$79 Cheap Flights from Los Angeles (LAX) to Santa Rosa (STS)

View $79 flight on Mon, Jan 19, 2026Opens in a new window

Popular airlines from Los Angeles Intl. (LAX) to Santa Rosa, CA (STS-Sonoma County)

Today's featured flight deals from Los Angeles Intl. (LAX) to Santa Rosa, CA (STS-Sonoma County)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Los Angeles to Santa Rosa (LAX-STS)

Prices were available within the past 7 days and start at $79 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Jan 22 - Thu, Jan 29
LAX
Los Angeles
STS
Santa Rosa
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Jan 22 from Los Angeles to Santa Rosa, returning Thu, Jan 29, priced at $117 just found
Alaska Airlines
Thu, Jan 8 - Sun, Jan 11
LAX
Los Angeles
STS
Santa Rosa
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Jan 8 from Los Angeles to Santa Rosa, returning Sun, Jan 11, priced at $137 just found
American Airlines
Tue, Jan 13 - Sat, Jan 17
LAX
Los Angeles
STS
Santa Rosa
$158 Roundtrip, found 21 hours ago
$158
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, Jan 13 from Los Angeles to Santa Rosa, returning Sat, Jan 17, priced at $158 found 21 hours ago
American Airlines
Sat, Feb 7 - Mon, Feb 9
LAX
Los Angeles
STS
Santa Rosa
$159 Roundtrip, found 11 hours ago
$159
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Feb 7 from Los Angeles to Santa Rosa, returning Mon, Feb 9, priced at $159 found 11 hours ago
American Airlines
Wed, Jan 7 - Sat, Jan 10
LAX
Los Angeles
STS
Santa Rosa
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jan 7 from Los Angeles to Santa Rosa, returning Sat, Jan 10, priced at $160 found 1 day ago
Alaska Airlines
Thu, Jan 1 - Mon, Jan 5
LAX
Los Angeles
STS
Santa Rosa
$167 Roundtrip, found 3 hours ago
$167
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Jan 1 from Los Angeles to Santa Rosa, returning Mon, Jan 5, priced at $167 found 3 hours ago
Alaska Airlines
Thu, Jan 8 - Sat, Jan 10
LAX
Los Angeles
STS
Santa Rosa
$177 Roundtrip, found 4 days ago
$177
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Los Angeles to Santa Rosa, returning Sat, Jan 10, priced at $177 found 4 days ago
Hawaiian Airlines
Mon, Feb 23 - Fri, Feb 27
LAX
Los Angeles
STS
Santa Rosa
$177 Roundtrip, found 5 hours ago
$177
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Mon, Feb 23 from Los Angeles to Santa Rosa, returning Fri, Feb 27, priced at $177 found 5 hours ago
American Airlines
Tue, Feb 10 - Fri, Feb 13
LAX
Los Angeles
STS
Santa Rosa
$179 Roundtrip, found 5 days ago
$179
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Feb 10 from Los Angeles to Santa Rosa, returning Fri, Feb 13, priced at $179 found 5 days ago
Southwest Airlines
Wed, Jun 10 - Wed, Jun 17
LAX
Los Angeles
STS
Santa Rosa
$287 Roundtrip, found 1 hour ago
$287
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Jun 10 from Los Angeles to Santa Rosa, returning Wed, Jun 17, priced at $287 found 1 hour ago

Find the cheapest month to fly from Los Angeles (LAX) to Santa Rosa (STS)

January is typically the cheapest month to fly

From $116 - $216 per traveler.

Alternative airports near Santa Rosa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sonoma County STS. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $217
STS
Sonoma County
CheapestClosest
Average driving time to city center10 min
Flights from $217
Flights from Los Angeles (LAX) to Santa Rosa (STS)
Origin airport
Los Angeles Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines, Southwest Airlines
Roundtrip price
$117
Distance
399 mi
Average flight time
1 hour 41 mins

Los Angeles to Santa Rosa Flights

The cheapest times to fly from Los Angeles to Santa Rosa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Los Angeles to Santa Rosa are during the month of January. You can find some of the cheapest flights from Los Angeles to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Los Angeles to Santa Rosa

Sunday is one of the best days to book for cheap flights from Los Angeles to Santa Rosa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Los Angeles to Santa Rosa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Los Angeles to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Los Angeles to Santa Rosa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Los Angeles to Santa Rosa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS) cost?
Grab a cheap one-way flight from $79 or cheap return flight from $117 from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
Flying in January may help you find better deals, as it's the cheapest month for flights between LAX and STS. You'll typically find the lowest prices during the off-season.
Which airlines fly direct from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
You can fly nonstop from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS) on an Alaska Airlines flight.
What is the cheapest airline that flies from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
To find the cheapest airline that'll fly you from LAX to STS, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
On average, only 1 nonstop flight departs each day from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS). Need other options? Use our filter tool to find flights with layovers and squeeze another destination into your itinerary.
What are the most popular departure times for flights from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
Flights between LAX and STS tend to be busiest at 9 AM. For a less crowded experience and possibly cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from LAX to STS?
If you depart on a Monday, you'll get the biggest range of choices for flights from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS).
What is the earliest flight from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
Hop on the earliest flight at around 9:35AM UTC-8, heading out of Los Angeles Intl. Airport (LAX). You'll be traveling for around 1h 40m, touching down at Sonoma County Airport (STS) at approximately 11:15AM UTC-8.
How long does it take to fly from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
The average flight time from LAX to STS is 1 hour and 38 minutes, covering a total distance of 400 mi.
What airline has the least delays from LAX to STS?
With 93% of journeys generally landing on time, American Airlines has the best on-time performance for direct flights from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS). To check your flight status and get notified about any changes, head to the Expedia App.
What is the best time to fly from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
To arrive at Sonoma County Airport (STS) on time, book a flight that takes off from Los Angeles Intl. Airport (LAX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Santa Rosa from Los Angeles Intl. Airport (LAX)?
Los Angeles Intl. Airport (LAX) offers direct flights to Santa Rosa. Here are some of the airports you can fly to without layovers:

  • San Francisco Intl. Airport (SFO)
  • Oakland Intl. Airport (OAK)
  • Sonoma County Airport (STS)

Is it cheaper to buy a plane ticket from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS) last-minute?
Last-minute fares from LAX to STS are generally more expensive. To secure the best rates, start searching for flights early. That said, if you can play around with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a LAX to STS flight and hotel package?
You'll generally save money by securing a LAX to STS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS)?
It's usually possible to reschedule or cancel your LAX to STS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.