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$329+ Cheap flights from Rapid City to Boise (RAP - BOI)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOI
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheap 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 April 28, 2026.

This United Airlines deal was found by Cheapflights users on 4/23. 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 8/227:00 am
RAP
-
BOI
1 stop6h 35m
United Airlines
Sun 8/305:00 am
BOI
-
RAP
1 stop4h 17m
United Airlines
Deal found 4/23$329
This United Airlines deal was found by Cheapflights users on 4/23. 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 7/1710:21 am
RAP
-
BOI
1 stop7h 35m
United Airlines
Mon 7/205:46 pm
BOI
-
RAP
1 stop4h 39m
United Airlines
Deal found 4/23$350
This United Airlines deal was found by Cheapflights users on 4/23. 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 7/167:00 am
RAP
-
BOI
1 stop6h 35m
United Airlines
Tue 7/215:00 am
BOI
-
RAP
1 stop4h 20m
United Airlines
Deal found 4/23$364
This Delta deal was found by Cheapflights users on 4/23. 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 8/196:20 am
RAP
-
BOI
1 stop7h 43m
Delta
Mon 8/315:40 am
BOI
-
RAP
1 stop8h 08m
Delta
Deal found 4/23$376
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 8/202:25 pm
RAP
-
BOI
2 stops9h 31m
Delta
Sun 8/305:40 am
BOI
-
RAP
1 stop8h 08m
Delta
Deal found 4/23$381
This United Airlines deal was found by Cheapflights users on 4/23. 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 7/167:00 am
RAP
-
BOI
1 stop6h 35m
United Airlines
Mon 7/205:46 pm
BOI
-
RAP
1 stop4h 39m
United Airlines
Deal found 4/23$386
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 5/122:35 pm
RAP
-
BOI
1 stop6h 42m
United Airlines
Sat 5/162:33 pm
BOI
-
RAP
1 stop7h 22m
United Airlines
Deal found 4/27$390
This Delta deal was found by Cheapflights users on 4/26. 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.
Fri 6/56:50 am
RAP
-
BOI
2 stops11h 00m
Delta
Sun 6/72:50 pm
BOI
-
RAP
1 stop7h 48m
Delta
Deal found 4/26$397
This Delta deal was found by Cheapflights users on 4/23. 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 8/116:20 am
RAP
-
BOI
2 stops10h 28m
Delta
Thu 8/131:15 pm
BOI
-
RAP
2 stops8h 43m
Delta
Deal found 4/23$402
This Delta deal was found by Cheapflights users on 4/23. 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 8/246:20 am
RAP
-
BOI
2 stops10h 28m
Delta
Sun 8/305:40 am
BOI
-
RAP
1 stop8h 08m
Delta
Deal found 4/23$406
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/215:00 am
RAP
-
BOI
1 stop4h 35m
United Airlines
Wed 9/210:37 am
BOI
-
RAP
1 stop5h 28m
United Airlines
Deal found 4/23$409
This Delta deal was found by Cheapflights users on 4/23. 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 8/246:20 am
RAP
-
BOI
2 stops10h 28m
Delta
Mon 8/311:15 pm
BOI
-
RAP
2 stops8h 43m
Delta
Deal found 4/23$411

Find 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$350
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$295
Provider with most accurate pricing for Rapid City-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Boise Air Term. Gowen Fld flights.
Search Deals
From Rapid City to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 28, 2026.
Use the filters below to find and compare flights from Rapid City to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 7/21

11:20 am-5:56 pm

1 stop6h 36m

Boise Air Term. Gowen Fld

Wed 8/12

6:30 am-11:55 am

1 stop5h 25m

$350

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 7/17

10:21 am-5:56 pm

1 stop7h 35m

Boise Air Term. Gowen Fld

Mon 7/20

5:46 pm-10:25 pm

1 stop4h 39m

$350
Quickest round-trip

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Thu 7/16

7:00 am-1:35 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Tue 7/21

5:00 am-9:20 am

1 stop4h 20m

$364

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 5/12

2:35 pm-9:17 pm

1 stop6h 42m

Boise Air Term. Gowen Fld

Sat 5/16

2:33 pm-9:55 pm

1 stop7h 22m

$390

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 6/5

6:50 am-5:50 pm

2 stops11h 00m

Boise Air Term. Gowen Fld

Sun 6/7

2:50 pm-10:38 pm

1 stop7h 48m

$397

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 5/12

4:33 pm-12:04 am

2 stops7h 31m

Boise Air Term. Gowen Fld

Sat 5/16

2:23 pm-10:23 pm

1 stop8h 00m

$488

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 7/21

6:48 am-1:44 pm

1 stop6h 56m

Boise Air Term. Gowen Fld

Wed 8/12

1:15 pm-9:58 pm

2 stops8h 43m

$492

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 5/8

2:36 pm-12:04 am

2 stops9h 28m

Boise Air Term. Gowen Fld

Tue 5/12

12:55 pm-10:23 pm

2 stops9h 28m

$500

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Mon 5/11

4:33 pm-11:46 pm

1 stop7h 13m

Boise Air Term. Gowen Fld

Fri 5/15

2:23 pm-10:23 pm

1 stop8h 00m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Sorted by cheapest first

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Boise flight deals on Cheapflights vs. FlightHub >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 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 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

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 April 28, 2026.
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
8,467 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

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
8,467 reviews
Delta
7.9
Good
8,467 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

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
9,672 reviews
Delta
7.9
Good
8,467 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

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 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 United Airlines and Delta fly from Rapid City to Boise in about 6h 36m. The time it takes to get you to your destination can typically vary by up to 4h 24m. The distance between Rapid City and Boise is about 656 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 30% 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.

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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Alternative routes for Rapid City to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$248FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$361FlexibilityNo cancel feeOn-time69%

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