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Santa Rosa

$68+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STS
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Santa Rosa Sonoma County are usually found in September or January, booked 69 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap 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 August 13, 2025.

Round-trip from

$137
(Alaska Airlines)

One-way from

$68
(Hawaiian Airlines)

Popular in

November

Cheapest in

September

Average price

$277
From Riverside to Santa Rosa Sonoma County
Search Deals
One-way flight from Riverside to Santa Rosa Sonoma County
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Highest demand for flights based on searches. 1% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/2610:17 pmLAX - STS
Nonstop1h 42mAlaska Airlines
Tue 9/307:03 amSTS - LAX
Nonstop1h 42mAlaska Airlines
Deal found 8/12$137
This Hawaiian Airlines deal was found by Cheapflights users on 8/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:17 pmLAX - STS
Nonstop1h 42mHawaiian Airlines
Tue 9/1610:23 amSTS - LAX
1 stop4h 38mHawaiian Airlines
Deal found 8/12$147
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/109:30 amLAX - STS
Nonstop1h 44mAlaska Airlines
Wed 9/103:07 pmSTS - LAX
Nonstop1h 38mAlaska Airlines
Deal found 8/13$151
This Hawaiian Airlines deal was found by Cheapflights users on 8/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:58 pmLAX - STS
Nonstop1h 35mHawaiian Airlines
Fri 10/317:45 amSTS - LAX
Nonstop1h 50mHawaiian Airlines
Deal found 8/12$157
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/119:55 amLAX - STS
1 stop5h 53mAmerican Airlines
Mon 9/154:19 pmSTS - LAX
1 stop5h 34mAmerican Airlines
Deal found 8/12$159
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 10/2211:29 amLAX - STS
1 stop6h 42mAlaska Airlines
Sun 11/97:45 amSTS - LAX
Nonstop1h 50mAlaska Airlines
Deal found 8/13$167
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/89:55 amLAX - STS
1 stop5h 53mAmerican Airlines
Wed 9/101:00 pmSTS - LAX
1 stop5h 39mAmerican Airlines
Deal found 8/13$173
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 10/109:58 pmLAX - STS
Nonstop1h 35mAlaska Airlines
Sun 10/1212:41 pmSTS - LAX
Nonstop1h 41mAlaska Airlines
Deal found 8/12$177
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Mon 9/159:55 amLAX - STS
1 stop5h 53mAmerican Airlines
Fri 9/191:00 pmSTS - LAX
1 stop5h 39mAmerican Airlines
Deal found 8/12$183
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/49:55 amLAX - STS
1 stop5h 53mAmerican Airlines
Fri 9/51:00 pmSTS - LAX
1 stop5h 39mAmerican Airlines
Deal found 8/12$184
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 8/275:30 pmLAX - STS
Nonstop1h 42mAlaska Airlines
Wed 9/310:23 amSTS - LAX
1 stop4h 38mAlaska Airlines
Deal found 8/13$187
This American Airlines deal was found by Cheapflights users on 8/11. 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 8/3010:00 amLAX - STS
1 stop5h 47mAmerican Airlines
Tue 9/212:59 pmSTS - LAX
1 stop5h 32mAmerican Airlines
Deal found 8/11$188

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 August 13, 2025.
Use the filters below to find and compare flights from Riverside to Santa Rosa that are best for you.

Fly from

Riverside

Fly to

Santa Rosa

Route

Depart

Return

Price

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Tue 11/11

4:18 pm-5:54 pm

Nonstop1h 36m

Santa Rosa Sonoma County

Mon 11/17

8:07 pm-9:47 pm

Nonstop1h 40m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Sun 11/9

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Tue 11/18

7:45 am-9:35 am

Nonstop1h 50m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 9/19

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Sat 9/20

7:03 am-8:45 am

Nonstop1h 42m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 9/19

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Thu 9/25

6:56 pm-8:37 pm

Nonstop1h 41m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 9/5

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Mon 9/8

7:03 am-8:45 am

Nonstop1h 42m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Mon 11/10

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Tue 11/18

7:45 am-9:35 am

Nonstop1h 50m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Thu 9/18

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Wed 9/24

3:07 pm-4:45 pm

Nonstop1h 38m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 9/19

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Tue 9/23

7:03 am-8:45 am

Nonstop1h 42m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 9/17

9:30 am-11:14 am

Nonstop1h 44m

Santa Rosa Sonoma County

Mon 9/22

3:07 pm-4:45 pm

Nonstop1h 38m

$137

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 9/26

10:17 pm-11:59 pm

Nonstop1h 42m

Santa Rosa Sonoma County

Mon 9/29

6:56 pm-8:37 pm

Nonstop1h 41m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 21 results
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 August 8, 2025.

The best time to book flights from Riverside to Santa Rosa is 64 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, February is the cheapest month in which you can book a flight from Riverside to Santa Rosa (average of $202). Flying from Riverside to Santa Rosa in June is currently the most expensive (average of $395). 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 August 13, 2025.

When flying from Riverside to Santa Rosa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 10, 2025.

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

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 August 13, 2025.

The most flights from R1V to STS are scheduled on a Monday (20 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (18 on average).

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 August 13, 2025.
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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,655 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Avelo Airlines
7.5
Good
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Frontier
5.8
Fair
3,221 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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 19 flights from Riverside to Sonoma County per day from 5 different airlines.

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

    Within the past month, 2 users have taken a look at flights from Riverside to Santa Rosa Sonoma County.

  • 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: Horizon Air (92%), Qatar Airways (89%), Alaska Airlines (86%).

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

    On average you can expect to pay $378 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 $117.

  • 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, February is the cheapest month in which you can book a flight from Riverside to Santa Rosa (average of $202). Flying from Riverside to Santa Rosa in June is currently the most expensive (average of $395). 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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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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$89FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$48Average$117FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$137Average$274FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$137Average$282FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$202Average$312FlexibilityNo cancel feeOn-time71%

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