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$132+ Cheap flights from Rapid City (RAP) to Riverside, CA

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Rapid City to Riverside

Keep the following information in mind while searching for Rapid City to Riverside flight deals. Data was last updated September 11, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$132
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$353
From Rapid City to Riverside
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One-way flight from Rapid City to Riverside
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Rapid City to Riverside

Cheapest flights from Rapid City to Riverside
Explore the most affordable flight options available from Rapid City to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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 9/259:56 amRAP - LAX
1 stop6h 04mUnited Airlines
Tue 9/302:52 pmLAX - RAP
1 stop4h 42mUnited Airlines
Deal found 9/9$269
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/18:45 amRAP - LAX
1 stop7h 35mUnited Airlines
Mon 11/32:33 pmLAX - RAP
1 stop4h 53mUnited Airlines
Deal found 9/10$275
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:58 pmRAP - LAX
1 stop19h 16mMultiple Airlines
Sun 11/29:22 amLAX - RAP
1 stop10h 32mMultiple Airlines
Deal found 9/11$276
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:39 pmRAP - LAX
1 stop20h 54mMultiple Airlines
Sun 9/289:36 amLAX - RAP
1 stop6h 13mMultiple Airlines
Deal found 9/11$279
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/259:56 amRAP - LAX
1 stop6h 04mUnited Airlines
Mon 9/294:13 pmLAX - RAP
1 stop4h 59mUnited Airlines
Deal found 9/10$289
This Delta deal was found by Cheapflights users on 9/10. 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 11/16:05 amRAP - LAX
2 stops11h 47mDelta
Mon 11/311:55 pmLAX - RAP
1 stop8h 58mDelta
Deal found 9/10$314
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/95:50 pmRAP - LAX
1 stop6h 10mUnited Airlines
Thu 10/162:52 pmLAX - RAP
1 stop4h 42mUnited Airlines
Deal found 9/10$319
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 9/256:27 amRAP - LAX
1 stop7h 21mDelta
Tue 9/303:15 pmLAX - RAP
1 stop6h 15mDelta
Deal found 9/10$324
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 9/226:27 amRAP - LAX
1 stop6h 30mDelta
Sat 9/271:20 pmLAX - RAP
1 stop8h 10mDelta
Deal found 9/11$329

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Riverside 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 September 11, 2025.
Use the filters below to find and compare flights from Rapid City to Riverside that are best for you.

Fly from

Rapid City

Fly to

Riverside

Route

Depart

Return

Price

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 9/25

9:56 am-3:00 pm

1 stop6h 04m

Los Angeles

Tue 9/30

2:52 pm-8:34 pm

1 stop4h 42m

$269

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Sun 10/26

5:58 pm-12:14 pm

1 stop19h 16m

Los Angeles

Sun 11/2

9:22 am-8:54 pm

1 stop10h 32m

$276

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Sat 11/1

6:05 am-4:52 pm

2 stops11h 47m

Los Angeles

Mon 11/3

7:35 pm-9:53 am

2 stops13h 18m

$319

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 9/25

6:27 am-12:48 pm

1 stop7h 21m

Los Angeles

Tue 9/30

3:15 pm-10:30 pm

1 stop6h 15m

$324

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Mon 9/22

6:27 am-11:57 am

1 stop6h 30m

Los Angeles

Sat 9/27

9:05 am-10:30 pm

2 stops12h 25m

$334

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 11/25

8:45 am-3:20 pm

1 stop7h 35m

Los Angeles

Tue 12/2

7:01 am-1:11 pm

1 stop5h 10m

$339

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 11/21

2:51 pm-11:31 pm

1 stop9h 40m

Los Angeles

Fri 11/28

1:34 pm-10:39 pm

1 stop8h 05m

$339

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 9/30

7:00 am-11:44 am

1 stop5h 44m

Los Angeles

Sat 10/4

7:00 am-12:37 pm

1 stop4h 37m

$354

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 11/25

7:10 am-11:49 am

1 stop5h 39m

Los Angeles

Fri 11/28

2:33 pm-8:26 pm

1 stop4h 53m

$379

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 9/25

6:27 am-12:48 pm

1 stop7h 21m

Los Angeles

Mon 9/29

10:45 pm-1:46 pm

2 stops14h 01m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 19 results
1
2

Best time to book a flight from Rapid City to Riverside

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

What is the cheapest month to book a flight from Rapid City to Riverside?

Currently, January is the cheapest month in which you can book a flight from Rapid City to Riverside (average of $246). Flying from Rapid City to Riverside in March is currently the most expensive (average of $325). 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 RAP to R1V?

Find hourly flight availability from Rapid City to Riverside. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rapid City to Riverside as you normally would.

How much does it cost to fly round-trip from Rapid City to Riverside?

Reviews of airlines servicing Riverside

Get insights into the airlines that provide service to Riverside. 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 Riverside. Reviews last updated September 11, 2025.
See what other customers who have flown with United Airlines and Allegiant Air from Rapid City to Riverside have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Allegiant Air
7.2
Good
702 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Riverside. 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 from for flights from Rapid City to Riverside?

    Located just 9.0 mi from the city center, Rapid City is the airport most travelers will use when flying to Riverside from Rapid City. Booking flights from Rapid City (RAP) to Riverside should be relatively easy as there are 0 daily outbound flights to Riverside from 2 different airlines.

  • How long is the flight from Rapid City to Riverside?

    For as low as $269, United Airlines can have you in Riverside from Rapid City in 6h 04m. The distance between Rapid City and Riverside is about 1076 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Rapid City to Riverside?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Riverside.

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

    Yes. Cheapflights offers flight deals from Rapid City to Riverside 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 Rapid City to Riverside?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to Riverside (average of $246). Flying from Rapid City to Riverside in March is currently the most expensive (average of $325). 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

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Top 2 airlines flying from Rapid City to Riverside

Discover the top 2 airlines that operate flights from Rapid City to Riverside. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$161FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$283Average$426FlexibilityNo cancel feeOn-time69%

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