HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santa Rosa

$64+ Cheap flights from San Diego to Santa Rosa (SAN - 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — STS
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Santa Rosa 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 San Diego to Santa Rosa Sonoma County are usually found in January or December, booked 75 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from San Diego to Santa Rosa

Cheapest flights from San Diego to Santa Rosa
Explore the most affordable flight options available from San Diego to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 4/85:06 pm
SAN
-
STS
Nonstop1h 59m
Alaska Airlines
Tue 4/147:46 pm
STS
-
SAN
Nonstop1h 43m
Alaska Airlines
Deal found 2/9$127
This Expedia deal was found by Cheapflights users on 2/9. 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.
Wed 3/255:06 pm
SAN
-
STS
Nonstop1h 59m
Alaska Airlines
Sat 3/287:46 pm
STS
-
SAN
Nonstop1h 43m
Alaska Airlines
Deal found 2/9$147
This Expedia deal was found by Cheapflights users on 2/9. 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.
Wed 4/85:06 pm
SAN
-
STS
Nonstop1h 59m
Alaska Airlines
Sun 4/129:50 am
STS
-
SAN
Nonstop1h 44m
Alaska Airlines
Deal found 2/9$157
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/39:44 am
SAN
-
STS
1 stop6h 03m
American Airlines
Wed 3/44:23 pm
STS
-
SAN
1 stop5h 16m
American Airlines
Deal found 2/9$159
This Expedia deal was found by Cheapflights users on 2/10. 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.
Fri 4/109:14 pm
SAN
-
STS
Nonstop1h 59m
Alaska Airlines
Sun 4/127:00 am
STS
-
SAN
Nonstop1h 58m
Alaska Airlines
Deal found 2/10$167
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 3/143:07 pm
SAN
-
STS
1 stop4h 10m
Alaska Airlines
Wed 4/17:46 pm
STS
-
SAN
Nonstop1h 43m
Alaska Airlines
Deal found 2/10$172
This Southwest deal was found by Cheapflights users on 2/8. 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.
Wed 4/158:15 am
SAN
-
STS
2 stops7h 40m
Southwest
Sat 4/186:05 am
STS
-
SAN
Nonstop1h 45m
Southwest
Deal found 2/8$175
This Southwest deal was found by Cheapflights users on 2/9. 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.
Mon 4/278:30 am
SAN
-
STS
Nonstop1h 50m
Southwest
Fri 5/14:40 pm
STS
-
SAN
Nonstop1h 40m
Southwest
Deal found 2/9$177
This Southwest deal was found by Cheapflights users on 2/9. 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 4/2811:30 am
SAN
-
STS
1 stop4h 25m
Southwest
Sun 5/35:05 pm
STS
-
SAN
Nonstop1h 40m
Southwest
Deal found 2/9$180
This Southwest deal was found by Cheapflights users on 2/8. 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 4/218:15 am
SAN
-
STS
2 stops7h 40m
Southwest
Sat 4/256:05 am
STS
-
SAN
Nonstop1h 45m
Southwest
Deal found 2/8$187

Find flight deals from San Diego to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Alaska Airlines)

One-way from

$64
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$327

Good round-trip deal

$262 or less

Good one-way deal

$173 or less
Provider with most accurate pricing for San Diego-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Santa Rosa Sonoma County flights.
Search Deals
From San Diego to Santa Rosa Sonoma County
Search Deals
One-way flight from San Diego to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from San Diego to Santa Rosa Sonoma County.
Search Deals
Price to beat on a one-way flight from San Diego to Santa Rosa Sonoma County.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 February 11, 2026.
Use the filters below to find and compare flights from San Diego to Santa Rosa that are best for you.

Fly from

San Diego

Fly to

Santa Rosa

Route

Depart

Return

Price

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 4/28

8:20 pm-10:10 pm

Nonstop1h 50m

Santa Rosa Sonoma County

Sun 5/3

5:05 pm-6:45 pm

Nonstop1h 40m

$157

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Mon 4/27

8:55 pm-10:40 pm

Nonstop1h 45m

Santa Rosa Sonoma County

Sat 5/2

6:05 am-7:50 am

Nonstop1h 45m

$157

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Sat 3/14

3:07 pm-7:17 pm

1 stop4h 10m

Santa Rosa Sonoma County

Wed 4/1

7:46 pm-9:29 pm

Nonstop1h 43m

$172

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Mon 4/20

8:30 am-10:20 am

Nonstop1h 50m

Santa Rosa Sonoma County

Mon 4/27

6:00 am-7:45 am

Nonstop1h 45m

$177

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Mon 4/27

8:30 am-10:20 am

Nonstop1h 50m

Santa Rosa Sonoma County

Sun 5/3

5:05 pm-6:45 pm

Nonstop1h 40m

$177

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Mon 4/27

8:55 pm-10:40 pm

Nonstop1h 45m

Santa Rosa Sonoma County

Fri 5/1

4:40 pm-6:20 pm

Nonstop1h 40m

$177

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 4/21

8:15 am-3:55 pm

2 stops7h 40m

Santa Rosa Sonoma County

Sat 4/25

6:05 am-7:50 am

Nonstop1h 45m

$187

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Mon 3/23

9:14 pm-11:13 pm

Nonstop1h 59m

Santa Rosa Sonoma County

Tue 3/31

7:00 am-8:58 am

Nonstop1h 58m

$207

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Mon 5/11

9:30 pm-11:27 pm

Nonstop1h 57m

$64

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Wed 5/6

8:55 am-10:58 am

Nonstop2h 03m

$64

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 18 results
1
2

Compare providers for flights from San Diego to Santa Rosa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Santa Rosa in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Santa Rosa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Santa Rosa

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Santa Rosa. Price data was last updated on February 6, 2026.

To ensure you get the cheapest price possible for a flight from San Diego to Santa Rosa, you should look to book at least 75 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 San Diego to Santa Rosa?

Currently, May is the cheapest month in which you can book a flight from San Diego to Santa Rosa (average of $28). Flying from San Diego to Santa Rosa in January is currently the most expensive (average of $100). 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 SAN to STS?

Find hourly flight availability from San Diego 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 February 11, 2026.

One of the essential ways to save on airfare from San Diego to Santa Rosa is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.

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 February 11, 2026.
Read reviews from past customers who have flown Alaska Airlines, Hawaiian Airlines, and American Airlines from San Diego to Santa Rosa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,875 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

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
8.0
Very good
11,875 reviews
Alaska Airlines
8.0
Very good
11,875 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

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
2,832 reviews
Alaska Airlines
8.0
Very good
11,875 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

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
7.2
Good
11,266 reviews
Alaska Airlines
8.0
Very good
11,875 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

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 San Diego to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this San Diego to Santa Rosa flight route?

    Flights from San Diego to Santa Rosa Sonoma County have been viewed 1 times in the past calendar month.

  • How long is the flight from San Diego to Santa Rosa?

    A quick flight from San Diego to Santa Rosa can take about 1h 50m. Southwest provides one of the quickest options available for as low as $157. Airlines will cover a distance of 508 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Diego to Santa Rosa round-trip?

    Alaska Airlines, at $157, was found to be the cheapest airline from San Diego to Santa Rosa.Alternate airlines to your destination round-trip include Hawaiian Airlines and American Airlines. Alaska Airlines is priced at 49% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from Hawaiian Airlines and American Airlines, as they are both options that can get you from San Diego to Santa Rosa for a low price.

  • What are the most reliable airlines from San Diego 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 San Diego to Santa Rosa on time: American Airlines (66%), SkyWest Airlines (65%), Alaska Airlines (59%).

  • What are the cheapest flights from San Diego to Santa Rosa?

    Looking at all options, your cheapest flight can be booked for $74. While the most popular route (San Diego - Santa Rosa Sonoma County) can be booked for $127 on average, our data indicates $285 when flying from San Diego to Santa Rosa.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Santa Rosa?

    Currently, May is the cheapest month in which you can book a flight from San Diego to Santa Rosa (average of $28). Flying from San Diego to Santa Rosa in January is currently the most expensive (average of $100). 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

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 San Diego to Santa Rosa

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

Top 3 airlines flying from San Diego to Santa Rosa

Discover the top 3 airlines that operate flights from San Diego 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$157Average$302FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$299FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$196Average$437FlexibilityNo 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.