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Rapid City

$319+ Cheap flights from Boise to Rapid City (BOI - RAP)

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RAP
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Boise to Rapid City

Cheapest flights from Boise to Rapid City
Explore the most affordable flight options available from Boise to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 6/66:30 am
BOI
-
RAP
1 stop6h 05m
United Airlines
Fri 6/1211:15 am
RAP
-
BOI
1 stop6h 41m
United Airlines
Deal found 1/26$319
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 2/256:25 am
BOI
-
RAP
1 stop6h 48m
United Airlines
Sun 3/15:20 am
RAP
-
BOI
1 stop4h 52m
United Airlines
Deal found 1/27$346
This Delta deal was found by Cheapflights users on 1/25. 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 1/303:03 pm
BOI
-
RAP
1 stop7h 25m
Delta
Sat 1/316:00 am
RAP
-
BOI
1 stop8h 07m
Delta
Deal found 1/25$369
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/136:25 am
BOI
-
RAP
1 stop6h 48m
United Airlines
Tue 2/175:40 pm
RAP
-
BOI
1 stop5h 43m
United Airlines
Deal found 1/27$370
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 8/45:00 am
BOI
-
RAP
1 stop4h 18m
United Airlines
Tue 8/115:30 am
RAP
-
BOI
1 stop4h 13m
United Airlines
Deal found 1/28$397
This United Airlines deal was found by Cheapflights users on 1/26. 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 1/278:10 am
BOI
-
RAP
1 stop5h 02m
United Airlines
Sat 1/3112:35 pm
RAP
-
BOI
1 stop5h 32m
United Airlines
Deal found 1/26$439
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:40 am
BOI
-
RAP
1 stop8h 08m
Delta
Tue 8/112:25 pm
RAP
-
BOI
2 stops9h 31m
Delta
Deal found 1/28$445
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:45 am
BOI
-
RAP
2 stops11h 42m
Delta
Sun 3/16:00 am
RAP
-
BOI
1 stop7h 58m
Delta
Deal found 1/27$460
This Delta deal was found by Cheapflights users on 1/26. 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.
Thu 2/122:54 pm
BOI
-
RAP
1 stop7h 33m
Delta
Mon 2/166:00 am
RAP
-
BOI
1 stop7h 58m
Delta
Deal found 1/26$464
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 3/126:15 am
BOI
-
RAP
1 stop26h 55m
United Airlines
Mon 3/162:45 pm
RAP
-
BOI
1 stop6h 44m
United Airlines
Deal found 1/26$472

Find flight deals from Boise to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Rapid City (RAP). 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$448
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Rapid City flights.
Search Deals
From Boise Air Term. Gowen Fld to Rapid City
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Rapid City 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 January 28, 2026.
Use the filters below to find and compare flights from Boise to Rapid City that are best for you.

Fly from

Boise

Fly to

Rapid City

Route

Depart

Return

Price

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Fri 2/13

6:25 am-1:13 pm

1 stop6h 48m

Rapid City

Tue 2/17

5:20 am-10:12 am

1 stop4h 52m

$370

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Wed 2/25

10:45 am-10:27 pm

2 stops11h 42m

Rapid City

Sun 3/1

6:00 am-1:58 pm

1 stop7h 58m

$460

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 2/12

2:54 pm-10:27 pm

1 stop7h 33m

Rapid City

Mon 2/16

6:00 am-1:58 pm

1 stop7h 58m

$464

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 3/12

6:15 am-9:10 am

1 stop26h 55m

Rapid City

Mon 3/16

2:45 pm-9:29 pm

1 stop6h 44m

$472

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Fri 3/13

3:01 pm-10:25 pm

1 stop7h 24m

Rapid City

Tue 3/17

6:00 am-2:05 pm

1 stop8h 05m

$514

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 3/12

3:01 pm-10:25 pm

1 stop7h 24m

Rapid City

Mon 3/16

4:01 pm-11:59 pm

2 stops7h 58m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Compare providers for flights from Boise to Rapid City

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

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

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

Currently, March is the cheapest month in which you can book a flight from Boise to Rapid City (average of $247). Flying from Boise to Rapid City in December is currently the most expensive (average of $465). 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.

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated January 28, 2026.
Get a feel of what it's like to fly with United Airlines from Boise to Rapid City 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
7.4
Good
9,209 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,209 reviews
United Airlines
7.4
Good
9,209 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

    United Airlines and Delta can get you from Boise to Rapid City in just under 6h 48m. Your travel time can differ by up to 4h 54m. There are 656 mi between Boise and Rapid City. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, United Airlines ($270), offers the cheapest pricing from Boise to Rapid City. Users have found that United Airlines is 33% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Boise to Rapid City (average of $247). Flying from Boise to Rapid City in December is currently the most expensive (average of $465). 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

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Top airline flying from Boise to Rapid City

Discover the top airline that operate flights from Boise to Rapid City. 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$270Average$399FlexibilityNo cancel feeOn-time69%

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