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

View $79 flight on Sat, Sep 6, 2025Opens in a new window

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

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.

Hawaiian Airlines
Sat, Aug 23 - Wed, Aug 27
LAX
Los Angeles
STS
Santa Rosa
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sat, Aug 23 from Los Angeles to Santa Rosa, returning Wed, Aug 27, priced at $117 found 2 hours ago
Hawaiian Airlines
Tue, Aug 26 - Wed, Aug 27
LAX
Los Angeles
STS
Santa Rosa
$136 Roundtrip, found 2 hours ago
$136
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Tue, Aug 26 from Los Angeles to Santa Rosa, returning Wed, Aug 27, priced at $136 found 2 hours ago
Hawaiian Airlines
Sat, Aug 23 - Thu, Aug 28
LAX
Los Angeles
STS
Santa Rosa
$137 Roundtrip, found 2 hours ago
$137
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sat, Aug 23 from Los Angeles to Santa Rosa, returning Thu, Aug 28, priced at $137 found 2 hours ago
Hawaiian Airlines
Tue, Dec 9 - Thu, Dec 18
LAX
Los Angeles
STS
Santa Rosa
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Dec 9 from Los Angeles to Santa Rosa, returning Thu, Dec 18, priced at $142 found 2 days ago
Hawaiian Airlines
Tue, Oct 28 - Wed, Oct 29
LAX
Los Angeles
STS
Santa Rosa
$147 Roundtrip, found 12 hours ago
$147
Roundtrip
found 12 hours ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Los Angeles to Santa Rosa, returning Wed, Oct 29, priced at $147 found 12 hours ago
Alaska Airlines
Mon, Oct 27 - Wed, Oct 29
LAX
Los Angeles
STS
Santa Rosa
$157 Roundtrip, found 12 hours ago
$157
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Mon, Oct 27 from Los Angeles to Santa Rosa, returning Wed, Oct 29, priced at $157 found 12 hours ago
American Airlines
Wed, Aug 27 - Sat, Aug 30
LAX
Los Angeles
STS
Santa Rosa
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Aug 27 from Los Angeles to Santa Rosa, returning Sat, Aug 30, priced at $159 found 1 hour ago
Alaska Airlines
Wed, Aug 27 - Sat, Aug 30
LAX
Los Angeles
STS
Santa Rosa
$162 Roundtrip, found 1 hour ago
$162
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Aug 27 from Los Angeles to Santa Rosa, returning Sat, Aug 30, priced at $162 found 1 hour ago
Alaska Airlines
Sat, Jan 17 - Tue, Jan 20
LAX
Los Angeles
STS
Santa Rosa
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Jan 17 from Los Angeles to Santa Rosa, returning Tue, Jan 20, priced at $167 just found
Alaska Airlines
Wed, Aug 27 - Sat, Aug 30
LAX
Los Angeles
STS
Santa Rosa
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Aug 27 from Los Angeles to Santa Rosa, returning Sat, Aug 30, priced at $169 found 1 hour ago

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

October is typically the cheapest month to fly

From $116 - $216 per traveler.

Graph displaying average flight prices per month

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
Roundtrip price
$116
Distance
399 mi
Average flight time
1 hour 38 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 August. 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 2025. 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?
Cheap round-trip flights from Los Angeles Intl. Airport (LAX) to Sonoma County Airport (STS) start from $116. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving LAX on August 14 2025 and touching down at STS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from LAX to STS?
The cheapest flights from LAX to STS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 LAX to STS?
With prices as low as $79 for a one-way journey from LAX to STS, Alaska Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAX on October 16 2025. Prices were last updated on July 23 2025 and have not changed since.
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.