HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Riverside

$78+ Cheap flights from Santa Rosa (STS) 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LAX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Riverside with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Riverside are usually found in January or July, booked 40 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Find flight deals from Santa Rosa to Riverside

Cheapest flights from Santa Rosa to Riverside
Explore the most affordable flight options available from Santa Rosa to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:59 pmSTS - LAX
Nonstop1h 32mAlaska Airlines
Sun 12/148:28 amLAX - STS
Nonstop1h 51mAlaska Airlines
Deal found 10/28$146
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:00 amSTS - LAX
Nonstop1h 52mAlaska Airlines
Sun 12/710:09 pmLAX - STS
Nonstop1h 43mAlaska Airlines
Deal found 10/29$147
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:59 pmSTS - LAX
Nonstop1h 32mAlaska Airlines
Sun 12/148:28 amLAX - STS
Nonstop1h 51mAlaska Airlines
Deal found 10/28$156
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:37 pmSTS - LAX
Nonstop1h 44mAlaska Airlines
Sun 12/2110:32 pmLAX - STS
Nonstop1h 46mAlaska Airlines
Deal found 10/28$157
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:57 pmSTS - LAX
1 stop5h 21mAmerican Airlines
Mon 12/86:10 amLAX - STS
1 stop6h 17mAmerican Airlines
Deal found 10/28$159
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/271:36 pmSTS - LAX
Nonstop1h 41mAlaska Airlines
Tue 12/23:43 pmLAX - STS
Nonstop1h 36mAlaska Airlines
Deal found 10/27$167
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:59 pmSTS - LAX
Nonstop1h 32mAlaska Airlines
Thu 12/410:09 pmLAX - STS
Nonstop1h 43mAlaska Airlines
Deal found 10/28$172
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/47:00 amSTS - LAX
Nonstop1h 52mHawaiian Airlines
Mon 12/84:04 pmLAX - STS
1 stop25h 59mHawaiian Airlines
Deal found 10/30$174
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 amSTS - LAX
Nonstop1h 50mAlaska Airlines
Wed 11/194:18 pmLAX - STS
Nonstop1h 36mAlaska Airlines
Deal found 10/29$175
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:00 amSTS - LAX
Nonstop1h 52mAlaska Airlines
Fri 12/1910:32 pmLAX - STS
Nonstop1h 46mAlaska Airlines
Deal found 10/28$183
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amSTS - LAX
1 stop5h 40mAlaska Airlines
Tue 12/237:50 pmLAX - STS
1 stop3h 50mAlaska Airlines
Deal found 10/28$186

Cheap flight deals from Santa Rosa to Riverside

Keep the following information in mind while searching for Santa Rosa to Riverside flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$146
(Cheapflightsfares)

One-way from

$78
(Alaska Airlines)

Popular in

February

Cheapest in

January

Average price

$211
Provider with most accurate pricing for San Francisco-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Los Angeles flights.
Search Deals
From Santa Rosa Sonoma County to Riverside
Search Deals
One-way flight from Santa Rosa Sonoma County to Riverside
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($1 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa 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 October 30, 2025.
Use the filters below to find and compare flights from Santa Rosa to Riverside that are best for you.

Fly from

Santa Rosa

Fly to

Riverside

Route

Depart

Return

Price

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Fri 2/20

6:15 pm-7:57 pm

Nonstop1h 42m

Los Angeles

Sat 2/28

8:59 pm-10:35 pm

Nonstop1h 36m

$147

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 1/1

3:53 pm-5:25 pm

Nonstop1h 32m

Los Angeles

Sun 1/4

8:38 am-10:34 am

Nonstop1h 56m

$147

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Fri 12/12

5:59 pm-7:31 pm

Nonstop1h 32m

Los Angeles

Mon 12/15

10:09 pm-11:52 pm

Nonstop1h 43m

$147

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sat 2/14

8:00 am-9:42 am

Nonstop1h 42m

Los Angeles

Sun 2/15

11:20 am-12:56 pm

Nonstop1h 36m

$147

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 12/3

7:00 am-8:52 am

Nonstop1h 52m

Los Angeles

Sun 12/7

10:09 pm-11:52 pm

Nonstop1h 43m

$147

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 12/4

7:00 am-8:52 am

Nonstop1h 52m

Los Angeles

Sun 12/7

10:09 pm-11:52 pm

Nonstop1h 43m

$147

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Mon 12/29

6:37 pm-8:21 pm

Nonstop1h 44m

Los Angeles

Thu 1/1

10:32 pm-12:18 am

Nonstop1h 46m

$167

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sat 12/20

3:53 pm-5:25 pm

Nonstop1h 32m

Los Angeles

Tue 12/23

10:32 pm-12:18 am

Nonstop1h 46m

$167

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 11/13

8:07 pm-9:47 pm

Nonstop1h 40m

Los Angeles

Mon 11/17

9:05 pm-10:47 pm

Nonstop1h 42m

$177

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 11/20

8:07 pm-9:47 pm

Nonstop1h 40m

Los Angeles

Sun 11/23

10:15 pm-11:56 pm

Nonstop1h 41m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Santa Rosa to Riverside

Have a flexible travel schedule? Discover the best time to fly to Riverside from Santa Rosa 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 Santa Rosa to Riverside

How far ahead should I book a flight from Santa Rosa to Riverside?

Use this chart to determine the optimal time to book a round-trip flight from Santa Rosa to Riverside. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Santa Rosa to Riverside, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Santa Rosa to Riverside?

Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Riverside (average of $19). Flying from Santa Rosa to Riverside in September is currently the most expensive (average of $60). 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 STS to R1V?

Find hourly flight availability from Santa Rosa 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 October 30, 2025.

It’s typically best to fly out from Santa Rosa to Riverside in the morning. Doing so could potentially save you 14% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Santa Rosa to Riverside?

Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to Riverside. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Santa Rosa to Riverside flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and Avelo Airlines from Santa Rosa 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.
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
11,214 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Hawaiian Airlines
7.8
Good
2,797 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Avelo Airlines
7.5
Good
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
American Airlines
7.2
Good
11,030 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,123 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa 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 Santa Rosa to Riverside?

    Santa Rosa Sonoma County (STS), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Santa Rosa to Riverside. 5 airlines have flights from Sonoma County to Riverside on a regular basis. Booking flights from Santa Rosa Sonoma County to Riverside should not be difficult; the airport handles an average of 6 outbound flights to Riverside per day.

  • How popular is this Santa Rosa to Riverside flight route?

    Flights from Santa Rosa Sonoma County to Riverside have been viewed 3 times in the past calendar month.

  • How long is the flight from Santa Rosa to Riverside?

    Alaska Airlines can get you from Santa Rosa to Riverside in just under 1h 42m. Your travel time will be generally consistent. The distance from Santa Rosa to Riverside is about 399 mi. Generally, flights for this route are nonstop.

  • What are the most reliable airlines from Santa Rosa to Riverside?

    No one likes to see their flight delayed. When booking a flight from Santa Rosa to Riverside consider choosing Iberia (100%), Air Tahiti Nui (93%) or Qatar Airways (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Santa Rosa to Riverside?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Santa Rosa Sonoma County - Los Angeles) can be booked for $128 on average, our data indicates $240 when flying from Santa Rosa to Riverside.

  • Can I find deals for flights from Santa Rosa to Riverside that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Riverside flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Riverside?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Riverside.

  • Can I find deals for business class flights from Santa Rosa to Riverside?

    Yes. Cheapflights offers flight deals from Santa Rosa 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 Santa Rosa to Riverside?

    Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Riverside (average of $19). Flying from Santa Rosa to Riverside in September is currently the most expensive (average of $60). 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

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

Alternative routes for Santa Rosa to Riverside

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
San Francisco to Las Vegas flights
Los Angeles to Las Vegas flights
Santa Ana to San Francisco flights
San Francisco to Santa Ana flights
San Francisco to Ontario flights
Burbank to Las Vegas flights
San Jose to Las Vegas flights
Ontario to San Francisco flights
Los Angeles to Sacramento flights
Los Angeles to San Jose flights
San Jose to Los Angeles flights
Ontario to Las Vegas flights
Santa Ana to Las Vegas flights
Sacramento to Los Angeles flights
San Francisco to San Diego flights
Burbank to San Francisco flights
Sacramento to Las Vegas flights
San Francisco to Palm Springs flights
San Francisco to Burbank flights
Oakland to Las Vegas flights
San Diego to Las Vegas flights
San Diego to San Francisco flights
Las Vegas to Los Angeles flights
Sacramento to Ontario flights
Las Vegas to Burbank flights
San Jose to Ontario flights
Reno to Las Vegas flights
Santa Ana to San Jose flights
Los Angeles to Reno flights
Fresno to Las Vegas flights
Las Vegas to Santa Ana flights
Ontario to Sacramento flights
San Jose to Santa Ana flights
San Jose to San Diego flights
Ontario to San Jose flights
Santa Ana to Sacramento flights
Stockton to Las Vegas flights
Las Vegas to San Francisco flights
Oakland to Santa Ana flights
Sacramento to San Diego flights
Las Vegas to Ontario flights
Sacramento to Santa Ana flights
Reno to Los Angeles flights
Long Beach to San Francisco flights
San Diego to San Jose flights
San Francisco to Long Beach flights
Palm Springs to San Francisco flights
Las Vegas to San Diego flights

Top 5 airlines flying from Santa Rosa to Riverside

Discover the top 5 airlines that operate flights from Santa Rosa 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$19Average$93FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$55Average$110FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$131Average$280FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$217FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$177Average$339FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights