$59 Cheap Flights from Santa Rosa (STS) to Los Angeles (LAX)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $59 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
Alaska Airlines
Alaska Airlines
American Airlines
Hawaiian Airlines
Alaska Airlines
American Airlines
American Airlines
Alaska Airlines
Alaska Airlines
Flights from Santa Rosa (STS) to Los Angeles (LAX)
Origin airport
Sonoma County
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$111
Distance
399 mi

Santa Rosa to Los Angeles Flights

The cheapest times to fly from Santa Rosa to Los Angeles

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 Santa Rosa to Los Angeles are during the month of May. You can find some of the cheapest flights from Santa Rosa to Los Angeles with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Santa Rosa to Los Angeles: 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 Santa Rosa to Los Angeles

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 Santa Rosa to Los Angeles in 2025. You can also book with separate airlines for your outbound and return journeys, from $59 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 Santa Rosa to Los Angeles 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 Santa Rosa to Los Angeles 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 long does it take to fly from Sonoma County Airport (STS) to LAX?
Alaska Airlines has a direct flight jetting off from STS at 5:30PM and touching down at LAX at 7:06PM — a total flying time of 1 hour and 36 minutes. Choose a seat, pack something to keep you busy and the time will zip by.
Is it cheaper to buy a plane ticket from Sonoma County Airport (STS) to LAX last minute?
Booking your journey from Sonoma County Airport to Los Angeles Intl. Airport (LAX) at the last minute could save you a tidy sum if you stumble on a good deal. However, airfares generally don’t get cheaper as the date of departure nears. If you choose to wait, flights could also be booked out or the best seats gone (that could mean the middle seat!). If you don’t want to risk it, book well ahead of your departure date. Note that some of the biggest deals can be found up to 12 months in advance. If your preferred airline hasn’t released its fares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Los Angeles from Santa Rosa?
From Santa Rosa, you can reach Los Angeles through Los Angeles Intl. Airport (LAX), Long Beach Municipal Airport (LGB) and Bob Hope Airport (BUR). It’s a good idea to check which terminal works best for you before making your decision. If you decide to land at Los Angeles Intl. Airport (LAX), it’s around 11 mi southwest of the center of the city. Use the money you save when booking your fare with Expedia to discover the city’s well-known attractions, such as University of Southern California and TCL Chinese Theatre.
What are the most popular departure times for flights from Sonoma County Airport (STS) to LAX?
For Alaska Airlines flights setting off from STS to LAX, the busiest period is between 5:00 PM - 6:00 PM. If you want to avoid holdups, head off in the morning. This gives you a better chance to avoid the heavy air traffic that accumulates in the afternoon.
Can I change the date of my flight from Sonoma County Airport (STS) to LAX?
It’s easy to make changes to your Sonoma County Airport to Los Angeles Intl. Airport (LAX) trip yourself. Log in to the Expedia Trips portal and tap “change flight.” Look around for new flights and secure the one that better fits your plans. You’ll see an estimate of your flight change fee, if applicable. You can also find your way to our Customer Service portal to chat to our Virtual Agent and get answers to all your questions.

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