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$184+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LAX
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
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 March 4, 2026.

This United Airlines deal was found by Cheapflights users on 3/3. 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 4/95:27 am
RAP
-
LAX
1 stop4h 54m
United Airlines
Fri 4/172:53 pm
LAX
-
RAP
1 stop6h 34m
United Airlines
Deal found 3/3$279
This Delta deal was found by Cheapflights users on 3/1. 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 4/911:03 am
RAP
-
LAX
2 stops13h 49m
Delta
Fri 4/171:00 pm
LAX
-
RAP
1 stop8h 20m
Delta
Deal found 3/1$284
This Delta deal was found by Cheapflights users on 3/3. 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 3/314:01 pm
RAP
-
LAX
2 stops8h 54m
Delta
Tue 4/79:40 pm
LAX
-
RAP
2 stops11h 40m
Delta
Deal found 3/3$309
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 4/265:57 pm
RAP
-
LAX
1 stop15h 21m
Multiple Airlines
Sun 5/36:15 am
LAX
-
RAP
2 stops27h 27m
Multiple Airlines
Deal found 2/28$323
This United Airlines deal was found by Cheapflights users on 2/28. 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 3/182:45 pm
RAP
-
LAX
1 stop5h 28m
United Airlines
Wed 3/252:55 pm
LAX
-
RAP
1 stop4h 39m
United Airlines
Deal found 2/28$330
This Delta deal was found by Cheapflights users on 3/2. 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 29m
Delta
Deal found 3/2$349
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 5/145:57 pm
RAP
-
LAX
1 stop15h 21m
Multiple Airlines
Sun 5/176:15 am
LAX
-
RAP
2 stops27h 27m
Multiple Airlines
Deal found 2/27$355
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/147:00 am
RAP
-
LAX
1 stop7h 01m
United Airlines
Sat 4/184:10 pm
LAX
-
RAP
1 stop5h 17m
United Airlines
Deal found 3/1$359
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Mon 5/1811:32 am
RAP
-
LAX
1 stop27h 58m
Multiple Airlines
Sat 5/238:48 pm
LAX
-
RAP
1 stop15h 51m
Multiple Airlines
Deal found 3/2$363
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/3010:00 am
RAP
-
LAX
1 stop6h 02m
United Airlines
Thu 5/148:45 am
LAX
-
RAP
1 stop7h 15m
United Airlines
Deal found 3/2$365

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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$137
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$460
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
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 4, 2026.
Use the filters below to find and compare flights from Rapid City to Riverside that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 4/10

5:27 am-9:21 am

1 stop4h 54m

Los Angeles

Tue 4/14

2:53 pm-8:44 pm

1 stop4h 51m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 4/9

5:27 am-9:21 am

1 stop4h 54m

Los Angeles

Fri 4/17

2:53 pm-10:27 pm

1 stop6h 34m

$279

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 5/14

2:35 pm-8:44 pm

1 stop7h 09m

Los Angeles

Sun 5/17

5:00 am-1:09 pm

1 stop7h 09m

$309

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-1:44 pm

1 stop6h 29m

$349

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 4/9

11:03 am-11:52 pm

2 stops13h 49m

Los Angeles

Fri 4/17

9:35 pm-10:17 am

2 stops11h 42m

$359

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Tue 4/14

7:00 am-1:01 pm

1 stop7h 01m

Los Angeles

Sat 4/18

4:10 pm-10:27 pm

1 stop5h 17m

$359

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Thu 4/30

10:00 am-3:02 pm

1 stop6h 02m

Los Angeles

Thu 5/14

8:45 am-5:00 pm

1 stop7h 15m

$365

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 4/10

11:32 am-9:34 am

1 stop23h 02m

Los Angeles

Sat 4/11

8:35 pm-5:07 pm

2 stops19h 32m

$397

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Fri 4/10

6:00 am-1:25 pm

1 stop8h 25m

Los Angeles

Tue 4/14

9:35 pm-10:17 am

2 stops11h 42m

$404

Rapid CityLos Angeles

RAP - LAX

RAPLAX

Rapid City

Mon 6/29

5:21 pm-10:41 am

1 stop18h 20m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 14 resultsSorted by cheapest first
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 $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 March 4, 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 March 4, 2026.
See what other customers who have flown with Delta and 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.
Delta
7.9
Good
8,245 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,245 reviews
Delta
7.9
Good
8,245 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,382 reviews
Delta
7.9
Good
8,245 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $279, United Airlines can have you in Riverside from Rapid City in 4h 54m. 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 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$401FlexibilityNo cancel feeOn-time69%
DeltaCheapest$293Average$368FlexibilityNo cancel feeOn-timeN/A

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