Dec 9

6:00 am - 12:39 pmORD Chicago O'Hare Intl-RAP Rapid City

7h 39m1 stop Dallas/Fort Worth

6:11 am - 3:59 pmRAP Rapid City-ORD Chicago O'Hare Intl

8h 48m1 stop Dallas/Fort Worth

$340American Airlines

Thu, Dec 10 - Tue, Jan 19

6:00 am - 12:39 pmORD Chicago O'Hare Intl-RAP Rapid City

7h 39m1 stop Dallas/Fort Worth

6:16 am - 4:00 pmRAP Rapid City-ORD Chicago O'Hare Intl

8h 44m1 stop Dallas/Fort Worth

$352American Airlines

Tue, Nov 10 - Sat, Nov 14

4:43 pm - 9:27 pmPIA Greater Peoria-RAP Rapid City

5h 44m1 stop Dallas/Fort Worth

6:11 am - 5:07 pmRAP Rapid City-PIA Greater Peoria

9h 56m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$374American Airlines

Recent last minute flight deals from Illinois to Rapid City

Sat, Oct 31 - Sat, Nov 7

9:59 am - 3:58 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 59m1 stop Minneapolis St Paul

11:29 am - 4:41 pmRAP Rapid City-ORD Chicago O'Hare Intl

4h 12m1 stop Minneapolis St Paul

$417Delta

Sat, Oct 31 - Sat, Nov 7

1:55 pm - 10:30 pmORD Chicago O'Hare Intl-RAP Rapid City

9h 35m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

4:38 pm - 9:27 pmRAP Rapid City-ORD Chicago O'Hare Intl

3h 49m1 stop Minneapolis St Paul

$422Delta

Sat, Oct 31 - Sat, Nov 7

1:55 pm - 10:30 pmORD Chicago O'Hare Intl-RAP Rapid City

9h 35m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

6:39 am - 4:26 pmRAP Rapid City-ORD Chicago O'Hare Intl

8h 47m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

$428Delta

Sat, Oct 31 - Wed, Nov 4

3:50 pm - 9:39 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 49m1 stop Dallas/Fort Worth

1:09 pm - 10:30 pmRAP Rapid City-ORD Chicago O'Hare Intl

8h 21m1 stop Dallas/Fort Worth

$491American Airlines

Sat, Oct 31 - Sat, Nov 7

8:40 am - 10:31 amORD Chicago O'Hare Intl-RAP Rapid City

2h 51mnonstop

1:30 pm - 5:03 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 33mnonstop

$509United Airlines

Sat, Oct 31 - Sat, Nov 7

1:00 pm - 7:19 pmORD Chicago O'Hare Intl-RAP Rapid City

7h 19m1 stop Denver Intl

1:30 pm - 5:03 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 33mnonstop

$519United Airlines

Tue, Nov 3 - Sat, Nov 7

6:25 am - 10:31 amPIA Greater Peoria-RAP Rapid City

5h 06m1 stop Chicago O'Hare Intl

12:39 pm - 9:06 pmRAP Rapid City-PIA Greater Peoria

7h 27m1 stop Denver Intl

$529United Airlines

Sat, Oct 31 - Wed, Nov 4

12:27 pm - 3:58 pmMDW Chicago Midway-RAP Rapid City

4h 31m1 stop Minneapolis St Paul

6:39 am - 11:47 amRAP Rapid City-MDW Chicago Midway

4h 08m1 stop Minneapolis St Paul

$662Delta

Tue, Nov 3 - Fri, Nov 6

6:02 am - 9:27 pmPIA Greater Peoria-RAP Rapid City

16h 25m2 stops Chicago O'Hare Intl Dallas/Fort Worth

1:09 pm - 5:07 pmRAP Rapid City-PIA Greater Peoria

26h 58m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$843American Airlines

Wed, Nov 4 - Thu, Nov 5

3:52 pm - 9:27 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 35m1 stop Dallas/Fort Worth

6:11 am - 2:12 pmRAP Rapid City-ORD Chicago O'Hare Intl

7h 01m1 stop Dallas/Fort Worth

$863American Airlines

Recent direct flight deals from Illinois to Rapid City

Fri, Jan 8 - Sun, Jan 10

7:45 pm - 9:38 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 53mnonstop

6:00 am - 9:39 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 39mnonstop

$339United Airlines

Thu, Dec 3 - Wed, Dec 9

7:50 pm - 9:42 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 52mnonstop

6:00 am - 9:34 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 34mnonstop

$339United Airlines

Thu, Dec 3 - Sun, Dec 6

7:50 pm - 9:42 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 52mnonstop

6:00 am - 9:34 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 34mnonstop

$339United Airlines

Tue, Dec 8 - Sat, Dec 12

7:50 pm - 9:42 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 52mnonstop

6:00 am - 9:34 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 34mnonstop

$339United Airlines

Tue, Jan 5 - Sat, Jan 9

7:45 pm - 9:38 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 53mnonstop

6:00 am - 9:39 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 39mnonstop

$339United Airlines

Tue, Dec 1 - Mon, Dec 7

7:50 pm - 9:42 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 52mnonstop

6:00 am - 9:34 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 34mnonstop

$351United Airlines

Tue, Dec 1 - Sat, Dec 5

7:50 pm - 9:42 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 52mnonstop

6:00 am - 9:34 amRAP Rapid City-ORD Chicago O'Hare Intl

2h 34mnonstop

$363United Airlines

Thu, Nov 19 - Sun, Nov 22

8:40 am - 10:31 amORD Chicago O'Hare Intl-RAP Rapid City

2h 51mnonstop

1:30 pm - 5:03 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 33mnonstop

$374United Airlines

Thu, Nov 19 - Sun, Nov 22

8:40 am - 10:31 amORD Chicago O'Hare Intl-RAP Rapid City

2h 51mnonstop

1:30 pm - 5:03 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 33mnonstop

$378United Airlines

Tue, Nov 10 - Sat, Nov 14

8:40 am - 10:31 amORD Chicago O'Hare Intl-RAP Rapid City

2h 51mnonstop

1:30 pm - 5:03 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 33mnonstop

$379United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$171

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Chicago O'Hare Airport to Rapid City

How does KAYAK find such low prices on flights from Illinois to Rapid City?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Rapid City.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Rapid City?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rapid City from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Rapid City?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rapid City with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Rapid City?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rapid City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.