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Cheap Flights to Sonoma Valley from HK$2,754

View HK$2,754 flight on Fri, 9 Oct 2026Opens in a new window

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Cheap round-trip flights to Sonoma Valley

Prices were available within the past 7 days and start at HK$2,754 for one-way flights and HK$5,189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Premia
United
Vietnam Airlines
ZIPAIR
EVA Airways

Frequently asked questions

How do I find cheap flights to Sonoma Valley that have flexible change policies?
We understand that plans can change from one minute to the next, so locking in a flexible ticket with Expedia is always a wise idea. Just tick the "No change fee" box below the "Flexible change policies" filter. Your low-priced, flexible flight to Sonoma Valley is only a few clicks away.
Which airlines fly to Sonoma Valley?
When you're ready to book your airfare to or near Sonoma Valley, these top airlines look forward to welcoming you aboard:
  • United Airlines - 5,914 flights to or near Sonoma Valley each month, including 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Southwest Airlines - 2,808 flights to or near Sonoma Valley each month, including 2,314 flights to Oakland Intl. Airport (OAK) per month.
  • Alaska Airlines - 2,518 flights to or near Sonoma Valley each month, including 2,349 flights to San Francisco Intl. Airport (SFO) per month.
How can I find cheap tickets to Sonoma Valley?
One of the easiest ways to nab cheap tickets to Sonoma Valley is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It'll bring up the cheapest prices for nearby days. The best price for a flight to Sonoma Valley in the last seven days was HK$5,189. Booking well ahead will usually help you walk away with an even better deal.
How much is a flight to Sonoma Valley?
You could have picked up a round-trip flight to Sonoma Valley from anywhere between HK$5,189 and HK$6,870 in the last seven days. For one-way journeys taking off from Hong Kong SAR (HKG), the lowest price during this time was HK$2,754.
What are the most popular airports to fly into in Sonoma Valley?
Pack your bags and touch down at one of these popular Sonoma Valley airports:
  • San Francisco Intl. Airport (SFO) - 11,935 flights per month.
  • Oakland Intl. Airport (OAK) - 3,086 flights per month.
When is the cheapest time to fly to Sonoma Valley?
Jet off on a Tuesday to boost your chances of picking up the cheapest flight to Sonoma Valley. Mondays are usually the next most affordable day to depart. Saturday is typically the priciest day to fly anywhere.
How much is a plane ticket to Sonoma Valley?
In the last seven days, tickets ranged between HK$5,189 and HK$6,870. Check out our terrific deals to Sonoma Valley, make a booking and then start packing your things!
What months are the cheapest to book a flight to Sonoma Valley?
February is an excellent month to land an awesome deal to Sonoma Valley. Bear in mind that the priciest time to book a ticket in the States isn't during the peak of summer, but the festive month of December.

Travel information

Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
HK$6,588

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