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Rapid City

$225+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RAP
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$225
(United Airlines)

Popular in

May

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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One-way flight from Idaho to Rapid City
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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/85:34 amGEG - RAP
1 stop9h 30mAmerican Airlines
Mon 5/125:36 amRAP - GEG
1 stop7h 49mAmerican Airlines
Deal found 4/23$259
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/85:00 amBOI - RAP
1 stop4h 21mUnited Airlines
Mon 5/1211:33 amRAP - BOI
1 stop6h 27mUnited Airlines
Deal found 4/22$341
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/21:40 pmGEG - RAP
1 stop5h 46mUnited Airlines
Sun 5/47:00 amRAP - GEG
1 stop6h 38mUnited Airlines
Deal found 4/23$379
This Delta deal was found by Cheapflights users on 4/22. 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 6/32:10 pmGEG - RAP
1 stop7h 24mDelta
Sat 6/76:33 amRAP - GEG
2 stops10h 28mDelta
Deal found 4/22$444
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/235:48 pmJAC - RAP
1 stop4h 12mUnited Airlines
Fri 5/305:55 pmRAP - JAC
1 stop24h 00mUnited Airlines
Deal found 4/23$494
This Delta deal was found by Cheapflights users on 4/22. 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 5/82:47 pmBOI - RAP
1 stop7h 47mDelta
Mon 5/124:25 pmRAP - BOI
2 stops7h 58mDelta
Deal found 4/22$634
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/207:05 amIDA - RAP
1 stop14h 55mUnited Airlines
Sat 6/219:47 amRAP - IDA
1 stop13h 04mUnited Airlines
Deal found 4/23$651
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/225:10 pmBOI - RAP
2 stops18h 49mAmerican Airlines
Thu 5/295:36 amRAP - BOI
1 stop7h 09mAmerican Airlines
Deal found 4/23$716
This Delta deal was found by Cheapflights users on 4/23. 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 6/206:00 amIDA - RAP
2 stops9h 52mDelta
Sat 6/216:22 amRAP - IDA
2 stops11h 50mDelta
Deal found 4/23$1,681
This Delta deal was found by Cheapflights users on 4/23. 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 6/76:15 amTWF - RAP
2 stops9h 30mDelta
Sun 6/2211:36 amRAP - TWF
2 stops10h 01mDelta
Deal found 4/23$1,765

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 24, 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

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Thu 5/8

5:34 am-4:04 pm

1 stop9h 30m

Rapid City

Mon 5/12

5:36 am-12:25 pm

1 stop7h 49m

$259

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 5/8

5:00 am-9:21 am

1 stop4h 21m

Rapid City

Mon 5/12

11:33 am-6:00 pm

1 stop6h 27m

$341

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Tue 6/3

5:30 am-11:23 am

1 stop4h 53m

Rapid City

Sat 6/7

7:00 am-12:35 pm

1 stop6h 35m

$400

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Tue 6/3

2:10 pm-10:34 pm

1 stop7h 24m

Rapid City

Sat 6/7

6:33 am-4:01 pm

2 stops10h 28m

$444

JacksonRapid City

JAC - RAP

JACRAP

Jackson Hole

Fri 5/23

5:48 pm-10:00 pm

1 stop4h 12m

Rapid City

Fri 5/30

5:55 pm-5:55 pm

1 stop24h 00m

$494

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 5/8

2:47 pm-10:34 pm

1 stop7h 47m

Rapid City

Mon 5/12

4:25 pm-12:23 am

2 stops7h 58m

$634

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 6/20

7:05 am-10:00 pm

1 stop14h 55m

Rapid City

Sat 6/21

9:47 am-10:51 pm

1 stop13h 04m

$651

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 5/22

5:10 pm-11:59 am

2 stops18h 49m

Rapid City

Thu 5/29

5:36 am-12:45 pm

1 stop7h 09m

$716

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 6/20

6:00 am-3:52 pm

2 stops9h 52m

Rapid City

Sat 6/21

6:22 am-6:12 pm

2 stops11h 50m

$1,681

Twin FallsRapid City

TWF - RAP

TWFRAP

Twin Falls Joslin

Sat 6/7

6:15 am-3:45 pm

2 stops9h 30m

Rapid City

Sun 6/22

11:36 am-9:37 pm

2 stops10h 01m

$1,765

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 15 results
1
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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 24, 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 24, 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
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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 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 Idaho Falls Fanning Field - 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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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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$376FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$318FlexibilityNo cancel feeOn-timeN/A

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