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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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This Singapore Airlines deal was found by Cheapflights users on 2/15. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am
STS
-
SIN
1 stop33h 50m
Multiple Airlines
Thu 11/198:45 pm
SIN
-
STS
1 stop19h 00m
Multiple Airlines
Deal found 2/15$1,089
This Qatar Airways deal was found by Cheapflights users on 2/17. 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.
Wed 3/1111:15 am
STS
-
SIN
2 stops36h 40m
Multiple Airlines
Tue 3/178:15 pm
SIN
-
STS
2 stops36h 46m
Multiple Airlines
Deal found 2/17$1,144
This Singapore Airlines deal was found by Cheapflights users on 2/16. 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 11/218:01 pm
STS
-
SIN
1 stop29h 44m
Multiple Airlines
Sat 11/288:45 pm
SIN
-
STS
1 stop19h 00m
Multiple Airlines
Deal found 2/16$1,162
This Qatar Airways deal was found by Cheapflights users on 2/17. 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 3/2411:10 am
STS
-
SIN
2 stops30h 35m
Multiple Airlines
Tue 3/317:40 pm
SIN
-
STS
2 stops43h 19m
Multiple Airlines
Deal found 2/17$1,213
This oojo deal was found by Cheapflights users on 2/17. 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.
Fri 4/37:53 pm
STS
-
SIN
2 stops48h 52m
Cathay Pacific
Fri 4/107:20 am
SIN
-
STS
2 stops26h 53m
Cathay Pacific
Deal found 2/17$1,274
This Qatar Airways deal was found by Cheapflights users on 2/17. 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 3/247:05 am
STS
-
SIN
2 stops40h 50m
Qatar Airways
Wed 4/17:40 pm
SIN
-
STS
2 stops43h 19m
Qatar Airways
Deal found 2/17$1,282
This Qatar Airways deal was found by Cheapflights users on 2/16. 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 3/147:57 pm
STS
-
SIN
2 stops45h 48m
Multiple Airlines
Sun 3/228:15 pm
SIN
-
STS
2 stops36h 46m
Multiple Airlines
Deal found 2/16$1,301
This Qatar Airways deal was found by Cheapflights users on 2/17. 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 3/107:00 am
STS
-
SIN
2 stops40h 55m
Qatar Airways
Tue 3/178:15 pm
SIN
-
STS
2 stops42h 44m
Qatar Airways
Deal found 2/17$1,339
This Qatar Airways deal was found by Cheapflights users on 2/16. 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.
Sun 3/17:00 am
STS
-
SIN
2 stops33h 45m
Qatar Airways
Thu 3/58:15 pm
SIN
-
STS
2 stops43h 35m
Qatar Airways
Deal found 2/16$1,376
This Qatar Airways deal was found by Cheapflights users on 2/17. 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.
Wed 3/117:00 am
STS
-
SIN
2 stops34h 45m
Qatar Airways
Tue 3/173:15 am
SIN
-
STS
2 stops35h 44m
Qatar Airways
Deal found 2/17$1,434

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,144
(Qatar Airways)

One-way from

$577
(Qatar Airways)

Popular in

December

Cheapest in

September

Average price

$737
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
Search Deals
One-way flight from Santa Rosa Sonoma County to Singapore Changi
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
Search Deals

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 February 19, 2026.
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

Wed 3/11

11:15 am-2:55 pm

2 stops36h 40m

Singapore Changi

Tue 3/17

8:15 pm-6:01 pm

2 stops36h 46m

$1,144

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 3/26

11:10 am-2:55 pm

2 stops36h 45m

Singapore Changi

Mon 4/6

7:40 pm-7:13 pm

2 stops38h 33m

$1,213

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Fri 4/3

7:53 pm-11:45 am

2 stops48h 52m

Singapore Changi

Fri 4/10

7:20 am-7:13 pm

2 stops26h 53m

$1,274

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 3/24

7:05 am-2:55 pm

2 stops40h 50m

Singapore Changi

Wed 4/1

7:40 pm-11:59 pm

2 stops43h 19m

$1,282

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 3/14

7:57 pm-8:45 am

2 stops45h 48m

Singapore Changi

Sun 3/22

8:15 pm-6:01 pm

2 stops36h 46m

$1,301

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 3/10

7:00 am-2:55 pm

2 stops40h 55m

Singapore Changi

Tue 3/17

8:15 pm-11:59 pm

2 stops42h 44m

$1,339

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 3/1

7:00 am-8:45 am

2 stops33h 45m

Singapore Changi

Thu 3/5

8:15 pm-11:50 pm

2 stops43h 35m

$1,376

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 3/26

7:05 am-2:55 pm

2 stops40h 50m

Singapore Changi

Mon 4/6

3:15 am-7:13 pm

2 stops30h 58m

$1,434

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 3/11

7:00 am-8:45 am

2 stops34h 45m

Singapore Changi

Tue 3/17

3:15 am-11:59 pm

2 stops35h 44m

$1,434

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 3/26

11:10 am-2:55 pm

2 stops36h 45m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 20 results
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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, August is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $526). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $759). 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 $1,274, Cathay Pacific can have you in Singapore from Santa Rosa in 48h 52m. 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, August is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $526). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $759). 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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