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Cheap flights from Chicago O'Hare Intl Airport to Rapid City from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Rapid City departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
8:40 am - 10:31 amORD  Chicago O'Hare Intl-RAP Rapid City
2h 51mnonstop
United Airlines Logo
1:30 pm - 5:03 pmRAP  Rapid City-ORD Chicago O'Hare Intl
2h 33mnonstop
$261United Airlines
Sat, Nov 14 - Tue, Nov 17
American Airlines Logo
9:40 am - 11:15 amORD  Chicago O'Hare Intl-RAP Rapid City
2h 35mnonstop
American Airlines Logo
6:07 pm - 9:45 pmRAP  Rapid City-ORD Chicago O'Hare Intl
2h 38mnonstop
$270American Airlines
Fri, Sep 25 - Wed, Sep 30
American Airlines Logo
3:59 pm - 5:35 pmORD  Chicago O'Hare Intl-RAP Rapid City
2h 36mnonstop
American Airlines Logo
6:07 pm - 9:45 pmRAP  Rapid City-ORD Chicago O'Hare Intl
2h 38mnonstop
$270American Airlines
Fri, Oct 2 - Sat, Oct 3
American Airlines Logo
4:00 pm - 5:37 pmORD  Chicago O'Hare Intl-RAP Rapid City
2h 37mnonstop
American Airlines Logo
6:07 pm - 9:45 pmRAP  Rapid City-ORD Chicago O'Hare Intl
2h 38mnonstop
$270American Airlines
Fri, Sep 25 - Tue, Sep 29
United Airlines Logo
2:30 pm - 7:19 pmORD  Chicago O'Hare Intl-RAP Rapid City
5h 49m1 stop Denver Intl
United Airlines Logo
1:30 pm - 5:03 pmRAP  Rapid City-ORD Chicago O'Hare Intl
2h 33mnonstop
$271United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
8:47 am - 10:15 amORD  Chicago O'Hare Intl-RAP Rapid City
2h 28mnonstop
United Airlines Logo
1:37 pm - 5:01 pmRAP  Rapid City-ORD Chicago O'Hare Intl
2h 24mnonstop
$279United Airlines
Sun, Oct 11 - Mon, Oct 19
United Airlines Logo
8:47 am - 10:15 amORD  Chicago O'Hare Intl-RAP Rapid City
2h 28mnonstop
United Airlines Logo
5:50 pm - 11:59 pmRAP  Rapid City-ORD Chicago O'Hare Intl
5h 09m1 stop Denver Intl
$280United Airlines
Wed, Oct 21 - Mon, Oct 26
Delta Logo
12:15 pm - 3:46 pmORD  Chicago O'Hare Intl-RAP Rapid City
4h 31m1 stop Minneapolis St Paul
Delta Logo
4:00 pm - 9:34 pmRAP  Rapid City-ORD Chicago O'Hare Intl
4h 34m1 stop Minneapolis St Paul
$299Delta
Fri, Dec 25 - Thu, Dec 31
Multiple Airlines Logo
1:21 pm - 11:46 amORD  Chicago O'Hare Intl-RAP Rapid City
23h 25m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:39 pm - 12:23 amRAP  Rapid City-ORD Chicago O'Hare Intl
27h 44m2 stops Phoenix-Mesa Gateway Denver Intl
$347Multiple Airlines
Wed, Sep 9 - Fri, Sep 11
Delta Logo
6:00 am - 10:02 amORD  Chicago O'Hare Intl-RAP Rapid City
5h 02m1 stop Minneapolis St Paul
Delta Logo
4:30 pm - 9:47 pmRAP  Rapid City-ORD Chicago O'Hare Intl
4h 17m1 stop Minneapolis St Paul
$479Delta
Fri, Aug 21 - Wed, Aug 26

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Rapid City flight tickets
American Airlines
Sep 25
ORD4:00 pmChicago O'Hare Intl
2h 37m
RAP5:37 pmRapid City
Sep 29
RAP6:07 pmRapid City
2h 38m
ORD9:45 pmChicago O'Hare Intl
$270
American Airlines
Sep 19
ORD5:00 amChicago O'Hare Intl
5h 47m
1 stop
RAP9:47 amRapid City
Sep 22
RAP6:07 pmRapid City
2h 38m
ORD9:45 pmChicago O'Hare Intl
$271
American Airlines
Oct 3
ORD4:00 pmChicago O'Hare Intl
2h 37m
RAP5:37 pmRapid City
Oct 4
RAP6:07 pmRapid City
2h 38m
ORD9:45 pmChicago O'Hare Intl
$279

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
Aug 22
ORD6:00 pmChicago O'Hare Intl
5h 37m
1 stop
RAP10:37 pmRapid City
Aug 26
RAP2:32 pmRapid City
6h 15m
1 stop
ORD9:47 pmChicago O'Hare Intl
$358
Delta
Aug 30
ORD6:00 amChicago O'Hare Intl
5h 02m
1 stop
RAP10:02 amRapid City
Sep 10
RAP2:31 pmRapid City
16h 59m
1 stop
ORD8:30 amChicago O'Hare Intl
$377
Delta
Aug 20
ORD6:00 amChicago O'Hare Intl
5h 02m
1 stop
RAP10:02 amRapid City
Aug 26
RAP4:30 pmRapid City
4h 17m
1 stop
ORD9:47 pmChicago O'Hare Intl
$479

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Sat 11/14

8:40 am-10:31 am

Nonstop2h 51m

Rapid City

Tue 11/17

1:30 pm-5:03 pm

Nonstop2h 33m

$261

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 9/25

9:40 am-11:15 am

Nonstop2h 35m

Rapid City

Wed 9/30

6:07 pm-9:45 pm

Nonstop2h 38m

$270

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 10/2

3:59 pm-5:35 pm

Nonstop2h 36m

Rapid City

Sat 10/3

6:07 pm-9:45 pm

Nonstop2h 38m

$270

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 9/25

4:00 pm-5:37 pm

Nonstop2h 37m

Rapid City

Tue 9/29

6:07 pm-9:45 pm

Nonstop2h 38m

$270

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Sat 11/14

2:30 pm-7:19 pm

1 stop5h 49m

Rapid City

Tue 11/17

1:30 pm-5:03 pm

Nonstop2h 33m

$271
Quickest round-trip

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Sun 10/11

8:47 am-10:15 am

Nonstop2h 28m

Rapid City

Mon 10/19

1:37 pm-5:01 pm

Nonstop2h 24m

$279

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Wed 10/21

8:47 am-10:15 am

Nonstop2h 28m

Rapid City

Mon 10/26

5:50 pm-11:59 pm

1 stop5h 09m

$280

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 12/25

12:15 pm-3:46 pm

1 stop4h 31m

Rapid City

Thu 12/31

4:00 pm-9:34 pm

1 stop4h 34m

$299

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Wed 9/9

1:21 pm-11:46 am

1 stop23h 25m

Rapid City

Fri 9/11

7:39 pm-12:23 am

2 stops27h 44m

$347

ChicagoRapid City

ORD Chicago O'Hare Intl - RAP Rapid City

ORDRAP

Chicago O'Hare Intl

Fri 8/21

6:00 am-10:02 am

1 stop5h 02m

Rapid City

Wed 8/26

4:30 pm-9:47 pm

1 stop4h 17m

$479

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 typical for flights on this route.

Typical prices usually range from $252 to $371.
The lowest price recently found on this route was $270.

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 $309. 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 $447.

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 at noon are often more expensive with an average ticket price of $371.

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

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 August 2026, prices for Chicago O'Hare Intl Airport to Rapid City flights are approximately 13% cheaper 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

$249

Fastest flight time

2h 26m

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 $249. The best round-trip flight deal from Chicago O'Hare Intl Airport to Rapid City found on momondo in the last 72 hours is $289.
The fastest flight from Chicago O'Hare Intl Airport to Rapid City takes 2h 26m
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 26m.

  • 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 $233Free CancellationRating
7.1
11,902 reviews
Search American Airlines flights
United AirlinesPriceFrom $267Free CancellationRating
7.4
10,103 reviews
Search United Airlines flights

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

    Across 2 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 $267 round-trip. 10,103 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 $233, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $346 round-trip. American Airlines operates 12 flights out of Chicago O'Hare Intl Airport into Rapid City in an average week, so prices vary by time and availability. 11,902 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

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
Hill City
Wall

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.

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