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Cheap flights from Rapid City to Chicago from $109

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 9/25. 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 (RAP-CHI)

Cheap round-trip flights

United Airlines Logo
1:44 pm - 5:05 pmRAP-ORD
2h 21mnonstop
United Airlines Logo
8:45 am - 10:13 amORD-RAP
2h 28mnonstop
$209United Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
United Airlines Logo
1:44 pm - 5:05 pmRAP-ORD
2h 21mnonstop
United Airlines Logo
5:01 am - 9:10 amORD-RAP
5h 09m1 stop
$219United Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
United Airlines Logo
5:50 pm - 11:59 pmRAP-ORD
5h 09m1 stop
United Airlines Logo
5:01 am - 9:10 amORD-RAP
5h 09m1 stop
$229United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 8
United Airlines Logo
4:35 pm - 11:59 pmRAP-ORD
6h 24m1 stop
United Airlines Logo
5:01 am - 9:10 amORD-RAP
5h 09m1 stop
$248United Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
American Airlines Logo
5:00 am - 11:22 amORD-RAP
7h 22m1 stop
$250American Airlines
Find Deal
Thu, Sep 25 - Sun, Sep 28
Delta Logo
10:33 am - 4:50 pmRAP-ORD
5h 17m1 stop
Delta Logo
8:57 am - 1:45 pmORD-RAP
5h 48m1 stop
$294Delta
Find Deal
Tue, Oct 21 - Sat, Oct 25
Logo
5:39 pm - 9:32 pmRAP-ORD
26h 53m1 stop
Logo
9:54 pm - 11:22 amORD-RAP
38h 28m2 stops
$304
Find Deal
Thu, Sep 4 - Mon, Sep 8
Delta Logo
4:34 pm - 7:50 amRAP-ORD
14h 16m2 stops
Delta Logo
8:57 am - 1:45 pmORD-RAP
5h 48m1 stop
$311Delta
Find Deal
Tue, Oct 21 - Sat, Oct 25
American Airlines Logo
6:12 pm - 9:30 pmRAP-ORD
2h 18mnonstop
American Airlines Logo
4:17 pm - 5:42 pmORD-RAP
2h 25mnonstop
$380American Airlines
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Sun, Sep 7 - Mon, Sep 15
Logo
5:39 pm - 8:52 pmRAP-MDW
26h 13m1 stop
Logo
1:53 pm - 12:12 pmMDW-RAP
23h 19m1 stop
$503
Find Deal
Thu, Sep 25 - Sun, Sep 28

United Airlines flights from Rapid City to Chicago

Our best United Airlines deals on Rapid City to Chicago flight tickets
United Airlines
Oct 3
RAP1:44 pmRapid City
2h 21m
ORD5:05 pmChicago O'Hare Intl
Oct 5
ORD8:45 amChicago O'Hare Intl
2h 28m
RAP10:13 amRapid City
$209
Find similar
United Airlines
Oct 3
RAP1:44 pmRapid City
2h 21m
ORD5:05 pmChicago O'Hare Intl
Oct 5
ORD5:01 amChicago O'Hare Intl
5h 09m
1 stop
RAP9:10 amRapid City
$219
Find similar
United Airlines
Sep 27
RAP5:50 pmRapid City
5h 09m
1 stop
ORD11:59 pmChicago O'Hare Intl
Oct 8
ORD5:01 amChicago O'Hare Intl
5h 09m
1 stop
RAP9:10 amRapid City
$229
Find similar

American Airlines flights from Rapid City to Chicago

Our best American Airlines deals on Rapid City to Chicago flight tickets
American Airlines
Sep 25
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
Sep 28
ORD5:00 amChicago O'Hare Intl
7h 22m
1 stop
RAP11:22 amRapid City
$250
Find similar
American Airlines
Sep 7
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
Sep 15
ORD4:17 pmChicago O'Hare Intl
2h 25m
RAP5:42 pmRapid City
$380
Find similar
American Airlines
Sep 7
RAP6:12 pmRapid City
2h 18m
ORD9:30 pmChicago O'Hare Intl
Sep 15
ORD4:12 pmChicago O'Hare Intl
5h 41m
1 stop
RAP8:53 pmRapid City
$390
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Chicago 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 25, 2025.
Use the filters below to find and compare flights from Rapid City to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 10/3

1:44 pm-5:05 pm

Nonstop2h 21m

Chicago O'Hare Intl

Sun 10/5

8:45 am-10:13 am

Nonstop2h 28m

$209

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 10/3

1:44 pm-5:05 pm

Nonstop2h 21m

Chicago O'Hare Intl

Sun 10/5

5:01 am-9:10 am

1 stop5h 09m

$219

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sat 9/27

5:50 pm-11:59 pm

1 stop5h 09m

Chicago O'Hare Intl

Wed 10/8

5:01 am-9:10 am

1 stop5h 09m

$229

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Fri 10/3

4:35 pm-11:59 pm

1 stop6h 24m

Chicago O'Hare Intl

Sun 10/5

5:01 am-9:10 am

1 stop5h 09m

$248

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 9/25

6:12 pm-9:30 pm

Nonstop2h 18m

Chicago O'Hare Intl

Sun 9/28

5:00 am-11:22 am

1 stop7h 22m

$250

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Tue 10/21

10:33 am-4:50 pm

1 stop5h 17m

Chicago O'Hare Intl

Sat 10/25

8:57 am-1:45 pm

1 stop5h 48m

$294

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Thu 9/4

5:39 pm-9:32 pm

1 stop26h 53m

Chicago O'Hare Intl

Mon 9/8

9:54 pm-11:22 am

2 stops38h 28m

$304

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Tue 10/21

4:34 pm-7:50 am

2 stops14h 16m

Chicago O'Hare Intl

Sat 10/25

8:57 am-1:45 pm

1 stop5h 48m

$311

Rapid CityChicago

RAP - ORD

RAPORD

Rapid City

Sun 9/7

6:12 pm-9:30 pm

Nonstop2h 18m

Chicago O'Hare Intl

Mon 9/15

4:17 pm-5:42 pm

Nonstop2h 25m

$380

Rapid CityChicago

RAP - MDW

RAPMDW

Rapid City

Thu 9/25

5:39 pm-8:52 pm

1 stop26h 13m

Chicago Midway

Sun 9/28

1:53 pm-12:12 pm

1 stop23h 19m

$503

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

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?

The month of September is, on average, the cheapest month to fly to Chicago from Rapid City, with most prices found around $302. If you’re not able to fly to Chicago in September, then August is your next best option. Flight prices from Rapid City to Chicago during August average around $309.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago 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. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Rapid City to Chicago for around $625.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Rapid City to Chicago during this time can be as low as $384. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $496.

What is the cheapest Rapid City to Chicago flight route?

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

What cabin class options are available on Rapid City to Chicago flights?

There are 4 cabin classes available to choose from on Rapid City to Chicago 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

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

Cheap Rapid City to Chicago (RAP to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Chicago

Best Price Found

$225

Fastest flight time

2h 18m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Rapid City in the past 72 hours is $225. The best round-trip flight deal from Rapid City to Chicago found on momondo in the last 72 hours is $351.
The fastest flight from Rapid City to Chicago takes 2h 18m
Direct flights go from Rapid City to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
Search flight deals

  • How far is Rapid City to Chicago by plane?

    The straight-line distance from Rapid City to Chicago is 801.5 mi. 2h 18m is a normal flight duration for this route.

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

    Prices for flights from Rapid City Airport to Chicago are refreshed on a daily basis.

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

  • How old do you have to be to fly from Rapid City Airport to Chicago?

    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 Rapid City Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Rapid City to Chicago?

  • What is the most popular airline from Rapid City to Chicago?

Best airlines flying from Rapid City to Chicago

Compare and see reviews for airlines that fly from Rapid City to Chicago 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
8,940 reviews
Search United Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,981 reviews
Search Delta flights

  • United Airlines Flights From Rapid City to Chicago

    United Airlines operates around 7 flights from Rapid City to Chicago every week. The average price of these flights found in the last 72 hours has been $350, but momondo users have found United Airlines deals from Rapid City to Chicago from as low as $210 round-trip. United Airlines has been scored 7.4/10 in 8,940 reviews.

  • American Airlines Flights From Rapid City to Chicago

    American Airlines is also a popular choice for this route. American Airlines flight deals for Rapid City to Chicago start from as low as $189 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $219. American Airlines operates 11 flights to Chicago from Rapid City in an average week. Users have rated it 7.2/10 across 10,000 reviews.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to Chicago for you.

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

Yes. momondo enables you to select and highlight flights to Chicago from Rapid City with this policy.

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

Once all potential Rapid City to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Chicago from Rapid City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport