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Rapid City

$289+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — RAP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$289
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$640
From Idaho Falls Fanning Field to Rapid City
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 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.
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 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 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 June 12, 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 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

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 6/26

3:04 pm-10:31 pm

2 stops7h 27m

Rapid City

Mon 6/30

6:35 am-6:12 pm

2 stops11h 37m

$1,651

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 ($289), and Delta ($1,651) offers the cheapest pricing from Idaho Falls to Rapid City. You may be able to fly from Idaho Falls to Rapid City for 15% less than the average price by searching for these airlines.

  • 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 $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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$293FlexibilityNo cancel feeOn-time69%

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