In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

How far in advance should I book a flight from Hong Kong to Santa Rosa?

Users have found that booking a flight from Hong Kong to Santa Rosa at least 60 days early can save you up to 24% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from Hong Kong to Santa Rosa for as little as $818 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $861 for flights departing within the next 3 days.

What is the cheapest month to fly from Hong Kong to Santa Rosa?

March can be a great time to fly to Santa Rosa from Hong Kong with a flight ticket averaging about $907. Cheapflights users have found deals in the month of March for as cheap as $709. The most expensive prices can be found in the month of August.

What is the cheapest time of day to fly from HK to STS?

When flying from Hong Kong to Santa Rosa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 7.2 mi journey from Sonoma County (STS) to Santa Rosa’s city center.

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 vacation 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.

$1,246+ Cheap Flights from Hong Kong to Santa Rosa

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Cheap flight deals from Hong Kong to Santa Rosa

Popular in	August
Cheapest in	March
Average price	$1,127

Highest demand for flights based on searches. 11% potential increase in price ($117 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Hong Kong to Santa Rosa

One-way flights from Hong Kong to Santa Rosa
Search for one-way flight options from Hong Kong to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sun 10/2612:25 amHKG - STS

2 stops36h 40mQatar Airways

Deal found 8/13

$1,246

Mon 8/257:40 pmHKG - STS

2 stops38h 32mQatar Airways

Deal found 8/13

$1,335

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 10/27

6:05 pm-10:05 pm

2 stops43h 00m

$1,246

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 8/25

7:40 pm-7:12 pm

2 stops38h 32m

$1,335

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 round-trip 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, February is the cheapest month in which you can book a flight from Hong Kong to Santa Rosa (average of $202). Flying from Hong Kong to Santa Rosa in June is currently the most expensive (average of $395). 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

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 7.2 mi journey from Sonoma County (STS) to Santa Rosa’s city center.
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 vacation 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, February is the cheapest month in which you can book a flight from Hong Kong to Santa Rosa (average of $202). Flying from Hong Kong to Santa Rosa in June is currently the most expensive (average of $395). 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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$1,246+ Cheap flights from Hong Kong to Santa Rosa (STS)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hong Kong to Santa Rosa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 14, 2025.

Popular in

Cheapest in

Average price

Find flight deals from Hong Kong to Santa Rosa

One-way flights from Hong Kong to Santa RosaSearch for one-way flight options from Hong Kong to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Search for one-way flight options from Hong Kong to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Santa Rosa that are best for you.

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.

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?

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?

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

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

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

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

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One-way flights from Hong Kong to Santa Rosa
Search for one-way flight options from Hong Kong to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.