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Cheap flights from Hong Kong to Santa Rosa from HK$9,987

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 17-4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — STS
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 January 2026.

Popular in

July

Cheapest in

September

Average price

HK$6,393
Highest demand for flights based on searches. 15% potential increase in price (HK$9,556 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (HK$1,421 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find flight deals from Hong Kong to Santa Rosa

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Santa Rosa
Explore the most affordable flight options available from Hong Kong to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 January 2026.

Wed 28-1010:20
HKG
-
STS
2 stops23h 50m
Japan Airlines
Sun 1-1107:00
STS
-
HKG
2 stops38h 50m
Japan Airlines
Deal found 16-1HK$12,528

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 19 January 2026.
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 17-4

18:15-19:13

2 stops39h 58m

HK$9,987

Flights are sorted by cheapest return flights first.

Deals found on 17-1

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, January is the cheapest month in which you can book a flight from Hong Kong to Santa Rosa (average of HK$4,732). Flying from Hong Kong to Santa Rosa in July is currently the most expensive (average of HK$6,151). 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.

  • 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, January is the cheapest month in which you can book a flight from Hong Kong to Santa Rosa (average of HK$4,732). Flying from Hong Kong to Santa Rosa in July is currently the most expensive (average of HK$6,151). 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.

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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?

Need flexible booking options for your flight to Santa Rosa from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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