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Cheap flights from Chicago O'Hare Intl Airport to Rapid City from $99

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 9/10. 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

American Airlines Logo
11:08 am - 12:42 pmORD-RAP
2h 34mnonstop
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
$209American Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
American Airlines Logo
4:17 pm - 5:42 pmORD-RAP
2h 25mnonstop
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
$211American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
United Airlines Logo
8:45 am - 10:13 amORD-RAP
2h 28mnonstop
United Airlines Logo
5:50 pm - 11:59 pmRAP-ORD
5h 09m1 stop
$219United Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
United Airlines Logo
2:17 pm - 8:34 pmORD-RAP
7h 17m1 stop
United Airlines Logo
5:50 pm - 11:59 pmRAP-ORD
5h 09m1 stop
$229United Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
United Airlines Logo
5:01 am - 9:10 amORD-RAP
5h 09m1 stop
United Airlines Logo
1:44 pm - 5:05 pmRAP-ORD
2h 21mnonstop
$235United Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 12
American Airlines Logo
11:08 am - 12:42 pmORD-RAP
2h 34mnonstop
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
$239American Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Logo
6:35 am - 8:54 pmORD-RAP
15h 19m1 stop
Logo
9:44 pm - 7:49 pmRAP-ORD
21h 05m2 stops
$303
Find Deal
Thu, Oct 30 - Sun, Nov 2
Logo
6:35 am - 8:54 pmORD-RAP
15h 19m1 stop
Logo
9:44 pm - 5:45 amRAP-ORD
31h 01m1 stop
$309
Find Deal
Thu, Oct 30 - Sun, Nov 2
Delta Logo
8:55 am - 4:11 pmORD-RAP
8h 16m2 stops
Delta Logo
4:35 pm - 9:52 pmRAP-ORD
4h 17m1 stop
$349Delta
Find Deal
Thu, Dec 4 - Mon, Dec 8
Delta Logo
8:55 am - 4:11 pmORD-RAP
8h 16m2 stops
Delta Logo
10:40 am - 9:46 pmRAP-ORD
10h 06m2 stops
$354Delta
Find Deal
Thu, Dec 4 - Tue, Dec 9

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
Sep 27
ORD8:45 amChicago O'Hare Intl
2h 28m
RAP10:13 amRapid City
Sep 30
RAP5:50 pmRapid City
5h 09m
1 stop
ORD11:59 pmChicago O'Hare Intl
$219
Find similar
United Airlines
Sep 27
ORD2:17 pmChicago O'Hare Intl
7h 17m
1 stop
RAP8:34 pmRapid City
Sep 30
RAP5:50 pmRapid City
5h 09m
1 stop
ORD11:59 pmChicago O'Hare Intl
$229
Find similar
United Airlines
Oct 6
ORD5:01 amChicago O'Hare Intl
5h 09m
1 stop
RAP9:10 amRapid City
Oct 12
RAP1:44 pmRapid City
2h 21m
ORD5:05 pmChicago O'Hare Intl
$235
Find similar

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
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
$209
Find similar
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
$211
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
$239
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 August 14, 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

Wed 10/1

11:08 am-12:42 pm

Nonstop2h 34m

Rapid City

Sun 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$209

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

$211

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 9/27

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Tue 9/30

5:50 pm-11:59 pm

1 stop5h 09m

$219

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 9/27

2:17 pm-8:34 pm

1 stop7h 17m

Rapid City

Tue 9/30

5:50 pm-11:59 pm

1 stop5h 09m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Mon 10/6

5:01 am-9:10 am

1 stop5h 09m

Rapid City

Sun 10/12

1:44 pm-5:05 pm

Nonstop2h 21m

$235

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 10/1

11:08 am-12:42 pm

Nonstop2h 34m

Rapid City

Sun 10/5

6:12 pm-9:30 pm

Nonstop2h 18m

$239

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 10/30

6:35 am-8:54 pm

1 stop15h 19m

Rapid City

Sun 11/2

9:44 pm-7:49 pm

2 stops21h 05m

$303

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 10/30

6:35 am-8:54 pm

1 stop15h 19m

Rapid City

Sun 11/2

9:44 pm-5:45 am

1 stop31h 01m

$309

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/4

8:55 am-4:11 pm

2 stops8h 16m

Rapid City

Mon 12/8

4:35 pm-9:52 pm

1 stop4h 17m

$349

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 12/4

8:55 am-4:11 pm

2 stops8h 16m

Rapid City

Tue 12/9

10:40 am-9:46 pm

2 stops10h 06m

$354

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 month to fly to Rapid City?

The month of November is, on average, the cheapest month to fly to Rapid City from Chicago O'Hare Intl Airport, with most prices found around $279. If you aren’t able to travel to Rapid City during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $286.

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 $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 $404.

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 $369.

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 $322 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?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Rapid City.

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

$99

Fastest flight time

2h 22m

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 $99. The best round-trip flight deal from Chicago O'Hare Intl Airport to Rapid City found on momondo in the last 72 hours is $209.
The fastest flight from Chicago O'Hare Intl Airport to Rapid City takes 2h 22m
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 25m.

  • 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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $232Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

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

    Across 11 United Airlines flights from Chicago O'Hare Intl Airport to Rapid City this week, the average price was $352, with the best United Airlines deals starting from $232 round-trip. 8,916 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

    The best American Airlines deal for Chicago O'Hare Intl Airport to Rapid City flight tickets found on momondo in the last 72 hours was $209, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $296 round-trip. American Airlines operates 14 flights out of Chicago O'Hare Intl Airport into Rapid City in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

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?

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.

An easier way to manage your Rapid City trip

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