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Cheap flights from Chicago O'Hare Intl Airport to Rapid City from $181

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:50 pm - 9:42 pmORD  Chicago O'Hare Intl-RAP Rapid City
2h 52mnonstop
United Airlines Logo
6:00 am - 9:34 amRAP  Rapid City-ORD Chicago O'Hare Intl
2h 34mnonstop
$310United Airlines
Fri, Dec 4 - Wed, Dec 9
United Airlines Logo
7:50 pm - 9:42 pmORD  Chicago O'Hare Intl-RAP Rapid City
2h 52mnonstop
United Airlines Logo
6:00 am - 9:34 amRAP  Rapid City-ORD Chicago O'Hare Intl
2h 34mnonstop
$317United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
8:47 am - 10:15 amORD  Chicago O'Hare Intl-RAP Rapid City
2h 28mnonstop
United Airlines Logo
1:30 pm - 5:03 pmRAP  Rapid City-ORD Chicago O'Hare Intl
2h 33mnonstop
$319United Airlines
Tue, Oct 20 - Thu, Oct 29
United Airlines Logo
8:40 am - 10:31 amORD  Chicago O'Hare Intl-RAP Rapid City
2h 51mnonstop
United Airlines Logo
5:00 am - 11:19 amRAP  Rapid City-ORD Chicago O'Hare Intl
5h 19m1 stop Denver Intl
$320United Airlines
Tue, Oct 27 - Tue, Nov 3
Delta Logo
9:59 am - 2:00 pmORD  Chicago O'Hare Intl-RAP Rapid City
5h 01m1 stop Minneapolis St Paul
Delta Logo
4:36 pm - 9:35 pmRAP  Rapid City-ORD Chicago O'Hare Intl
3h 59m1 stop Minneapolis St Paul
$321Delta
Tue, Dec 1 - Sat, Dec 5
American Airlines Logo
6:59 am - 12:39 pmORD  Chicago O'Hare Intl-RAP Rapid City
6h 40m1 stop Dallas/Fort Worth
American Airlines Logo
6:11 am - 4:00 pmRAP  Rapid City-ORD Chicago O'Hare Intl
8h 49m1 stop Dallas/Fort Worth
$330American Airlines
Fri, Dec 4 - Wed, Dec 9
American Airlines Logo
6:00 am - 12:39 pmORD  Chicago O'Hare Intl-RAP Rapid City
7h 39m1 stop Dallas/Fort Worth
American Airlines Logo
6:11 am - 2:12 pmRAP  Rapid City-ORD Chicago O'Hare Intl
7h 01m1 stop Dallas/Fort Worth
$330American Airlines
Fri, Dec 4 - Wed, Dec 9
Delta Logo
9:59 am - 2:00 pmORD  Chicago O'Hare Intl-RAP Rapid City
5h 01m1 stop Minneapolis St Paul
Delta Logo
4:36 pm - 9:35 pmRAP  Rapid City-ORD Chicago O'Hare Intl
3h 59m1 stop Minneapolis St Paul
$330Delta
Tue, Dec 1 - Sun, Dec 6
American Airlines Logo
5:00 am - 9:54 amORD  Chicago O'Hare Intl-RAP Rapid City
5h 54m1 stop Dallas/Fort Worth
American Airlines Logo
12:51 pm - 10:10 pmRAP  Rapid City-ORD Chicago O'Hare Intl
8h 19m1 stop Dallas/Fort Worth
$330American Airlines
Tue, Oct 20 - Wed, Oct 28
Delta Logo
9:59 am - 3:58 pmORD  Chicago O'Hare Intl-RAP Rapid City
6h 59m1 stop Minneapolis St Paul
Delta Logo
4:38 pm - 9:27 pmRAP  Rapid City-ORD Chicago O'Hare Intl
3h 49m1 stop Minneapolis St Paul
$330Delta
Fri, Oct 23 - Sat, Oct 24

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United Airlines flights from Chicago O'Hare Intl Airport to Rapid City

Our best United Airlines deals on Chicago O'Hare Intl Airport to Rapid City flight tickets
United Airlines
Dec 4
ORD7:50 pmChicago O'Hare Intl
2h 52m
RAP9:42 pmRapid City
Dec 9
RAP6:00 amRapid City
2h 34m
ORD9:34 amChicago O'Hare Intl
$310
United Airlines
Dec 1
ORD7:50 pmChicago O'Hare Intl
2h 52m
RAP9:42 pmRapid City
Dec 5
RAP6:00 amRapid City
2h 34m
ORD9:34 amChicago O'Hare Intl
$317
United Airlines
Oct 20
ORD8:47 amChicago O'Hare Intl
2h 28m
RAP10:15 amRapid City
Oct 29
RAP1:30 pmRapid City
2h 33m
ORD5:03 pmChicago O'Hare Intl
$319

Delta flights from Chicago O'Hare Intl Airport to Rapid City

Our best Delta deals on Chicago O'Hare Intl Airport to Rapid City flight tickets
Delta
Dec 1
ORD9:59 amChicago O'Hare Intl
5h 01m
1 stop
RAP2:00 pmRapid City
Dec 5
RAP4:36 pmRapid City
3h 59m
1 stop
ORD9:35 pmChicago O'Hare Intl
$321
Delta
Nov 21
ORD6:20 amChicago O'Hare Intl
5h 03m
1 stop
RAP10:23 amRapid City
Dec 1
RAP6:42 amRapid City
4h 02m
1 stop
ORD11:44 amChicago O'Hare Intl
$350
Delta
Oct 16
ORD6:20 amChicago O'Hare Intl
5h 25m
1 stop
RAP10:45 amRapid City
Oct 19
RAP4:38 pmRapid City
3h 49m
1 stop
ORD9:27 pmChicago O'Hare Intl
$359

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Rapid City that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 12/4

7:50 pm-9:42 pm

Nonstop2h 52m

Rapid City

Wed 12/9

6:00 am-9:34 am

Nonstop2h 34m

$310

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Tue 12/1

7:50 pm-9:42 pm

Nonstop2h 52m

Rapid City

Sat 12/5

6:00 am-9:34 am

Nonstop2h 34m

$317
Quickest round-trip

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Tue 10/20

8:47 am-10:15 am

Nonstop2h 28m

Rapid City

Thu 10/29

1:30 pm-5:03 pm

Nonstop2h 33m

$319

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Tue 10/27

8:40 am-10:31 am

Nonstop2h 51m

Rapid City

Tue 11/3

5:00 am-11:19 am

1 stop5h 19m

$320

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Tue 12/1

9:59 am-2:00 pm

1 stop5h 01m

Rapid City

Sat 12/5

4:36 pm-9:35 pm

1 stop3h 59m

$321

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 12/4

6:59 am-12:39 pm

1 stop6h 40m

Rapid City

Wed 12/9

6:11 am-4:00 pm

1 stop8h 49m

$330

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 12/4

6:00 am-12:39 pm

1 stop7h 39m

Rapid City

Wed 12/9

6:11 am-2:12 pm

1 stop7h 01m

$330

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Tue 12/1

9:59 am-2:00 pm

1 stop5h 01m

Rapid City

Sun 12/6

4:36 pm-9:35 pm

1 stop3h 59m

$330

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Tue 10/20

5:00 am-9:54 am

1 stop5h 54m

Rapid City

Wed 10/28

12:51 pm-10:10 pm

1 stop8h 19m

$330

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 10/23

9:59 am-3:58 pm

1 stop6h 59m

Rapid City

Sat 10/24

4:38 pm-9:27 pm

1 stop3h 49m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rapid City from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Rapid City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Rapid City?

Prices are currently low for flights on this route.

Typical prices usually range from $320 to $405.
The lowest price recently found on this route was $310.

What is the cheapest month to fly to Rapid City?

The month of November is, on average, the cheapest month to fly to Rapid City from Chicago O'Hare Intl Airport, with most prices found around $0. If you aren’t able to travel to Rapid City during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Saturday is the cheapest day to fly to Rapid City from Chicago O'Hare Intl Airport. The lowest ticket price found for a Saturday departure recently was $315. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Monday, with ticket prices averaging around $458.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is in the afternoon. Flights from Chicago O'Hare Intl Airport to Rapid City during this time can be as low as $299. Flights in the morning are often more expensive with an average ticket price of $381.

What is the cheapest Chicago O'Hare Intl to Rapid City flight route?

Fly from Chicago O'Hare Intl to Rapid City for the best Chicago O'Hare Intl - Rapid City flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Rapid City?

You are more likely to see cheaper flights to Rapid City from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from Chicago O'Hare Intl Airport for as low as $249 on momondo.

What cabin class options are available on Chicago O'Hare Intl Airport to Rapid City flights?

There are 2 cabin classes available to choose from on Chicago O'Hare Intl Airport to Rapid City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Rapid City flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Rapid City.

How have Chicago O'Hare Intl Airport to Rapid City flight prices changed over time?

As of September 2026, prices for Chicago O'Hare Intl Airport to Rapid City flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Rapid City

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Rapid City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Rapid City (ORD to RAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Rapid City

Best Price Found

$181

Fastest flight time

2h 28m

Direct flights

Every day

Airports in Rapid City

1 airport
The best one-way flight to Rapid City from Chicago O'Hare Intl Airport in the past 72 hours is $181. The best round-trip flight deal from Chicago O'Hare Intl Airport to Rapid City found on momondo in the last 72 hours is $310.
The fastest flight from Chicago O'Hare Intl Airport to Rapid City takes 2h 28m
Direct flights go from Chicago O'Hare Intl Airport to Rapid City every day.
There is 1 airport in Rapid City. From Chicago O'Hare Intl Airport there are direct flights to Rapid City (RAP).
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Rapid City

  • How far is Chicago O'Hare Intl to Rapid City by plane?

    There are 785.8 mi between Chicago O'Hare Intl and Rapid City. By plane, this route typically takes 2h 28m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Rapid City Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Rapid City Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Rapid City Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Rapid City Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The required travel and health documents for your Rapid City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rapid City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Rapid City?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Rapid City?

Best airlines flying from Chicago O'Hare Intl Airport to Rapid City

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $249Free CancellationRating
7.0
12,097 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
10,261 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Rapid City

    Across 7 United Airlines flights from Chicago O'Hare Intl Airport to Rapid City this week, the average price was $369, with the best United Airlines deals starting from $269 round-trip. 10,261 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Rapid City

    The best American Airlines deal for Chicago O'Hare Intl Airport to Rapid City flight tickets found on momondo in the last 72 hours was $249, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $348 round-trip. American Airlines operates 6 flights out of Chicago O'Hare Intl Airport into Rapid City in an average week, so prices vary by time and availability. 12,097 American Airlines reviews by users on momondo have scored the airline at 7.0/10.

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Sturgis
Keystone
Custer
Hot Springs
Spearfish
Wall
Hill City

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Rapid City?

It is quick and easy to find Chicago to Rapid City flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rapid City that suits you.

Can I find flights from Chicago to Rapid City with flexible booking policies on momondo?

Yes. All flights to Rapid City from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Rapid City?

momondo helps you find the best flight between Chicago and Rapid City by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Rapid City right now. Can momondo alert me if prices change?

Price alerts on flights to Rapid City from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Rapid City trip

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