Cheap flights from Chicago 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 Chicago to Rapid City departing on 11/4. 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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Fly from
Fly to
Route
Depart
Return
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sat 1/16
3:43 pm-10:34 pm
1 stop7h 51m
Rapid City
Tue 1/19
6:00 am-9:39 am
Nonstop2h 39m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sat 11/7
8:40 am-10:31 am
Nonstop2h 51m
Rapid City
Mon 11/9
4:00 pm-11:59 pm
1 stop6h 59m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sat 11/7
8:40 am-10:31 am
Nonstop2h 51m
Rapid City
Mon 11/9
12:39 pm-9:30 pm
1 stop7h 51m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Fri 10/30
8:40 am-10:31 am
Nonstop2h 51m
Rapid City
Wed 11/4
5:50 pm-11:59 pm
1 stop5h 09m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Wed 11/4
6:59 am-12:39 pm
1 stop6h 40m
Rapid City
Sat 11/14
6:11 am-2:12 pm
1 stop7h 01m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sat 1/16
5:00 am-12:37 pm
1 stop8h 37m
Rapid City
Tue 1/19
1:07 pm-7:59 pm
1 stop5h 52m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Wed 1/13
12:15 pm-3:46 pm
1 stop4h 31m
Rapid City
Sat 1/16
11:30 am-4:49 pm
1 stop4h 19m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sat 11/7
3:52 pm-9:27 pm
1 stop6h 35m
Rapid City
Mon 11/9
1:09 pm-10:30 pm
1 stop8h 21m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sat 11/7
9:59 am-3:58 pm
1 stop6h 59m
Rapid City
Mon 11/9
4:36 pm-9:33 pm
1 stop3h 57m
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Wed 1/13
6:00 am-11:12 am
1 stop6h 12m
Rapid City
Sun 1/17
4:00 pm-9:37 pm
1 stop4h 37m
See travel insights to Rapid City from
How to get the cheapest flight ticket from Chicago 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
What is the typical price of a round-trip flight between Chicago and Rapid City?
Prices are currently low for flights on this route.
Typical prices usually range from $405 to $515.The lowest price recently found on this route was $311.
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 Chicago, with most prices found around $316. If you aren’t able to travel to Rapid City during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $318.
What is the cheapest day to depart on your flight to Rapid City?
According to our data, Saturday is the cheapest day to fly to Rapid City from Chicago. The lowest ticket price found for a Saturday departure recently was $315. 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 $459.
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 Chicago to Rapid City during this time can be as low as $299. Flights in the morning are often more expensive with an average ticket price of $383.
What is the cheapest Chicago to Rapid City flight route?
Fly from Chicago O'Hare Intl to Rapid City for the best Chicago - Rapid City flight prices
How far in advance should I book a flight from Chicago to Rapid City?
You are more likely to see cheaper flights to Rapid City from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from Chicago for as low as $249 on momondo.
What cabin class options are available on Chicago to Rapid City flights?
There are 2 cabin classes available to choose from on Chicago to Rapid City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Chicago to Rapid City on average per day?
3 flights are operational daily from Chicago to Rapid City as of October 2026. The most popular departure time for this route is 8:00AM, with 88% of flights per day taking off at noon.
How many flights depart from Chicago to Rapid City on average per week?
21 flights are operational weekly from Chicago to Rapid City as of October 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
When to book flights from Chicago to Rapid City
Cheap Chicago to Rapid City (CHI to RAP) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Rapid City
Frequently asked questions about flying from Chicago to Rapid City
How far is Chicago to Rapid City by plane?
The straight-line distance from Chicago to Rapid City is 801.5 mi. 2h 28m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Rapid City Airport?
Prices for flights from Chicago to Rapid City Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Rapid City Airport?
There are 2 operators available for flights from Chicago to Rapid City Airport as of October 2026.
How old do you have to be to fly from Chicago to Rapid City Airport?
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 Chicago to Rapid City Airport.
What documentation or ID do you need to fly to Rapid City Airport?
The required travel and health documents for your Rapid City 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 Rapid City 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 Chicago to Rapid City?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Rapid City is Embraer 175, representing 27.75% of all bookings. The subsequent popular models are Airbus A320-100/200 at 18.85%, Embraer 170 at 16.23%, and Boeing 737-800 at 14.66%.
What is the most popular airline from Chicago to Rapid City?
Based on momondo bookings for flights between Chicago and Rapid City, the leading airline is American Airlines, making up 48% of the total bookings. Other popular airlines include United Airlines with 42% and Delta with 11%.
Best airlines flying from Chicago to Rapid City
Compare and see reviews for airlines that fly from Chicago to Rapid City with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $249 | Free Cancellation | Rating 7.0 12,129 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 7.4 10,289 reviews |
United Airlines Flights From Chicago to Rapid City
Across 7 United Airlines flights from Chicago to Rapid City this week, the average price was $379, with the best United Airlines deals starting from $269 round-trip. 10,289 users have rated United Airlines on momondo, with an average score of 7.4/10.
Traveling to a place near Rapid City?
Book flights to Rapid City if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Rapid City?
Finding the right flight to Rapid City from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rapid City quick and easy, saving you time and money.
Can I find flights from Chicago to Rapid City with flexible booking policies on momondo?
Yes. All flights to Rapid City from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to Rapid City?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Rapid City.
I’m not ready to book a flight from Chicago to Rapid City right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Rapid City, momondo offers a useful price alert feature which will track prices for flights to Rapid City from Chicago and alert you when they change.