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$69+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — STS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Santa Rosa Sonoma County are usually found in January or February, booked 52 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap 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 junio 12, 2025.

Round-trip from

$137
(Alaska Airlines)

One-way from

$69
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$369

Good round-trip deal

$277 or less

Good one-way deal

$138 or less
From San Diego to Santa Rosa Sonoma County
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One-way flight from San Diego to Santa Rosa Sonoma County
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Highest demand for flights based on searches. 10% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from San Diego to Santa Rosa Sonoma County.
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Price to beat on a one-way flight from San Diego to Santa Rosa Sonoma County.
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Find 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 junio 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/99:59 pmSAN - STS
Nonstop1h 51mAlaska Airlines
mié. 7/166:00 amSTS - SAN
Nonstop1h 40mAlaska Airlines
Deal found 6/11$137
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/98:10 amSAN - STS
1 stop6h 15mHawaiian Airlines
mié. 7/166:00 amSTS - SAN
Nonstop1h 40mHawaiian Airlines
Deal found 6/11$147
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/99:50 amSAN - STS
1 stop5h 46mAmerican Airlines
mar. 7/151:01 pmSTS - SAN
1 stop6h 17mAmerican Airlines
Deal found 6/11$159

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 junio 12, 2025.
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

mié. 7/9

9:59 pm-11:50 pm

Nonstop1h 51m

Santa Rosa Sonoma County

mié. 7/16

6:00 am-7:40 am

Nonstop1h 40m

$137

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

mié. 7/9

8:10 am-2:25 pm

1 stop6h 15m

Santa Rosa Sonoma County

mié. 7/16

6:00 am-7:40 am

Nonstop1h 40m

$147

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

mié. 7/9

9:50 am-3:36 pm

1 stop5h 46m

Santa Rosa Sonoma County

mar. 7/15

1:01 pm-7:18 pm

1 stop6h 17m

$159

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

mié. 7/9

9:59 pm-11:50 pm

Nonstop1h 51m

$69

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

jue. 7/10

9:50 am-3:36 pm

1 stop5h 46m

$80

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

lun. 8/4

9:59 pm-11:50 pm

Nonstop1h 51m

$139

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

vie. 6/20

9:42 am-7:43 pm

2 stops10h 01m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Santa Rosa, you should look to book at least 52 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, February is the cheapest month in which you can book a flight from San Diego to Santa Rosa (average of $202). Flying from San Diego 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 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 junio 12, 2025.

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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 19% on airfare.

Weekly flight availability from San Diego to Santa Rosa

Explore weekly flight availability from San Diego 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 junio 12, 2025.

The most flights from SAN to STS are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines and American Airlines from San Diego to Santa Rosa by reading reviews from past customers. 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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airports do I use to fly from San Diego to Santa Rosa?

    If you wish to fly to Santa Rosa from San Diego, then you need to book flights from San Diego to Santa Rosa Sonoma County. There are 5 flights from San Diego (SAN) to Sonoma County (STS) per day to choose from. Flights to Santa Rosa from San Diego are available from 3 different airlines, which means you should have some options if you want to compare airfare deals. 1h 47m is how long a nonstop flight from San Diego to Santa Rosa Sonoma County typically takes.

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

    Flights from San Diego to Santa Rosa Sonoma County have been viewed 6 times in the past calendar month.

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

    Alaska Airlines, at $137, 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 55% 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 $69. However, be on the lookout for offers from American Airlines and Hawaiian 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: SkyWest Airlines (79%), American Airlines (79%), Alaska Airlines (79%).

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

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (San Diego - Santa Rosa Sonoma County) can be booked for $137 on average our data indicates $297 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, February is the cheapest month in which you can book a flight from San Diego to Santa Rosa (average of $202). Flying from San Diego 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
Fort Bragg
Ukiah

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$166Average$295FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$216Average$440FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$227Average$302FlexibilityNo cancel feeOn-time85%

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