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Rapid City

$388+ Cheap flights from Idaho Falls to Rapid City (IDA - 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — RAP
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Cheap flight deals from Idaho Falls to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) 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 May 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$388
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$368
Provider with most accurate pricing for Idaho Falls Fanning Field-Rapid City flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Rapid City flights.
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From Idaho Falls Fanning Field to Rapid City
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Highest demand for flights based on searches. 22% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Idaho Falls to Rapid City

Cheapest flights from Idaho Falls to Rapid City
Explore the most affordable flight options available from Idaho Falls to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.

This United Airlines deal was found by Cheapflights users on 5/14. 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 8/14:13 pmIDA - RAP
1 stop19h 23mUnited Airlines
Mon 8/45:30 amRAP - IDA
1 stop4h 14mUnited Airlines
Deal found 5/14$388
This Mytrip deal was found by Cheapflights users on 5/15. 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.
Mon 5/2610:32 pmIDA - RAP
1 stop19h 36mMultiple Airlines
Thu 5/2910:07 pmRAP - IDA
3 stops22h 38mMultiple Airlines
Deal found 5/15$794
This Delta deal was found by Cheapflights users on 5/14. 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 8/16:00 amIDA - RAP
2 stops7h 44mDelta
Mon 8/46:50 amRAP - IDA
2 stops11h 21mDelta
Deal found 5/14$1,598

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho Falls 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 May 15, 2025.
Use the filters below to find and compare flights from Idaho Falls to Rapid City that are best for you.

Fly from

Idaho Falls

Fly to

Rapid City

Route

Depart

Return

Price

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 8/1

4:13 pm-11:36 am

1 stop19h 23m

Rapid City

Mon 8/4

5:30 am-9:44 am

1 stop4h 14m

$388

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Mon 5/26

10:32 pm-6:08 pm

1 stop19h 36m

Rapid City

Thu 5/29

10:07 pm-8:45 pm

3 stops22h 38m

$794

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 8/1

6:00 am-1:44 pm

2 stops7h 44m

Rapid City

Mon 8/4

6:50 am-6:11 pm

2 stops11h 21m

$1,598

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

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

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

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 May 15, 2025.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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
8,731 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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 Falls 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 are the cheapest airlines flying from Idaho Falls to Rapid City round-trip?

    According to our current data, United Airlines ($388), and Delta ($1,598) offers the cheapest pricing from Idaho Falls to Rapid City.

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Rapid City (average of $348). Flying from Idaho Falls to Rapid City in June is currently the most expensive (average of $513). 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 Falls?

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

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Top airline flying from Idaho Falls to Rapid City

Discover the top airline that operate flights from Idaho Falls 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$298FlexibilityNo cancel feeOn-time69%

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