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Cheap flights from Chicago O'Hare Intl Airport to Rapid City from $152

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 4/18. 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

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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.
American Airlines Logo
11:00 am - 12:30 pm
ORD
-
RAP
2h 30mnonstop
American Airlines Logo
6:10 pm - 9:29 pm
RAP
-
ORD
2h 19mnonstop
$269American Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
8:05 pm - 9:46 pm
ORD
-
RAP
2h 41mnonstop
United Airlines Logo
4:13 pm - 11:57 pm
RAP
-
ORD
6h 44m
1 stop
$279United Airlines
Sat, May 9 - Tue, May 12
American Airlines Logo
6:04 am - 12:38 pm
ORD
-
RAP
7h 34m
1 stop
American Airlines Logo
11:53 am - 3:20 pm
RAP
-
ORD
2h 27mnonstop
$281American Airlines
Wed, May 6 - Wed, May 13
Delta Logo
7:09 pm - 10:20 pm
ORD
-
RAP
4h 11m
1 stop
Delta Logo
10:58 am - 6:13 pm
RAP
-
ORD
6h 15m
1 stop
$289Delta
Tue, Apr 14 - Sun, Apr 19
United Airlines Logo
8:45 am - 10:24 am
ORD
-
RAP
2h 39mnonstop
United Airlines Logo
1:35 pm - 4:59 pm
RAP
-
ORD
2h 24mnonstop
$290United Airlines
Sat, Jul 25 - Wed, Jul 29
American Airlines Logo
6:57 am - 12:38 pm
ORD
-
RAP
6h 41m
1 stop
American Airlines Logo
1:08 pm - 9:45 pm
RAP
-
ORD
7h 37m
1 stop
$291American Airlines
Wed, May 6 - Wed, May 13
Delta Logo
6:30 am - 9:58 am
ORD
-
RAP
4h 28m
1 stop
Delta Logo
6:20 am - 6:42 pm
RAP
-
ORD
11h 22m
2 stops
$294Delta
Fri, Jun 26 - Mon, Jul 6
United Airlines Logo
8:00 pm - 9:41 pm
ORD
-
RAP
2h 41mnonstop
United Airlines Logo
2:47 pm - 9:20 pm
RAP
-
ORD
5h 33m
1 stop
$299United Airlines
Wed, Apr 8 - Wed, Apr 22
United Airlines Logo
8:45 am - 10:24 am
ORD
-
RAP
2h 39mnonstop
United Airlines Logo
5:53 pm - 12:44 am
RAP
-
ORD
5h 51m
1 stop
$300United Airlines
Sat, Jul 25 - Wed, Jul 29
United Airlines Logo
7:50 pm - 9:37 pm
ORD
-
RAP
2h 47mnonstop
United Airlines Logo
4:40 pm - 12:44 am
RAP
-
ORD
7h 04m
1 stop
$301United Airlines
Sat, May 23 - Sat, May 30

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
May 9
ORD8:05 pmChicago O'Hare Intl
2h 41m
RAP9:46 pmRapid City
May 12
RAP4:13 pmRapid City
6h 44m
1 stop
ORD11:57 pmChicago O'Hare Intl
$279
United Airlines
Apr 5
ORD9:06 amChicago O'Hare Intl
2h 30m
RAP10:36 amRapid City
Apr 17
RAP11:40 amRapid City
2h 13m
ORD2:53 pmChicago O'Hare Intl
$289
United Airlines
Jul 25
ORD8:45 amChicago O'Hare Intl
2h 39m
RAP10:24 amRapid City
Jul 29
RAP1:35 pmRapid City
2h 24m
ORD4:59 pmChicago O'Hare Intl
$290

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
Aug 29
ORD11:00 amChicago O'Hare Intl
2h 30m
RAP12:30 pmRapid City
Sep 5
RAP6:10 pmRapid City
2h 19m
ORD9:29 pmChicago O'Hare Intl
$269
American Airlines
May 6
ORD6:04 amChicago O'Hare Intl
7h 34m
1 stop
RAP12:38 pmRapid City
May 13
RAP11:53 amRapid City
2h 27m
ORD3:20 pmChicago O'Hare Intl
$281
American Airlines
May 6
ORD6:57 amChicago O'Hare Intl
6h 41m
1 stop
RAP12:38 pmRapid City
May 13
RAP1:08 pmRapid City
7h 37m
1 stop
ORD9:45 pmChicago O'Hare Intl
$291

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 March 23, 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
Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/29

11:00 am-12:30 pm

Nonstop2h 30m

Rapid City

Sat 9/5

6:10 pm-9:29 pm

Nonstop2h 19m

$269

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 5/9

8:05 pm-9:46 pm

Nonstop2h 41m

Rapid City

Tue 5/12

4:13 pm-11:57 pm

1 stop6h 44m

$279

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 5/6

6:04 am-12:38 pm

1 stop7h 34m

Rapid City

Wed 5/13

11:53 am-3:20 pm

Nonstop2h 27m

$281

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 4/14

7:09 pm-10:20 pm

1 stop4h 11m

Rapid City

Sun 4/19

10:58 am-6:13 pm

1 stop6h 15m

$289

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/25

8:45 am-10:24 am

Nonstop2h 39m

Rapid City

Wed 7/29

1:35 pm-4:59 pm

Nonstop2h 24m

$290

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 5/6

6:57 am-12:38 pm

1 stop6h 41m

Rapid City

Wed 5/13

1:08 pm-9:45 pm

1 stop7h 37m

$291

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 6/26

6:30 am-9:58 am

1 stop4h 28m

Rapid City

Mon 7/6

6:20 am-6:42 pm

2 stops11h 22m

$294

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 4/8

8:00 pm-9:41 pm

Nonstop2h 41m

Rapid City

Wed 4/22

2:47 pm-9:20 pm

1 stop5h 33m

$299

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 7/25

8:45 am-10:24 am

Nonstop2h 39m

Rapid City

Wed 7/29

5:53 pm-12:44 am

1 stop5h 51m

$300

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 5/23

7:50 pm-9:37 pm

Nonstop2h 47m

Rapid City

Sat 5/30

4:40 pm-12:44 am

1 stop7h 04m

$301

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 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 $319. 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 $391.

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 evening are often more expensive with an average ticket price of $365.

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 $329 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 $243 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?

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 March 2026, prices for Chicago O'Hare Intl Airport to Rapid City flights are approximately 1% 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

$188

Fastest flight time

2h 21m

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 $188. The best round-trip flight deal from Chicago O'Hare Intl Airport to Rapid City found on momondo in the last 72 hours is $308.
The fastest flight from Chicago O'Hare Intl Airport to Rapid City takes 2h 21m
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

  • 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 21m.

  • 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
7.1
11,489 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,319 reviews
Search Delta flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,460 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
Hot Springs
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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