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Cheap flights from Chicago to Rapid City from $146

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 10/22. 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 (CHI-RAP)

Cheap round-trip flights

Delta Logo
9:20 am - 1:45 pmMDW-RAP
5h 25m1 stop
Delta Logo
6:05 am - 1:08 pmRAP-MDW
6h 03m1 stop
$179Delta
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Sat, Oct 25 - Sat, Nov 1
United Airlines Logo
8:45 am - 10:13 amORD-RAP
2h 28mnonstop
United Airlines Logo
1:44 pm - 5:05 pmRAP-ORD
2h 21mnonstop
$209United Airlines
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Sat, Oct 11 - Mon, Oct 13
United Airlines Logo
5:01 am - 9:52 amORD-RAP
5h 51m1 stop
United Airlines Logo
1:44 pm - 5:05 pmRAP-ORD
2h 21mnonstop
$219United Airlines
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Sat, Oct 11 - Tue, Oct 14
Delta Logo
1:25 pm - 10:36 pmORD-RAP
10h 11m2 stops
Delta Logo
6:05 am - 11:28 amRAP-ORD
4h 23m1 stop
$224Delta
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Sat, Oct 25 - Sat, Nov 1
United Airlines Logo
5:00 am - 9:06 amORD-RAP
5h 06m1 stop
United Airlines Logo
5:59 pm - 11:59 pmRAP-ORD
5h 00m1 stop
$229United Airlines
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Mon, Sep 15 - Sat, Sep 20
United Airlines Logo
8:45 am - 10:13 amORD-RAP
2h 28mnonstop
United Airlines Logo
4:35 pm - 11:59 pmRAP-ORD
6h 24m1 stop
$235United Airlines
Find Deal
Fri, Sep 26 - Fri, Oct 3
United Airlines Logo
8:45 am - 10:13 amORD-RAP
2h 28mnonstop
United Airlines Logo
1:44 pm - 5:05 pmRAP-ORD
2h 21mnonstop
$238United Airlines
Find Deal
Fri, Oct 10 - Mon, Oct 13
American Airlines Logo
4:17 pm - 5:42 pmORD-RAP
2h 25mnonstop
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
$239American Airlines
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Thu, Oct 2 - Sun, Oct 5
United Airlines Logo
5:01 am - 9:10 amORD-RAP
5h 09m1 stop
United Airlines Logo
5:50 pm - 11:59 pmRAP-ORD
5h 09m1 stop
$245United Airlines
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Wed, Oct 22 - Sat, Oct 25
American Airlines Logo
5:00 am - 11:22 amORD-RAP
7h 22m1 stop
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
$249American Airlines
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Thu, Oct 2 - Sun, Oct 5

American Airlines flights from Chicago to Rapid City

Our best American Airlines deals on Chicago to Rapid City flight tickets
American Airlines
Oct 2
ORD4:17 pmChicago O'Hare Intl
2h 25m
RAP5:42 pmRapid City
Oct 5
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
$239
Find similar
American Airlines
Oct 2
ORD5:00 amChicago O'Hare Intl
7h 22m
1 stop
RAP11:22 amRapid City
Oct 5
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
$249
Find similar
American Airlines
Oct 1
ORD11:08 amChicago O'Hare Intl
2h 34m
RAP12:42 pmRapid City
Oct 5
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
$267
Find similar

Delta flights from Chicago to Rapid City

Our best Delta deals on Chicago to Rapid City flight tickets
Delta
Oct 25
MDW9:20 amChicago Midway
5h 25m
1 stop
RAP1:45 pmRapid City
Nov 1
RAP6:05 amRapid City
6h 03m
1 stop
MDW1:08 pmChicago Midway
$179
Find similar
Delta
Oct 25
ORD1:25 pmChicago O'Hare Intl
10h 11m
2 stops
RAP10:36 pmRapid City
Nov 1
RAP6:05 amRapid City
4h 23m
1 stop
ORD11:28 amChicago O'Hare Intl
$224
Find similar
Delta
Oct 22
ORD8:55 amChicago O'Hare Intl
7h 55m
2 stops
RAP3:50 pmRapid City
Oct 25
RAP6:05 amRapid City
4h 23m
1 stop
ORD11:28 amChicago O'Hare Intl
$274
Find similar

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 August 28, 2025.
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

MDW - RAP

MDWRAP

Chicago Midway

Sat 10/25

9:20 am-1:45 pm

1 stop5h 25m

Rapid City

Sat 11/1

6:05 am-1:08 pm

1 stop6h 03m

$179

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 10/11

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Mon 10/13

1:44 pm-5:05 pm

Nonstop2h 21m

$209

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 10/11

5:01 am-9:52 am

1 stop5h 51m

Rapid City

Tue 10/14

1:44 pm-5:05 pm

Nonstop2h 21m

$219

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 10/25

1:25 pm-10:36 pm

2 stops10h 11m

Rapid City

Sat 11/1

6:05 am-11:28 am

1 stop4h 23m

$224

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Mon 9/15

5:00 am-9:06 am

1 stop5h 06m

Rapid City

Sat 9/20

5:59 pm-11:59 pm

1 stop5h 00m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 9/26

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Fri 10/3

4:35 pm-11:59 pm

1 stop6h 24m

$235

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 10/10

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Mon 10/13

1:44 pm-5:05 pm

Nonstop2h 21m

$238

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 10/2

4:17 pm-5:42 pm

Nonstop2h 25m

Rapid City

Sun 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$239

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 10/22

5:01 am-9:10 am

1 stop5h 09m

Rapid City

Sat 10/25

5:50 pm-11:59 pm

1 stop5h 09m

$245

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 10/2

5:00 am-11:22 am

1 stop7h 22m

Rapid City

Sun 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$249

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 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 January is also cheap. Prices for this month can be found on momondo for an average of $228.

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 $288. 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 Sunday, with ticket prices averaging around $418.

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 evening are often more expensive with an average ticket price of $369.

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 $321 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?

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

$258

Fastest flight time

2h 25m

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 $258. The best round-trip flight deal from Chicago to Rapid City found on momondo in the last 72 hours is $279.
The fastest flight from Chicago to Rapid City takes 2h 25m
Direct flights go from Chicago to Rapid City every day.
There is 1 airport near Rapid City: 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 25m 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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago to Rapid City

    Across 6 United Airlines flights from Chicago to Rapid City this week, the average price was $353, with the best United Airlines deals starting from $228 round-trip. 8,944 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 (7.2/10, 10,000 ratings). American Airlines flies from Chicago to Rapid City around 9 times per week, with deals starting from $209 round-trip and rising to an average price of around $294.

Traveling to a place near Rapid City?

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

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.

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