What is the cheapest airline to fly from Santa Rosa to San Francisco round-trip?

Flying on Alaska Airlines is currently your cheapest option to San Francisco, with prices starting at $307.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from STS to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to San Francisco as you normally would.

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

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

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

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 Francisco.

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

Yes. Cheapflights offers flight deals from Santa Rosa to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$127+ Flights from Santa Rosa to San Francisco

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Cheap flight deals from Santa Rosa to San Francisco

Round-trip from	$307 (Alaska Airlines)
One-way from	$127 (Alaska Airlines)

From Santa Rosa Sonoma County to San Francisco

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One-way flight from Santa Rosa Sonoma County to San Francisco

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Find flight deals from Santa Rosa to San Francisco

Cheapest flights from Santa Rosa to San Francisco
Explore the most affordable flight options available from Santa Rosa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

vie. 8/296:56 pmSTS - SFO

1 stop5h 03mAlaska Airlines

vie. 9/57:10 amSFO - STS

1 stop16h 40mAlaska Airlines

Deal found 7/30

$307

Best flights from Santa Rosa to San Francisco
Discover carefully curated flight deals from Santa Rosa to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 31, 2025.

vie. 8/296:56 pmSTS - SFO

1 stop5h 03mAlaska Airlines

vie. 9/57:10 amSFO - STS

1 stop16h 40mAlaska Airlines

Deal found 7/30

$307

Last-minute flights from Santa Rosa to San Francisco
Discover last-minute flight deals from Santa Rosa to San Francisco. Data last updated julio 31, 2025 and is based on user searches.

jue. 8/710:00 amSTS - SFO

1 stop13h 59mAlaska Airlines

lun. 8/113:48 pmSFO - STS

1 stop22h 37mAlaska Airlines

Deal found 7/30

$503

vie. 8/296:56 pmSTS - SFO

1 stop5h 03mAlaska Airlines

vie. 9/57:10 amSFO - STS

1 stop16h 40mAlaska Airlines

Deal found 7/30

$307

One-way flights from Santa Rosa to San Francisco
Search for one-way flight options from Santa Rosa to San Francisco. Find affordable one-way fares based on user searches. Data last updated julio 31, 2025.

lun. 10/2710:51 amSTS - SFO

1 stop23h 38mAlaska Airlines

Deal found 7/31

$127

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santa Rosa to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaSan Francisco

STS - SFO

STSSFO

Santa Rosa Sonoma County

vie. 8/29

6:56 pm-11:59 pm

1 stop5h 03m

San Francisco

vie. 9/5

7:10 am-11:50 pm

1 stop16h 40m

$307

Santa RosaSan Francisco

STS - SFO

STSSFO

Santa Rosa Sonoma County

lun. 10/27

10:51 am-10:29 am

1 stop23h 38m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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 Francisco

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

Currently, January is the cheapest month in which you can book a flight from Santa Rosa to San Francisco (average of $276). Flying from Santa Rosa to San Francisco in June is currently the most expensive (average of $358). 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.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Alaska Airlines from Santa Rosa to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

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

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

What is the cheapest airline to fly from Santa Rosa to San Francisco round-trip?
Flying on Alaska Airlines is currently your cheapest option to San Francisco, with prices starting at $307.
Can I find deals for flights from Santa Rosa to San Francisco that include hotel bookings?
Yes. In addition to deals on Santa Rosa to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Santa Rosa to San Francisco?
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 Francisco.
Can I find deals for business class flights from Santa Rosa to San Francisco?
Yes. Cheapflights offers flight deals from Santa Rosa to San Francisco 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 Francisco?
Currently, January is the cheapest month in which you can book a flight from Santa Rosa to San Francisco (average of $276). Flying from Santa Rosa to San Francisco in June is currently the most expensive (average of $358). 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

Roseville

Mountain View

Santa Cruz

South San Francisco

Livermore

Turlock

Manteca

Antioch

Hollister

Watsonville

Sunnyvale

Newark

Milpitas

Campbell

Foster City

Capitola

Santa Clara

San Leandro

Burlingame

Redwood City

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Top airline flying from Santa Rosa to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$226	Average$284	FlexibilityNo cancel fee	On-time75%

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$127+ Cheap flights from Santa Rosa to San Francisco (STS - SFO)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santa Rosa to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Santa Rosa to San Francisco

Round-trip from

One-way from

Find flight deals from Santa Rosa to San Francisco

Cheapest flights from Santa Rosa to San FranciscoExplore the most affordable flight options available from Santa Rosa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Explore the most affordable flight options available from Santa Rosa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santa Rosa to San Francisco that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Santa Rosa with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to San Francisco

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

Reviews of airlines servicing San Francisco

See what other customers who have flown with Alaska Airlines from Santa Rosa to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Santa Rosa to San Francisco round-trip?

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

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

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

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

Traveling to a place near San Francisco?

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Alternative routes for Santa Rosa to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Santa Rosa to San Francisco

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Book with Flexibility

Travel Smart

Cheapest flights from Santa Rosa to San Francisco
Explore the most affordable flight options available from Santa Rosa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.