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Cheap flights from Chicago to Rapid City from $127

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 7/5. 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
9:30 pm - 11:16 pm
ORD
-
RAP
2h 46mnonstop
United Airlines Logo
1:35 pm - 4:59 pm
RAP
-
ORD
2h 24mnonstop
$191United Airlines
Sat, Jul 25 - Wed, Jul 29
United Airlines Logo
9:30 pm - 11:16 pm
ORD
-
RAP
2h 46mnonstop
United Airlines Logo
1:35 pm - 4:59 pm
RAP
-
ORD
2h 24mnonstop
$201United Airlines
Sat, Jul 25 - Wed, Jul 29
Delta Logo
6:25 pm - 10:26 pm
ORD
-
RAP
5h 01m
1 stop
Delta Logo
2:31 pm - 7:30 pm
RAP
-
ORD
3h 59m
1 stop
$211Delta
Sat, Jul 11 - Wed, Jul 15
United Airlines Logo
9:30 pm - 11:16 pm
ORD
-
RAP
2h 46mnonstop
United Airlines Logo
5:53 pm - 12:44 am
RAP
-
ORD
5h 51m
1 stop
$217United Airlines
Sat, Jul 4 - Wed, Jul 8
Delta Logo
6:55 pm - 10:26 pm
MDW
-
RAP
4h 31m
1 stop
Delta Logo
6:48 am - 1:09 pm
RAP
-
MDW
5h 21m
1 stop
$221Delta
Sat, Jul 11 - Sat, Jul 18
Delta Logo
6:25 pm - 10:26 pm
ORD
-
RAP
5h 01m
1 stop
Delta Logo
2:31 pm - 7:30 pm
RAP
-
ORD
3h 59m
1 stop
$221Delta
Sat, Jul 11 - Wed, Jul 15
United Airlines Logo
9:30 pm - 11:16 pm
ORD
-
RAP
2h 46mnonstop
United Airlines Logo
1:35 pm - 4:59 pm
RAP
-
ORD
2h 24mnonstop
$222United Airlines
Sat, Jun 13 - Mon, Jun 15
American Airlines Logo
1:25 pm - 2:56 pm
ORD
-
RAP
2h 31mnonstop
American Airlines Logo
3:26 pm - 7:03 pm
RAP
-
ORD
2h 37mnonstop
$231American Airlines
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
6:00 am - 11:49 am
ORD
-
RAP
6h 49m
1 stop
American Airlines Logo
12:19 pm - 3:49 pm
RAP
-
ORD
2h 30mnonstop
$232American Airlines
Wed, Aug 19 - Sat, Aug 29
United Airlines Logo
5:00 am - 9:20 am
ORD
-
RAP
5h 20m
1 stop
United Airlines Logo
6:00 am - 9:34 am
RAP
-
ORD
2h 34mnonstop
$234United Airlines
Wed, Jun 24 - Wed, Jul 1

United Airlines flights from Chicago to Rapid City

Our best United Airlines deals on Chicago to Rapid City flight tickets
United Airlines
Jul 25
ORD9:30 pmChicago O'Hare Intl
2h 46m
RAP11:16 pmRapid City
Jul 29
RAP1:35 pmRapid City
2h 24m
ORD4:59 pmChicago O'Hare Intl
$191
United Airlines
Jul 25
ORD9:30 pmChicago O'Hare Intl
2h 46m
RAP11:16 pmRapid City
Jul 29
RAP1:35 pmRapid City
2h 24m
ORD4:59 pmChicago O'Hare Intl
$201
United Airlines
Jul 4
ORD9:30 pmChicago O'Hare Intl
2h 46m
RAP11:16 pmRapid City
Jul 8
RAP5:53 pmRapid City
5h 51m
1 stop
ORD12:44 amChicago O'Hare Intl
$217

American Airlines flights from Chicago to Rapid City

Our best American Airlines deals on Chicago to Rapid City flight tickets
American Airlines
Aug 29
ORD1:25 pmChicago O'Hare Intl
2h 31m
RAP2:56 pmRapid City
Sep 5
RAP3:26 pmRapid City
2h 37m
ORD7:03 pmChicago O'Hare Intl
$231
American Airlines
Aug 19
ORD6:00 amChicago O'Hare Intl
6h 49m
1 stop
RAP11:49 amRapid City
Aug 29
RAP12:19 pmRapid City
2h 30m
ORD3:49 pmChicago O'Hare Intl
$232
American Airlines
Sep 22
ORD5:00 amChicago O'Hare Intl
6h 49m
1 stop
RAP10:49 amRapid City
Sep 29
RAP6:11 pmRapid City
2h 19m
ORD9:30 pmChicago O'Hare Intl
$241

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 May 11, 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

Cheapest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/25

9:30 pm-11:16 pm

Nonstop2h 46m

Rapid City

Wed 7/29

1:35 pm-4:59 pm

Nonstop2h 24m

$191

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/25

9:30 pm-11:16 pm

Nonstop2h 46m

Rapid City

Wed 7/29

1:35 pm-4:59 pm

Nonstop2h 24m

$201

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/11

6:25 pm-10:26 pm

1 stop5h 01m

Rapid City

Wed 7/15

2:31 pm-7:30 pm

1 stop3h 59m

$211

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/4

9:30 pm-11:16 pm

Nonstop2h 46m

Rapid City

Wed 7/8

5:53 pm-12:44 am

1 stop5h 51m

$217

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Sat 7/11

6:55 pm-10:26 pm

1 stop4h 31m

Rapid City

Sat 7/18

6:48 am-1:09 pm

1 stop5h 21m

$221

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/11

6:25 pm-10:26 pm

1 stop5h 01m

Rapid City

Wed 7/15

2:31 pm-7:30 pm

1 stop3h 59m

$221

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 6/13

9:30 pm-11:16 pm

Nonstop2h 46m

Rapid City

Mon 6/15

1:35 pm-4:59 pm

Nonstop2h 24m

$222
Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/29

1:25 pm-2:56 pm

Nonstop2h 31m

Rapid City

Sat 9/5

3:26 pm-7:03 pm

Nonstop2h 37m

$231

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 8/19

6:00 am-11:49 am

1 stop6h 49m

Rapid City

Sat 8/29

12:19 pm-3:49 pm

Nonstop2h 30m

$232

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 6/24

5:00 am-9:20 am

1 stop5h 20m

Rapid City

Wed 7/1

6:00 am-9:34 am

Nonstop2h 34m

$234

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 typical price of a round-trip flight between Chicago and Rapid City?

What is the cheapest month to fly to Rapid City?

The month of August is, on average, the cheapest month to fly to Rapid City from Chicago, with most prices found around $189. If you aren’t able to travel to Rapid City during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $191.

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. The lowest ticket price found for a Thursday departure recently was $287. 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 $351.

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 from Chicago 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 $335 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 $249 on momondo.

Can stopping save me money on Chicago to Rapid City flights?

No. A direct flight is the cheapest option for a flight between Chicago to Rapid City.

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

$253

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 in the past 72 hours is $253. The best round-trip flight deal from Chicago to Rapid City found on momondo in the last 72 hours is $281.
The fastest flight from Chicago to Rapid City takes 2h 28m
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

Frequently asked questions about flying from Chicago to Rapid City

  • How far is Chicago to Rapid City by plane?

    The straight-line distance from Chicago to Rapid City is 801.5 mi. 2h 28m 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
7.1
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago to Rapid City

    Across 14 United Airlines flights from Chicago to Rapid City this week, the average price was $362, with the best United Airlines deals starting from $252 round-trip. 9,694 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • American Airlines Flights From Chicago to Rapid City

    Another popular option for Chicago to Rapid City flights is American Airlines (7.1/10, 11,667 ratings). American Airlines flies from Chicago to Rapid City around 7 times per week, with deals starting from $209 round-trip and rising to an average price of around $332.

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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