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Riverside

$131+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAX
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:42 pm
RAP
-
LAX
1 stop15h 33m
Multiple Airlines
Wed 3/44:07 pm
LAX
-
RAP
1 stop23h 50m
Multiple Airlines
Deal found 2/14$261
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Thu 11/1212:50 pm
RAP
-
LAX
1 stop5h 23m
United Airlines
Sun 11/155:00 am
LAX
-
RAP
1 stop5h 13m
United Airlines
Deal found 2/14$279
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:42 pm
RAP
-
LAX
1 stop14h 07m
Multiple Airlines
Thu 3/59:12 am
LAX
-
RAP
1 stop6h 45m
Multiple Airlines
Deal found 2/14$290
This Delta deal was found by Cheapflights users on 2/14. 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.
Thu 5/142:36 pm
RAP
-
LAX
1 stop7h 21m
Delta
Sun 5/176:15 am
LAX
-
RAP
1 stop6h 38m
Delta
Deal found 2/14$294
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:55 am
RAP
-
LAX
1 stop5h 10m
United Airlines
Thu 3/195:00 am
LAX
-
RAP
1 stop7h 13m
United Airlines
Deal found 2/15$298
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:52 pm
RAP
-
LAX
1 stop5h 21m
United Airlines
Sat 3/75:00 am
LAX
-
RAP
1 stop7h 13m
United Airlines
Deal found 2/15$309
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:54 am
RAP
-
LAX
2 stops13h 19m
Delta
Sat 3/79:00 pm
LAX
-
RAP
2 stops11h 20m
Delta
Deal found 2/15$319
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:55 pm
RAP
-
LAX
1 stop15h 25m
Multiple Airlines
Wed 4/14:07 pm
LAX
-
RAP
1 stop23h 55m
Multiple Airlines
Deal found 2/14$320
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/285:41 pm
RAP
-
LAX
1 stop6h 11m
United Airlines
Thu 4/25:00 am
LAX
-
RAP
1 stop5h 24m
United Airlines
Deal found 2/17$324
This Delta deal was found by Cheapflights users on 2/14. 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.
Thu 11/124:00 pm
RAP
-
LAX
1 stop8h 25m
Delta
Sun 11/157:24 pm
LAX
-
RAP
2 stops13h 43m
Delta
Deal found 2/14$330

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Kiwi.com)

One-way from

$131
(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 18, 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

Wed 7/1

7:00 am-11:32 am

1 stop5h 32m

Los Angeles

Sun 7/5

7:00 am-12:35 pm

1 stop4h 35m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 4/10

4:01 pm-11:55 pm

1 stop8h 54m

Los Angeles

Fri 4/17

1:00 pm-10:20 pm

1 stop8h 20m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 5/14

2:36 pm-8:57 pm

1 stop7h 21m

Los Angeles

Sun 5/17

6:15 am-1:53 pm

1 stop6h 38m

$294

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 3/3

2:52 pm-7:13 pm

1 stop5h 21m

Los Angeles

Sat 3/7

5:00 am-1:13 pm

1 stop7h 13m

$309

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Wed 3/4

5:20 am-9:33 am

1 stop5h 13m

Los Angeles

Sun 3/8

5:00 am-11:05 am

1 stop5h 05m

$309

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 3/3

10:54 am-11:13 pm

2 stops13h 19m

Los Angeles

Sat 3/7

9:00 pm-9:20 am

2 stops11h 20m

$319

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 2/27

12:25 pm-5:44 pm

1 stop6h 19m

Los Angeles

Tue 3/3

2:56 pm-8:44 pm

1 stop4h 48m

$354

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Wed 3/11

12:00 pm-5:51 pm

1 stop6h 51m

Los Angeles

Sun 3/15

5:00 am-11:05 am

1 stop5h 05m

$366

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 3/5

2:45 pm-9:44 pm

1 stop7h 59m

Los Angeles

Sun 3/8

5:00 am-11:05 am

1 stop5h 05m

$374

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Mon 3/9

12:57 pm-1:52 pm

1 stop25h 55m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 16 results
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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 18, 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 18, 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
9,312 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

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
9,312 reviews
United Airlines
7.4
Good
9,312 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

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 5h 32m. 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, 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$416FlexibilityNo cancel feeOn-time69%

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