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Cheap flights from Chicago to Rapid City from $145

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 to Rapid City departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 10:31 am
ORD
-
RAP
2h 31mnonstop
United Airlines Logo
12:10 pm - 3:23 pm
RAP
-
ORD
2h 13mnonstop
$209United Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
10:37 am - 4:23 pm
ORD
-
RAP
6h 46m
1 stop
American Airlines Logo
11:44 am - 3:10 pm
RAP
-
ORD
2h 26mnonstop
$219American Airlines
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
7:00 am - 1:51 pm
ORD
-
RAP
7h 51m
1 stop
American Airlines Logo
2:21 pm - 10:31 pm
RAP
-
ORD
7h 10m
1 stop
$228American Airlines
Tue, Feb 24 - Tue, Mar 3
Delta Logo
9:50 am - 3:44 pm
MDW
-
RAP
6h 54m
1 stop
Delta Logo
10:54 am - 4:14 pm
RAP
-
MDW
4h 20m
1 stop
$229Delta
Thu, Feb 12 - Sat, Feb 21
United Airlines Logo
7:10 am - 1:13 pm
ORD
-
RAP
7h 03m
1 stop
United Airlines Logo
5:40 pm - 11:59 pm
RAP
-
ORD
5h 19m
1 stop
$229United Airlines
Sat, Feb 14 - Sun, Feb 15
Delta Logo
5:25 am - 3:44 pm
ORD
-
RAP
11h 19m
2 stops
Delta Logo
10:54 am - 6:01 pm
RAP
-
ORD
6h 07m
1 stop
$234Delta
Thu, Feb 12 - Mon, Feb 23
Delta Logo
9:34 am - 3:44 pm
MDW
-
RAP
7h 10m
2 stops
Delta Logo
6:00 am - 1:05 pm
RAP
-
MDW
6h 05m
1 stop
$234Delta
Tue, Feb 17 - Sun, Feb 22
Delta Logo
5:25 am - 3:44 pm
ORD
-
RAP
11h 19m
2 stops
Delta Logo
10:54 am - 8:44 pm
RAP
-
ORD
8h 50m
2 stops
$240Delta
Thu, Feb 12 - Tue, Feb 24
Delta Logo
9:34 am - 3:44 pm
MDW
-
RAP
7h 10m
2 stops
Delta Logo
10:54 am - 10:33 pm
RAP
-
MDW
10h 39m
2 stops
$240Delta
Tue, Feb 17 - Tue, Feb 24
American Airlines Logo
2:09 pm - 3:46 pm
ORD
-
RAP
2h 37mnonstop
American Airlines Logo
4:16 pm - 7:45 pm
RAP
-
ORD
2h 29mnonstop
$248American Airlines
Thu, Jun 18 - Sun, Jun 21

United Airlines flights from Chicago to Rapid City

Our best United Airlines deals on Chicago to Rapid City flight tickets
United Airlines
May 2
ORD9:00 amChicago O'Hare Intl
2h 31m
RAP10:31 amRapid City
May 6
RAP12:10 pmRapid City
2h 13m
ORD3:23 pmChicago O'Hare Intl
$209
United Airlines
Feb 14
ORD7:10 amChicago O'Hare Intl
7h 03m
1 stop
RAP1:13 pmRapid City
Feb 15
RAP5:40 pmRapid City
5h 19m
1 stop
ORD11:59 pmChicago O'Hare Intl
$229
United Airlines
Jan 27
ORD1:55 pmChicago O'Hare Intl
6h 19m
1 stop
RAP7:14 pmRapid City
Jan 31
RAP4:40 pmRapid City
6h 19m
1 stop
ORD11:59 pmChicago O'Hare Intl
$269

American Airlines flights from Chicago to Rapid City

Our best American Airlines deals on Chicago to Rapid City flight tickets
American Airlines
Apr 7
ORD10:37 amChicago O'Hare Intl
6h 46m
1 stop
RAP4:23 pmRapid City
Apr 14
RAP11:44 amRapid City
2h 26m
ORD3:10 pmChicago O'Hare Intl
$219
American Airlines
Feb 24
ORD7:00 amChicago O'Hare Intl
7h 51m
1 stop
RAP1:51 pmRapid City
Mar 3
RAP2:21 pmRapid City
7h 10m
1 stop
ORD10:31 pmChicago O'Hare Intl
$228
American Airlines
Jun 18
ORD2:09 pmChicago O'Hare Intl
2h 37m
RAP3:46 pmRapid City
Jun 21
RAP4:16 pmRapid City
2h 29m
ORD7:45 pmChicago O'Hare Intl
$248

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 January 12, 2026.
Use the filters below to find and compare flights from Chicago 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

Sat 5/2

9:00 am-10:31 am

Nonstop2h 31m

Rapid City

Wed 5/6

12:10 pm-3:23 pm

Nonstop2h 13m

$209

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 4/7

10:37 am-4:23 pm

1 stop6h 46m

Rapid City

Tue 4/14

11:44 am-3:10 pm

Nonstop2h 26m

$219

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 2/24

7:00 am-1:51 pm

1 stop7h 51m

Rapid City

Tue 3/3

2:21 pm-10:31 pm

1 stop7h 10m

$228

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Thu 2/12

9:50 am-3:44 pm

1 stop6h 54m

Rapid City

Sat 2/21

10:54 am-4:14 pm

1 stop4h 20m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 2/14

7:10 am-1:13 pm

1 stop7h 03m

Rapid City

Sun 2/15

5:40 pm-11:59 pm

1 stop5h 19m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 2/12

5:25 am-3:44 pm

2 stops11h 19m

Rapid City

Mon 2/23

10:54 am-6:01 pm

1 stop6h 07m

$234

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Tue 2/17

9:34 am-3:44 pm

2 stops7h 10m

Rapid City

Sun 2/22

6:00 am-1:05 pm

1 stop6h 05m

$234

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 2/12

5:25 am-3:44 pm

2 stops11h 19m

Rapid City

Tue 2/24

10:54 am-8:44 pm

2 stops8h 50m

$240

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Tue 2/17

9:34 am-3:44 pm

2 stops7h 10m

Rapid City

Tue 2/24

10:54 am-10:33 pm

2 stops10h 39m

$240

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 6/18

2:09 pm-3:46 pm

Nonstop2h 37m

Rapid City

Sun 6/21

4:16 pm-7:45 pm

Nonstop2h 29m

$248

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 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 cheapest month to fly to Rapid City?

The month of February is, on average, the cheapest month to fly to Rapid City from Chicago, with most prices found around $218. If you aren’t able to travel to Rapid City during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $285.

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

According to our data, Wednesday is the cheapest day to fly to Rapid City from Chicago. The lowest ticket price found for a Wednesday 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 $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 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 $366.

What is the cheapest Chicago to Rapid City flight route?

Fly from Chicago O'Hare Intl to Rapid City for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $336 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 for as low as $271 on momondo.

What cabin class options are available on Chicago to Rapid City flights?

There are 3 cabin classes available to choose from on Chicago 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 to Rapid City flights?

You could potentially save up to 3% on your flight if you consider stops on a Chicago to Rapid City flight.

When to book flights from Chicago to Rapid City

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

Cheap Chicago to Rapid City (CHI to RAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Rapid City

Best Price Found

$209

Fastest flight time

2h 31m

Direct flights

Every day

Airports in Rapid City

1 airport
The best flight deal from Chicago to Rapid City found on momondo in the last 72 hours is $209
The fastest flight from Chicago to Rapid City takes 2h 31m
Direct flights go from Chicago to Rapid City every day.
There is 1 airport in Rapid City. From Chicago there are direct flights to Rapid City (RAP).
Search flight deals

  • How far is Chicago to Rapid City by plane?

    The straight-line distance from Chicago to Rapid City is 801.5 mi. 2h 31m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Rapid City Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Chicago 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 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 to Rapid City?

  • What is the most popular airline from Chicago to Rapid City?

Best airlines flying from Chicago to Rapid City

Compare and see reviews for airlines that fly from Chicago to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $209Free CancellationRating
7.2
11,109 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,033 reviews
Search Delta flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,143 reviews
Search United Airlines flights

Traveling to a place near Rapid City?

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

Why use momondo?

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

Finding the right flight to Rapid City from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rapid City quick and easy, saving you time and money.

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Rapid City.

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

If you are simply researching potential flights to Rapid City, momondo offers a useful price alert feature which will track prices for flights to Rapid City from Chicago and alert you when they change.

An easier way to manage your Rapid City trip

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