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Cheap flights from Chicago O'Hare Intl Airport to Rapid City from $126

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
11:00 am - 2:09 pmORD-RAP
4h 09m1 stop
Delta Logo
2:51 pm - 9:40 pmRAP-ORD
5h 49m1 stop
$229Delta
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Thu, Dec 11 - Sun, Dec 14
Delta Logo
6:45 am - 3:45 pmORD-RAP
10h 00m2 stops
Delta Logo
2:51 pm - 9:40 pmRAP-ORD
5h 49m1 stop
$234Delta
Find Deal
Thu, Dec 4 - Tue, Dec 9
Delta Logo
6:45 am - 3:45 pmORD-RAP
10h 00m2 stops
Delta Logo
6:05 am - 4:59 pmRAP-ORD
9h 54m2 stops
$239Delta
Find Deal
Thu, Dec 4 - Tue, Dec 9
Delta Logo
6:00 am - 10:05 amORD-RAP
5h 05m1 stop
Delta Logo
10:40 am - 4:48 pmRAP-ORD
5h 08m1 stop
$249Delta
Find Deal
Sat, Mar 7 - Tue, Mar 10
Delta Logo
6:00 am - 10:05 amORD-RAP
5h 05m1 stop
Delta Logo
10:40 am - 8:38 pmRAP-ORD
8h 58m2 stops
$254Delta
Find Deal
Sat, Mar 7 - Tue, Mar 10
Multiple Airlines Logo
6:00 am - 8:54 pmORD-RAP
15h 54m2 stops
Multiple Airlines Logo
10:10 pm - 5:32 amRAP-ORD
30h 22m1 stop
$274Multiple Airlines
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Sun, Nov 16 - Thu, Nov 20
United Airlines Logo
8:45 am - 10:34 amORD-RAP
2h 49mnonstop
United Airlines Logo
1:30 pm - 4:57 pmRAP-ORD
2h 27mnonstop
$279United Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 23
Multiple Airlines Logo
8:00 am - 8:54 pmORD-RAP
13h 54m1 stop
Multiple Airlines Logo
10:10 pm - 5:32 amRAP-ORD
30h 22m1 stop
$285Multiple Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 20
United Airlines Logo
8:45 am - 10:34 amORD-RAP
2h 49mnonstop
United Airlines Logo
6:00 pm - 11:59 pmRAP-ORD
4h 59m1 stop
$289United Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 23
American Airlines Logo
5:18 am - 1:12 pmORD-RAP
8h 54m1 stop
American Airlines Logo
5:15 am - 1:34 pmRAP-ORD
7h 19m1 stop
$298American Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9

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 11
ORD11:00 amChicago O'Hare Intl
4h 09m
1 stop
RAP2:09 pmRapid City
Dec 14
RAP2:51 pmRapid City
5h 49m
1 stop
ORD9:40 pmChicago O'Hare Intl
$229
Find similar
Delta
Dec 4
ORD6:45 amChicago O'Hare Intl
10h 00m
2 stops
RAP3:45 pmRapid City
Dec 9
RAP2:51 pmRapid City
5h 49m
1 stop
ORD9:40 pmChicago O'Hare Intl
$234
Find similar
Delta
Dec 4
ORD6:45 amChicago O'Hare Intl
10h 00m
2 stops
RAP3:45 pmRapid City
Dec 9
RAP6:05 amRapid City
9h 54m
2 stops
ORD4:59 pmChicago O'Hare Intl
$239
Find similar

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
Nov 14
ORD8:45 amChicago O'Hare Intl
2h 49m
RAP10:34 amRapid City
Nov 18
RAP1:30 pmRapid City
2h 27m
ORD4:57 pmChicago O'Hare Intl
$249
Find similar
United Airlines
Nov 14
ORD8:45 amChicago O'Hare Intl
2h 49m
RAP10:34 amRapid City
Nov 18
RAP12:27 pmRapid City
5h 26m
1 stop
ORD6:53 pmChicago O'Hare Intl
$259
Find similar
United Airlines
Nov 13
ORD1:55 pmChicago O'Hare Intl
5h 48m
1 stop
RAP6:43 pmRapid City
Nov 16
RAP8:45 amRapid City
5h 03m
1 stop
ORD2:48 pmChicago O'Hare Intl
$269
Find similar

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 November 2, 2025.
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

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/11

11:00 am-2:09 pm

1 stop4h 09m

Rapid City

Sun 12/14

2:51 pm-9:40 pm

1 stop5h 49m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/4

6:45 am-3:45 pm

2 stops10h 00m

Rapid City

Tue 12/9

2:51 pm-9:40 pm

1 stop5h 49m

$234

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/4

6:45 am-3:45 pm

2 stops10h 00m

Rapid City

Tue 12/9

6:05 am-4:59 pm

2 stops9h 54m

$239

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 3/7

6:00 am-10:05 am

1 stop5h 05m

Rapid City

Tue 3/10

10:40 am-4:48 pm

1 stop5h 08m

$249

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 3/7

6:00 am-10:05 am

1 stop5h 05m

Rapid City

Tue 3/10

10:40 am-8:38 pm

2 stops8h 58m

$254

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sun 11/16

6:00 am-8:54 pm

2 stops15h 54m

Rapid City

Thu 11/20

10:10 pm-5:32 am

1 stop30h 22m

$274

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 11/22

8:45 am-10:34 am

Nonstop2h 49m

Rapid City

Sun 11/23

1:30 pm-4:57 pm

Nonstop2h 27m

$279

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sun 11/16

8:00 am-8:54 pm

1 stop13h 54m

Rapid City

Thu 11/20

10:10 pm-5:32 am

1 stop30h 22m

$285

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 11/22

8:45 am-10:34 am

Nonstop2h 49m

Rapid City

Sun 11/23

6:00 pm-11:59 pm

1 stop4h 59m

$289

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/4

5:18 am-1:12 pm

1 stop8h 54m

Rapid City

Tue 12/9

5:15 am-1:34 pm

1 stop7h 19m

$298

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?

What is the cheapest month to fly to Rapid City?

The month of September is, on average, the cheapest month to fly to Rapid City from Chicago O'Hare Intl Airport, with most prices found around $276. If you aren’t able to travel to Rapid City during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $279.

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

According to our data, Thursday is the cheapest day to fly to Rapid City from Chicago O'Hare Intl Airport. The lowest ticket price found for a Thursday departure recently was $285. 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 $431.

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 $276. Flights in the morning are often more expensive with an average ticket price of $370.

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 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 $323 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 $271 on momondo.

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl 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?

You could potentially save up to 61% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Rapid City flight.

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

Fastest flight time

2h 38m

Direct flights

Every day

Airports in Rapid City

1 airport
The fastest flight from Chicago O'Hare Intl Airport to Rapid City takes 2h 38m
Direct flights go from Chicago O'Hare Intl Airport to Rapid City every day.
There is 1 airport near Rapid City: Rapid City (RAP)
Search flight deals

  • 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 45m.

  • 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 $209Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,997 reviews
Search Delta flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
8,994 reviews
Search United Airlines flights

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

    Across 6 United Airlines flights from Chicago O'Hare Intl Airport to Rapid City this week, the average price was $360, with the best United Airlines deals starting from $250 round-trip. 8,994 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near Rapid City?

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

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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