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Cheap flights from Hong Kong to Santa Rosa from HK$6,368

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10-12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — STS
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Santa Rosa

Keep the following information in mind while searching for Hong Kong to Santa Rosa flight deals. Data was last updated 21 November 2025.

Round-trip from

HK$12,673

One-way from

HK$6,375

Popular in

July

Cheapest in

September

Average price

HK$6,212
Japan Airlines
  • Japan Airlines
  • 6-2-8-2
  • 4 total stops
  • 79h 05m total
  • Hong Kong to Santa Rosa
Search Deals
10-12
  • 10-12
  • 1 total stop
  • 32h 49m total
  • Hong Kong to Santa Rosa
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (HK$6,967 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,175 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Hong Kong to Santa Rosa

Enter your travel dates to find the best prices.

Best flights from Hong Kong to Santa Rosa
Discover carefully curated flight deals from Hong Kong to Santa Rosa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 November 2025.

Fri 6-210:20HKG - STS
2 stops40h 15mJapan Airlines
Sun 8-207:00STS - HKG
2 stops38h 50mJapan Airlines
Deal found 19-11HK$12,673
Thu 5-200:25HKG - STS
2 stops39h 34mQatar Airways
Sun 8-221:33STS - HKG
2 stops56h 07mQatar Airways
Deal found 18-11HK$14,837

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Hong Kong to Santa Rosa that are best for you.

Fly from

Hong Kong

Fly to

Santa Rosa

Route

Departure

Return

Price

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Fri 6-2

10:20-10:35

2 stops40h 15m

Santa Rosa Sonoma County

Sun 8-2

07:00-13:50

2 stops38h 50m

HK$12,673

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Thu 5-2

00:25-23:59

2 stops39h 34m

Santa Rosa Sonoma County

Sun 8-2

21:33-21:40

2 stops56h 07m

HK$14,837

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 13-4

12:45-23:41

1 stop25h 56m

HK$6,368

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Wed 10-12

00:30-17:19

1 stop32h 49m

HK$6,375

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sat 11-4

00:05-13:42

1 stop28h 37m

HK$6,757

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 11-1

15:35-10:35

2 stops59h 00m

HK$7,582

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sat 10-1

15:35-23:59

2 stops48h 24m

HK$8,197

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Wed 10-12

15:35-17:19

2 stops41h 44m

HK$8,516

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 29-12

10:20-15:13

2 stops20h 53m

HK$8,539

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Fri 9-1

15:35-10:35

2 stops59h 00m

HK$8,711

Flights are sorted by cheapest return flights first.

Deals found on 21-11

Best time to book a flight from Hong Kong to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Hong Kong with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Santa Rosa

What is the cheapest month to book a flight from Hong Kong to Santa Rosa?

Currently, September is the cheapest month in which you can book a flight from Hong Kong to Santa Rosa (average of HK$4,780). Flying from Hong Kong to Santa Rosa in July is currently the most expensive (average of HK$6,142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santa Rosa from Hong Kong?

    Santa Rosa Sonoma County (STS) is the airport you will fly into if you book a flight from Hong Kong to Santa Rosa. It is only a 11.5 km journey from Sonoma County (STS) to Santa Rosa’s city centre.

  • How long is the flight from Hong Kong to Santa Rosa?

    Japan Airlines and Qatar Airways can get you from Hong Kong to Santa Rosa in just under 39h 34m. Your travel time can differ by up to 41m. Airlines will cover a distance of 11029 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Hong Kong to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Santa Rosa flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Santa Rosa.

  • Can I find deals for business class flights from Hong Kong to Santa Rosa?

    Yes. Cheapflights offers flight deals from Hong Kong to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to Santa Rosa?

    Currently, September is the cheapest month in which you can book a flight from Hong Kong to Santa Rosa (average of HK$4,780). Flying from Hong Kong to Santa Rosa in July is currently the most expensive (average of HK$6,142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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When you search for this flight from Hong Kong to Santa Rosa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Santa Rosa?

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to Santa Rosa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Hong Kong to Santa Rosa with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to Santa Rosa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Hong Kong to Santa Rosa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Santa Rosa from Hong Kong today and book when prices fit your budget.

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