Santa Rosa

$69+ Cheap flights from Riverside, CA to Santa Rosa (STS)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STS
Apr 2 — Apr 91
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Cheapflights Tip: The best prices from Riverside to Santa Rosa Sonoma County are usually found in July or May, booked 54 days in advance, depart on a Wednesday or Sunday and return on a Thursday

Cheap flight deals from Riverside to Santa Rosa

Cheapest flights from Riverside to Santa Rosa
Explore the most affordable flight options available from Riverside to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.

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 4/210:13 pm
LAX
-
STS
Nonstop1h 46m
Hawaiian Airlines
Mon 4/67:53 pm
STS
-
LAX
Nonstop1h 38m
Hawaiian Airlines
Deal found 2/27$87
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:43 am
LAX
-
STS
Nonstop1h 47m
Alaska Airlines
Mon 4/1312:10 pm
STS
-
LAX
Nonstop1h 39m
Alaska Airlines
Deal found 2/27$97
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:13 pm
LAX
-
STS
Nonstop1h 46m
Hawaiian Airlines
Mon 3/3012:10 pm
STS
-
LAX
Nonstop1h 39m
Hawaiian Airlines
Deal found 3/3$106
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:27 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Mon 3/3012:10 pm
STS
-
LAX
Nonstop1h 39m
Alaska Airlines
Deal found 3/3$117
This Expedia deal was found by Cheapflights users on 2/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:15 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Sun 4/267:00 am
STS
-
LAX
Nonstop1h 46m
Alaska Airlines
Deal found 2/26$132
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:13 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Wed 3/257:05 am
STS
-
LAX
Nonstop1h 56m
Alaska Airlines
Deal found 2/27$137
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:13 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Sun 3/297:05 am
STS
-
LAX
Nonstop1h 56m
Alaska Airlines
Deal found 3/3$142
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:20 am
LAX
-
STS
1 stop6h 05m
Southwest
Mon 4/274:40 pm
STS
-
LAX
2 stops6h 40m
Southwest
Deal found 3/3$156
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:35 pm
LAX
-
STS
2 stops6h 35m
Southwest
Tue 4/146:00 am
STS
-
LAX
2 stops9h 30m
Southwest
Deal found 3/2$161
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2710:13 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Mon 3/307:53 pm
STS
-
LAX
Nonstop1h 38m
Alaska Airlines
Deal found 2/27$162
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:15 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Mon 5/46:51 pm
STS
-
LAX
Nonstop1h 42m
Alaska Airlines
Deal found 2/28$167

Find flight deals from Riverside to Santa Rosa

Keep the following information in mind while searching for Riverside to Santa Rosa flight deals. Data was last updated March 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$87
(Kiwi.com)

One-way from

$69
(Alaska Airlines)

Popular in

November

Cheapest in

July

Average price

$257
Provider with most accurate pricing for Los Angeles-San Francisco flight deals.
Provider most trusted by Cheapflights users for Los Angeles-San Francisco flights.
From Riverside to Santa Rosa Sonoma County
One-way flight from Riverside to Santa Rosa Sonoma County
Highest demand for flights based on searches. 5% potential increase in price ($13 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Santa Rosa 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 3, 2026.
Use the filters below to find and compare flights from Riverside to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 5/1

9:15 pm-11:01 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Mon 5/4

6:51 pm-8:33 pm

Nonstop1h 42m

$167

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Mon 3/23

10:13 pm-11:59 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Fri 3/27

7:53 pm-9:31 pm

Nonstop1h 38m

$172

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Sun 3/29

10:13 pm-11:59 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Thu 4/2

7:05 am-9:01 am

Nonstop1h 56m

$172

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Tue 4/21

5:27 pm-7:13 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Fri 4/24

7:46 pm-9:10 am

1 stop13h 24m

$200

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Thu 4/9

9:43 am-11:30 am

Nonstop1h 47m

Santa Rosa Sonoma County

Mon 4/13

7:02 pm-9:48 am

1 stop14h 46m

$200

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Sat 4/4

7:00 am-9:03 am

1 stop26h 03m

Santa Rosa Sonoma County

Mon 4/6

7:53 pm-9:31 pm

Nonstop1h 38m

$200

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 4/17

10:13 pm-11:59 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Tue 4/21

7:30 am-5:06 pm

1 stop9h 36m

$215

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 3/25

10:13 pm-11:59 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Fri 3/27

6:53 pm-9:09 am

1 stop14h 16m

$220

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Thu 3/26

10:13 pm-11:59 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Sat 3/28

6:53 pm-9:09 am

1 stop14h 16m

$225

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 3/18

10:13 pm-11:59 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Sat 3/21

7:05 am-9:01 am

Nonstop1h 56m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Riverside to Santa Rosa

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

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

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Santa Rosa. Price data was last updated on February 27, 2026.

The best time to book flights from Riverside to Santa Rosa is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Riverside to Santa Rosa (average of $28). Flying from Riverside to Santa Rosa in July is currently the most expensive (average of $57). 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 R1V to STS?

Find hourly flight availability from Riverside to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2026.

When flying from Riverside to Santa Rosa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Riverside to Santa Rosa. Price data was last updated on February 21, 2026.

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

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated March 3, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines, and Avelo Airlines from Riverside to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Avelo Airlines
7.6
Good

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

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

    If you book a flight to Santa Rosa from Riverside, you will be flying to Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa. There are 4 flights from Riverside to Sonoma County per day from 5 different airlines.

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

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

    Airlines like Alaska Airlines fly from Riverside to Santa Rosa in about 1h 46m. The time it takes to get you to your destination is usually consistent. Riverside and Santa Rosa are separated by a distance of 399 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Riverside to Santa Rosa one-way?

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $68. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from Riverside to Santa Rosa for a low price.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Riverside to Santa Rosa on time: American Airlines (85%), SkyWest Airlines (79%), Iberia (78%).

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

    On average you can expect to pay $260 for a flight from Riverside to Santa Rosa. The cheapest flight overall is $78 while the most popular route, (Los Angeles - Santa Rosa Sonoma County) is currently priced at $97.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Riverside to Santa Rosa (average of $28). Flying from Riverside to Santa Rosa in July is currently the most expensive (average of $57). 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

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Alternative routes for Riverside to Santa Rosa

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

Top 5 airlines flying from Riverside to Santa Rosa

Discover the top 5 airlines that operate flights from Riverside to Santa Rosa. 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$134FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$47Average$129FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$117Average$265FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$298FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$222Average$334FlexibilityNo cancel feeOn-time71%

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