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Cheap flights from Rapid City to Chicago 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 Rapid City to Chicago departing on 1/15. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:10 pm - 9:43 pm
RAP
-
ORD
4h 33m1 stop
Delta Logo
6:45 pm - 10:28 pm
ORD
-
RAP
4h 43m1 stop
$229Delta
Fri, Jan 16 - Sat, Jan 24
Delta Logo
4:10 pm - 9:43 pm
RAP
-
ORD
4h 33m1 stop
Delta Logo
1:58 pm - 10:28 pm
ORD
-
RAP
9h 30m2 stops
$234Delta
Tue, Jan 20 - Tue, Jan 27
United Airlines Logo
2:40 pm - 9:15 pm
RAP
-
ORD
5h 35m1 stop
United Airlines Logo
8:45 am - 1:12 pm
ORD
-
RAP
5h 27m1 stop
$299United Airlines
Fri, Jan 9 - Tue, Jan 13
Delta Logo
10:54 am - 9:05 pm
RAP
-
ORD
9h 11m2 stops
Delta Logo
6:15 am - 10:13 am
ORD
-
RAP
4h 58m1 stop
$329Delta
Fri, Jan 16 - Sat, Jan 24
Delta Logo
6:00 am - 4:57 pm
RAP
-
ORD
9h 57m2 stops
Delta Logo
1:58 pm - 10:28 pm
ORD
-
RAP
9h 30m2 stops
$334Delta
Tue, Jan 20 - Tue, Jan 27
United Airlines Logo
5:40 pm - 11:59 pm
RAP
-
ORD
5h 19m1 stop
United Airlines Logo
7:10 am - 1:13 pm
ORD
-
RAP
7h 03m1 stop
$335United Airlines
Fri, Feb 27 - Sun, Mar 1
Delta Logo
10:54 am - 9:05 pm
RAP
-
ORD
9h 11m2 stops
Delta Logo
6:45 pm - 10:28 pm
ORD
-
RAP
4h 43m1 stop
$369Delta
Fri, Jan 16 - Sat, Jan 24
Delta Logo
6:00 am - 11:47 am
RAP
-
ORD
4h 47m1 stop
Delta Logo
6:15 am - 10:11 am
ORD
-
RAP
4h 56m1 stop
$371Delta
Sun, Feb 1 - Fri, Feb 6
Delta Logo
10:54 am - 9:05 pm
RAP
-
ORD
9h 11m2 stops
Delta Logo
6:15 am - 10:11 am
ORD
-
RAP
4h 56m1 stop
$376Delta
Sun, Feb 1 - Fri, Feb 6
Delta Logo
10:54 am - 9:05 pm
RAP
-
ORD
9h 11m2 stops
Delta Logo
6:50 am - 3:25 pm
ORD
-
RAP
9h 35m2 stops
$381Delta
Sun, Feb 1 - Fri, Feb 6

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
Jan 9
RAP2:40 pmRapid City
5h 35m
1 stop
ORD9:15 pmChicago O'Hare Intl
Jan 13
ORD8:45 amChicago O'Hare Intl
5h 27m
1 stop
RAP1:12 pmRapid City
$299
Find similar
United Airlines
Feb 27
RAP5:40 pmRapid City
5h 19m
1 stop
ORD11:59 pmChicago O'Hare Intl
Mar 1
ORD7:10 amChicago O'Hare Intl
7h 03m
1 stop
RAP1:13 pmRapid City
$335
Find similar
United Airlines
Feb 27
RAP2:52 pmRapid City
7h 00m
1 stop
ORD10:52 pmChicago O'Hare Intl
Mar 1
ORD10:50 amChicago O'Hare Intl
10h 54m
2 stops
RAP8:44 pmRapid City
$454
Find similar

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
Jan 16
RAP4:10 pmRapid City
4h 33m
1 stop
ORD9:43 pmChicago O'Hare Intl
Jan 24
ORD6:45 pmChicago O'Hare Intl
4h 43m
1 stop
RAP10:28 pmRapid City
$229
Find similar
Delta
Jan 20
RAP4:10 pmRapid City
4h 33m
1 stop
ORD9:43 pmChicago O'Hare Intl
Jan 27
ORD1:58 pmChicago O'Hare Intl
9h 30m
2 stops
RAP10:28 pmRapid City
$234
Find similar
Delta
Jan 16
RAP10:54 amRapid City
9h 11m
2 stops
ORD9:05 pmChicago O'Hare Intl
Jan 24
ORD6:15 amChicago O'Hare Intl
4h 58m
1 stop
RAP10:13 amRapid City
$329
Find similar

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 December 15, 2025.
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

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 1/16

4:10 pm-9:43 pm

1 stop4h 33m

Chicago O'Hare Intl

Sat 1/24

6:45 pm-10:28 pm

1 stop4h 43m

$229

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Tue 1/20

4:10 pm-9:43 pm

1 stop4h 33m

Chicago O'Hare Intl

Tue 1/27

1:58 pm-10:28 pm

2 stops9h 30m

$234

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 1/9

2:40 pm-9:15 pm

1 stop5h 35m

Chicago O'Hare Intl

Tue 1/13

8:45 am-1:12 pm

1 stop5h 27m

$299

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 1/16

10:54 am-9:05 pm

2 stops9h 11m

Chicago O'Hare Intl

Sat 1/24

6:15 am-10:13 am

1 stop4h 58m

$329

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Tue 1/20

6:00 am-4:57 pm

2 stops9h 57m

Chicago O'Hare Intl

Tue 1/27

1:58 pm-10:28 pm

2 stops9h 30m

$334

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 2/27

5:40 pm-11:59 pm

1 stop5h 19m

Chicago O'Hare Intl

Sun 3/1

7:10 am-1:13 pm

1 stop7h 03m

$335

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 1/16

10:54 am-9:05 pm

2 stops9h 11m

Chicago O'Hare Intl

Sat 1/24

6:45 pm-10:28 pm

1 stop4h 43m

$369

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sun 2/1

6:00 am-11:47 am

1 stop4h 47m

Chicago O'Hare Intl

Fri 2/6

6:15 am-10:11 am

1 stop4h 56m

$371

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sun 2/1

10:54 am-9:05 pm

2 stops9h 11m

Chicago O'Hare Intl

Fri 2/6

6:15 am-10:11 am

1 stop4h 56m

$376

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sun 2/1

10:54 am-9:05 pm

2 stops9h 11m

Chicago O'Hare Intl

Fri 2/6

6:50 am-3:25 pm

2 stops9h 35m

$381

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 cheapest month to fly to Chicago O'Hare Intl Airport?

The month of December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rapid City averaging around $228.

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 Tuesday when prices can be found for as low as $441. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $407 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $496. 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

What cabin class options are available on Rapid City to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Rapid City to Chicago O'Hare Intl 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 Rapid City to Chicago O'Hare Intl Airport flights?

You could potentially save up to 40% 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

$255

Fastest flight time

2h 36m

Direct flights

Tue, Thu, Fri, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Rapid City in the past 72 hours is $255. The best round-trip flight deal from Rapid City to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $379.
The fastest flight from Rapid City to Chicago O'Hare Intl Airport takes 2h 36m
Direct flights go from Rapid City to Chicago O'Hare Intl Airport on Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • 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 36m, 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 $189Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,008 reviews
Search Delta flights

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
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Aurora
Elgin
Benton Harbor

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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