$172+ Cheap flights from Chicago (CHI) to Rapid City (RAP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — RAP
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Rapid City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Rapid City are usually found in May or December, booked 70 days in advance, depart on a Saturday or Tuesday and return on a Saturday
Cheap flight deals from Chicago to Rapid City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to Rapid CityExplore the most affordable flight options available from Chicago to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Chicago to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:50 pm -
Nonstop2h 52m
Wed 12/96:00 am -
Nonstop2h 34m
Deal found 9/9![United Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:47 am -
Nonstop2h 28m
Sat 10/245:00 am -
1 stop6h 36m
Deal found 9/9![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:31 pm -
1 stop5h 59m
Tue 10/276:39 am -
1 stop4h 08m
Deal found 9/10![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:09 am -
1 stop6h 08m
Sat 10/36:07 pm -
Nonstop2h 38m
Deal found 9/9![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:00 am -
1 stop5h 54m
Sat 10/2412:51 pm -
1 stop6h 47m
Deal found 9/10![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:39 pm -
1 stop4h 14m
Wed 12/96:42 am -
1 stop4h 17m
Deal found 9/10![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:47 am -
Nonstop2h 28m
Tue 10/205:53 pm -
1 stop5h 06m
Deal found 9/8![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:50 pm -
1 stop6h 02m
Sat 10/175:53 pm -
1 stop5h 06m
Deal found 9/9![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:47 am -
Nonstop2h 28m
Wed 10/145:53 pm -
1 stop5h 06m
Deal found 9/9![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:46 pm -
1 stop9h 10m
Sat 10/245:04 pm -
1 stop5h 55m
Deal found 9/11![American Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:12 am -
1 stop4h 45m
Sat 10/246:39 am -
1 stop4h 08m
Deal found 9/7![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:40 am -
Nonstop2h 51m
Sun 11/87:00 am -
1 stop5h 29m
Deal found 9/10![United Airlines logo]()
$324
Best flights from Chicago to Rapid CityDiscover carefully curated flight deals from Chicago to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Chicago to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:31 pm -
1 stop5h 59m
Sat 10/246:39 am -
1 stop4h 08m
Deal found 9/9![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop7h 26m
Mon 10/195:53 pm -
1 stop5h 06m
Deal found 9/10![United Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/119:59 am -
1 stop5h 01m
Tue 12/152:40 pm -
1 stop5h 55m
Deal found 9/10![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:12 am -
1 stop4h 45m
Sat 10/246:39 am -
1 stop4h 08m
Deal found 9/7![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:47 am -
Nonstop2h 28m
Thu 10/151:37 pm -
Nonstop2h 24m
Deal found 9/8![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:00 am -
1 stop5h 28m
Sun 10/181:37 pm -
Nonstop2h 24m
Deal found 9/11![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop7h 26m
Sun 10/181:37 pm -
Nonstop2h 24m
Deal found 9/10![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:47 am -
Nonstop2h 28m
Sun 10/111:37 pm -
Nonstop2h 24m
Deal found 9/12![United Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:27 pm -
1 stop4h 31m
Sun 10/256:39 am -
2 stops10h 21m
Deal found 9/11![Delta logo]()
$604
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:31 pm -
1 stop5h 59m
Sun 10/186:39 am -
1 stop4h 08m
Deal found 9/8![Delta logo]()
$709
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:13 pm -
1 stop4h 05m
Wed 9/306:48 am -
2 stops10h 45m
Deal found 9/11![Delta logo]()
$744
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:31 pm -
1 stop5h 59m
Mon 10/126:39 am -
2 stops10h 21m
Deal found 9/11![Delta logo]()
$774
Last-minute flights from Chicago to Rapid CityDiscover last-minute flight deals from Chicago to Rapid City. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Rapid City. Data last updated September 12, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:09 am -
1 stop6h 08m
Sat 10/36:07 pm -
Nonstop2h 38m
Deal found 9/9![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:46 pm -
1 stop8h 37m
Sun 10/46:07 pm -
Nonstop2h 38m
Deal found 9/10![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:47 am -
Nonstop2h 28m
Wed 10/75:53 pm -
1 stop5h 06m
Deal found 9/10![United Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:47 am -
Nonstop2h 28m
Wed 10/145:53 pm -
1 stop5h 06m
Deal found 9/9![United Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:50 pm -
1 stop6h 02m
Sat 10/175:53 pm -
1 stop5h 06m
Deal found 9/9![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:47 am -
Nonstop2h 28m
Sat 10/245:00 am -
1 stop6h 36m
Deal found 9/9![United Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:47 am -
Nonstop2h 28m
Tue 10/205:53 pm -
1 stop5h 06m
Deal found 9/8![United Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:12 am -
1 stop4h 45m
Sat 10/246:39 am -
1 stop4h 08m
Deal found 9/7![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:46 pm -
1 stop9h 10m
Sat 10/245:04 pm -
1 stop5h 55m
Deal found 9/11![American Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:31 pm -
1 stop5h 59m
Sat 10/246:39 am -
1 stop4h 08m
Deal found 9/9![Delta logo]()
$310
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:00 am -
1 stop5h 54m
Sat 10/2412:51 pm -
1 stop6h 47m
Deal found 9/10![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:31 pm -
1 stop5h 59m
Tue 10/276:39 am -
1 stop4h 08m
Deal found 9/10![Delta logo]()
$301
One-way flights from Chicago to Rapid CitySearch for one-way flight options from Chicago to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Chicago to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:01 pm -
2 stops42h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 am -
3 stops32h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
3 stops56h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:30 am -
3 stops32h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:30 am -
2 stops39h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
2 stops21h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:27 pm -
1 stop11h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:59 am -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:31 pm -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:13 pm -
1 stop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:06 pm -
2 stops26h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:13 pm -
1 stop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$374
Find flight deals from Chicago to Rapid City
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Rapid City (RAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $290 (United Airlines) |
One-way from | $172 (Kiwi.com) |
Popular in | March |
Cheapest in | May |
Average price | $438 |
Good round-trip deal | $405 or less |
Good one-way deal | $255 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Rapid City 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, Cheapflights users made 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Chicago to Rapid City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Tue 11/10
8:40 am-10:31 am
Nonstop2h 51m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$241
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Wed 11/11
6:23 am-10:23 am
1 stop5h 00m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$251
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Fri 11/13
8:40 am-10:31 am
Nonstop2h 51m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
Quickest round-trip
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Fri 10/9
8:47 am-10:15 am
Nonstop2h 28m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sun 11/8
8:40 am-10:31 am
Nonstop2h 51m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Fri 12/11
7:50 pm-9:42 pm
Nonstop2h 52m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChicagoRapid City
MDW Chicago Midway - RAP Rapid City
MDWRAP
Chicago Midway
Sat 10/24
12:27 pm-10:30 pm
1 stop11h 03m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$277
ChicagoRapid City
MDW Chicago Midway - RAP Rapid City
MDWRAP
Chicago Midway
Sat 10/3
9:59 am-3:51 pm
1 stop6h 52m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Sun 10/11
6:20 am-10:45 am
1 stop5h 25m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
ChicagoRapid City
ORD Chicago O'Hare Intl - RAP Rapid City
ORDRAP
Chicago O'Hare Intl
Wed 11/4
8:40 am-10:31 am
Nonstop2h 51m
Rapid City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
Showing 1-10 of 34 resultsSorted by cheapest first
Compare providers for flights from Chicago to Rapid City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Rapid City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Rapid City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Rapid City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Rapid City
Have a flexible travel schedule? Discover the best time to fly to Rapid City from Chicago with our price prediction graph.
CHI-RAP
ORD-RAP
MDW-RAP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Rapid City
CHI-RAP
ORD-RAP
MDW-RAP
What is the cheapest month to book a flight from Chicago to Rapid City?
Currently, December is the cheapest month in which you can book a flight from Chicago to Rapid City (average of $314). Flying from Chicago to Rapid City in November is currently the most expensive (average of $536). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to RAP?
Find hourly flight availability from Chicago to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Chicago to Rapid City by exploring options for tickets in the evening.
Weekly flight availability from Chicago to Rapid City
Explore weekly flight availability from Chicago to Rapid City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 12, 2026.
The most flights from CHI to RAP are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Chicago to Rapid City?
Airfare is below average for this route at the moment.
Chicago to Rapid City flights typically cost between $328 and $519 in December.The cheapest round-trip price found within the last 5 days was $290 on United Airlines (Dec 4-Dec 9).
How far ahead should I book a flight from Chicago to Rapid City?
Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Rapid City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Chicago to Rapid City?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Rapid City. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Chicago to Rapid City flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Rapid City
Get insights into the airlines that provide service to Rapid City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rapid City. Reviews last updated September 12, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Chicago to Rapid City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Chicago to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Rapid City?
Book flights to Rapid City if you plan to visit one of these locationsDeadwood
Keystone
Spearfish
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Chicago and Rapid City flights
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Top 2 airlines flying from Chicago to Rapid City
Discover the top 2 airlines that operate flights from Chicago to Rapid City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$349 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$371 | FlexibilityNo cancel fee | On-time69% |