Find flights
Travel Guide

HK$4,099+ 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 14-5. Fares are subject to change and may not be available on all flights or dates of travel.
— STS
4 May — 11 May1
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 4 April 2026.

Sun 17-501:40
HKG
-
STS
2 stops34h 42m
Multiple Airlines
Mon 25-507:59
STS
-
HKG
2 stops35h 56m
Multiple Airlines
Deal found 3-4HK$8,793
Fri 16-1000:05
HKG
-
STS
1 stop26h 02m
Multiple Airlines
Sat 24-1007:12
STS
-
HKG
1 stop18h 33m
Multiple Airlines
Deal found 31-3HK$10,776
Mon 7-901:25
HKG
-
STS
2 stops35h 06m
Qatar Airways
Sat 12-912:01
STS
-
HKG
2 stops42h 54m
Qatar Airways
Deal found 31-3HK$11,458
Fri 16-1001:25
HKG
-
STS
2 stops31h 42m
Qatar Airways
Sat 24-1007:00
STS
-
HKG
2 stops47h 40m
Qatar Airways
Deal found 31-3HK$11,693
Sat 19-1219:50
HKG
-
STS
1 stop19h 55m
Multiple Airlines
Sun 3-119:23
STS
-
HKG
1 stop19h 07m
Multiple Airlines
Deal found 31-3HK$12,179
Sun 3-518:15
HKG
-
STS
2 stops43h 42m
Multiple Airlines
Sun 17-520:26
STS
-
HKG
2 stops52h 59m
Multiple Airlines
Deal found 4-4HK$43,119

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 4 April 2026.

Return from

HK$4,922

One-way from

HK$4,099

Popular in

August

Cheapest in

September

Average price

HK$5,893
United Airlines
  • United Airlines
  • 19-6-1-12
  • 1 total stop
  • 33h 05m total
  • Hong Kong to San Francisco
Search Deals
14-5
  • 14-5
  • 2 total stops
  • 20h 57m total
  • Hong Kong to Santa Rosa
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (HK$1,314 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$220 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 4 April 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

Sun 17-5

01:40-21:22

2 stops34h 42m

Santa Rosa Sonoma County

Mon 25-5

07:59-10:55

2 stops35h 56m

HK$8,793

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 7-9

01:25-21:31

2 stops35h 06m

Santa Rosa Sonoma County

Sat 12-9

12:01-21:55

2 stops42h 54m

HK$11,458

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 3-5

13:20-22:57

3 stops48h 37m

Santa Rosa Sonoma County

Sun 17-5

20:26-16:25

2 stops52h 59m

HK$49,075

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Tue 5-5

10:30-12:21

2 stops40h 51m

Santa Rosa Sonoma County

Mon 18-5

20:26-22:05

2 stops34h 39m

HK$53,472
Fastest return journey

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Tue 5-5

10:30-12:21

2 stops40h 51m

Santa Rosa Sonoma County

Sun 17-5

07:59-22:05

2 stops23h 06m

HK$53,472
Cheapest one-way
Fastest single journey

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Thu 14-5

15:25-21:22

2 stops20h 57m

HK$4,099

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 27-4

00:05-10:01

1 stop24h 56m

HK$7,367

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 26-4

01:25-22:57

2 stops36h 32m

HK$7,375

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Sun 26-7

19:40-19:29

2 stops38h 49m

HK$7,759

Hong KongSanta Rosa

HKG - STS

HKGSTS

Hong Kong Intl

Mon 27-7

19:40-22:51

2 stops42h 11m

HK$7,798

Flights are sorted by cheapest return flights first.

Deals found on 31-3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 29 hours 5 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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Santa Rosa by cabin class

Find flights to Santa Rosa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Premium Economy Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.