HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$389+ Cheap flights from Santa Rosa (STS) to Singapore

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Santa Rosa to Singapore

Keep the following information in mind while searching for Santa Rosa to Singapore flight deals. Data was last updated September 16, 2025.

Round-trip from

$911
(SmartFares)

One-way from

$389
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$756
From Santa Rosa Sonoma County to Singapore
Search Deals
One-way flight from Santa Rosa Sonoma County to Singapore
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Santa Rosa to Singapore

Cheapest flights from Santa Rosa to Singapore
Explore the most affordable flight options available from Santa Rosa to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:45 amSTS - SIN
2 stops47h 10mMultiple Airlines
Wed 11/511:10 pmSIN - STS
2 stops39h 27mMultiple Airlines
Deal found 9/14$911
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:45 amSTS - SIN
2 stops42h 05mCathay Pacific
Tue 11/41:25 amSIN - STS
2 stops32h 29mCathay Pacific
Deal found 9/14$1,000
This Singapore Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/182:30 pmSTS - SIN
1 stop36h 05mMultiple Airlines
Tue 10/289:00 amSIN - STS
1 stop28h 05mMultiple Airlines
Deal found 9/16$1,028
This Singapore Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:00 amSTS - SIN
1 stop31h 15mMultiple Airlines
Tue 10/289:00 amSIN - STS
1 stop19h 26mMultiple Airlines
Deal found 9/16$1,285
This Qatar Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:00 amSTS - SIN
2 stops39h 55mQatar Airways
Tue 12/233:15 amSIN - STS
2 stops35h 02mQatar Airways
Deal found 9/15$1,354
This Qatar Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:05 amSTS - SIN
2 stops34h 55mQatar Airways
Tue 10/288:15 pmSIN - STS
2 stops40h 50mQatar Airways
Deal found 9/16$1,394
This KAYAK deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:40 amSTS - SIN
2 stops25h 10mJapan Airlines
Wed 12/248:15 amSIN - STS
2 stops30h 02mJapan Airlines
Deal found 9/15$1,409

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Singapore 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Santa Rosa to Singapore that are best for you.

Fly from

Santa Rosa

Fly to

Singapore

Route

Depart

Return

Price

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 10/18

2:30 pm-5:35 pm

1 stop36h 05m

Singapore Changi

Tue 10/28

9:00 am-10:05 pm

1 stop28h 05m

$1,028

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 2/14

6:15 pm-5:30 am

1 stop43h 15m

Singapore Changi

Sun 2/22

7:00 pm-10:35 pm

1 stop19h 35m

$1,086

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 10/29

2:22 pm-5:45 pm

1 stop36h 23m

Singapore Changi

Tue 11/4

1:25 am-5:54 pm

2 stops32h 29m

$1,213

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 11/18

7:00 am-2:55 pm

2 stops39h 55m

Singapore Changi

Tue 12/23

3:15 am-10:17 pm

2 stops35h 02m

$1,354

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 10/18

7:05 am-9:00 am

2 stops34h 55m

Singapore Changi

Tue 10/28

8:15 pm-10:05 pm

2 stops40h 50m

$1,394

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 11/20

7:00 am-8:45 am

2 stops33h 45m

Singapore Changi

Wed 12/24

8:15 pm-10:17 pm

2 stops42h 02m

$1,441

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 9/28

7:00 am-9:00 am

2 stops35h 00m

Singapore Changi

Fri 10/3

3:10 am-10:06 pm

2 stops33h 56m

$1,459

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Fri 11/21

8:15 pm-8:45 am

2 stops44h 30m

Singapore Changi

Wed 12/24

8:15 pm-10:17 pm

2 stops42h 02m

$1,477

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Mon 9/22

12:25 pm-12:20 am

2 stops44h 55m

$389

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 9/25

7:03 am-5:30 pm

2 stops43h 27m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from Santa Rosa to Singapore

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

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

Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $1,002). Flying from Santa Rosa to Singapore in December is currently the most expensive (average of $1,665). 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 Santa Rosa to Singapore. 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 from for flights from Santa Rosa to Singapore?

    For a flight from Santa Rosa to Singapore, you will be flying from Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city.

  • What are the cheapest airlines to fly from Santa Rosa to Singapore one-way?

    The cheapest airlines for a one-way flight from Santa Rosa to Singapore are American Airlines ($389), Alaska Airlines ($526), and Japan Airlines ($639).

  • Can I find deals for flights from Santa Rosa to Singapore that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Singapore.

  • Can I find deals for business class flights from Santa Rosa to Singapore?

    Yes. Cheapflights offers flight deals from Santa Rosa to Singapore 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 Santa Rosa to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $1,002). Flying from Santa Rosa to Singapore in December is currently the most expensive (average of $1,665). 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.

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.

Alternative routes for Santa Rosa to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Los Angeles to Manila flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
San Francisco to New Delhi flights
San Francisco to Taiwan Taoyuan Intl flights
San Francisco to Hong Kong flights
Los Angeles to Incheon Intl flights
Ontario to Narita flights
San Francisco to Suvarnabhumi flights
San Francisco to Mumbai flights
Los Angeles to Ho Chi Minh City flights
Los Angeles to Taiwan Taoyuan Intl flights
San Francisco to Ho Chi Minh City flights
Ontario to Haneda flights
Los Angeles to Kansai Intl flights
Los Angeles to Hong Kong flights
San Diego to Narita flights
Los Angeles to Hongqiao Intl flights
San Francisco to Incheon Intl flights
San Francisco to Bangalore flights
Ontario to Suvarnabhumi flights
Santa Ana to Haneda flights
Los Angeles to New Delhi flights
San Francisco to Hyderabad flights
Ontario to Manila flights
San Francisco to Hongqiao Intl flights
San Jose to New Delhi flights
Los Angeles to Pu Dong flights
Los Angeles to Mumbai flights
Oakland to New Delhi flights
Burbank to Narita flights
Los Angeles to Singapore flights
San Francisco to Sung Shan flights
San Francisco to Pu Dong flights
San Diego to Haneda flights
Los Angeles to Don Mueang Intl flights
Ontario to Taiwan Taoyuan Intl flights
Santa Ana to Narita flights
San Francisco to Kansai Intl flights
Los Angeles to Gimpo Intl flights
Burbank to Manila flights
Burbank to Suvarnabhumi flights
San Francisco to Singapore flights
Santa Ana to Suvarnabhumi flights
San Jose to Narita flights
San Jose to Haneda flights

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.