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Cheap flights from Rapid City to Chicago from $125

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 8/20. 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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Cheap round-trip flights

American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
American Airlines Logo
4:17 pm - 5:42 pmORD-RAP
2h 25mnonstop
$191American Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
American Airlines Logo
11:08 am - 12:42 pmORD-RAP
2h 34mnonstop
$200American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
American Airlines Logo
4:21 pm - 5:42 pmORD-RAP
2h 21mnonstop
$201American Airlines
Find Deal
Fri, Aug 22 - Mon, Aug 25
United Airlines Logo
5:59 pm - 11:59 pmRAP-ORD
5h 00m1 stop
United Airlines Logo
8:53 am - 10:22 amORD-RAP
2h 29mnonstop
$219United Airlines
Find Deal
Sat, Aug 30 - Mon, Sep 1
American Airlines Logo
6:04 pm - 9:24 pmRAP-ORD
2h 20mnonstop
American Airlines Logo
10:49 am - 12:20 pmORD-RAP
2h 31mnonstop
$226American Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
United Airlines Logo
1:35 pm - 4:56 pmRAP-ORD
2h 21mnonstop
United Airlines Logo
5:00 am - 9:06 amORD-RAP
5h 06m1 stop
$236United Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
Logo
5:39 pm - 11:51 amRAP-ORD
17h 12m1 stop
Logo
7:09 pm - 4:49 pmORD-RAP
22h 40m2 stops
$287
Find Deal
Sun, Sep 7 - Wed, Sep 10
Logo
5:16 pm - 7:42 pmRAP-ORD
25h 26m3 stops
Logo
10:10 am - 4:46 pmORD-RAP
7h 36m1 stop
$295
Find Deal
Fri, Aug 22 - Mon, Aug 25
Delta Logo
6:27 am - 12:00 pmRAP-ORD
4h 33m1 stop
Delta Logo
9:10 am - 3:43 pmORD-RAP
7h 33m2 stops
$340Delta
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Wed, Sep 24 - Thu, Oct 2
Delta Logo
10:55 am - 8:23 pmRAP-ORD
8h 28m2 stops
Delta Logo
2:00 pm - 10:32 pmORD-RAP
9h 32m2 stops
$345Delta
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Thu, Sep 4 - Tue, Sep 9

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
Aug 30
RAP5:59 pmRapid City
5h 00m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 1
ORD8:53 amChicago O'Hare Intl
2h 29m
RAP10:22 amRapid City
$219
Find similar
United Airlines
Sep 12
RAP1:35 pmRapid City
2h 21m
ORD4:56 pmChicago O'Hare Intl
Sep 14
ORD5:00 amChicago O'Hare Intl
5h 06m
1 stop
RAP9:06 amRapid City
$236
Find similar
United Airlines
Aug 30
RAP1:35 pmRapid City
2h 21m
ORD4:56 pmChicago O'Hare Intl
Sep 1
ORD8:53 amChicago O'Hare Intl
2h 29m
RAP10:22 amRapid City
$239
Find similar

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

Our best American Airlines deals on Rapid City to Chicago O'Hare Intl Airport flight tickets
American Airlines
Sep 18
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
Sep 22
ORD4:17 pmChicago O'Hare Intl
2h 25m
RAP5:42 pmRapid City
$191
Find similar
American Airlines
Oct 2
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
Oct 5
ORD11:08 amChicago O'Hare Intl
2h 34m
RAP12:42 pmRapid City
$200
Find similar
American Airlines
Aug 22
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
Aug 25
ORD4:21 pmChicago O'Hare Intl
2h 21m
RAP5:42 pmRapid City
$201
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 July 31, 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

Thu 9/18

6:12 pm-9:30 pm

Nonstop2h 18m

Chicago O'Hare Intl

Mon 9/22

4:17 pm-5:42 pm

Nonstop2h 25m

$191

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 10/2

6:12 pm-9:30 pm

Nonstop2h 18m

Chicago O'Hare Intl

Sun 10/5

11:08 am-12:42 pm

Nonstop2h 34m

$200

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 8/22

6:12 pm-9:30 pm

Nonstop2h 18m

Chicago O'Hare Intl

Mon 8/25

4:21 pm-5:42 pm

Nonstop2h 21m

$201

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 8/30

5:59 pm-11:59 pm

1 stop5h 00m

Chicago O'Hare Intl

Mon 9/1

8:53 am-10:22 am

Nonstop2h 29m

$219

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 8/13

6:04 pm-9:24 pm

Nonstop2h 20m

Chicago O'Hare Intl

Sun 8/17

10:49 am-12:20 pm

Nonstop2h 31m

$226

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 9/12

1:35 pm-4:56 pm

Nonstop2h 21m

Chicago O'Hare Intl

Sun 9/14

5:00 am-9:06 am

1 stop5h 06m

$236

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sun 9/7

5:39 pm-11:51 am

1 stop17h 12m

Chicago O'Hare Intl

Wed 9/10

7:09 pm-4:49 pm

2 stops22h 40m

$287

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 8/22

5:16 pm-7:42 pm

3 stops25h 26m

Chicago O'Hare Intl

Mon 8/25

10:10 am-4:46 pm

1 stop7h 36m

$295

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Wed 9/24

6:27 am-12:00 pm

1 stop4h 33m

Chicago O'Hare Intl

Thu 10/2

9:10 am-3:43 pm

2 stops7h 33m

$340

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 9/4

10:55 am-8:23 pm

2 stops8h 28m

Chicago O'Hare Intl

Tue 9/9

2:00 pm-10:32 pm

2 stops9h 32m

$345

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 May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rapid City averaging around $279.

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 $439. 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 $641.

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 $387 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $502. 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.

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

$125

Fastest flight time

2h 15m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Rapid City in the past 72 hours is $125. The best round-trip flight deal from Rapid City to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $191.
The fastest flight from Rapid City to Chicago O'Hare Intl Airport takes 2h 15m
Direct flights go from Rapid City to Chicago O'Hare Intl Airport every day.
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 18m, 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
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $228Free CancellationRating
8.0
7,981 reviews
Search Delta 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 10 times per week, with 8,900 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 $210 (round-trip), much lower than the average airfare cost of $352 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 $189, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $252 round-trip. American Airlines operates 11 flights out of Rapid City into Chicago O'Hare Intl Airport 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 Chicago?

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