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$120+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAX
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 February 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:42 pm
RAP
-
LAX
1 stop15h 33m
Multiple Airlines
Thu 2/269:12 am
LAX
-
RAP
1 stop6h 40m
Multiple Airlines
Deal found 2/7$233
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/195:41 pm
RAP
-
LAX
1 stop6h 15m
United Airlines
Tue 3/315:00 am
LAX
-
RAP
1 stop5h 24m
United Airlines
Deal found 2/7$279
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 2/272:52 pm
RAP
-
LAX
1 stop5h 21m
United Airlines
Wed 3/411:08 am
LAX
-
RAP
1 stop4h 59m
United Airlines
Deal found 2/8$294
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/192:45 pm
RAP
-
LAX
1 stop5h 28m
United Airlines
Thu 3/265:00 am
LAX
-
RAP
1 stop7h 13m
United Airlines
Deal found 2/7$297
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:54 am
RAP
-
LAX
1 stop8h 10m
Delta
Wed 2/2511:55 pm
LAX
-
RAP
1 stop9h 14m
Delta
Deal found 2/6$309
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:43 pm
RAP
-
LAX
1 stop25h 49m
Multiple Airlines
Tue 3/318:15 pm
LAX
-
RAP
2 stops43h 47m
Multiple Airlines
Deal found 2/7$320
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:02 am
RAP
-
LAX
1 stop10h 38m
Multiple Airlines
Tue 3/318:15 pm
LAX
-
RAP
2 stops43h 47m
Multiple Airlines
Deal found 2/7$330
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:55 pm
RAP
-
LAX
1 stop23h 38m
Multiple Airlines
Thu 3/261:28 pm
LAX
-
RAP
2 stops20h 19m
Multiple Airlines
Deal found 2/7$334
This Delta deal was found by Cheapflights users on 2/7. 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.
Mon 3/164:01 pm
RAP
-
LAX
1 stop8h 54m
Delta
Mon 3/306:00 am
LAX
-
RAP
1 stop8h 18m
Delta
Deal found 2/7$339

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$233
(Kiwi.com)

One-way from

$120
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$359
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. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 9, 2026.
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

Sat 3/21

5:41 pm-10:56 pm

1 stop6h 15m

Los Angeles

Tue 3/31

5:00 am-11:24 am

1 stop5h 24m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 3/24

2:45 pm-7:13 pm

1 stop5h 28m

Los Angeles

Tue 3/31

5:00 am-11:24 am

1 stop5h 24m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 3/19

5:41 pm-10:56 pm

1 stop6h 15m

Los Angeles

Tue 3/31

5:00 am-11:24 am

1 stop5h 24m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Wed 3/25

7:00 am-11:30 am

1 stop5h 30m

Los Angeles

Tue 3/31

5:00 am-11:24 am

1 stop5h 24m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 2/27

2:52 pm-7:13 pm

1 stop5h 21m

Los Angeles

Wed 3/4

11:08 am-5:07 pm

1 stop4h 59m

$294

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 2/27

7:00 am-11:31 am

1 stop5h 31m

Los Angeles

Tue 3/3

4:10 pm-10:16 pm

1 stop5h 06m

$294

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Sun 2/22

5:42 pm-5:11 pm

2 stops24h 29m

Los Angeles

Thu 2/26

9:12 am-4:52 pm

1 stop6h 40m

$296

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 3/19

2:45 pm-7:13 pm

1 stop5h 28m

Los Angeles

Thu 3/26

5:00 am-1:13 pm

1 stop7h 13m

$297

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Sat 2/21

10:54 am-6:04 pm

1 stop8h 10m

Los Angeles

Wed 2/25

11:55 pm-10:09 am

1 stop9h 14m

$309

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Mon 2/23

7:00 am-11:31 am

1 stop5h 31m

Los Angeles

Sat 2/28

4:10 pm-10:16 pm

1 stop5h 06m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 19 results
1
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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 $151). Flying from Rapid City to Riverside in December is currently the most expensive (average of $348). 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 February 9, 2026.

A simple way to save on the total cost of your ticket is to fly from Rapid City to Riverside in the afternoon. If you’re flexible enough to do this you can expect to save up to 67% on your trip compared to booking a flight in the morning.

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 February 9, 2026.
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
9,262 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

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
9,262 reviews
United Airlines
7.4
Good
9,262 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

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 $279, United Airlines can have you in Riverside from Rapid City in 6h 15m. 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 $151). Flying from Rapid City to Riverside in December is currently the most expensive (average of $348). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$414FlexibilityNo cancel feeOn-time69%

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