Cheap Flights to Sonoma County from ₩355,700

View ₩355,700 flight on Mon, Feb 9, 2026Opens in a new window

Popular airlines to Sonoma County

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  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

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How much is the cheapest flight to Sonoma County?

Prices were available within the past 7 days and start at ₩355,700 for one-way flights and ₩669,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Feb 4 - Sat, Feb 7
SAN
San Diego
OAK
Oakland
₩669,700 Roundtrip, found 3 days ago
₩669,700
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Feb 4 from San Diego to Oakland, returning Sat, Feb 7, priced at ₩669,700 found 3 days ago
Delta
Sat, Feb 7 - Tue, Feb 10
SAN
San Diego
OAK
Oakland
₩764,800 Roundtrip, found 18 hours ago
₩764,800
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, Feb 7 from San Diego to Oakland, returning Tue, Feb 10, priced at ₩764,800 found 18 hours ago
Hawaiian Airlines
Wed, Feb 4 - Sat, Feb 7
SAN
San Diego
OAK
Oakland
₩821,700 Roundtrip, found 3 days ago
₩821,700
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Feb 4 from San Diego to Oakland, returning Sat, Feb 7, priced at ₩821,700 found 3 days ago
Delta
Thu, Feb 5 - Sun, Feb 8
SAN
San Diego
OAK
Oakland
₩890,600 Roundtrip, found 2 days ago
₩890,600
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Feb 5 from San Diego to Oakland, returning Sun, Feb 8, priced at ₩890,600 found 2 days ago
Hawaiian Airlines
Wed, Feb 4 - Sat, Feb 7
SAN
San Diego
OAK
Oakland
₩896,200 Roundtrip, found 3 days ago
₩896,200
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Feb 4 from San Diego to Oakland, returning Sat, Feb 7, priced at ₩896,200 found 3 days ago
Delta
Sat, Feb 7 - Tue, Feb 10
SAN
San Diego
OAK
Oakland
₩911,600 Roundtrip, found 18 hours ago
₩911,600
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, Feb 7 from San Diego to Oakland, returning Tue, Feb 10, priced at ₩911,600 found 18 hours ago
Delta
Thu, Feb 5 - Sun, Feb 8
SAN
San Diego
OAK
Oakland
₩921,700 Roundtrip, found 2 days ago
₩921,700
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Feb 5 from San Diego to Oakland, returning Sun, Feb 8, priced at ₩921,700 found 2 days ago
Delta
Fri, Feb 6 - Mon, Feb 9
SAN
San Diego
OAK
Oakland
₩952,100 Roundtrip, found 1 day ago
₩952,100
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Feb 6 from San Diego to Oakland, returning Mon, Feb 9, priced at ₩952,100 found 1 day ago
Hawaiian Airlines
Wed, Feb 4 - Sat, Feb 7
SAN
San Diego
OAK
Oakland
₩953,400 Roundtrip, found 3 days ago
₩953,400
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Feb 4 from San Diego to Oakland, returning Sat, Feb 7, priced at ₩953,400 found 3 days ago
American Airlines
Fri, Feb 13 - Tue, Feb 17
ICN
Seoul
STS
Santa Rosa
₩2,016,300 Roundtrip, found 6 days ago
₩2,016,300
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Feb 13 from Seoul to Santa Rosa, returning Tue, Feb 17, priced at ₩2,016,300 found 6 days ago

About Sonoma County

Expedia offers flights to Sonoma County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Sonoma County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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, ₩669,700 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 ₩669,700 and ₩2,016,300. Many lucky travelers nabbed one-way seats from San Diego (SAN) for as little as ₩355,700.
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 ₩669,700 to ₩2,016,300 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 55ºF and 80ºF 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, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Mon, Mar 2 - Sun, Mar 15
ICN
Seoul
OAK
Oakland
₩1,065,500 Roundtrip, found 5 days ago
₩1,065,500
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Mar 2 from Seoul to Oakland, returning Sun, Mar 15, priced at ₩1,065,500 found 5 days ago
*Available to Expedia members.