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$70+ Cheap flights from Santa Rosa to San Diego (STS - SAN)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SAN
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to San Diego are usually found in January or February, booked 62 days in advance, depart on a Thursday or Saturday and return on a Saturday

Cheap flight deals from Santa Rosa to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to San Diego (SAN). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$212
(Mytrip)

One-way from

$70
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$267

Good round-trip deal

$271 or less

Good one-way deal

$163 or less
Provider with most accurate pricing for Santa Rosa Sonoma County-San Diego flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-San Diego flights.
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From Santa Rosa Sonoma County to San Diego
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One-way flight from Santa Rosa Sonoma County to San Diego
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Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Santa Rosa Sonoma County to San Diego.
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Price to beat on a one-way flight from Santa Rosa Sonoma County to San Diego.
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Find flight deals from Santa Rosa to San Diego

Cheapest flights from Santa Rosa to San Diego
Explore the most affordable flight options available from Santa Rosa to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/102:28 pmSTS - SAN
2 stops10h 14mMultiple Airlines
Sun 4/139:08 pmSAN - STS
1 stop16h 14mMultiple Airlines
Deal found 3/24$212
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 5/1212:37 pmSTS - SAN
1 stop19h 43mAlaska Airlines
Tue 5/137:45 pmSAN - STS
2 stops16h 20mAlaska Airlines
Deal found 3/24$221
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 4/171:00 pmSTS - SAN
1 stop5h 07mHawaiian Airlines
Sat 4/199:21 pmSAN - STS
Nonstop1h 59mHawaiian Airlines
Deal found 3/24$240
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 5/212:57 pmSTS - SAN
1 stop5h 31mAmerican Airlines
Mon 5/510:00 amSAN - STS
1 stop5h 41mAmerican Airlines
Deal found 3/25$247

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Rosa to San Diego 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 25, 2025.
Use the filters below to find and compare flights from Santa Rosa to San Diego that are best for you.

Fly from

Santa Rosa

Fly to

San Diego

Route

Depart

Return

Price

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Thu 4/10

2:28 pm-12:42 am

2 stops10h 14m

San Diego

Sun 4/13

9:08 pm-1:22 pm

1 stop16h 14m

$212

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Mon 5/12

12:37 pm-8:20 am

1 stop19h 43m

San Diego

Tue 5/13

7:45 pm-12:05 pm

2 stops16h 20m

$221

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Thu 4/17

1:00 pm-6:07 pm

1 stop5h 07m

San Diego

Sat 4/19

9:21 pm-11:20 pm

Nonstop1h 59m

$240

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Fri 5/2

12:57 pm-6:28 pm

1 stop5h 31m

San Diego

Mon 5/5

10:00 am-3:41 pm

1 stop5h 41m

$247

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Mon 4/7

9:16 am-11:51 pm

1 stop14h 35m

$70

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Wed 4/30

12:37 pm-7:09 pm

1 stop6h 32m

$111

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 4/8

6:00 am-7:45 am

Nonstop1h 45m

$119

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Fri 4/11

4:17 pm-9:37 pm

1 stop5h 20m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Santa Rosa to San Diego

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 Santa Rosa to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 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 Santa Rosa-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-San Diego 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 Santa Rosa-San Diego 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 Santa Rosa to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from Santa Rosa to San Diego. Price data was last updated on March 21, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Santa Rosa to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Santa Rosa to San Diego (average of $286). Flying from Santa Rosa to San Diego in March is currently the most expensive (average of $366). 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 STS to SAN?

Find hourly flight availability from Santa Rosa to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

It’s optimal to fly from Santa Rosa to San Diego in the afternoon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Santa Rosa to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to San Diego. Price data was last updated on March 16, 2025.

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

Weekly flight availability from Santa Rosa to San Diego

Explore weekly flight availability from Santa Rosa to San Diego. 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 March 25, 2025.

The most flights from STS to SAN are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated March 25, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines and American Airlines from Santa Rosa to San Diego 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
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to San Diego. 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 Santa Rosa to San Diego?

    If you wish to fly to San Diego from Santa Rosa, then you need to book flights from Santa Rosa Sonoma County to San Diego. There are 4 flights from Sonoma County (STS) to San Diego (SAN) per day to choose from. Flights to San Diego from Sonoma County are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 1h 38m is how long a nonstop flight from Santa Rosa to San Diego typically takes.

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

    This flight path from Santa Rosa Sonoma County to San Diego was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Alaska Airlines, at $221, was found to be the cheapest airline from Santa Rosa to San Diego.Alternate airlines to your destination round-trip include Hawaiian Airlines and American Airlines. Alaska Airlines is priced at 20% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $111. Users have also found prices from $119 and $129 on Hawaiian Airlines and American Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Santa Rosa to San Diego are Hawaiian Airlines (68%), SkyWest Airlines (65%) and American Airlines (65%).

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

    The cheapest flight price from Santa Rosa to San Diego is $113. On average you can expect to pay $271. The most popular route, (Santa Rosa Sonoma County - San Diego), can usually be booked for $196.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Santa Rosa to San Diego (average of $286). Flying from Santa Rosa to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Top 4 airlines flying from Santa Rosa to San Diego

Discover the top 4 airlines that operate flights from Santa Rosa to San Diego. 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$19Average$104FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$137Average$272FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$197Average$297FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$216Average$500FlexibilityNo cancel feeOn-time71%
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