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HK$5,647+ 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 29-11. Fares are subject to change and may not be available on all flights or dates of travel.
— STS
4 Aug — 11 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Santa Rosa in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Santa Rosa
Explore the most affordable flight options available to Santa Rosa. Find the lowest fares based on data from user searches, with prices last updated on 5 July 2026.

Tue 20-1001:25
HKG
-
STS
2 stops35h 31m
Qatar Airways
Sun 25-1007:00
STS
-
HKG
2 stops47h 40m
Qatar Airways
Deal found 3-7HK$9,270
Tue 27-1000:25
HKG
-
STS
2 stops36h 31m
Qatar Airways
Sun 1-1107:00
STS
-
HKG
2 stops46h 40m
Qatar Airways
Deal found 1-7HK$9,568
Tue 18-811:20
HKG
-
STS
2 stops39h 01m
Multiple Airlines
Tue 25-807:10
STS
-
HKG
2 stops35h 45m
Multiple Airlines
Deal found 3-7HK$9,788
Sat 15-801:40
HKG
-
STS
2 stops29h 15m
Multiple Airlines
Sun 23-807:10
STS
-
HKG
2 stops37h 30m
Multiple Airlines
Deal found 2-7HK$10,031
Sun 16-822:15
HKG
-
STS
3 stops39h 36m
Qatar Airways
Sun 23-807:03
STS
-
HKG
2 stops47h 52m
Qatar Airways
Deal found 2-7HK$12,619
Tue 18-822:15
HKG
-
STS
3 stops38h 44m
Qatar Airways
Tue 25-807:03
STS
-
HKG
2 stops47h 52m
Qatar Airways
Deal found 3-7HK$12,854
Wed 28-1015:35
HKG
-
STS
2 stops41h 11m
Japan Airlines
Sun 1-1107:00
STS
-
HKG
3 stops46h 45m
Japan Airlines
Deal found 2-7HK$16,517

Find flight deals to Santa Rosa

Find the latest flights to Santa Rosa in 2026, 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 5 July 2026.

Return from

HK$6,619

One-way from

HK$5,647

Popular in

July

Cheapest in

September

Average price

HK$8,525
Philippine Airlines
  • Philippine Airlines
  • 30-8-26-10
  • 2 total stops
  • 66h 50m total
  • Hong Kong to San Francisco
Search Deals
Qatar Airways
  • Qatar Airways
  • 29-11
  • 2 total stops
  • 53h 03m total
  • Hong Kong to Santa Rosa
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (HK$1,448 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$202 potential savings vs. average return price).
Search Deals
Average for return flights in July 2026
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 5 July 2026.
Use the filters below to find and compare flights to Santa Rosa that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Tue 20-10

01:25-21:56

2 stops35h 31m

Santa Rosa Sonoma County

Sun 25-10

07:00-21:40

2 stops47h 40m

HK$9,270

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Tue 27-10

00:25-21:56

2 stops36h 31m

Santa Rosa Sonoma County

Sun 1-11

07:00-21:40

2 stops46h 40m

HK$9,270

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sat 15-8

01:40-15:55

2 stops29h 15m

Santa Rosa Sonoma County

Sun 23-8

07:10-11:40

2 stops37h 30m

HK$10,031

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 16-8

22:15-22:51

3 stops39h 36m

Santa Rosa Sonoma County

Sun 23-8

07:03-21:55

2 stops47h 52m

HK$12,619

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Tue 18-8

22:15-21:59

3 stops38h 44m

Santa Rosa Sonoma County

Tue 25-8

07:03-21:55

2 stops47h 52m

HK$12,854
Fastest return journey

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 17-8

00:05-15:55

1 stop30h 50m

Santa Rosa Sonoma County

Tue 25-8

07:10-18:55

1 stop20h 45m

HK$14,689
Cheapest one-way

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 29-11

00:25-13:28

2 stops53h 03m

HK$5,647

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Thu 26-11

00:25-19:10

2 stops34h 45m

HK$6,047
Fastest single journey

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 29-11

00:30-18:07

1 stop33h 37m

HK$6,062

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Thu 1-10

12:45-11:21

1 stop37h 36m

HK$6,062

Flights are sorted by cheapest return flights first.

Deals found on 3-7

Showing 1-10 of 16 resultsSorted by cheapest first
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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 39 hours 1 minute. 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 Calif.: Amazing Resort-Like Estate Healdsburg -- 4bd / 3ba is the closest property to Santa Rosa Sonoma County (1.6 km away from Santa Rosa Sonoma County).

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights to Santa Rosa?

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.

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

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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