How long is the flight from Rapid City to Boise?

Airlines like Delta and United Airlines fly from Rapid City to Boise in about 5h 09m. The time it takes to get you to your destination can typically vary by up to 2h 25m. 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 is the cheapest airline to fly 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. United Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from RAP to BOI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rapid City to Boise as you normally would.

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.

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.

$339+ Cheap Flights from Rapid City to Boise

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Cheap flight deals from Rapid City to Boise

Cheapest

Best

Last-minute

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 22, 2026.

Wed 11/116:45 am -

1 stop5h 48m

Sun 11/155:30 am -

1 stop8h 13m

Deal found 10/21

$339

Fri 12/114:36 pm -

1 stop7h 34m

Tue 12/151:07 pm -

2 stops9h 39m

Deal found 10/18

$344

Sun 11/224:36 pm -

1 stop7h 23m

Wed 12/25:15 am -

1 stop8h 45m

Deal found 10/22

$359

Fri 11/134:36 pm -

1 stop7h 23m

Thu 11/191:19 pm -

2 stops9h 22m

Deal found 10/22

$364

Thu 11/55:50 pm -

1 stop5h 09m

Mon 11/95:00 am -

1 stop4h 33m

Deal found 10/21

$369

Tue 11/2410:02 am -

1 stop8h 58m

Thu 11/261:40 pm -

2 stops29h 17m

Deal found 10/22

$422

Tue 11/2410:02 am -

1 stop8h 58m

Mon 11/303:29 pm -

2 stops43h 48m

Deal found 10/22

$430

Sat 12/54:31 pm -

1 stop4h 56m

Wed 12/92:48 pm -

1 stop4h 58m

Deal found 10/20

$439

Thu 10/294:38 pm -

1 stop7h 21m

Sun 11/15:30 am -

1 stop5h 15m

Deal found 10/22

$449

Fri 10/304:38 pm -

1 stop7h 21m

Sun 11/11:06 pm -

2 stops9h 24m

Deal found 10/22

$454

Thu 10/224:38 pm -

1 stop7h 21m

Sat 10/245:30 am -

1 stop5h 15m

Deal found 10/18

$459

Best flights from Rapid City to Boise
Discover carefully curated flight deals from Rapid City to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.

Fri 12/114:36 pm -

1 stop7h 34m

Tue 12/151:07 pm -

2 stops9h 39m

Deal found 10/18

$344

Thu 11/55:50 pm -

1 stop5h 09m

Mon 11/95:00 am -

1 stop4h 33m

Deal found 10/21

$369

Sun 11/224:36 pm -

1 stop7h 23m

Wed 12/25:15 am -

1 stop8h 45m

Deal found 10/22

$359

Sat 12/54:31 pm -

1 stop4h 56m

Wed 12/92:48 pm -

1 stop4h 58m

Deal found 10/19

$439

Sat 11/218:30 am -

1 stop5h 15m

Fri 11/276:30 am -

1 stop6h 18m

Deal found 10/18

$532

Sun 11/225:00 am -

1 stop4h 52m

Fri 11/276:30 am -

1 stop6h 18m

Deal found 10/22

$538

Sat 11/217:00 am -

1 stop6h 45m

Thu 11/265:00 am -

1 stop4h 33m

Deal found 10/22

$593

Wed 11/115:00 am -

2 stops11h 42m

Sun 11/155:44 pm -

1 stop4h 46m

Deal found 10/21

$607

Mon 11/237:00 am -

1 stop6h 45m

Sat 11/285:00 am -

1 stop4h 33m

Deal found 10/22

$697

Last-minute flights from Rapid City to Boise
Discover last-minute flight deals from Rapid City to Boise. Data last updated October 22, 2026 and is based on user searches.

Thu 10/224:38 pm -

1 stop7h 21m

Sat 10/245:30 am -

1 stop5h 15m

Deal found 10/18

$459

Wed 10/284:38 pm -

1 stop7h 21m

Sat 10/313:00 pm -

1 stop7h 30m

Deal found 10/22

$464

Thu 10/294:38 pm -

1 stop7h 21m

Sun 11/15:30 am -

1 stop5h 15m

Deal found 10/22

$449

Fri 10/302:37 pm -

2 stops9h 22m

Tue 11/35:30 am -

1 stop5h 15m

Deal found 10/22

$454

Thu 11/55:50 pm -

1 stop5h 09m

Mon 11/95:00 am -

1 stop4h 33m

Deal found 10/21

$369

Wed 11/116:45 am -

1 stop5h 48m

Sun 11/155:30 am -

1 stop8h 13m

Deal found 10/21

$339

Wed 11/115:50 pm -

1 stop5h 09m

Sun 11/155:00 am -

1 stop4h 33m

Deal found 10/20

$439

Fri 11/134:36 pm -

1 stop7h 23m

Thu 11/191:19 pm -

2 stops9h 22m

Deal found 10/22

$364

Sun 11/224:36 pm -

1 stop7h 23m

Wed 12/25:15 am -

1 stop8h 45m

Deal found 10/22

$359

Tue 11/2410:02 am -

1 stop8h 58m

Thu 11/261:40 pm -

2 stops29h 17m

Deal found 10/22

$422

Tue 11/2410:02 am -

1 stop8h 58m

Mon 11/303:29 pm -

2 stops43h 48m

Deal found 10/22

$430

Find flight deals from Rapid City to Boise

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (Delta)
Popular in	March
Cheapest in	February
Average price	$344

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

High demand for flights, 5% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Fri 12/11

4:36 pm-12:10 am

1 stop7h 34m

Boise Air Term. Gowen Fld

Tue 12/15

1:07 pm-10:46 pm

2 stops9h 39m

$344

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Sun 11/22

4:36 pm-11:59 pm

1 stop7h 23m

Boise Air Term. Gowen Fld

Wed 12/2

5:15 am-2:00 pm

1 stop8h 45m

$359

Quickest round-trip

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Thu 11/5

5:50 pm-10:59 pm

1 stop5h 09m

Boise Air Term. Gowen Fld

Mon 11/9

5:00 am-9:33 am

1 stop4h 33m

$369

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Sat 12/5

4:31 pm-9:27 pm

1 stop4h 56m

Boise Air Term. Gowen Fld

Wed 12/9

2:48 pm-7:46 pm

1 stop4h 58m

$439

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Sat 11/21

8:30 am-1:45 pm

1 stop5h 15m

Boise Air Term. Gowen Fld

Fri 11/27

6:30 am-12:48 pm

1 stop6h 18m

$532

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Sun 11/22

5:00 am-9:52 am

1 stop4h 52m

Boise Air Term. Gowen Fld

Fri 11/27

6:30 am-12:48 pm

1 stop6h 18m

$538

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Sat 11/21

7:00 am-1:45 pm

1 stop6h 45m

Boise Air Term. Gowen Fld

Thu 11/26

5:00 am-9:33 am

1 stop4h 33m

$593

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Wed 11/11

5:00 am-4:42 pm

2 stops11h 42m

Boise Air Term. Gowen Fld

Sun 11/15

5:44 pm-10:30 pm

1 stop4h 46m

$607

Rapid CityBoise

RAP Rapid City - BOI Boise Air Term. Gowen Fld

RAPBOI

Rapid City

Mon 11/23

7:00 am-1:45 pm

1 stop6h 45m

Boise Air Term. Gowen Fld

Sat 11/28

5:00 am-9:33 am

1 stop4h 33m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Sorted by cheapest first

Compare providers for flights from Rapid City to Boise

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

RAP-BOI

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?

Airfare is below average for this route at the moment.

Rapid City to Boise flights typically cost between $376 and $511 in November.
The cheapest round-trip price found within the last 5 days was $339 on Delta (Nov 11-Nov 15).

Reviews of airlines servicing Boise

Get a feel of what it's like to fly with 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.

United Airlines

7.3

Good

10,404 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.3

Good

10,404 reviews

United Airlines

7.3

Good

10,404 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from Rapid City to Boise?
Airlines like Delta and United Airlines fly from Rapid City to Boise in about 5h 09m. The time it takes to get you to your destination can typically vary by up to 2h 25m. 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 is the cheapest airline to fly 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. United Airlines is priced at 37% 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

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Nampa

Caldwell

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Top airline flying from Rapid City to Boise

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$248	Average$368	FlexibilityNo cancel fee	On-time69%

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$339+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Boise with Cheapflights

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Cheap flight deals from Rapid City to Boise

Cheapest flights from Rapid City to BoiseExplore 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 22, 2026.

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 22, 2026.

Best flights from Rapid City to BoiseDiscover carefully curated flight deals from Rapid City to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.

Discover carefully curated flight deals from Rapid City to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.

Last-minute flights from Rapid City to BoiseDiscover last-minute flight deals from Rapid City to Boise. Data last updated October 22, 2026 and is based on user searches.

Discover last-minute flight deals from Rapid City to Boise. Data last updated October 22, 2026 and is based on user searches.

Find flight deals from Rapid City to Boise

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Most trusted provider

Round-trip from

Popular in

Cheapest in

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Cheapflights Fare Finder

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

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.

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.

Cheapflights Insights

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

Airfare is below average for this route at the moment.

Rapid City to Boise flights typically cost between $376 and $511 in November.The cheapest round-trip price found within the last 5 days was $339 on Delta (Nov 11-Nov 15).

Reviews of airlines servicing Boise

Get a feel of what it's like to fly with 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.

Related info for your journey

How long is the flight from Rapid City to Boise?

What is the cheapest airline to fly from Rapid City to Boise round-trip?

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

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

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

Traveling to a place near Boise?

Browse thousands of different options on Cheapflights for your next trip

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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.

Other flights to Boise

Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.

Complete your trip

Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Rapid City to Boise by cabin class

Find flights from Rapid City to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Rapid City and Boise flights

Browse other Rapid City and Boise flight options. Last updated on October 22, 2026.

Other flights from Rapid City

Browse through other flights departing from Rapid City. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Rapid City to Boise

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Travel Smart

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 22, 2026.

Best flights from Rapid City to Boise
Discover carefully curated flight deals from Rapid City to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.

Last-minute flights from Rapid City to Boise
Discover last-minute flight deals from Rapid City to Boise. Data last updated October 22, 2026 and is based on user searches.

Rapid City to Boise flights typically cost between $376 and $511 in November.
The cheapest round-trip price found within the last 5 days was $339 on Delta (Nov 11-Nov 15).