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$442+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 4, 2026.

This Japan Airlines deal was found by Cheapflights users on 2/2. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:33 pm
STS
-
SIN
2 stops35h 17m
Japan Airlines
Fri 2/68:15 am
SIN
-
STS
2 stops31h 44m
Japan Airlines
Deal found 2/2$1,307
This Singapore Airlines deal was found by Cheapflights users on 2/4. 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 5/238:20 pm
STS
-
SIN
1 stop30h 15m
Multiple Airlines
Sat 6/279:25 am
SIN
-
STS
2 stops25h 52m
Multiple Airlines
Deal found 2/4$1,349
This Singapore Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 2/27:56 pm
STS
-
SIN
2 stops37h 04m
Multiple Airlines
Fri 2/69:00 am
SIN
-
STS
1 stop30h 59m
Multiple Airlines
Deal found 2/2$1,415
This Qatar Airways deal was found by Cheapflights users on 2/3. 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 stops39h 55m
Qatar Airways
Tue 3/33:15 am
SIN
-
STS
2 stops34h 37m
Qatar Airways
Deal found 2/3$1,445
This Singapore Airlines deal was found by Cheapflights users on 2/4. 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 5/238:20 pm
STS
-
SIN
1 stop30h 15m
Multiple Airlines
Sat 6/208:45 pm
SIN
-
STS
1 stop28h 32m
Multiple Airlines
Deal found 2/4$1,512
This Qatar Airways deal was found by Cheapflights users on 2/4. 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 6/61:05 pm
STS
-
SIN
2 stops28h 45m
Multiple Airlines
Thu 6/117:40 pm
SIN
-
STS
2 stops39h 37m
Multiple Airlines
Deal found 2/4$1,567
This Singapore Airlines deal was found by Cheapflights users on 2/3. 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 5/308:20 pm
STS
-
SIN
1 stop30h 15m
Multiple Airlines
Sat 6/208:45 pm
SIN
-
STS
1 stop28h 32m
Multiple Airlines
Deal found 2/3$1,607
This Qatar Airways deal was found by Cheapflights users on 2/4. 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 5/241:05 pm
STS
-
SIN
2 stops28h 45m
Qatar Airways
Wed 6/173:15 am
SIN
-
STS
2 stops32h 02m
Qatar Airways
Deal found 2/4$1,610
This Qatar Airways deal was found by Cheapflights users on 2/3. 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 6/1011:02 am
STS
-
SIN
2 stops30h 48m
Multiple Airlines
Tue 8/43:15 am
SIN
-
STS
2 stops35h 07m
Multiple Airlines
Deal found 2/3$1,644

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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,445
(Qatar Airways)

One-way from

$442
(Japan Airlines)

Popular in

December

Cheapest in

September

Average price

$769
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. 11% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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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 February 4, 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

Sun 3/1

7:00 am-2:55 pm

2 stops39h 55m

Singapore Changi

Wed 3/4

8:15 pm-11:50 pm

2 stops43h 35m

$1,445

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 5/30

8:20 pm-5:35 pm

1 stop30h 15m

Singapore Changi

Sat 6/20

8:45 pm-10:17 am

1 stop28h 32m

$1,607

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 5/28

1:05 pm-8:50 am

2 stops28h 45m

Singapore Changi

Fri 6/19

7:40 pm-8:17 pm

2 stops39h 37m

$1,610

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 5/28

1:05 pm-8:50 am

2 stops28h 45m

Singapore Changi

Wed 6/17

3:15 am-8:17 pm

2 stops32h 02m

$1,610

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 5/24

1:05 pm-8:50 am

2 stops28h 45m

Singapore Changi

Fri 6/19

7:40 pm-8:17 pm

2 stops39h 37m

$1,610

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 5/23

1:05 pm-8:50 am

2 stops28h 45m

Singapore Changi

Fri 6/26

3:15 am-11:22 pm

2 stops35h 07m

$1,628

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 6/10

11:02 am-8:50 am

2 stops30h 48m

Singapore Changi

Tue 8/4

3:15 am-11:22 pm

2 stops35h 07m

$1,644

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 5/21

8:20 am-3:45 pm

2 stops40h 25m

Singapore Changi

Wed 6/17

3:15 am-8:17 pm

2 stops32h 02m

$1,650

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 5/21

8:20 am-8:50 am

2 stops33h 30m

Singapore Changi

Sun 6/21

3:15 am-8:17 pm

2 stops32h 02m

$1,650

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 5/24

1:05 pm-8:50 am

2 stops28h 45m

Singapore Changi

Sun 6/21

7:40 pm-8:17 pm

2 stops39h 37m

$1,650

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 22 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, January is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $532). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $760). 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 $1,445, Qatar Airways can have you in Singapore from Santa Rosa in 39h 55m. 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 $532). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $760). 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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