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$289+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOI
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This Delta deal was found by Cheapflights users on 3/8. 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 4/106:00 am
RAP
-
BOI
1 stop8h 05m
Delta
Tue 4/143:23 pm
BOI
-
RAP
1 stop6h 57m
Delta
Deal found 3/8$289
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sat 5/2311:20 am
RAP
-
BOI
1 stop6h 36m
United Airlines
Wed 5/275:46 pm
BOI
-
RAP
1 stop4h 39m
United Airlines
Deal found 3/11$309
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/222:47 pm
RAP
-
BOI
1 stop6h 35m
United Airlines
Sat 4/255:29 pm
BOI
-
RAP
1 stop4h 59m
United Airlines
Deal found 3/8$359
This United Airlines deal was found by Cheapflights users on 3/9. 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 12/57:05 am
RAP
-
BOI
1 stop6h 25m
United Airlines
Tue 12/85:22 pm
BOI
-
RAP
1 stop4h 46m
United Airlines
Deal found 3/9$379
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/237:00 am
RAP
-
BOI
1 stop6h 31m
United Airlines
Thu 4/305:00 am
BOI
-
RAP
1 stop4h 23m
United Airlines
Deal found 3/8$394
This Delta deal was found by Cheapflights users on 3/8. 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 4/246:00 am
RAP
-
BOI
1 stop8h 26m
Delta
Sat 4/253:23 pm
BOI
-
RAP
1 stop6h 57m
Delta
Deal found 3/8$395
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 4/285:20 am
RAP
-
BOI
1 stop4h 34m
United Airlines
Tue 4/285:29 pm
BOI
-
RAP
1 stop4h 51m
United Airlines
Deal found 3/8$411
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 4/226:00 am
RAP
-
BOI
1 stop8h 26m
Delta
Wed 4/294:55 pm
BOI
-
RAP
2 stops17h 22m
Delta
Deal found 3/8$422
This Delta deal was found by Cheapflights users on 3/8. 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.
Sat 4/256:00 am
RAP
-
BOI
2 stops11h 21m
Delta
Wed 4/294:55 pm
BOI
-
RAP
2 stops17h 22m
Delta
Deal found 3/8$428
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/237:00 am
RAP
-
BOI
1 stop6h 31m
United Airlines
Mon 4/275:29 pm
BOI
-
RAP
1 stop4h 51m
United Airlines
Deal found 3/8$429

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

Popular in

June

Cheapest in

February

Average price

$466
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 March 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 March 12, 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

Fri 4/10

6:00 am-2:05 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Tue 4/14

3:23 pm-10:20 pm

1 stop6h 57m

$289
Quickest round-trip

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 5/22

5:00 am-9:45 am

1 stop4h 45m

Boise Air Term. Gowen Fld

Wed 5/27

5:46 pm-10:25 pm

1 stop4h 39m

$289

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sat 5/23

5:00 am-9:45 am

1 stop4h 45m

Boise Air Term. Gowen Fld

Wed 5/27

5:46 pm-10:25 pm

1 stop4h 39m

$289

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Wed 4/22

2:47 pm-9:22 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Wed 4/29

6:15 am-1:08 pm

1 stop6h 53m

$359

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sat 4/25

5:20 am-9:54 am

1 stop4h 34m

Boise Air Term. Gowen Fld

Mon 4/27

5:29 pm-10:20 pm

1 stop4h 51m

$394

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Wed 4/8

4:01 pm-11:59 pm

2 stops7h 58m

Boise Air Term. Gowen Fld

Sun 4/12

3:01 pm-10:25 pm

1 stop7h 24m

$439

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Thu 3/26

7:00 am-1:32 pm

1 stop6h 32m

Boise Air Term. Gowen Fld

Mon 3/30

5:00 am-9:23 am

1 stop4h 23m

$448

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sun 4/26

4:15 pm-9:22 pm

1 stop5h 07m

Boise Air Term. Gowen Fld

Tue 4/28

5:00 am-11:24 am

1 stop6h 24m

$461

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Thu 5/21

5:00 am-9:45 am

1 stop4h 45m

Boise Air Term. Gowen Fld

Tue 5/26

5:00 am-7:13 pm

1 stop14h 13m

$469

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Thu 4/9

2:47 pm-9:22 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Mon 4/13

12:30 pm-11:24 am

2 stops22h 54m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 March.
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.

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 March 12, 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
8,286 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,286 reviews
Delta
7.9
Good
8,286 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
9,418 reviews
Delta
7.9
Good
8,286 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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 Delta and United Airlines fly from Rapid City to Boise in about 4h 45m. The time it takes to get you to your destination can typically vary by up to 3h 20m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $248 on this airline. An additional option worth looking into is Delta, starting at $248. United Airlines 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

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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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$248FlexibilityNo cancel feeOn-timeN/A

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