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$577+ Cheap flights from Santa Rosa (STS) to Singapore (SIN)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Jan 19 — Jan 261
Mon 1/19
Mon 1/26
1 adult, Economy
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Cheap 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 December 20, 2025.

This Qatar Airways deal was found by Cheapflights users on 12/18. 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.
Thu 12/256:00 amSTS - SIN
2 stops47h 15mQatar Airways
Sun 1/118:15 pmSIN - STS
2 stops43h 44mQatar Airways
Deal found 12/18$2,398
This Qatar Airways deal was found by Cheapflights users on 12/18. 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.
Mon 12/226:00 amSTS - SIN
2 stops34h 45mQatar Airways
Sun 1/118:15 pmSIN - STS
2 stops43h 44mQatar Airways
Deal found 12/18$2,467
This Qatar Airways deal was found by Cheapflights users on 12/20. 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 12/306:00 amSTS - SIN
2 stops34h 45mMultiple Airlines
Mon 1/510:15 amSIN - STS
2 stops64h 20mMultiple Airlines
Deal found 12/20$2,506
This Qatar Airways deal was found by Cheapflights users on 12/20. 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 12/272:24 pmSTS - SIN
2 stops50h 21mMultiple Airlines
Tue 1/63:15 amSIN - STS
2 stops47h 20mMultiple Airlines
Deal found 12/20$2,523
This Qatar Airways deal was found by Cheapflights users on 12/18. 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 12/236:00 amSTS - SIN
2 stops47h 15mQatar Airways
Sun 1/118:15 pmSIN - STS
2 stops43h 44mQatar Airways
Deal found 12/18$2,632
This Qatar Airways deal was found by Cheapflights users on 12/18. 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.
Thu 12/256:00 amSTS - SIN
2 stops47h 15mQatar Airways
Wed 1/73:15 amSIN - STS
2 stops36h 44mQatar Airways
Deal found 12/18$2,657
This Qatar Airways deal was found by Cheapflights users on 12/18. 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.
Thu 12/256:00 amSTS - SIN
2 stops47h 15mQatar Airways
Sat 1/108:15 pmSIN - STS
2 stops43h 44mQatar Airways
Deal found 12/18$2,697
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Wed 12/247:00 amSTS - SIN
2 stops25h 50mJapan Airlines
Sun 1/118:15 amSIN - STS
2 stops31h 44mJapan Airlines
Deal found 12/18$2,701
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Wed 12/247:00 amSTS - SIN
2 stops25h 50mJapan Airlines
Sat 1/1010:25 pmSIN - STS
2 stops41h 34mJapan Airlines
Deal found 12/18$2,709
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Tue 12/232:24 pmSTS - SIN
2 stops42h 26mJapan Airlines
Sat 1/1010:25 pmSIN - STS
2 stops41h 34mJapan Airlines
Deal found 12/18$2,720
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Wed 12/247:00 amSTS - SIN
2 stops25h 50mJapan Airlines
Mon 1/58:15 amSIN - STS
2 stops30h 02mJapan Airlines
Deal found 12/18$2,740

Find flight deals from Santa Rosa to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,060
(Singapore Airlines)

One-way from

$577
(Singapore Airlines)

Popular in

December

Cheapest in

September

Average price

$1,460
Provider with most accurate pricing for San Francisco-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Singapore Changi flights.
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From Santa Rosa Sonoma County to Singapore Changi
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One-way flight from Santa Rosa Sonoma County to Singapore Changi
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Highest demand for flights based on searches. 13% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 20, 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

Fri 4/10

7:47 pm-7:50 am

1 stop21h 03m

Singapore Changi

Sun 4/19

8:45 pm-9:47 am

1 stop28h 02m

$1,080

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 1/22

9:33 pm-2:55 pm

2 stops49h 22m

Singapore Changi

Sun 1/25

3:15 am-11:59 pm

2 stops36h 44m

$1,170

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 5/6

7:47 pm-7:50 am

1 stop21h 03m

Singapore Changi

Sun 5/17

9:00 am-7:07 pm

1 stop25h 07m

$1,180

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 12/30

6:00 am-8:45 am

2 stops34h 45m

Singapore Changi

Mon 1/5

10:15 am-10:35 am

2 stops64h 20m

$2,506

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 4/22

7:00 am-5:15 am

1 stop31h 15m

$577

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 4/23

7:00 am-3:45 pm

2 stops41h 45m

$596

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 12/25

6:00 am-9:15 pm

2 stops47h 15m

$1,409

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 12/27

2:24 pm-8:45 am

2 stops50h 21m

$1,452

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Fri 12/26

7:00 am-8:45 am

2 stops33h 45m

$1,728

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 12/28

6:00 am-8:45 am

2 stops34h 45m

$1,911

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

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, January is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $533). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $768). 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.

  • How long is the flight from Santa Rosa to Singapore?

    For as low as $1,170, Qatar Airways can have you in Singapore from Santa Rosa in 49h 22m. The distance from Santa Rosa to Singapore is about 8381 mi.

  • 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, January is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $533). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $768). 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

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