In terms of precipitation, rainfall in Riverside ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Riverside when rainfall is around 0.0 in.

If weather is an important factor for your trip to Riverside, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What is the cheapest time of day to fly from RAP to R1V?

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.

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.

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.

Find Cheap Flights from Rapid City to Riverside

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Find flight deals from Rapid City to Riverside

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	March
Cheapest in	January
Average price	$443

Provider with most accurate pricing for Rapid City-Los Angeles flight deals.

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Provider most trusted by Cheapflights users for Rapid City-Los Angeles flights.

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Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Reviews of airlines servicing Riverside

See what other customers who have flown with United Airlines and American 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

10,289 reviews

Reviews

1 / 20

4.0

Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

United Airlines

7.4

Good

10,289 reviews

United Airlines

7.4

Good

10,289 reviews

Reviews

1 / 20

4.0

Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

American Airlines

7.0

Good

12,129 reviews

United Airlines

7.4

Good

10,289 reviews

Reviews

1 / 20

4.0

Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

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.
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.

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Top 2 airlines flying from Rapid City to Riverside

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$278	Average$406	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$328	Average$338	FlexibilityNo cancel fee	On-time71%

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Find cheap flights from Rapid City to Riverside with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Rapid City to Riverside

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Riverside

See what other customers who have flown with United Airlines and American 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.

Related info for your journey

What airport do you fly from for flights from Rapid City to Riverside?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Riverside

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Riverside by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Rapid City to Riverside by cabin class

Find flights from Rapid City to Riverside, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Rapid City and Riverside flights

Browse other Rapid City and Riverside flight options. Last updated on October 6, 2026.

Other flights from Rapid City

Browse through other flights departing from Rapid City. Flights are based on user searches made on Cheapflights and were last updated on October 6, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Rapid City to Riverside flights

Consider these flights traveling from Rapid City to Riverside.

Top 2 airlines flying from Rapid City to Riverside

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Book with Flexibility

Travel Smart

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

Find cheap flights from Rapid City to Riverside with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Rapid City to Riverside

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Riverside

See what other customers who have flown with United Airlines and American 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.

Related info for your journey

What airport do you fly from for flights from Rapid City to Riverside?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Riverside

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Riverside by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Rapid City to Riverside by cabin class

Find flights from Rapid City to Riverside, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Rapid City and Riverside flights

Browse other Rapid City and Riverside flight options. Last updated on October 6, 2026.

Other flights from Rapid City

Browse through other flights departing from Rapid City. Flights are based on user searches made on Cheapflights and were last updated on October 6, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Rapid City to Riverside flights

Consider these flights traveling from Rapid City to Riverside.

Top 2 airlines flying from Rapid City to Riverside

100% Free

Book with Flexibility

Travel Smart