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Rapid City

$339+ Cheap flights from Boise to Rapid City (BOI - 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RAP
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Boise to Rapid City

Cheapest flights from Boise to Rapid City
Explore the most affordable flight options available from Boise to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/312:40 pmBOI - RAP
1 stop4h 32mUnited Airlines
Sun 1/45:15 amRAP - BOI
1 stop4h 46mUnited Airlines
Deal found 12/16$390
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/299:46 pmBOI - RAP
1 stop12h 04mAllegiant Air
Fri 1/22:36 pmRAP - BOI
1 stop24h 10mAllegiant Air
Deal found 12/13$488
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/293:49 pmBOI - RAP
2 stops18h 01mMultiple Airlines
Fri 1/22:36 pmRAP - BOI
1 stop24h 10mMultiple Airlines
Deal found 12/13$565
This Delta deal was found by Cheapflights users on 12/16. 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 12/311:00 pmBOI - RAP
2 stops9h 41mDelta
Sun 1/411:56 amRAP - BOI
2 stops12h 23mDelta
Deal found 12/16$874
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/292:18 pmBOI - RAP
2 stops23h 32mAmerican Airlines
Fri 1/25:30 amRAP - BOI
2 stops18h 10mAmerican Airlines
Deal found 12/13$1,247

Find flight deals from Boise to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$339
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$508
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Rapid City flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Rapid City flights.
Search Deals
From Boise Air Term. Gowen Fld to Rapid City
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 16, 2025.
Use the filters below to find and compare flights from Boise to Rapid City that are best for you.

Fly from

Boise

Fly to

Rapid City

Route

Depart

Return

Price

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 2/10

2:37 pm-7:14 pm

1 stop4h 37m

Rapid City

Sat 2/14

2:52 pm-9:32 pm

1 stop6h 40m

$339

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Wed 12/31

2:40 pm-7:12 pm

1 stop4h 32m

Rapid City

Sun 1/4

5:15 am-10:01 am

1 stop4h 46m

$390

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Mon 12/29

9:46 pm-9:50 am

1 stop12h 04m

Rapid City

Fri 1/2

2:36 pm-2:46 pm

1 stop24h 10m

$488

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Mon 12/29

3:49 pm-9:50 am

2 stops18h 01m

Rapid City

Fri 1/2

2:36 pm-2:46 pm

1 stop24h 10m

$565

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Wed 12/31

1:00 pm-10:41 pm

2 stops9h 41m

Rapid City

Sun 1/4

11:56 am-12:19 am

2 stops12h 23m

$874

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Mon 12/29

2:18 pm-1:50 pm

2 stops23h 32m

Rapid City

Fri 1/2

5:30 am-11:40 pm

2 stops18h 10m

$1,247

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Compare providers for flights from Boise 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 Boise to Rapid City in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Rapid City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Rapid City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Rapid City flights, Cheapflights users trust eDreams the most. eDreams 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 Boise-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 Boise to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Boise 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 Boise to Rapid City

What is the cheapest month to book a flight from Boise to Rapid City?

Currently, March is the cheapest month in which you can book a flight from Boise to Rapid City (average of $247). Flying from Boise to Rapid City in December is currently the most expensive (average of $456). 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 BOI to RAP?

Find hourly flight availability from Boise 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 16, 2025.

When flying from Boise to Rapid City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 43% versus a flight at noon.

How much does it cost to fly round-trip from Boise to Rapid City?

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 December 16, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Boise to Rapid City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,094 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boise to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boise to Rapid City?

    United Airlines and Allegiant Air can get you from Boise to Rapid City in just under 4h 37m. Your travel time can differ by up to 7h 27m. There are 656 mi between Boise and Rapid City. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boise to Rapid City round-trip?

    According to our current data, Delta ($248), and United Airlines ($270) offers the cheapest pricing from Boise to Rapid City. Users have found that Delta is 35% cheaper than the other options available to this destination.

  • Can I find deals for flights from Boise to Rapid City that include hotel bookings?

    Yes. In addition to deals on Boise to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Rapid City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Rapid City.

  • Can I find deals for business class flights from Boise to Rapid City?

    Yes. Cheapflights offers flight deals from Boise to Rapid City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Rapid City?

    Currently, March is the cheapest month in which you can book a flight from Boise to Rapid City (average of $247). Flying from Boise to Rapid City in December is currently the most expensive (average of $456). 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.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

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Top 2 airlines flying from Boise to Rapid City

Discover the top 2 airlines that operate flights from Boise 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$318FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$289Average$399FlexibilityNo cancel feeOn-time69%

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