HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$254+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RAP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Rapid City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$272
(United Airlines)

One-way from

$254
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$481
From Idaho to Rapid City
Search Deals
One-way flight from Idaho to Rapid City
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 6/251:46 pmJAC - RAP
1 stop7h 03mUnited Airlines
Sun 6/295:30 amRAP - JAC
1 stop4h 09mUnited Airlines
Deal found 6/10$272
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/232:32 pmBOI - RAP
1 stop6h 15mUnited Airlines
Sat 7/265:30 amRAP - BOI
1 stop4h 16mUnited Airlines
Deal found 6/11$274
This Delta deal was found by Cheapflights users on 6/10. 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 9/132:05 pmGEG - RAP
1 stop7h 05mDelta
Sat 9/206:20 amRAP - GEG
1 stop7h 50mDelta
Deal found 6/10$279
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/44:13 pmIDA - RAP
1 stop4h 43mUnited Airlines
Fri 7/115:59 pmRAP - IDA
1 stop4h 52mUnited Airlines
Deal found 6/10$289
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/174:05 pmGEG - RAP
1 stop14h 04mMultiple Airlines
Sun 7/209:49 pmRAP - GEG
2 stops20h 13mMultiple Airlines
Deal found 6/10$304
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/57:00 amBOI - RAP
1 stop7h 01mAmerican Airlines
Sat 7/125:36 amRAP - BOI
2 stops11h 11mAmerican Airlines
Deal found 6/10$415
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/155:30 amGEG - RAP
1 stop6h 16mUnited Airlines
Fri 7/184:38 pmRAP - GEG
1 stop5h 25mUnited Airlines
Deal found 6/11$421
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/1712:27 pmGEG - RAP
1 stop7h 39mAmerican Airlines
Sun 7/205:36 amRAP - GEG
1 stop7h 01mAmerican Airlines
Deal found 6/10$461
This Delta deal was found by Cheapflights users on 6/11. 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 7/1012:50 pmBOI - RAP
2 stops9h 41mDelta
Fri 7/114:30 pmRAP - BOI
2 stops7h 39mDelta
Deal found 6/11$615
This Delta deal was found by Cheapflights users on 6/11. 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 6/271:00 pmJAC - RAP
2 stops9h 31mDelta
Tue 7/16:35 amRAP - JAC
2 stops11h 38mDelta
Deal found 6/11$1,428
This Delta deal was found by Cheapflights users on 6/11. 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 6/263:04 pmIDA - RAP
2 stops7h 27mDelta
Mon 6/306:35 amRAP - IDA
2 stops11h 37mDelta
Deal found 6/11$1,651

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 June 12, 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

JacksonRapid City

JAC - RAP

JACRAP

Jackson Hole

Wed 6/25

1:46 pm-8:49 pm

1 stop7h 03m

Rapid City

Sun 6/29

5:30 am-9:39 am

1 stop4h 09m

$272

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Wed 7/23

2:32 pm-8:47 pm

1 stop6h 15m

Rapid City

Sat 7/26

5:30 am-9:46 am

1 stop4h 16m

$274

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Sat 9/13

2:05 pm-10:10 pm

1 stop7h 05m

Rapid City

Sat 9/20

6:20 am-1:10 pm

1 stop7h 50m

$279

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 7/4

4:13 pm-8:56 pm

1 stop4h 43m

Rapid City

Fri 7/11

5:59 pm-10:51 pm

1 stop4h 52m

$289

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Thu 7/17

4:05 pm-7:09 am

1 stop14h 04m

Rapid City

Sun 7/20

9:49 pm-5:02 pm

2 stops20h 13m

$304

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 7/5

7:00 am-2:01 pm

1 stop7h 01m

Rapid City

Sat 7/12

5:36 am-4:47 pm

2 stops11h 11m

$415

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Tue 7/15

5:30 am-12:46 pm

1 stop6h 16m

Rapid City

Fri 7/18

4:38 pm-9:03 pm

1 stop5h 25m

$421

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Thu 7/17

12:27 pm-9:06 pm

1 stop7h 39m

Rapid City

Sun 7/20

5:36 am-11:37 am

1 stop7h 01m

$461

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 7/10

12:50 pm-10:31 pm

2 stops9h 41m

Rapid City

Fri 7/11

4:30 pm-12:09 am

2 stops7h 39m

$615

JacksonRapid City

JAC - RAP

JACRAP

Jackson Hole

Fri 6/27

1:00 pm-10:31 pm

2 stops9h 31m

Rapid City

Tue 7/1

6:35 am-6:13 pm

2 stops11h 38m

$1,428

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 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 $504). 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 June 12, 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 June 12, 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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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 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 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 June is currently the most expensive (average of $504). 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
Keystone
Sturgis
Spearfish

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Sioux Falls flights
O'Hare Intl to Rapid City flights
John F Kennedy Intl to Rapid City flights
Newark to Rapid City flights
LaGuardia to Rapid City flights
Seattle to Sioux Falls flights
Seattle to Rapid City flights
Dallas/Fort Worth to Sioux Falls flights
O'Hare Intl to Sioux Falls flights
Minneapolis to Rapid City flights
Boston to Rapid City flights
Portland to Sioux Falls flights
Dulles Intl to Rapid City flights
Reagan-National to Rapid City flights
Dallas/Fort Worth to Rapid City flights
Cincinnati to Rapid City flights
Baltimore to Rapid City flights
Atlanta to Rapid City flights
Tampa to Rapid City flights
San Diego to Sioux Falls flights
Dulles Intl to Sioux Falls flights
Orlando to Rapid City flights
Newark to Sioux Falls flights
Sky Harbor Intl to Rapid City flights
Charlotte to Rapid City flights
Ontario to Rapid City flights
Raleigh to Rapid City flights
Denver to Rapid City flights
Los Angeles to Rapid City flights
Hobby to Sioux Falls flights
Sky Harbor Intl to Sioux Falls flights
Pensacola to Sioux Falls flights
Indianapolis to Sioux Falls flights
Midway to Rapid City flights
San Francisco to Rapid City flights
Atlanta to Sioux Falls flights
Cleveland to Sioux Falls flights
Reagan-National to Sioux Falls flights
LaGuardia to Sioux Falls flights
Pittsburgh to Rapid City flights
John F Kennedy Intl to Sioux Falls flights
Hartford to Rapid City flights
St. Louis to Rapid City flights
Orlando to Sioux Falls flights
Portland to Rapid City flights
George Bush Intcntl to Sioux Falls flights
Ontario to Sioux Falls flights
Boston to Sioux Falls flights
Philadelphia to Rapid City flights
Anchorage to Rapid City flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$368FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$283FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.