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Santa Rosa

$79+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STS
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Santa Rosa Sonoma County are usually found in January or May, booked 54 days in advance, depart on a Tuesday or Saturday 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 July 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 12/119:25 am
LAX
-
STS
Nonstop1h 42m
Alaska Airlines
Mon 12/145:31 pm
STS
-
LAX
Nonstop1h 40m
Alaska Airlines
Deal found 7/21$227
This Southwest deal was found by Cheapflights users on 7/18. 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 8/87:50 am
LAX
-
STS
1 stop4h 15m
Southwest
Sat 8/296:00 am
STS
-
LAX
2 stops8h 35m
Southwest
Deal found 7/18$228
This CheapOair deal was found by Cheapflights users on 7/20. 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.
Fri 8/145:00 pm
LAX
-
STS
Nonstop1h 43m
Alaska Airlines
Thu 8/204:36 pm
STS
-
LAX
Nonstop1h 41m
Alaska Airlines
Deal found 7/20$231
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/217:55 pm
LAX
-
STS
Nonstop1h 36m
Alaska Airlines
Sat 8/297:10 am
STS
-
LAX
Nonstop1h 34m
Alaska Airlines
Deal found 7/21$232
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/204:32 pm
LAX
-
STS
Nonstop1h 44m
Alaska Airlines
Sat 8/226:13 am
STS
-
LAX
2 stops14h 21m
Alaska Airlines
Deal found 7/21$233
This Expedia deal was found by Cheapflights users on 7/20. 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.
Thu 9/104:34 pm
LAX
-
STS
Nonstop1h 44m
Alaska Airlines
Sun 9/137:10 am
STS
-
LAX
Nonstop1h 34m
Alaska Airlines
Deal found 7/20$235
This Southwest deal was found by Cheapflights users on 7/19. 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.
Thu 8/273:15 pm
LAX
-
STS
2 stops7h 20m
Southwest
Sun 8/307:05 am
STS
-
LAX
2 stops8h 30m
Southwest
Deal found 7/19$237
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 8/227:59 pm
LAX
-
STS
Nonstop1h 36m
American Airlines
Thu 8/2712:58 pm
STS
-
LAX
1 stop5h 39m
American Airlines
Deal found 7/21$238
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/217:55 pm
LAX
-
STS
Nonstop1h 36m
Alaska Airlines
Thu 8/274:36 pm
STS
-
LAX
Nonstop1h 41m
Alaska Airlines
Deal found 7/21$242
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/217:55 pm
LAX
-
STS
Nonstop1h 36m
Alaska Airlines
Mon 8/247:10 am
STS
-
LAX
Nonstop1h 34m
Alaska Airlines
Deal found 7/19$244
This Southwest deal was found by Cheapflights users on 7/19. 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.
Fri 12/116:15 am
LAX
-
STS
1 stop7h 25m
Southwest
Tue 1/122:20 pm
STS
-
LAX
1 stop3h 45m
Southwest
Deal found 7/19$247
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/207:55 pm
LAX
-
STS
Nonstop1h 36m
American Airlines
Thu 8/2712:58 pm
STS
-
LAX
1 stop5h 39m
American Airlines
Deal found 7/21$248

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 July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Alaska Airlines)

One-way from

$79
(Southwest)

Popular in

June

Cheapest in

January

Average price

$287
Provider with most accurate pricing for Los Angeles-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-San Francisco flights.
Search Deals
From Riverside to Santa Rosa Sonoma County
Search Deals
One-way flight from Riverside to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 21, 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

Cheapest round-trip

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Sat 8/15

9:00 am-10:45 am

Nonstop1h 45m

Santa Rosa Sonoma County

Tue 8/18

11:35 am-1:15 pm

Nonstop1h 40m

$227

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 8/12

5:20 am-11:20 am

1 stop6h 00m

Santa Rosa Sonoma County

Wed 8/12

1:40 pm-5:30 pm

1 stop3h 50m

$247

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Sat 8/22

7:16 am-2:12 pm

2 stops6h 56m

Santa Rosa Sonoma County

Sun 8/23

7:10 am-8:44 am

Nonstop1h 34m

$263
Quickest round-trip

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Mon 9/7

7:55 pm-9:31 pm

Nonstop1h 36m

Santa Rosa Sonoma County

Thu 9/10

12:01 pm-1:33 pm

Nonstop1h 32m

$276

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 8/21

7:55 pm-9:31 pm

Nonstop1h 36m

Santa Rosa Sonoma County

Mon 8/24

6:13 am-5:22 pm

2 stops11h 09m

$288

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 8/12

2:09 pm-3:55 pm

Nonstop1h 46m

Santa Rosa Sonoma County

Wed 8/12

5:35 pm-7:15 pm

Nonstop1h 40m

$289

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Thu 10/8

3:10 pm-11:15 pm

2 stops8h 05m

Santa Rosa Sonoma County

Sun 10/11

6:10 am-12:40 pm

2 stops6h 30m

$313

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Mon 9/14

7:55 pm-9:31 pm

Nonstop1h 36m

Santa Rosa Sonoma County

Fri 9/18

5:34 pm-9:34 am

1 stop16h 00m

$320

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 8/14

3:55 pm-10:35 pm

2 stops6h 40m

Santa Rosa Sonoma County

Sun 8/16

7:05 am-3:35 pm

2 stops8h 30m

$337

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 7/29

5:35 am-11:05 am

1 stop5h 30m

Santa Rosa Sonoma County

Fri 7/31

3:55 pm-7:45 pm

1 stop3h 50m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 21 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

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 July 21, 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 32% versus a flight at noon.

Weekly flight availability from Riverside to Santa Rosa

Explore weekly flight availability from Riverside to Santa Rosa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 21, 2026.

The most flights from R1V to STS are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Riverside to Santa Rosa?

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 July 18, 2026.

Travelers seeking maximum savings on their Riverside to Santa Rosa flight should consider departing on Friday evenings 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 July 21, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Hawaiian Airlines, andAmerican 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.
Alaska Airlines
7.9
Good
12,688 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
7.9
Good
12,688 reviews
Alaska Airlines
7.9
Good
12,688 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,823 reviews
Alaska Airlines
7.9
Good
12,688 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.1
Good
11,836 reviews
Alaska Airlines
7.9
Good
12,688 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 8 flights from Riverside to Sonoma County per day from 3 different airlines.

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

    Within the past month, 4 users have taken a look at flights from Riverside to Santa Rosa Sonoma County.

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

    Airlines like Alaska Airlines and Southwest fly from Riverside to Santa Rosa in about 1h 45m. The time it takes to get you to your destination can typically vary by up to 4h 15m. Riverside and Santa Rosa are separated by a distance of 399 mi. This flight may include one or multiple stops.

  • 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 $78. 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: Qatar Airways (96%), Iberia (94%), SkyWest Airlines (93%).

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

    On average you can expect to pay $373 for a flight from Riverside to Santa Rosa. The cheapest flight overall is $143 while the most popular route, (Los Angeles - Santa Rosa Sonoma County) is currently priced at $167.

  • 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.

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

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Top 3 airlines flying from Riverside to Santa Rosa

Discover the top 3 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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$107Average$416FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$117Average$279FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$127Average$324FlexibilityNo cancel feeOn-time85%

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