Cheap Flights to Sonoma County | Popular Routes to Sonoma County from HK$1,208

View HK$1,208 flight on Wed, 13 May 2026Opens in a new window

Popular airlines to Sonoma County

  • Alaska Airlines

  • American Airlines

  • Delta

  • Frontier Airlines

  • United

  • JetBlue Airways

  • Southwest Airlines

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Cheap round-trip flights to Sonoma County

Prices were available within the past 7 days and start at HK$1,208 for one-way flights and HK$2,179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 23 May - Sat, 30 May
SAN
San Diego
STS
Santa Rosa
HK$2,179 Return, found 3 days ago
HK$2,179
Return
found 3 days ago
Select American Airlines flight, departing Sat, 23 May from San Diego to Santa Rosa, returning Sat, 30 May, priced at HK$2,179 found 3 days ago
American Airlines
Sat, 23 May - Sat, 30 May
SAN
San Diego
STS
Santa Rosa
HK$2,276 Return, found 3 days ago
HK$2,276
Return
found 3 days ago
Select American Airlines flight, departing Sat, 23 May from San Diego to Santa Rosa, returning Sat, 30 May, priced at HK$2,276 found 3 days ago
Alaska Airlines
Sat, 23 May - Sat, 30 May
SAN
San Diego
STS
Santa Rosa
HK$2,330 Return, found 3 days ago
HK$2,330
Return
found 3 days ago
Select Alaska Airlines flight, departing Sat, 23 May from San Diego to Santa Rosa, returning Sat, 30 May, priced at HK$2,330 found 3 days ago
American Airlines
Sat, 23 May - Sat, 30 May
SAN
San Diego
STS
Santa Rosa
HK$2,333 Return, found 3 days ago
HK$2,333
Return
found 3 days ago
Select American Airlines flight, departing Sat, 23 May from San Diego to Santa Rosa, returning Sat, 30 May, priced at HK$2,333 found 3 days ago
American Airlines
Sat, 23 May - Sat, 30 May
SAN
San Diego
STS
Santa Rosa
HK$2,416 Return, found 3 days ago
HK$2,416
Return
found 3 days ago
Select American Airlines flight, departing Sat, 23 May from San Diego to Santa Rosa, returning Sat, 30 May, priced at HK$2,416 found 3 days ago
American Airlines
Sat, 23 May - Sat, 30 May
SAN
San Diego
STS
Santa Rosa
HK$2,429 Return, found 3 days ago
HK$2,429
Return
found 3 days ago
Select American Airlines flight, departing Sat, 23 May from San Diego to Santa Rosa, returning Sat, 30 May, priced at HK$2,429 found 3 days ago
American Airlines
Sat, 23 May - Sat, 30 May
SAN
San Diego
STS
Santa Rosa
HK$2,502 Return, found 3 days ago
HK$2,502
Return
found 3 days ago
Select American Airlines flight, departing Sat, 23 May from San Diego to Santa Rosa, returning Sat, 30 May, priced at HK$2,502 found 3 days ago
Delta
Fri, 10 Apr - Mon, 13 Apr
SAN
San Diego
OAK
Oakland
HK$4,184 Return, found 2 days ago
HK$4,184
Return
found 2 days ago
Select Delta flight, departing Fri, 10 Apr from San Diego to Oakland, returning Mon, 13 Apr, priced at HK$4,184 found 2 days ago
EVA Airways
Sat, 12 Sept - Sat, 19 Sept
HKG
Hong Kong SAR
OAK
Oakland
HK$8,386 Return, found 2 days ago
HK$8,386
Return
found 2 days ago
Select EVA Airways flight, departing Sat, 12 Sept from Hong Kong SAR to Oakland, returning Sat, 19 Sept, priced at HK$8,386 found 2 days ago
Asiana Airlines
Mon, 25 May - Thu, 4 Jun
SZX
Shenzhen
OAK
Oakland
HK$10,749 Return, found 6 days ago
HK$10,749
Return
found 6 days ago
Select Asiana Airlines flight, departing Mon, 25 May from Shenzhen to Oakland, returning Thu, 4 Jun, priced at HK$10,749 found 6 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.

EVA Airways
Sat, 12 Sept - Sat, 19 Sept
HKG
Hong Kong SAR
OAK
Oakland
HK$8,386 Return, found 2 days ago
HK$8,386
Return
found 2 days ago
Select EVA Airways flight, departing Sat, 12 Sept from Hong Kong SAR to Oakland, returning Sat, 19 Sept, priced at HK$8,386 found 2 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, HK$2,179 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 HK$2,179 and HK$10,749. Many lucky travelers nabbed one-way seats from San Diego (SAN) for as little as HK$1,208.
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 HK$2,179 to HK$10,749 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.

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