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Rapid City

$190+ Cheap flights from Idaho to Rapid City (RAP)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RAP
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Idaho to Rapid City

Keep the following information in mind while searching for Idaho to Rapid City flight deals. Data was last updated julio 31, 2025.

Round-trip from

$259
(United Airlines)

One-way from

$190
(Delta)

Popular in

December

Cheapest in

August

Average price

$363
From Idaho to Rapid City
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One-way flight from Idaho to Rapid City
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Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Idaho to Rapid City

Cheapest flights from Idaho to Rapid City
Explore the most affordable flight options available from Idaho to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 8/165:42 pmBOI - RAP
1 stop4h 18mUnited Airlines
jue. 8/215:30 amRAP - BOI
1 stop4h 12mUnited Airlines
Deal found 7/29$254
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 10/183:00 pmBOI - RAP
1 stop7h 36mDelta
mar. 10/214:34 pmRAP - BOI
1 stop7h 20mDelta
Deal found 7/30$279
This American Airlines deal was found by Cheapflights users on 7/30. 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.
dom. 9/217:00 amGEG - RAP
1 stop9h 42mAmerican Airlines
jue. 9/254:38 pmRAP - GEG
1 stop6h 57mAmerican Airlines
Deal found 7/30$301
This United Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 8/95:15 amGEG - RAP
1 stop6h 31mUnited Airlines
mié. 8/1311:16 amRAP - GEG
1 stop7h 11mUnited Airlines
Deal found 7/29$379
This Delta deal was found by Cheapflights users on 7/30. 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.
dom. 9/216:10 amGEG - RAP
1 stop6h 36mDelta
jue. 9/252:27 pmRAP - GEG
2 stops10h 36mDelta
Deal found 7/30$429
This United Airlines deal was found by Cheapflights users on 7/31. 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.
lun. 8/255:00 amIDA - RAP
1 stop4h 06mUnited Airlines
jue. 8/284:47 pmRAP - IDA
1 stop6h 01mUnited Airlines
Deal found 7/31$455
This United Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 8/144:07 pmJAC - RAP
1 stop5h 53mUnited Airlines
lun. 8/1811:16 amRAP - JAC
1 stop6h 39mUnited Airlines
Deal found 7/30$475
This American Airlines deal was found by Cheapflights users on 7/31. 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.
jue. 10/21:37 pmBOI - RAP
1 stop7h 14mAmerican Airlines
dom. 10/56:00 amRAP - BOI
1 stop6h 47mAmerican Airlines
Deal found 7/31$564
This Delta deal was found by Cheapflights users on 7/28. 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.
sáb. 12/66:15 amTWF - RAP
2 stops15h 55mDelta
mar. 12/910:40 amRAP - TWF
2 stops11h 38mDelta
Deal found 7/28$675
This Delta deal was found by Cheapflights users on 7/31. 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.
vie. 8/156:00 amIDA - RAP
2 stops9h 43mDelta
mar. 8/196:20 amRAP - IDA
2 stops11h 51mDelta
Deal found 7/31$1,279
This Delta deal was found by Cheapflights users on 7/30. 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.
jue. 8/147:30 amJAC - RAP
2 stops8h 13mDelta
lun. 8/1810:55 amRAP - JAC
2 stops10h 34mDelta
Deal found 7/30$1,358

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 julio 31, 2025.
Use the filters below to find and compare flights from Idaho to Rapid City that are best for you.

Fly from

Idaho

Fly to

Rapid City

Route

Depart

Return

Price

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

sáb. 8/16

5:42 pm-10:00 pm

1 stop4h 18m

Rapid City

jue. 8/21

5:30 am-9:42 am

1 stop4h 12m

$254

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

sáb. 10/18

3:00 pm-10:36 pm

1 stop7h 36m

Rapid City

mar. 10/21

4:34 pm-11:54 pm

1 stop7h 20m

$279

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

dom. 9/21

7:00 am-5:42 pm

1 stop9h 42m

Rapid City

jue. 9/25

4:38 pm-10:35 pm

1 stop6h 57m

$301

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

mié. 8/13

1:37 pm-10:00 pm

1 stop7h 23m

Rapid City

dom. 8/17

7:00 am-12:35 pm

1 stop6h 35m

$385

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

dom. 9/21

6:10 am-1:46 pm

1 stop6h 36m

Rapid City

jue. 9/25

2:27 pm-12:03 am

2 stops10h 36m

$429

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

lun. 8/25

5:00 am-9:06 am

1 stop4h 06m

Rapid City

jue. 8/28

4:47 pm-10:48 pm

1 stop6h 01m

$455

JacksonRapid City

JAC - RAP

JACRAP

Jackson Hole

jue. 8/14

4:07 pm-10:00 pm

1 stop5h 53m

Rapid City

lun. 8/18

11:16 am-5:55 pm

1 stop6h 39m

$475

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

jue. 10/2

1:37 pm-8:51 pm

1 stop7h 14m

Rapid City

dom. 10/5

6:00 am-12:47 pm

1 stop6h 47m

$564

Twin FallsRapid City

TWF - RAP

TWFRAP

Twin Falls Joslin

sáb. 12/6

6:15 am-10:10 pm

2 stops15h 55m

Rapid City

mar. 12/9

10:40 am-10:18 pm

2 stops11h 38m

$675

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

vie. 8/15

6:00 am-3:43 pm

2 stops9h 43m

Rapid City

mar. 8/19

6:20 am-6:11 pm

2 stops11h 51m

$1,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 results
1
2

Best time to book a flight from Idaho to Rapid City

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

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

Currently, January is the cheapest month in which you can book a flight from Idaho to Rapid City (average of $348). Flying from Idaho to Rapid City in June is currently the most expensive (average of $502). 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.

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

Find hourly flight availability from Idaho to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

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

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

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 julio 31, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Idaho to Rapid City. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Idaho to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Rapid City from Idaho?

    Rapid City (RAP) is the airport you will fly into if you book a flight from Idaho to Rapid City. It is only a 9.0 mi journey from Rapid City (RAP) to Rapid City’s city center.

  • What are the cheapest airlines to fly from Idaho to Rapid City one-way?

    $190 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Allegiant Air, with prices starting from $195 and $197, respectively.

  • What are the most popular routes from Idaho to Rapid City?

    The most popular flight routes from Idaho to Rapid City are Spokane - Rapid City, Boise Air Term. Gowen Fld - Rapid City and Twin Falls Joslin - Rapid City.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Idaho to Rapid City (average of $348). Flying from Idaho to Rapid City in June is currently the most expensive (average of $502). 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
Deadwood
Keystone
Sturgis
Spearfish

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Alternative routes for Idaho to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Idaho to Rapid City

Discover the top 2 airlines that operate flights from Idaho 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$351FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$283FlexibilityNo cancel feeOn-timeN/A

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