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$674+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap 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 November 13, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,061
(Singapore Airlines)

One-way from

$674
(KAYAK)

Popular in

December

Cheapest in

September

Average price

$864
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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. 14% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 13, 2025.

This KAYAK deal was found by Cheapflights users on 11/12. 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.
Thu 11/137:45 amSTS - SIN
2 stops30h 50mJapan Airlines
Sat 11/222:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,347
This KAYAK deal was found by Cheapflights users on 11/12. 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 11/177:45 amSTS - SIN
2 stops25h 05mJapan Airlines
Sat 11/222:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,350
This KAYAK deal was found by Cheapflights users on 11/12. 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 11/122:22 pmSTS - SIN
2 stops42h 28mJapan Airlines
Sat 11/222:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,358
This KAYAK deal was found by Cheapflights users on 11/12. 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.
Sun 11/167:45 amSTS - SIN
2 stops25h 05mJapan Airlines
Sat 11/222:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,377
This KAYAK deal was found by Cheapflights users on 11/12. 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.
Thu 11/137:45 amSTS - SIN
2 stops30h 50mJapan Airlines
Thu 11/202:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,497
This KAYAK deal was found by Cheapflights users on 11/12. 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 11/177:45 amSTS - SIN
2 stops25h 05mJapan Airlines
Thu 11/202:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,500
This Qatar Airways deal was found by Cheapflights users on 11/11. 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 11/257:40 amSTS - SIN
2 stops39h 15mMultiple Airlines
Mon 12/13:15 amSIN - STS
2 stops34h 37mMultiple Airlines
Deal found 11/11$1,504
This KAYAK deal was found by Cheapflights users on 11/12. 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 11/122:22 pmSTS - SIN
2 stops42h 28mJapan Airlines
Thu 11/202:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,508
This KAYAK deal was found by Cheapflights users on 11/12. 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.
Sun 11/167:45 amSTS - SIN
2 stops25h 05mJapan Airlines
Thu 11/202:20 amSIN - STS
2 stops31h 30mJapan Airlines
Deal found 11/12$1,527
This Qatar Airways deal was found by Cheapflights users on 11/12. 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 11/137:00 amSTS - SIN
2 stops33h 45mQatar Airways
Sun 11/233:15 amSIN - STS
2 stops30h 35mQatar Airways
Deal found 11/12$1,602
This Qatar Airways deal was found by Cheapflights users on 11/12. 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 11/137:00 amSTS - SIN
2 stops33h 45mQatar Airways
Thu 11/2710:15 amSIN - STS
2 stops53h 41mQatar Airways
Deal found 11/12$1,644

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 November 13, 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 2/21

7:00 am-7:55 am

1 stop32h 55m

Singapore Changi

Sun 3/8

8:45 pm-10:11 am

1 stop28h 26m

$1,061

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Mon 2/9

9:33 pm-5:45 pm

1 stop28h 12m

Singapore Changi

Wed 2/25

8:45 pm-10:11 am

1 stop29h 26m

$1,066

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 2/10

11:15 am-2:55 pm

2 stops35h 40m

Singapore Changi

Tue 2/24

3:15 am-9:52 pm

2 stops34h 37m

$1,332

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Mon 2/9

9:33 pm-8:45 am

2 stops43h 12m

Singapore Changi

Tue 2/24

3:15 am-9:52 pm

2 stops34h 37m

$1,360

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 3/8

7:00 am-8:45 am

2 stops34h 45m

Singapore Changi

Tue 3/10

3:15 am-9:52 pm

2 stops33h 37m

$1,418

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 3/14

7:57 pm-12:50 am

2 stops37h 53m

$674

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 3/12

11:12 am-2:55 pm

2 stops36h 43m

$701

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Fri 3/13

11:12 am-2:55 pm

2 stops36h 43m

$730

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 1/3

6:00 am-2:55 pm

2 stops40h 55m

$833

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 1/3

6:00 am-2:55 pm

2 stops40h 55m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 15 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 $558). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $771). 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.

  • 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 $558). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $771). 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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