The cheapest times to fly from STS to SFO are
- January 8th to February 4th
- May 28th to June 24th (except the week of June 11th)
- July 9th to November 18th (except the week of July 23rd)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from STS to SFO is mid August. Prices can be as high as $543 for Sunday flights during mid May, or as low as $251 for Tuesday flights around mid August.
When to Fly to San Francisco
Flying from Santa Rosa, CA (STS) to San Francisco, CA (SFO) will usually cost between $259 to $372 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid August with an average ticket price of $272. Due to high demand the most expensive time to fly is mid May, with an average price of $374. Planning your trip to low-cost times can easily save you $102 on economy flights and even more on first-class flights. Generally, any price below $322 can be considered a good price for a round-trip STS to SFO flight.
See below for a graph of average weekly prices for the STS to SFO route. All prices are for round-trip tickets in USD.
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Compared to other flights, the STS to SFO flight is much cheaper than the average and costs much less than the average flight leaving from Santa Rosa. The average price per mile (for a direct flight) is $3.04, which is above average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $48 (14%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $301. Return trip prices are from the SFO to STS flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from STS to SFO can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 6 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from STS to SFO? We’ve got answers.
Which airlines fly this route?
You can find 6 major airlines flying this route most often: Alaska, American, Delta, Emirates, Sun Country Airlines, United, and potentially more during busy seasons.
How far away is it from San Francisco International Airport to Charles M. Schulz – Sonoma County Airport?
The distance between the two airports is roughly 66 miles or 106 kilometers.
How long does it take to fly from STS to SFO?
The real-world flight time for a nonstop STS to SFO flight is about 1 hour 6 minutes.
How many flights go between Santa Rosa, CA and San Francisco, CA?
It depends on the day of the week and the date, but a typical day might have around 102 available flights from STS to SFO.
Airport Location Info
Departing Airport
Origination code | STS |
Origination airport name | Charles M. Schulz – Sonoma County Airport |
City | Santa Rosa, CA |
Country | the United States |
Latitude | 38.5 |
Longitude | -122.8 |
Return Airport
Destination code | SFO |
Destination airport name | San Francisco International Airport |
City | San Francisco, CA |
Country | the United States |
Latitude | 37.6 |
Longitude | -122.4 |
Late and Early Flight Data
Flights from STS to SFO tend to depart late almost never compared to the average flight. According to our recently updated data, 10% of flights departed 5 or more minutes late, and 87% of flights left 5 or more minutes early. On average you can expect to leave SFO heading for STS about 10 minutes late. This does significantly impact arrival time, as the average landing time in San Francisco, CA is about 1 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- SkyWest: 10 minutes late
- Some airlines not reporting
Other Resources
Flights to SFO
Flights from SFO
Popular Flights
Flights to STS
Flights from STS
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.