How long does it take to fly to Rapid City?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Rapid City you fly into. For example, flying from Chicago to Rapid City takes 3h 16m on average. On the other hand, flying from Peoria to Rapid City takes 5h 11m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Rapid City?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Rapid City from Illinois according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Rapid City. Keep in mind that there are 3 different airlines that fly to Rapid City on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Rapid City?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Illinois to Rapid City

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

Prices for flights from Illinois to Rapid City Airport are updated daily.

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

As of March 2026, there are 3 operators available to choose from for flights from Illinois to Rapid City Airport.

How old do you have to be to fly from Illinois to Rapid City 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 Illinois to Rapid City Airport.

What documentation or ID do you need to fly to Rapid City Airport?

The travel and health documents required for your trip to Rapid City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rapid City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$117 Cheap Flights from Illinois to Rapid City in 2026

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Find the cheapest flights from Illinois to Rapid City

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 am - 11:23 am

ORD

RAP

2h 38mnonstop

11:53 am - 3:20 pm

RAP

ORD

2h 27mnonstop

$208American Airlines

Thu, Apr 16 - Thu, Apr 23

9:06 am - 10:36 am

ORD

RAP

2h 30mnonstop

9:20 am - 12:45 pm

RAP

ORD

2h 25mnonstop

$209United Airlines

Thu, Apr 16 - Mon, Apr 20

9:45 am - 11:23 am

ORD

RAP

2h 38mnonstop

4:57 pm - 11:48 pm

RAP

ORD

5h 51m

1 stop

$218American Airlines

Thu, Apr 16 - Thu, Apr 23

9:06 am - 10:36 am

ORD

RAP

2h 30mnonstop

4:15 pm - 11:28 pm

RAP

ORD

6h 13m

1 stop

$219United Airlines

Thu, Apr 16 - Mon, Apr 20

4:20 pm - 5:40 pm

ORD

RAP

2h 20mnonstop

1:00 pm - 4:19 pm

RAP

ORD

2h 19mnonstop

$229American Airlines

Sat, Aug 29 - Sat, Sep 5

1:36 pm - 10:20 pm

ORD

RAP

9h 44m

2 stops

3:55 pm - 9:38 pm

RAP

ORD

4h 43m

1 stop

$234Delta

Thu, Apr 16 - Mon, Apr 20

9:00 am - 10:30 am

ORD

RAP

2h 30mnonstop

12:00 pm - 8:14 pm

RAP

ORD

7h 14m

1 stop

$239United Airlines

Thu, Apr 2 - Wed, Apr 8

4:20 pm - 5:40 pm

ORD

RAP

2h 20mnonstop

6:10 pm - 9:29 pm

RAP

ORD

2h 19mnonstop

$248American Airlines

Wed, Aug 5 - Mon, Aug 10

3:59 pm - 10:25 pm

ORD

RAP

7h 26m

1 stop

11:03 am - 6:02 pm

RAP

ORD

5h 59m

1 stop

$249Delta

Fri, Apr 3 - Sun, Apr 5

7:20 pm - 10:25 pm

MDW

RAP

4h 05m

1 stop

11:03 am - 6:40 pm

RAP

MDW

6h 37m

1 stop

$249Delta

Tue, Apr 7 - Sat, Apr 11

American Airlines flights from Illinois to Rapid City

Our best American Airlines deals on Illinois to Rapid City flight tickets

American Airlines

Apr 16

ORD9:45 amChicago O'Hare Intl

2h 38m

RAP11:23 amRapid City

Apr 23

RAP11:53 amRapid City

2h 27m

ORD3:20 pmChicago O'Hare Intl

$208

American Airlines

Apr 16

ORD9:45 amChicago O'Hare Intl

2h 38m

RAP11:23 amRapid City

Apr 23

RAP4:57 pmRapid City

5h 51m

1 stop

ORD11:48 pmChicago O'Hare Intl

$218

American Airlines

Aug 29

ORD4:20 pmChicago O'Hare Intl

2h 20m

RAP5:40 pmRapid City

Sep 5

RAP1:00 pmRapid City

2h 19m

ORD4:19 pmChicago O'Hare Intl

$229

United Airlines flights from Illinois to Rapid City

Our best United Airlines deals on Illinois to Rapid City flight tickets

United Airlines

Apr 16

ORD9:06 amChicago O'Hare Intl

2h 30m

RAP10:36 amRapid City

Apr 20

RAP9:20 amRapid City

2h 25m

ORD12:45 pmChicago O'Hare Intl

$209

United Airlines

Apr 16

ORD9:06 amChicago O'Hare Intl

2h 30m

RAP10:36 amRapid City

Apr 20

RAP4:15 pmRapid City

6h 13m

1 stop

ORD11:28 pmChicago O'Hare Intl

$219

United Airlines

Apr 2

ORD9:00 amChicago O'Hare Intl

2h 30m

RAP10:30 amRapid City

Apr 8

RAP12:00 pmRapid City

7h 14m

1 stop

ORD8:14 pmChicago O'Hare Intl

$239

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 4/16

9:45 am-11:23 am

Nonstop2h 38m

Rapid City

Thu 4/23

11:53 am-3:20 pm

Nonstop2h 27m

$208

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 4/16

9:06 am-10:36 am

Nonstop2h 30m

Rapid City

Mon 4/20

9:20 am-12:45 pm

Nonstop2h 25m

$209

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 4/16

9:45 am-11:23 am

Nonstop2h 38m

Rapid City

Thu 4/23

4:57 pm-11:48 pm

1 stop5h 51m

$218

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 4/16

9:06 am-10:36 am

Nonstop2h 30m

Rapid City

Mon 4/20

4:15 pm-11:28 pm

1 stop6h 13m

$219

Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/29

4:20 pm-5:40 pm

Nonstop2h 20m

Rapid City

Sat 9/5

1:00 pm-4:19 pm

Nonstop2h 19m

$229

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 4/16

1:36 pm-10:20 pm

2 stops9h 44m

Rapid City

Mon 4/20

3:55 pm-9:38 pm

1 stop4h 43m

$234

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 4/2

9:00 am-10:30 am

Nonstop2h 30m

Rapid City

Wed 4/8

12:00 pm-8:14 pm

1 stop7h 14m

$239

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 8/5

4:20 pm-5:40 pm

Nonstop2h 20m

Rapid City

Mon 8/10

6:10 pm-9:29 pm

Nonstop2h 19m

$248

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Fri 4/3

3:59 pm-10:25 pm

1 stop7h 26m

Rapid City

Sun 4/5

11:03 am-6:02 pm

1 stop5h 59m

$249

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Tue 4/7

7:20 pm-10:25 pm

1 stop4h 05m

Rapid City

Sat 4/11

11:03 am-6:40 pm

1 stop6h 37m

$249

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois 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

Prices

Airlines

Other information

What is the cheapest month to fly to Rapid City?

The month of September is, on average, the cheapest month to fly to Rapid City from Illinois, with most prices found around $285. If you aren’t able to travel to Rapid City during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $295.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Wednesday is the cheapest day to fly to Rapid City from Illinois. The lowest ticket price found for a Wednesday departure recently was $309. 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 Monday, with ticket prices averaging around $431.

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 at noon. Flights from Illinois to Rapid City during this time can be as low as $209. Flights in the evening are often more expensive with an average ticket price of $356.

What is the cheapest Illinois to Rapid City flight route?

Fly from Chicago O'Hare Intl to Rapid City for the best Illinois - 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $328 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from Illinois for as low as $243 on momondo.

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

There are 3 cabin classes available to choose from on Illinois 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 Illinois to Rapid City flights?

No. A direct flight is the cheapest option for a flight between Illinois to Rapid City.

Cheap Illinois to Rapid City flight deals and tips

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

Best Price Found	$287
Fastest flight time	2h 28m
Direct flights	Every day
Airports in Rapid City	1 airport

The best flight deal from Illinois to Rapid City found on momondo in the last 72 hours is $287

The fastest flight from Illinois to Rapid City takes 2h 28m

Direct flights go from Illinois to Rapid City every day.

There is 1 airport in Rapid City. From Illinois there are direct flights to Rapid City (RAP).

Search flight deals

When did momondo last update prices for flights from Illinois to Rapid City Airport?
Prices for flights from Illinois to Rapid City Airport are updated daily.
How many operators does momondo search for flights from Illinois to Rapid City Airport?
As of March 2026, there are 3 operators available to choose from for flights from Illinois to Rapid City Airport.
How old do you have to be to fly from Illinois to Rapid City 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 Illinois to Rapid City Airport.
What documentation or ID do you need to fly to Rapid City Airport?
The travel and health documents required for your trip to Rapid City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rapid City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Rapid City?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Rapid City is Embraer 175 (Enhanced Winglets), representing 35.11% of all bookings. The subsequent popular models are Embraer 175 at 30.53%, Embraer 170 at 18.32%, and Boeing 737-800 at 6.11%.

Best airlines flying from Illinois to Rapid City

Compare and see reviews for airlines that fly from Illinois to Rapid City with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $208	Free Cancellation	Rating 7.4 9,404 reviews	Search United Airlines flights
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.1 11,398 reviews	Search American Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,271 reviews	Search Delta flights

Deadwood

Keystone

Sturgis

Spearfish

Custer

Hill City

Wall

Hot Springs

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rapid City from Illinois.

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

All flight searches from Illinois to Rapid City on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Illinois to Rapid City 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 Illinois to Rapid City right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Rapid City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Rapid City trip

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Cheap flights from Illinois to Rapid City from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Rapid City departing on 4/29. 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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American Airlines flights from Illinois to Rapid City

Our best American Airlines deals on Illinois to Rapid City flight tickets

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How to get the cheapest flight ticket from Illinois to Rapid City

What is the cheapest month to fly to Rapid City?

What is the cheapest day to depart on your flight to Rapid City?

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

What is the cheapest Illinois to Rapid City flight route?

How far in advance should I book a flight to Rapid City?

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

Can stopping save me money on Illinois to Rapid City flights?

What is the cheapest airline that flies from Illinois to Rapid City?

What airlines fly to Rapid City?

How long does it take to fly to Rapid City?

Cheap Illinois to Rapid City flight deals and tips

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

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Best airlines flying from Illinois to Rapid City

Compare and see reviews for airlines that fly from Illinois to Rapid City with momondo

Traveling to a place near Rapid City?

Why use momondo?

An easier way to manage your Rapid City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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Find better results for your trip to the United States

Airports servicing South Dakota

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Rapid City

List of cabin classes available on flights landing in Rapid City. Availability may vary depending on flight origin and airline.

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