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$220+ Cheap flights from Rapid City to Boise (RAP - BOI)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOI
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Rapid City to Boise

Cheapest flights from Rapid City to Boise
Explore the most affordable flight options available from Rapid City to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 11/15:15 amRAP - BOI
1 stop4h 43mUnited Airlines
Tue 11/46:15 amBOI - RAP
1 stop4h 50mUnited Airlines
Deal found 10/26$334
This United Airlines deal was found by Cheapflights users on 10/27. 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 10/315:15 amRAP - BOI
1 stop4h 43mUnited Airlines
Sun 11/25:00 amBOI - RAP
1 stop4h 15mUnited Airlines
Deal found 10/27$349
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/1011:14 amRAP - BOI
1 stop6h 18mAllegiant Air
Fri 11/149:31 pmBOI - RAP
1 stop20h 55mAllegiant Air
Deal found 10/26$381
This Delta deal was found by Cheapflights users on 10/26. 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 11/16:05 amRAP - BOI
1 stop7h 57mDelta
Tue 11/41:00 pmBOI - RAP
2 stops9h 36mDelta
Deal found 10/26$414
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:05 amRAP - BOI
2 stops25h 47mMultiple Airlines
Fri 1/29:46 pmBOI - RAP
1 stop12h 29mMultiple Airlines
Deal found 10/26$422
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 11/102:51 pmRAP - BOI
2 stops9h 44mDelta
Fri 11/143:04 pmBOI - RAP
1 stop7h 35mDelta
Deal found 10/26$486
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/2311:11 amRAP - BOI
1 stop22h 50mUnited Airlines
Fri 1/25:00 amBOI - RAP
1 stop16h 59mUnited Airlines
Deal found 10/26$599
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/112:27 pmRAP - BOI
1 stop5h 42mUnited Airlines
Mon 11/32:40 pmBOI - RAP
2 stops19h 54mUnited Airlines
Deal found 10/28$627
This Delta deal was found by Cheapflights users on 10/26. 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 12/236:19 amRAP - BOI
2 stops11h 20mDelta
Fri 1/25:50 amBOI - RAP
2 stops9h 44mDelta
Deal found 10/26$1,049

Cheap flight deals from Rapid City to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Boise (BOI). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$284
(Delta)

One-way from

$220
(Delta)

Popular in

November

Cheapest in

January

Average price

$294
Provider with most accurate pricing for Rapid City-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Boise Air Term. Gowen Fld flights.
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From Rapid City to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Rapid City to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Boise 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 October 28, 2025.
Use the filters below to find and compare flights from Rapid City to Boise that are best for you.

Fly from

Rapid City

Fly to

Boise

Route

Depart

Return

Price

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 3/3

4:00 pm-11:42 pm

1 stop7h 42m

Boise Air Term. Gowen Fld

Sat 3/7

3:00 pm-10:14 pm

1 stop7h 14m

$284

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 12/23

11:05 am-12:52 pm

2 stops25h 47m

Boise Air Term. Gowen Fld

Fri 1/2

9:46 pm-10:15 am

1 stop12h 29m

$422

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Mon 11/10

2:51 pm-12:35 am

2 stops9h 44m

Boise Air Term. Gowen Fld

Fri 11/14

3:04 pm-10:39 pm

1 stop7h 35m

$486

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 12/23

11:11 am-10:01 am

1 stop22h 50m

Boise Air Term. Gowen Fld

Fri 1/2

5:00 am-9:59 pm

1 stop16h 59m

$599

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 11/25

4:25 pm-12:09 am

1 stop7h 44m

$220

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 11/25

10:33 am-8:11 am

2 stops21h 38m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Rapid City to Boise

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

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

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

Currently, January is the cheapest month in which you can book a flight from Rapid City to Boise (average of $248). Flying from Rapid City to Boise in June is currently the most expensive (average of $449). 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.

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

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated October 28, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Rapid City to Boise 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
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Boise. 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 Rapid City to Boise?

    Airlines like Delta fly from Rapid City to Boise in about 7h 42m. The time it takes to get you to your destination can typically vary by up to . The distance between Rapid City and Boise is about 656 mi.

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

    Our cheapest airline available from Rapid City to Boise is Delta. Our recent data shows that you can find tickets from as low as $248 on this airline. An additional option worth looking into is United Airlines, starting at $258. Delta is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rapid City to Boise 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 Rapid City to Boise?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to Boise (average of $248). Flying from Rapid City to Boise in June is currently the most expensive (average of $449). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 2 airlines flying from Rapid City to Boise

Discover the top 2 airlines that operate flights from Rapid City to Boise. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$248FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$429FlexibilityNo cancel feeOn-time69%

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