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 17m on average. On the other hand, flying from Moline to Rapid City takes 4h 54m 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.

How many flights depart from Illinois to Rapid City on average per week?

As of June 2026, there are 56 flights per week flying from Illinois to Rapid City. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

How many flights depart from Illinois to Rapid City on average per day?

8 flights are operational daily from Illinois to Rapid City as of June 2026. The most popular departure time for this route is 8:00AM, with 50% of flights per day taking off at noon.

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 June 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.

$152 Cheap Flights from Illinois to Rapid City in 2026

Discover deals from 900+ travel sites with momondo.

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.

1:20 pm - 2:50 pm

ORD

RAP

2h 30mnonstop

12:20 pm - 3:49 pm

RAP

ORD

2h 29mnonstop

$251American Airlines

Wed, Aug 19 - Wed, Aug 26

8:58 am - 10:26 am

ORD

RAP

2h 28mnonstop

1:31 pm - 4:55 pm

RAP

ORD

2h 24mnonstop

$260United Airlines

Sat, Aug 15 - Fri, Aug 21

7:00 am - 12:24 pm

ORD

RAP

6h 24m

1 stop

1:31 pm - 4:55 pm

RAP

ORD

2h 24mnonstop

$261United Airlines

Wed, Aug 19 - Wed, Aug 26

9:40 am - 11:14 am

ORD

RAP

2h 34mnonstop

3:25 pm - 6:59 pm

RAP

ORD

2h 34mnonstop

$269American Airlines

Thu, Jul 9 - Thu, Jul 16

7:25 pm - 10:37 pm

MDW

RAP

4h 12m

1 stop

6:48 am - 1:10 pm

RAP

MDW

5h 22m

1 stop

$271Delta

Wed, Aug 12 - Wed, Aug 19

6:45 pm - 10:37 pm

ORD

RAP

4h 52m

1 stop

2:32 pm - 9:47 pm

RAP

ORD

6h 15m

1 stop

$271Delta

Wed, Aug 19 - Wed, Aug 26

8:44 am - 4:35 pm

MLI

RAP

8h 51m

1 stop

12:05 pm - 1:03 pm

RAP

MLI

23h 58m

1 stop

$342Allegiant Air

Sat, Aug 8 - Sat, Aug 15

4:09 pm - 8:50 am

STL

RAP

17h 41m

1 stop

9:50 pm - 6:15 pm

RAP

STL

19h 25m

1 stop

$342Multiple Airlines

Tue, Jul 14 - Thu, Jul 16

6:34 pm - 11:15 am

STL

RAP

41h 41m

2 stops

9:50 pm - 6:15 pm

RAP

STL

19h 25m

1 stop

$352Multiple Airlines

Thu, Jul 16 - Thu, Jul 23

7:42 pm - 2:49 pm

PIA

RAP

20h 07m

1 stop

9:58 pm - 1:30 pm

RAP

PIA

14h 32m

1 stop

$431Allegiant Air

Fri, Jul 17 - Mon, Jul 20

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Delta flights from Illinois to Rapid City

Our best Delta deals on Illinois to Rapid City flight tickets

Delta

Aug 12

MDW7:25 pmChicago Midway

4h 12m

1 stop

RAP10:37 pmRapid City

Aug 19

RAP6:48 amRapid City

5h 22m

1 stop

MDW1:10 pmChicago Midway

$271

Delta

Oct 23

MDW12:30 pmChicago Midway

4h 16m

1 stop

RAP3:46 pmRapid City

Oct 24

RAP11:30 amRapid City

4h 20m

1 stop

MDW4:50 pmChicago Midway

$280

Delta

Aug 12

MDW7:25 pmChicago Midway

4h 12m

1 stop

RAP10:37 pmRapid City

Aug 16

RAP6:48 amRapid City

5h 22m

1 stop

MDW1:10 pmChicago Midway

$300

Allegiant Air flights from Illinois to Rapid City

Our best Allegiant Air deals on Illinois to Rapid City flight tickets

Allegiant Air

Aug 8

MLI8:44 amMoline Quad-City

8h 51m

1 stop

RAP4:35 pmRapid City

Aug 15

RAP12:05 pmRapid City

23h 58m

1 stop

MLI1:03 pmMoline Quad-City

$342

Allegiant Air

Jul 17

PIA7:42 pmGreater Peoria

20h 07m

1 stop

RAP2:49 pmRapid City

Jul 20

RAP9:58 pmRapid City

14h 32m

1 stop

PIA1:30 pmGreater Peoria

$431

Allegiant Air

Aug 8

MLI8:44 amMoline Quad-City

37h 32m

2 stops

RAP9:16 pmRapid City

Aug 15

RAP12:05 pmRapid City

23h 58m

1 stop

MLI1:03 pmMoline Quad-City

$469

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 8/19

1:20 pm-2:50 pm

Nonstop2h 30m

Rapid City

Wed 8/26

12:20 pm-3:49 pm

Nonstop2h 29m

$251

Quickest round-trip

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Sat 8/15

8:58 am-10:26 am

Nonstop2h 28m

Rapid City

Fri 8/21

1:31 pm-4:55 pm

Nonstop2h 24m

$260

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 8/19

7:00 am-12:24 pm

1 stop6h 24m

Rapid City

Wed 8/26

1:31 pm-4:55 pm

Nonstop2h 24m

$261

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Thu 7/9

9:40 am-11:14 am

Nonstop2h 34m

Rapid City

Thu 7/16

3:25 pm-6:59 pm

Nonstop2h 34m

$269

ChicagoRapid City

MDW - RAP

MDWRAP

Chicago Midway

Wed 8/12

7:25 pm-10:37 pm

1 stop4h 12m

Rapid City

Wed 8/19

6:48 am-1:10 pm

1 stop5h 22m

$271

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 8/19

6:45 pm-10:37 pm

1 stop4h 52m

Rapid City

Wed 8/26

2:32 pm-9:47 pm

1 stop6h 15m

$271

MolineRapid City

MLI - RAP

MLIRAP

Moline Quad-City

Sat 8/8

8:44 am-4:35 pm

1 stop8h 51m

Rapid City

Sat 8/15

12:05 pm-1:03 pm

1 stop23h 58m

$342

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 7/14

4:09 pm-8:50 am

1 stop17h 41m

Rapid City

Thu 7/16

9:50 pm-6:15 pm

1 stop19h 25m

$342

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 7/16

6:34 pm-11:15 am

2 stops41h 41m

Rapid City

Thu 7/23

9:50 pm-6:15 pm

1 stop19h 25m

$352

PeoriaRapid City

PIA - RAP

PIARAP

Greater Peoria

Fri 7/17

7:42 pm-2:49 pm

1 stop20h 07m

Rapid City

Mon 7/20

9:58 pm-1:30 pm

1 stop14h 32m

$431

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 May is, on average, the cheapest month to fly to Rapid City from Illinois, with most prices found around $168. If you aren’t able to travel to Rapid City during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $191.

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

According to our data, Thursday is the cheapest day to fly to Rapid City from Illinois. The lowest ticket price found for a Thursday departure recently was $308. 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 $456.

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 in the afternoon. Flights from Illinois to Rapid City during this time can be as low as $276. Flights at noon are often more expensive with an average ticket price of $371.

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 from Illinois 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 $336 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 $249 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?

You could potentially save up to 1% on your flight if you consider stops on a Illinois to Rapid City flight.

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	$238
Fastest flight time	2h 28m
Direct flights	Every day
Airports in Rapid City	1 airport

The best one-way flight to Rapid City from Illinois in the past 72 hours is $238. The best round-trip flight deal from Illinois to Rapid City found on momondo in the last 72 hours is $326.

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

Frequently asked questions about flying 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 June 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, representing 27.95% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 26.75%, Embraer 170 at 22.41%, and Airbus A320-100/200 at 19.52%.

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 9,830 reviews		Search United Airlines flights
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.1 11,660 reviews		Search American Airlines flights

Deadwood

Keystone

Sturgis

Custer

Spearfish

Wall

Hot Springs

Hill City

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.

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Cheap flights from Illinois to Rapid City from $152

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 8/6. 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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Delta flights from Illinois to Rapid City

Our best Delta deals on Illinois to Rapid City flight tickets

Allegiant Air flights from Illinois to Rapid City

Our best Allegiant Air 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 from Illinois 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?

How many flights depart from Illinois to Rapid City on average per day?

How many flights depart from Illinois to Rapid City on average per week?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Rapid City

Frequently asked questions about flying from Illinois to Rapid City

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

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing South Dakota

Fly your favorite airline to Rapid City

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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