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Cheap Flights to Sonoma County

View AU$122 flight on Wed, 11 Nov 2026Opens in a new window

Popular airlines to Sonoma County

  • Alaska Airlines

  • American Airlines

  • Frontier Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

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Cheapest Flights to Sonoma County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 22 Aug - Fri, 28 Aug
ONT
Ontario
STS
Santa Rosa
AU$228 Return, found 17 hours ago
AU$228
Return
found 17 hours ago
Select Alaska Airlines flight, departing Sat, 22 Aug from Ontario to Santa Rosa, returning Fri, 28 Aug, priced at AU$228 found 17 hours ago
Alaska Airlines
Sat, 22 Aug - Sat, 29 Aug
LAX
Los Angeles
STS
Santa Rosa
AU$256 Return, found 5 days ago
AU$256
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 22 Aug from Los Angeles to Santa Rosa, returning Sat, 29 Aug, priced at AU$256 found 5 days ago
Alaska Airlines
Sat, 29 Aug - Mon, 31 Aug
LAX
Los Angeles
STS
Santa Rosa
AU$270 Return, found 1 day ago
AU$270
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 29 Aug from Los Angeles to Santa Rosa, returning Mon, 31 Aug, priced at AU$270 found 1 day ago
Alaska Airlines
Sat, 29 Aug - Sun, 30 Aug
LAX
Los Angeles
STS
Santa Rosa
AU$271 Return, found 5 days ago
AU$271
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 29 Aug from Los Angeles to Santa Rosa, returning Sun, 30 Aug, priced at AU$271 found 5 days ago
Alaska Airlines
Fri, 21 Aug - Mon, 24 Aug
LAX
Los Angeles
STS
Santa Rosa
AU$285 Return, found 2 days ago
AU$285
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 21 Aug from Los Angeles to Santa Rosa, returning Mon, 24 Aug, priced at AU$285 found 2 days ago
Alaska Airlines
Wed, 12 Aug - Wed, 19 Aug
LAX
Los Angeles
STS
Santa Rosa
AU$292 Return, found 4 days ago
AU$292
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 12 Aug from Los Angeles to Santa Rosa, returning Wed, 19 Aug, priced at AU$292 found 4 days ago
American Airlines
Sat, 22 Aug - Sat, 29 Aug
LAX
Los Angeles
STS
Santa Rosa
AU$300 Return, found 5 days ago
AU$300
Return
found 5 days ago
Select American Airlines flight, departing Sat, 22 Aug from Los Angeles to Santa Rosa, returning Sat, 29 Aug, priced at AU$300 found 5 days ago
Delta
Sat, 15 Aug - Sat, 22 Aug
LAX
Los Angeles
OAK
Oakland
AU$566 Return, found 2 hours ago
AU$566
Return
found 2 hours ago
Select Delta flight, departing Sat, 15 Aug from Los Angeles to Oakland, returning Sat, 22 Aug, priced at AU$566 found 2 hours ago
Qatar Airways
Thu, 22 Oct - Thu, 5 Nov
MEL
Melbourne
STS
Santa Rosa
AU$2,067 Return, found 23 hours ago
AU$2,067
Return
found 23 hours ago
Select Qatar Airways flight, departing Thu, 22 Oct from Melbourne to Santa Rosa, returning Thu, 5 Nov, priced at AU$2,067 found 23 hours ago
Jetstar
Thu, 8 Oct - Thu, 22 Oct
AVV
Melbourne
OAK
Oakland
AU$2,405 Return, found 5 days ago
AU$2,405
Return
found 5 days ago
Select Jetstar flight, departing Thu, 8 Oct from Melbourne to Oakland, returning Thu, 22 Oct, priced at AU$2,405 found 5 days ago

Trending flights to Sonoma County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 21 Aug - Fri, 28 Aug
MEL
Melbourne
OAK
Oakland
AU$1,381 Return, found 5 days ago
AU$1,381
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 21 Aug from Melbourne to Oakland, returning Fri, 28 Aug, priced at AU$1,381 found 5 days ago

Frequently asked questions

How do I find cheap flights to Sonoma County that have flexible change policies?
It's as easy as counting 1-2-3 with Expedia. Step 1: Enter your travel dates and destination and press "Search." Second step: Check "No change fee" directly underneath the "Flexible change policies" subheading on the top left of your screen. Step 3. Grab your cheap and flexible fare to Sonoma County.
Which airlines fly to Sonoma County?
When you're ready to lock in your ticket to or near Sonoma County, these leading airlines look forward to welcoming you on board:

  • Southwest Airlines - 2 314 flights to or near Sonoma County each month, including 2 314 flights to Oakland Intl. Airport (OAK) per month.
  • Alaska Airlines - 434 flights to or near Sonoma County each month, including 264 flights to Sonoma County Airport (STS) per month.
  • Spirit Airlines - 265 flights to or near Sonoma County each month, including 265 flights to Oakland Intl. Airport (OAK) per month.

How can I find cheap tickets to Sonoma County?
A helpful strategy for walking away with cheap airfares is to be flexible with your travel dates. Begin with searching for your flight to Sonoma County, then click on the "flexible dates" box to compare prices for nearby days. Want another tip? Book ahead of time. To give you an idea of fares, AU$228 was the best price for a flight to Sonoma County in the last seven days.
How much is a flight to Sonoma County?
There were a lot of low-cost fares up for grabs in the last seven days, with the cost of a return flight to Sonoma County ranging between AU$228 and AU$2,405. Many lucky travellers nabbed one-way seats from Los Angeles (LAX) for as little as AU$122.
What are the most popular airports to fly into in Sonoma County?
Which of these two Sonoma County airports you'll touch down at will depend largely on your chosen carrier and what you plan to see in the region:

  • Oakland Intl. Airport (OAK) - 3 086 flights per month.
  • Sonoma County Airport (STS) - 356 flights per month.

When is the cheapest time to fly to Sonoma County?
Fly out on a Tuesday to boost your odds of securing the cheapest deal to Sonoma County. Mondays are usually the second most affordable day to take off. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Sonoma County?
Flights to Sonoma County ranged from AU$228 to AU$2,405 in the last seven days. Generally, the sooner you book the better the price.
What is the best time to go to Sonoma County?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a good time to visit the exciting Sonoma County city of Santa Rosa. Average temperatures range between 13ºC and 27ºC across the season. The biggest crowds can be found here in March, April and July.
What months are the cheapest to book a flight to Sonoma County?
To secure a fabulous deal to Sonoma County, try to book during the month of February when the price of tickets are at their cheapest. What time of year is expensive? In the United States, it's the festive month of December.

Book with confidence

Sonoma County Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Sonoma County today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your Sonoma County Airfare

At Expedia.com.au, it’s simple to find cheap flights to Sonoma County that won’t cause your wallet to flinch. Browse through our inventory of Sonoma County flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

Sonoma County Flights

Travel information

Sonoma County Flights Information

Airlines serving
American Airlines, Delta, Alaska Airlines, Jetstar, Qatar Airways
Roundtrip price
from AU$228
Sonoma County Flights Information

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