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Cheap flights from Rapid City to Chicago from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Chicago departing on 8/13. 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 Rapid City to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:35 pm - 4:59 pm
RAP
-
ORD
2h 24mnonstop
United Airlines Logo
5:00 am - 9:20 am
ORD
-
RAP
5h 20m
1 stop
$201United Airlines
Wed, Jun 3 - Tue, Jun 9
Delta Logo
11:13 am - 4:51 pm
RAP
-
ORD
4h 38m
1 stop
Delta Logo
6:30 am - 10:27 am
ORD
-
RAP
4h 57m
1 stop
$211Delta
Wed, Jun 3 - Tue, Jun 9
American Airlines Logo
6:11 pm - 9:30 pm
RAP
-
ORD
2h 19mnonstop
American Airlines Logo
9:40 am - 11:08 am
ORD
-
RAP
2h 28mnonstop
$212American Airlines
Wed, Sep 23 - Mon, Sep 28
Delta Logo
11:13 am - 8:14 pm
RAP
-
ORD
8h 01m
2 stops
Delta Logo
6:30 am - 10:27 am
ORD
-
RAP
4h 57m
1 stop
$216Delta
Wed, Jun 3 - Tue, Jun 9
United Airlines Logo
1:33 pm - 4:56 pm
RAP
-
ORD
2h 23mnonstop
United Airlines Logo
8:44 am - 10:12 am
ORD
-
RAP
2h 28mnonstop
$230United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
1:35 pm - 4:59 pm
RAP
-
ORD
2h 24mnonstop
United Airlines Logo
5:00 am - 9:20 am
ORD
-
RAP
5h 20m
1 stop
$232United Airlines
Wed, Jul 15 - Sun, Jul 19
American Airlines Logo
3:25 pm - 7:03 pm
RAP
-
ORD
2h 38mnonstop
American Airlines Logo
1:21 pm - 2:55 pm
ORD
-
RAP
2h 34mnonstop
$233American Airlines
Thu, Jul 30 - Mon, Aug 3
American Airlines Logo
5:01 pm - 12:42 am
RAP
-
ORD
6h 41m
1 stop
American Airlines Logo
9:45 am - 11:19 am
ORD
-
RAP
2h 34mnonstop
$240American Airlines
Sat, May 23 - Tue, May 26
American Airlines Logo
3:23 pm - 6:57 pm
RAP
-
ORD
2h 34mnonstop
American Airlines Logo
9:45 am - 11:19 am
ORD
-
RAP
2h 34mnonstop
$251American Airlines
Thu, May 21 - Mon, May 25
Delta Logo
6:48 am - 3:05 pm
RAP
-
ORD
7h 17m
1 stop
Delta Logo
5:57 pm - 10:37 pm
ORD
-
RAP
5h 40m
1 stop
$253Delta
Fri, Jun 19 - Mon, Jun 22

United Airlines flights from Rapid City to Chicago O'Hare Intl Airport

Our best United Airlines deals on Rapid City to Chicago O'Hare Intl Airport flight tickets
United Airlines
Jun 3
RAP1:35 pmRapid City
2h 24m
ORD4:59 pmChicago O'Hare Intl
Jun 9
ORD5:00 amChicago O'Hare Intl
5h 20m
1 stop
RAP9:20 amRapid City
$201
United Airlines
Aug 22
RAP1:33 pmRapid City
2h 23m
ORD4:56 pmChicago O'Hare Intl
Aug 25
ORD8:44 amChicago O'Hare Intl
2h 28m
RAP10:12 amRapid City
$230
United Airlines
Jul 15
RAP1:35 pmRapid City
2h 24m
ORD4:59 pmChicago O'Hare Intl
Jul 19
ORD5:00 amChicago O'Hare Intl
5h 20m
1 stop
RAP9:20 amRapid City
$232

Delta flights from Rapid City to Chicago O'Hare Intl Airport

Our best Delta deals on Rapid City to Chicago O'Hare Intl Airport flight tickets
Delta
Jun 3
RAP11:13 amRapid City
4h 38m
1 stop
ORD4:51 pmChicago O'Hare Intl
Jun 9
ORD6:30 amChicago O'Hare Intl
4h 57m
1 stop
RAP10:27 amRapid City
$211
Delta
Jun 3
RAP11:13 amRapid City
8h 01m
2 stops
ORD8:14 pmChicago O'Hare Intl
Jun 9
ORD6:30 amChicago O'Hare Intl
4h 57m
1 stop
RAP10:27 amRapid City
$216
Delta
Jun 19
RAP6:48 amRapid City
7h 17m
1 stop
ORD3:05 pmChicago O'Hare Intl
Jun 22
ORD5:57 pmChicago O'Hare Intl
5h 40m
1 stop
RAP10:37 pmRapid City
$253

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Chicago O'Hare Intl Airport 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 April 28, 2026.
Use the filters below to find and compare flights from Rapid City to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 6/3

1:35 pm-4:59 pm

Nonstop2h 24m

Chicago O'Hare Intl

Tue 6/9

5:00 am-9:20 am

1 stop5h 20m

$201

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 6/3

11:13 am-4:51 pm

1 stop4h 38m

Chicago O'Hare Intl

Tue 6/9

6:30 am-10:27 am

1 stop4h 57m

$211
Quickest round-trip

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 9/23

6:11 pm-9:30 pm

Nonstop2h 19m

Chicago O'Hare Intl

Mon 9/28

9:40 am-11:08 am

Nonstop2h 28m

$212

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 6/3

11:13 am-8:14 pm

2 stops8h 01m

Chicago O'Hare Intl

Tue 6/9

6:30 am-10:27 am

1 stop4h 57m

$216

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 8/22

1:33 pm-4:56 pm

Nonstop2h 23m

Chicago O'Hare Intl

Tue 8/25

8:44 am-10:12 am

Nonstop2h 28m

$230

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 7/15

1:35 pm-4:59 pm

Nonstop2h 24m

Chicago O'Hare Intl

Sun 7/19

5:00 am-9:20 am

1 stop5h 20m

$232

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 7/30

3:25 pm-7:03 pm

Nonstop2h 38m

Chicago O'Hare Intl

Mon 8/3

1:21 pm-2:55 pm

Nonstop2h 34m

$233

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 5/23

5:01 pm-12:42 am

1 stop6h 41m

Chicago O'Hare Intl

Tue 5/26

9:45 am-11:19 am

Nonstop2h 34m

$240

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 5/21

3:23 pm-6:57 pm

Nonstop2h 34m

Chicago O'Hare Intl

Mon 5/25

9:45 am-11:19 am

Nonstop2h 34m

$251

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 6/19

6:48 am-3:05 pm

1 stop7h 17m

Chicago O'Hare Intl

Mon 6/22

5:57 pm-10:37 pm

1 stop5h 40m

$253

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 Chicago from

How to get the cheapest flight ticket from Rapid City to Chicago O'Hare Intl Airport

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 Rapid City and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rapid City averaging around $287.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Saturday when prices can be found for as low as $445. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Rapid City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $611.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Rapid City in the morning is the least expensive time of day to depart. momondo users have found prices as low as $453 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $475. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Rapid City to Chicago O'Hare Intl flight route?

Fly from Rapid City to Chicago O'Hare Intl for the best Rapid City - Chicago O'Hare Intl flight prices

Can stopping save me money on Rapid City to Chicago O'Hare Intl Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Rapid City to Chicago O'Hare Intl Airport flight.

When to book flights from Rapid City to Chicago O'Hare Intl Airport

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

Cheap Rapid City to Chicago O'Hare Intl Airport (RAP to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Chicago O'Hare Intl Airport

Best Price Found

$260

Fastest flight time

2h 23m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Rapid City in the past 72 hours is $260. The best round-trip flight deal from Rapid City to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $365.
The fastest flight from Rapid City to Chicago O'Hare Intl Airport takes 2h 23m
Direct flights go from Rapid City to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Rapid City to Chicago O'Hare Intl Airport

  • How far is Rapid City to Chicago O'Hare Intl by plane?

    Chicago O'Hare Intl is 785.8 mi away from Rapid City. Flights usually cover this in 2h 23m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Rapid City Airport to Chicago O'Hare Intl Airport were last updated today.

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

  • How old do you have to be to fly from Rapid City Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Rapid City to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Rapid City to Chicago O'Hare Intl Airport?

Best airlines flying from Rapid City to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Rapid City to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $187Free CancellationRating
7.1
11,677 reviews
Search American Airlines flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights

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

    United Airlines flies from Rapid City to Chicago O'Hare Intl Airport around 3 times per week, with 9,672 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Rapid City to Chicago O'Hare Intl Airport in the last 72 hours was $219 (round-trip), much lower than the average airfare cost of $354 for United Airlines flights on this route.

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

    The best American Airlines deal for Rapid City to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $187, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $239 round-trip. American Airlines operates 2 flights out of Rapid City into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 11,677 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
New Buffalo
Orland Park
Oak Brook
Kenosha
Joliet
Aurora
Janesville
Racine
Hammond
Tinley Park
Elgin
Evanston

Why use momondo?

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

It is quick and easy to find Rapid City to Chicago 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 Chicago that suits you.

Can I find flights from Rapid City to Chicago with flexible booking policies on momondo?

Flights from Rapid City to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rapid City to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Rapid City.

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

Price alerts on flights to Chicago from Rapid City 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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