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$309+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOI
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This United Airlines deal was found by Cheapflights users on 6/7. 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 10/315:30 am
RAP
-
BOI
1 stop4h 13m
United Airlines
Wed 11/42:43 pm
BOI
-
RAP
1 stop5h 50m
United Airlines
Deal found 6/7$389
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/711:20 am
RAP
-
BOI
1 stop6h 36m
United Airlines
Tue 7/145:46 pm
BOI
-
RAP
1 stop4h 47m
United Airlines
Deal found 6/7$452
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/2211:20 am
RAP
-
BOI
1 stop6h 36m
United Airlines
Mon 7/275:46 pm
BOI
-
RAP
1 stop4h 39m
United Airlines
Deal found 6/8$455
This United Airlines deal was found by Cheapflights users on 6/6. 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 8/225:00 am
RAP
-
BOI
2 stops16h 24m
United Airlines
Tue 8/255:00 am
BOI
-
RAP
1 stop4h 28m
United Airlines
Deal found 6/6$537
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/610:23 am
RAP
-
BOI
1 stop7h 33m
United Airlines
Sat 8/85:46 pm
BOI
-
RAP
1 stop4h 47m
United Airlines
Deal found 6/10$573
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/134:55 pm
RAP
-
BOI
1 stop6h 26m
American Airlines
Fri 7/171:57 pm
BOI
-
RAP
1 stop22h 13m
American Airlines
Deal found 6/7$622
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 7/134:36 pm
RAP
-
BOI
1 stop4h 53m
United Airlines
Fri 7/175:46 pm
BOI
-
RAP
1 stop4h 39m
United Airlines
Deal found 6/9$648

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(United Airlines)

One-way from

$309

Popular in

June

Cheapest in

February

Average price

$534
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
One-way flight from Rapid City to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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

Sat 8/22

8:55 am-1:38 pm

1 stop4h 43m

Boise Air Term. Gowen Fld

Tue 8/25

5:00 am-11:55 am

1 stop6h 55m

$389
Quickest round-trip

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sat 10/31

8:35 am-1:30 pm

1 stop4h 55m

Boise Air Term. Gowen Fld

Wed 11/4

2:43 pm-8:33 pm

1 stop5h 50m

$389

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Wed 7/22

11:20 am-5:56 pm

1 stop6h 36m

Boise Air Term. Gowen Fld

Mon 7/27

5:46 pm-10:25 pm

1 stop4h 39m

$455
Cheapest one-way
Quickest one-way

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Mon 6/29

5:53 pm-10:37 pm

1 stop4h 44m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

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 June.
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 June 11, 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
8,399 reviews

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,399 reviews
Delta
7.9
Good
8,399 reviews

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,805 reviews
Delta
7.9
Good
8,399 reviews

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 fly from Rapid City to Boise in about 4h 43m. 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 32% 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
Meridian
Nampa
Caldwell
Ontario
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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$248FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$353FlexibilityNo cancel feeOn-time69%

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