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Rapid City

$319+ Cheap flights from Idaho to Rapid City (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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RAP
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(United Airlines)

Popular in

September

Cheapest in

January

Average price

$343
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Rapid City flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Rapid City flights.
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From Idaho to Rapid City
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Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This United Airlines deal was found by Cheapflights users on 4/1. 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 5/135:25 pmBOI - RAP
1 stop4h 51mUnited Airlines
Sat 5/175:25 amRAP - BOI
1 stop4h 34mUnited Airlines
Deal found 4/1$319
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/164:15 pmIDA - RAP
1 stop17h 06mUnited Airlines
Sun 4/205:15 amRAP - IDA
1 stop4h 17mUnited Airlines
Deal found 4/1$393
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/91:40 pmGEG - RAP
1 stop5h 46mUnited Airlines
Sun 5/119:05 amRAP - GEG
1 stop4h 33mUnited Airlines
Deal found 4/1$395
This Delta deal was found by Cheapflights users on 4/1. 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 5/97:25 pmGEG - RAP
2 stops13h 41mDelta
Sun 5/114:25 pmRAP - GEG
2 stops8h 13mDelta
Deal found 4/1$439
This Delta deal was found by Cheapflights users on 4/1. 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 5/172:47 pmBOI - RAP
1 stop7h 47mDelta
Wed 5/216:33 amRAP - BOI
2 stops16h 55mDelta
Deal found 4/1$457
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/164:15 pmJAC - RAP
1 stop17h 06mUnited Airlines
Sun 4/208:52 amRAP - JAC
1 stop6h 31mUnited Airlines
Deal found 4/1$498
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 7/15:16 pmBOI - RAP
2 stops19h 03mAmerican Airlines
Wed 7/1610:25 amRAP - BOI
2 stops13h 08mAmerican Airlines
Deal found 4/1$587
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/52:11 pmBOI - RAP
2 stops26h 34mMultiple Airlines
Mon 4/79:58 amRAP - BOI
1 stop11h 32mMultiple Airlines
Deal found 4/1$639
This Delta deal was found by Cheapflights users on 4/1. 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 4/166:20 amPIH - RAP
2 stops9h 18mDelta
Sun 4/2011:45 amRAP - PIH
2 stops10h 35mDelta
Deal found 4/1$1,611
This Delta deal was found by Cheapflights users on 4/1. 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 4/166:25 amTWF - RAP
2 stops9h 13mDelta
Sun 4/2011:45 amRAP - TWF
2 stops10h 35mDelta
Deal found 4/1$1,885

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 April 2, 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

Tue 5/13

5:25 pm-10:16 pm

1 stop4h 51m

Rapid City

Sat 5/17

5:25 am-9:59 am

1 stop4h 34m

$319

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Wed 4/16

4:15 pm-9:21 am

1 stop17h 06m

Rapid City

Sun 4/20

5:15 am-9:32 am

1 stop4h 17m

$393

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Fri 5/9

1:40 pm-8:26 pm

1 stop5h 46m

Rapid City

Sun 5/11

9:05 am-12:38 pm

1 stop4h 33m

$395

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Fri 5/9

7:25 pm-10:06 am

2 stops13h 41m

Rapid City

Sun 5/11

4:25 pm-11:38 pm

2 stops8h 13m

$439

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 5/17

2:47 pm-10:34 pm

1 stop7h 47m

Rapid City

Wed 5/21

6:33 am-11:28 pm

2 stops16h 55m

$457

JacksonRapid City

JAC - RAP

JACRAP

Jackson Hole

Wed 4/16

4:15 pm-9:21 am

1 stop17h 06m

Rapid City

Sun 4/20

8:52 am-3:23 pm

1 stop6h 31m

$498

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 7/1

5:16 pm-12:19 pm

2 stops19h 03m

Rapid City

Wed 7/16

10:25 am-11:33 pm

2 stops13h 08m

$587

PocatelloRapid City

PIH - RAP

PIHRAP

Pocatello

Wed 4/16

6:20 am-3:38 pm

2 stops9h 18m

Rapid City

Sun 4/20

11:45 am-10:20 pm

2 stops10h 35m

$1,611

Twin FallsRapid City

TWF - RAP

TWFRAP

Twin Falls Joslin

Wed 4/16

6:25 am-3:38 pm

2 stops9h 13m

Rapid City

Sun 4/20

11:45 am-10:20 pm

2 stops10h 35m

$1,885

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Mon 4/7

2:20 pm-8:29 pm

1 stop6h 09m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 12 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 May is currently the most expensive (average of $556). 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 April 2, 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.

Rainfall in Rapid City by month

Plan your trip to Rapid City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

Temperature in Rapid City by month

Plan your trip to Rapid City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rapid City, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 April 2, 2025.
Read through reviews of airlines operating flights from Idaho to Rapid City, such as Delta, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,616 reviews
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    $322 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $526 and $601, respectively.

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

    The most popular flight routes from Idaho to Rapid City are Boise Air Term. Gowen Fld - Rapid City, Spokane - Rapid City and Jackson Hole - 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 May is currently the most expensive (average of $556). 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 Idaho?

Book flights to Idaho if you plan to visit one of these locations
Deadwood
Spearfish
Keystone
Sturgis
Wall

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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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Milwaukee to Rapid City flights
Reagan-National to Sioux Falls flights
San Diego to Sioux Falls flights
Midway to Rapid City flights
San Francisco to Rapid City flights
Newark to Sioux Falls flights
Raleigh to Sioux Falls flights
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Portland to Rapid City flights
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Harrisburg to Rapid City flights
LaGuardia to Sioux Falls flights
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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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$384FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$318FlexibilityNo cancel feeOn-timeN/A

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