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$106+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAX
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. 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 12/235:15 amRAP - LAX
1 stop5h 21mUnited Airlines
Sat 12/275:00 amLAX - RAP
1 stop6h 46mUnited Airlines
Deal found 12/7$398
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/255:15 amRAP - LAX
1 stop5h 21mUnited Airlines
Thu 1/88:50 amLAX - RAP
1 stop7h 22mUnited Airlines
Deal found 12/6$409
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/1110:55 amRAP - LAX
1 stop5h 21mUnited Airlines
Sat 12/132:30 pmLAX - RAP
1 stop5h 07mUnited Airlines
Deal found 12/7$419
This Delta deal was found by Cheapflights users on 12/7. 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 12/116:05 amRAP - LAX
1 stop8h 06mDelta
Sat 12/131:35 pmLAX - RAP
2 stops8h 11mDelta
Deal found 12/7$424
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/318:45 amRAP - LAX
1 stop23h 55mUnited Airlines
Wed 1/71:04 pmLAX - RAP
1 stop6h 28mUnited Airlines
Deal found 12/8$472
This American Airlines deal was found by Cheapflights users on 12/7. 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 12/115:15 amRAP - LAX
1 stop9h 30mAmerican Airlines
Sat 12/1310:02 amLAX - RAP
2 stops10h 14mAmerican Airlines
Deal found 12/7$480
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Wed 12/1710:55 amRAP - LAX
1 stop7h 30mUnited Airlines
Tue 12/235:00 amLAX - RAP
1 stop5h 32mUnited Airlines
Deal found 12/9$494

Find 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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$203
(Mytrip)

One-way from

$106
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$434
Provider with most accurate pricing for Rapid City-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Los Angeles flights.
Search Deals
From Rapid City to Riverside
Search Deals
One-way flight from Rapid City to Riverside
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 9, 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 1/22

10:10 pm-5:11 pm

2 stops20h 01m

Los Angeles

Thu 1/29

9:17 am-9:20 pm

1 stop11h 03m

$259

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Wed 1/21

10:54 am-4:49 pm

1 stop6h 55m

Los Angeles

Mon 1/26

11:55 pm-10:13 am

1 stop9h 18m

$259

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 2/26

6:00 am-2:01 pm

1 stop9h 01m

Los Angeles

Mon 3/2

12:40 pm-10:27 pm

1 stop8h 47m

$259

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 1/22

10:54 am-10:43 pm

2 stops12h 49m

Los Angeles

Thu 1/29

10:20 pm-10:13 am

2 stops10h 53m

$269

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Sat 1/10

12:35 pm-5:25 pm

1 stop5h 50m

Los Angeles

Wed 1/14

5:00 am-1:12 pm

1 stop7h 12m

$339

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 1/13

5:10 am-11:23 am

1 stop7h 13m

Los Angeles

Sat 1/17

2:50 pm-8:32 pm

1 stop4h 42m

$339

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 3/5

10:00 am-3:05 pm

1 stop6h 05m

Los Angeles

Sun 3/8

5:00 am-1:13 pm

1 stop7h 13m

$389

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Sun 12/21

10:20 pm-7:18 am

1 stop9h 58m

$106

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Wed 12/24

5:15 am-9:36 am

1 stop5h 21m

$286

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 12/25

11:11 am-5:32 pm

1 stop7h 21m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 13 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, June is the cheapest month in which you can book a flight from Rapid City to Riverside (average of $140). Flying from Rapid City to Riverside in March is currently the most expensive (average of $338). 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 December 9, 2025.

A simple way to save on the total cost of your ticket is to fly from Rapid City to Riverside in the evening. If you’re flexible enough to do this you can expect to save up to 59% on your trip compared to booking a flight in the morning.

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 December 9, 2025.
See what other customers who have flown with United Airlines 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
9,089 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

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
9,089 reviews
United Airlines
7.4
Good
9,089 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

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 1 airline.

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

    For as low as $259, Delta can have you in Riverside from Rapid City in 6h 55m. The distance between Rapid City and Riverside is about 1076 mi.

  • 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, June is the cheapest month in which you can book a flight from Rapid City to Riverside (average of $140). Flying from Rapid City to Riverside in March is currently the most expensive (average of $338). 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 airline flying from Rapid City to Riverside

Discover the top airline 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$414FlexibilityNo cancel feeOn-time69%

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