$206+ Cheap flights from Montana to Rapid City (RAP)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — RAP
Jan 14 — Jan 211
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montana to Rapid City
Cheapest flights from Montana to Rapid CityExplore the most affordable flight options available from Montana to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
Explore the most affordable flight options available from Montana to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/306:15 amBZN - RAP
1 stop6h 31mUnited Airlines
Sat 1/38:45 amRAP - BZN
1 stop4h 52mUnited Airlines
Deal found 12/15![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/306:35 amBIL - RAP
1 stop6h 11mUnited Airlines
Sat 1/33:35 pmRAP - BIL
1 stop5h 49mUnited Airlines
Deal found 12/15![United Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Mon 12/2910:14 amBIL - RAP
1 stop23h 36mAllegiant Air
Fri 1/22:36 pmRAP - BIL
1 stop26h 19mAllegiant Air
Deal found 12/14![Allegiant Air logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:55 pmBIL - RAP
1 stop17h 56mAllegiant Air
Thu 1/19:06 pmRAP - BIL
1 stop10h 50mAllegiant Air
Deal found 12/12![Allegiant Air logo]()
$706
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/234:25 pmBZN - RAP
1 stop4h 24mUnited Airlines
Wed 12/248:45 amRAP - BZN
1 stop25h 00mUnited Airlines
Deal found 12/15![United Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/292:40 pmBIL - RAP
2 stops19h 50mUnited Airlines
Fri 1/28:45 amRAP - BIL
1 stop4h 39mUnited Airlines
Deal found 12/14![United Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 12/15. 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 12/3012:15 pmBZN - RAP
2 stops10h 26mDelta
Sat 1/311:56 amRAP - BZN
2 stops11h 02mDelta
Deal found 12/15![Delta logo]()
$1,661
Find flight deals from Montana to Rapid City
Keep the following information in mind while searching for Montana to Rapid City flight deals. Data was last updated December 15, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $299 (United Airlines) |
One-way from | $206 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana 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 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Montana to Rapid City that are best for you.
Fly from
Montana
Fly to
Rapid City
Route
Depart
Return
Price
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Wed 1/14
2:45 pm-7:14 pm
1 stop4h 29m
Rapid City
Sat 1/17
7:00 am-1:24 pm
1 stop6h 24m
$299
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Wed 1/28
2:45 pm-7:14 pm
1 stop4h 29m
Rapid City
Wed 2/4
2:40 pm-9:23 pm
1 stop6h 43m
$299
BozemanRapid City
BZN - RAP
BZNRAP
Bozeman Gallatin Field
Tue 12/30
6:15 am-12:46 pm
1 stop6h 31m
Rapid City
Sat 1/3
8:45 am-1:37 pm
1 stop4h 52m
$312
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Mon 2/2
4:13 pm-8:32 pm
1 stop4h 19m
Rapid City
Tue 2/3
2:40 pm-9:23 pm
1 stop6h 43m
$419
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Sun 2/1
4:13 pm-8:32 pm
1 stop4h 19m
Rapid City
Tue 2/3
8:30 am-1:24 pm
1 stop4h 54m
$419
BozemanRapid City
BZN - RAP
BZNRAP
Bozeman Gallatin Field
Tue 4/7
6:20 am-9:08 am
1 stop26h 48m
Rapid City
Sat 4/11
2:45 pm-9:17 pm
1 stop6h 32m
$438
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Tue 12/30
6:35 am-12:46 pm
1 stop6h 11m
Rapid City
Sat 1/3
3:35 pm-9:24 pm
1 stop5h 49m
$479
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Mon 12/29
10:14 am-9:50 am
1 stop23h 36m
Rapid City
Fri 1/2
2:36 pm-4:55 pm
1 stop26h 19m
$594
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Sun 12/28
7:55 pm-1:51 pm
1 stop17h 56m
Rapid City
Thu 1/1
9:06 pm-7:56 am
1 stop10h 50m
$706
BillingsRapid City
BIL - RAP
BILRAP
Billings Logan Intl
Mon 12/29
2:40 pm-10:30 am
2 stops19h 50m
Rapid City
Fri 1/2
8:45 am-1:24 pm
1 stop4h 39m
$765
Showing 1-10 of 18 results
Best time to book a flight from Montana to Rapid City
Have a flexible travel schedule? Discover the best time to fly to Rapid City from Montana with our price prediction graph.
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 Montana to Rapid City
What is the cheapest time of day to fly from MT to RAP?
Find hourly flight availability from Montana 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 December 15, 2025.
It’s optimal to fly from Montana to Rapid City in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the evening.
Related info for your journey
Find useful and relevant information for your journey from Montana 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 locationsKeystone
Deadwood
Sturgis
Spearfish
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Alternative routes for Montana to Rapid City
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Montana to Rapid City
Discover the top airline that operate flights from Montana 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 2,558,603 searches. Data last updated December 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$233 | Average$375 | FlexibilityNo cancel fee | On-time69% |