Cheap Flights to Sonoma County

View AU$833 flight on Thu, 15 Jan 2026Opens in a new window

Popular airlines to Sonoma County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit 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.

Hawaiian Airlines
Sat, 31 Jan - Wed, 4 Feb
SYD
Sydney
OAK
Oakland
AU$1,416 Return, found 6 days ago
AU$1,416
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, 31 Jan from Sydney to Oakland, returning Wed, 4 Feb, priced at AU$1,416 found 6 days ago
Virgin Australia
Thu, 5 Feb - Mon, 9 Feb
MEL
Melbourne
OAK
Oakland
AU$1,514 Return, found 6 days ago
AU$1,514
Return
found 6 days ago
Select Virgin Australia flight, departing Thu, 5 Feb from Melbourne to Oakland, returning Mon, 9 Feb, priced at AU$1,514 found 6 days ago
Virgin Australia
Mon, 2 Feb - Fri, 6 Feb
BNE
Brisbane
OAK
Oakland
AU$1,525 Return, found 5 days ago
AU$1,525
Return
found 5 days ago
Select Virgin Australia flight, departing Mon, 2 Feb from Brisbane to Oakland, returning Fri, 6 Feb, priced at AU$1,525 found 5 days ago
EVA Airways
Mon, 9 Feb - Fri, 13 Feb
BNE
Brisbane
STS
Santa Rosa
AU$1,613 Return, found 2 days ago
AU$1,613
Return
found 2 days ago
Select EVA Airways flight, departing Mon, 9 Feb from Brisbane to Santa Rosa, returning Fri, 13 Feb, priced at AU$1,613 found 2 days ago
Alaska Airlines
Fri, 14 Aug - Fri, 21 Aug
SYD
Sydney
OAK
Oakland
AU$1,767 Return, found 16 hours ago
AU$1,767
Return
found 16 hours ago
Select Alaska Airlines flight, departing Fri, 14 Aug from Sydney to Oakland, returning Fri, 21 Aug, priced at AU$1,767 found 16 hours ago
Hawaiian Airlines
Thu, 5 Feb - Mon, 9 Feb
OOL
Gold Coast
OAK
Oakland
AU$1,825 Return, found 2 days ago
AU$1,825
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, 5 Feb from Gold Coast to Oakland, returning Mon, 9 Feb, priced at AU$1,825 found 2 days ago
Delta
Fri, 5 June - Wed, 24 June
SYD
Sydney
OAK
Oakland
AU$1,870 Return, found 21 hours ago
AU$1,870
Return
found 21 hours ago
Select Delta flight, departing Fri, 5 June from Sydney to Oakland, returning Wed, 24 June, priced at AU$1,870 found 21 hours ago
Virgin Australia
Wed, 18 Feb - Sun, 22 Feb
ADL
Adelaide
OAK
Oakland
AU$2,049 Return, found 6 days ago
AU$2,049
Return
found 6 days ago
Select Virgin Australia flight, departing Wed, 18 Feb from Adelaide to Oakland, returning Sun, 22 Feb, priced at AU$2,049 found 6 days ago
Qantas Airways
Fri, 13 Feb - Tue, 17 Feb
PER
Perth
OAK
Oakland
AU$2,062 Return, found 2 days ago
AU$2,062
Return
found 2 days ago
Select Qantas Airways flight, departing Fri, 13 Feb from Perth to Oakland, returning Tue, 17 Feb, priced at AU$2,062 found 2 days ago
American Airlines
Thu, 5 Mar - Wed, 11 Mar
MEL
Melbourne
STS
Santa Rosa
AU$2,094 Return, found 2 days ago
AU$2,094
Return
found 2 days ago
Select American Airlines flight, departing Thu, 5 Mar from Melbourne to Santa Rosa, returning Wed, 11 Mar, priced at AU$2,094 found 2 days ago

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 Information

Airlines serving
Qantas Airways, Virgin Australia, Hawaiian Airlines, Delta, Alaska Airlines, EVA Airways, American Airlines
Roundtrip price
from AU$1,416

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$1,416 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$1,416 and AU$2,094. Many lucky travellers nabbed one-way seats from Melbourne (MEL) for as little as AU$833.
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$1,416 to AU$2,094 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.

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.

Hawaiian Airlines
Sat, 31 Jan - Wed, 4 Feb
SYD
Sydney
OAK
Oakland
AU$1,416 Return, found 6 days ago
AU$1,416
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, 31 Jan from Sydney to Oakland, returning Wed, 4 Feb, priced at AU$1,416 found 6 days ago
*Available to Expedia members.