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HK$10,496+ Cheap flights to Santa Rosa

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 9-3. Fares are subject to change and may not be available on all flights or dates of travel.
— STS
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Santa Rosa in 2025

Enter your travel dates to find the best prices.

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

Wed 14-118:05HKG - STS
2 stops45h 54mQatar Airways
Wed 29-407:00STS - HKG
2 stops49h 20mQatar Airways
Deal found 20-12HK$15,344
Thu 1-110:20HKG - STS
2 stops27h 57mJapan Airlines
Sun 15-319:57STS - HKG
2 stops35h 58mJapan Airlines
Deal found 20-12HK$19,545
Fri 2-110:20HKG - STS
2 stops27h 57mMultiple Airlines
Sat 14-319:57STS - HKG
2 stops35h 58mMultiple Airlines
Deal found 20-12HK$21,164
Wed 14-118:05HKG - STS
2 stops45h 54mQatar Airways
Wed 8-407:00STS - HKG
2 stops47h 55mQatar Airways
Deal found 20-12HK$15,344
Wed 31-1200:25HKG - STS
2 stops37h 52mQatar Airways
Fri 13-307:00STS - HKG
2 stops47h 40mQatar Airways
Deal found 20-12HK$21,133
Wed 31-1200:25HKG - STS
2 stops37h 52mQatar Airways
Sat 14-311:15STS - HKG
2 stops43h 25mQatar Airways
Deal found 20-12HK$21,693
Sun 4-110:20HKG - STS
2 stops27h 57mMultiple Airlines
Sat 14-319:57STS - HKG
2 stops35h 58mMultiple Airlines
Deal found 20-12HK$29,357
Sun 4-110:20HKG - STS
2 stops27h 57mMultiple Airlines
Sun 15-319:57STS - HKG
2 stops35h 58mMultiple Airlines
Deal found 20-12HK$30,298
Mon 5-110:20HKG - STS
2 stops27h 57mMultiple Airlines
Sun 15-319:57STS - HKG
2 stops35h 58mMultiple Airlines
Deal found 20-12HK$30,298
Mon 5-110:20HKG - STS
2 stops27h 57mMultiple Airlines
Fri 13-319:57STS - HKG
2 stops35h 58mMultiple Airlines
Deal found 20-12HK$33,434
Sun 4-110:20HKG - STS
2 stops27h 57mMultiple Airlines
Fri 13-319:57STS - HKG
2 stops35h 58mMultiple Airlines
Deal found 20-12HK$33,434
Fri 2-110:20HKG - STS
2 stops27h 57mJapan Airlines
Sun 15-307:00STS - HKG
2 stops24h 55mJapan Airlines
Deal found 18-12HK$49,400

Find flight deals to Santa Rosa

Find the latest flights to Santa Rosa in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 21 December 2025.

Return from

HK$4,381

One-way from

HK$10,496

Popular in

January

Cheapest in

September

Average price

HK$6,513
Air Canada
  • Air Canada
  • 3-2-10-2
  • 2 total stops
  • 35h 19m total
  • Hong Kong to San Francisco
Search Deals
Qatar Airways
  • Qatar Airways
  • 9-3
  • 2 total stops
  • 42h 47m total
  • Hong Kong to Santa Rosa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (HK$304 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$161 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Santa Rosa that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 21 December 2025.
Use the filters below to find and compare flights to Santa Rosa that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Wed 14-1

18:05-23:59

2 stops45h 54m

Santa Rosa Sonoma County

Wed 29-4

07:00-23:20

2 stops49h 20m

HK$15,344

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Wed 14-1

18:05-23:59

2 stops45h 54m

Santa Rosa Sonoma County

Wed 8-4

07:00-21:55

2 stops47h 55m

HK$15,344

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Thu 1-1

10:20-22:17

2 stops27h 57m

Santa Rosa Sonoma County

Sun 15-3

19:57-22:55

2 stops35h 58m

HK$19,545

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Wed 31-12

00:25-22:17

2 stops37h 52m

Santa Rosa Sonoma County

Fri 13-3

07:00-21:40

2 stops47h 40m

HK$21,133

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Fri 2-1

10:20-22:17

2 stops27h 57m

Santa Rosa Sonoma County

Sat 14-3

19:57-22:55

2 stops35h 58m

HK$21,164

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Wed 31-12

00:25-22:17

2 stops37h 52m

Santa Rosa Sonoma County

Sat 14-3

11:15-21:40

2 stops43h 25m

HK$21,693

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 4-1

10:20-22:17

2 stops27h 57m

Santa Rosa Sonoma County

Sat 14-3

19:57-22:55

2 stops35h 58m

HK$29,357

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 4-1

10:20-22:17

2 stops27h 57m

Santa Rosa Sonoma County

Sun 15-3

19:57-22:55

2 stops35h 58m

HK$30,298

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 5-1

10:20-22:17

2 stops27h 57m

Santa Rosa Sonoma County

Sun 15-3

19:57-22:55

2 stops35h 58m

HK$30,298

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 5-1

10:20-22:17

2 stops27h 57m

Santa Rosa Sonoma County

Fri 13-3

19:57-22:55

2 stops35h 58m

HK$33,434

Flights are sorted by cheapest return flights first.

Deals found on 19-12

Showing 1-10 of 22 results
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Best time to book a flight to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa 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 to Santa Rosa

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 180.0 mm per month. January is typically the wettest month, when rainfall can reach 180.0 mm. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 mm.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 8.0 C).

How long is the flight to Santa Rosa?

On average, a flight from Hong Kong to Santa Rosa takes 45 hours 54 minutes. Flights to Santa Rosa from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flying to Santa Rosa

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

    Booking a flight to Santa Rosa Sonoma County (STS) is your only option if you intend on flying to Santa Rosa. It is only a 11.5 km journey from Sonoma County to Santa Rosa’s city centre.

  • Can I find cheaper flights to Santa Rosa if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Santa Rosa on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Does Santa Rosa Sonoma County have rental cars?

    Yes. Those touching down at Santa Rosa Sonoma County can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Santa Rosa Sonoma County?

    Yes. Santa Rosa Sonoma County has hotels nearby for those requiring accommodations. Healdsburg, Ca Amazing Resort-Like Estate Healdsburg -- 4bd / 3ba is the closest property to Santa Rosa Sonoma County (0.0 km away from Santa Rosa Sonoma County).

See more FAQs

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Deals for Santa Rosa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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Millions of users choose and trust Cheapflights to book the best flight deals to Santa Rosa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Santa Rosa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Santa Rosa today and book when you’re ready!

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