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.

$166 CHEAP FLIGHTS from Illinois to Rapid City

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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

Sat, Oct 24 - Sat, Oct 31

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

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

2h 33mnonstop

$301United Airlines

Fri, Oct 23 - Sat, Oct 24

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$310United Airlines

Fri, Dec 11 - Tue, Dec 15

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

$310United Airlines

Wed, Oct 28 - Wed, Nov 4

5:00 am - 12:21 pmORD Chicago O'Hare Intl-RAP Rapid City

8h 21m1 stop Dallas/Fort Worth

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

8h 21m1 stop Dallas/Fort Worth

$320American Airlines

Sat, Oct 24 - Sat, Oct 31

10:30 am - 4:25 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 55m1 stop Dallas/Fort Worth

6:00 am - 3:19 pmRAP Rapid City-ORD Chicago O'Hare Intl

8h 19m1 stop Dallas/Fort Worth

$321American Airlines

Sat, Oct 24 - Sat, Oct 31

10:12 am - 3:58 pmMDW Chicago Midway-RAP Rapid City

6h 46m1 stop Minneapolis St Paul

11:29 am - 4:47 pmRAP Rapid City-MDW Chicago Midway

4h 18m1 stop Minneapolis St Paul

$321Delta

Sat, Oct 24 - Tue, Oct 27

5:31 pm - 10:30 pmMDW Chicago Midway-RAP Rapid City

5h 59m1 stop Minneapolis St Paul

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

4h 08m1 stop Minneapolis St Paul

$321Delta

Wed, Oct 21 - Sat, Oct 24

1:46 pm - 9:56 pmORD Chicago O'Hare Intl-RAP Rapid City

9h 10m1 stop Dallas/Fort Worth

5:04 pm - 11:59 pmRAP Rapid City-ORD Chicago O'Hare Intl

5h 55m1 stop Dallas/Fort Worth

$321American Airlines

Wed, Oct 21 - Sat, Oct 24

6:20 am - 10:45 amORD Chicago O'Hare Intl-RAP Rapid City

5h 25m1 stop Minneapolis St Paul

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

3h 49m1 stop Minneapolis St Paul

$321Delta

Wed, Oct 7 - Thu, Oct 15

8:10 pm - 1:45 pmSTL Lambert-St Louis-RAP Rapid City

18h 35m2 stops Denver Intl Las Vegas Harry Reid Intl

2:35 pm - 12:35 pmRAP Rapid City-STL Lambert-St Louis

21h 00m1 stop Las Vegas Harry Reid Intl

$533Multiple Airlines

Recent last minute flight deals from Illinois to Rapid City

Wed, Sep 23 - Wed, Sep 30

5:00 am - 9:47 amORD Chicago O'Hare Intl-RAP Rapid City

5h 47m1 stop Dallas/Fort Worth

6:07 pm - 9:45 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 38mnonstop

$388American Airlines

Wed, Sep 23 - Wed, Sep 30

7:00 am - 12:24 pmORD Chicago O'Hare Intl-RAP Rapid City

6h 24m1 stop Denver Intl

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$388United Airlines

Sat, Sep 19 - Tue, Sep 22

4:00 pm - 5:37 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 37mnonstop

6:07 pm - 9:45 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 38mnonstop

$397American Airlines

Wed, Sep 23 - Wed, Sep 30

5:00 am - 9:47 amORD Chicago O'Hare Intl-RAP Rapid City

5h 47m1 stop Dallas/Fort Worth

12:47 pm - 8:30 pmRAP Rapid City-ORD Chicago O'Hare Intl

6h 43m1 stop Dallas/Fort Worth

$398American Airlines

Wed, Sep 23 - Wed, Sep 30

5:00 am - 9:47 amORD Chicago O'Hare Intl-RAP Rapid City

5h 47m1 stop Dallas/Fort Worth

12:47 pm - 8:30 pmRAP Rapid City-ORD Chicago O'Hare Intl

6h 43m1 stop Dallas/Fort Worth

$398American Airlines

Sat, Sep 19 - Tue, Sep 22

8:59 am - 10:25 amORD Chicago O'Hare Intl-RAP Rapid City

2h 26mnonstop

11:22 am - 6:32 pmRAP Rapid City-ORD Chicago O'Hare Intl

6h 10m1 stop Denver Intl

$407United Airlines

Wed, Sep 23 - Wed, Sep 30

8:59 am - 10:25 amORD Chicago O'Hare Intl-RAP Rapid City

2h 26mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$415United Airlines

Sat, Sep 19 - Tue, Sep 22

7:13 pm - 10:18 pmMDW Chicago Midway-RAP Rapid City

4h 05m1 stop Minneapolis St Paul

10:42 am - 6:19 pmRAP Rapid City-MDW Chicago Midway

6h 37m1 stop Minneapolis St Paul

$498Delta

Sat, Sep 19 - Tue, Sep 22

2:00 pm - 10:18 pmORD Chicago O'Hare Intl-RAP Rapid City

9h 18m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

4:31 pm - 9:33 pmRAP Rapid City-ORD Chicago O'Hare Intl

4h 02m1 stop Minneapolis St Paul

$637Delta

Fri, Sep 18 - Mon, Sep 21

1:55 pm - 10:18 pmORD Chicago O'Hare Intl-RAP Rapid City

9h 23m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

4:31 pm - 9:33 pmRAP Rapid City-ORD Chicago O'Hare Intl

4h 02m1 stop Minneapolis St Paul

$758Delta

Recent direct flight deals from Illinois to Rapid City

Sat, Oct 24 - Sat, Oct 31

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

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

2h 33mnonstop

$301United Airlines

Fri, Oct 23 - Sat, Oct 24

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$310United Airlines

Fri, Dec 11 - Tue, Dec 15

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

$310United Airlines

Fri, Oct 16 - Tue, Oct 20

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$323United Airlines

Fri, Oct 16 - Tue, Oct 20

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$330United Airlines

Fri, Oct 16 - Fri, Oct 23

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$333United Airlines

Thu, Oct 15 - Thu, Oct 22

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$339United Airlines

Tue, Sep 29 - Sat, Oct 3

4:00 pm - 5:37 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 37mnonstop

6:07 pm - 9:45 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 38mnonstop

$359American Airlines

Fri, Oct 16 - Tue, Oct 20

8:47 am - 10:15 amORD Chicago O'Hare Intl-RAP Rapid City

2h 28mnonstop

1:37 pm - 5:01 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 24mnonstop

$368United Airlines

Wed, Sep 30 - Sat, Oct 3

4:00 pm - 5:37 pmORD Chicago O'Hare Intl-RAP Rapid City

2h 37mnonstop

6:07 pm - 9:45 pmRAP Rapid City-ORD Chicago O'Hare Intl

2h 38mnonstop

$378American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$166

Best time to beat the crowds with an average 26% drop in price.

Most popular time to fly with an average 3% 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.