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$434+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 January 6, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,143
(Singapore Airlines)

One-way from

$434
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$785
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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. 12% potential increase in price ($122 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 January 2026
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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 January 6, 2026.

This Singapore Airlines deal was found by Cheapflights users on 1/5. 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 4/47:53 pmSTS - SIN
1 stop42h 22mMultiple Airlines
Sat 4/119:00 amSIN - STS
1 stop24h 01mMultiple Airlines
Deal found 1/5$1,143
This Qatar Airways deal was found by Cheapflights users on 1/4. 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.
Fri 4/311:10 amSTS - SIN
2 stops37h 35mMultiple Airlines
Thu 4/97:40 pmSIN - STS
2 stops37h 21mMultiple Airlines
Deal found 1/4$1,183
This Singapore Airlines deal was found by Cheapflights users on 1/4. 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.
Fri 4/246:51 pmSTS - SIN
1 stop21h 59mMultiple Airlines
Sun 5/36:40 pmSIN - STS
1 stop19h 21mMultiple Airlines
Deal found 1/4$1,201
This Singapore Airlines deal was found by Cheapflights users on 1/4. 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.
Thu 11/123:05 pmSTS - SIN
1 stop24h 50mMultiple Airlines
Thu 11/198:45 pmSIN - STS
1 stop19h 00mMultiple Airlines
Deal found 1/4$1,208
This Qatar Airways deal was found by Cheapflights users on 1/4. 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.
Thu 4/27:05 amSTS - SIN
2 stops41h 40mQatar Airways
Tue 4/73:15 amSIN - STS
2 stops29h 46mQatar Airways
Deal found 1/4$1,223
This Qatar Airways deal was found by Cheapflights users on 1/4. 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.
Wed 4/227:00 amSTS - SIN
2 stops34h 50mQatar Airways
Fri 5/13:15 amSIN - STS
2 stops34h 42mQatar Airways
Deal found 1/4$1,263
This Qatar Airways deal was found by Cheapflights users on 1/5. 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 4/57:05 amSTS - SIN
2 stops34h 45mQatar Airways
Thu 4/93:15 amSIN - STS
2 stops29h 46mQatar Airways
Deal found 1/5$1,280
This Qatar Airways deal was found by Cheapflights users on 1/4. 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.
Fri 4/247:00 amSTS - SIN
2 stops34h 50mQatar Airways
Fri 5/13:15 amSIN - STS
2 stops34h 42mQatar Airways
Deal found 1/4$1,303
This Qatar Airways deal was found by Cheapflights users on 1/5. 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.
Fri 4/37:05 amSTS - SIN
2 stops41h 40mQatar Airways
Thu 4/93:15 amSIN - STS
2 stops29h 46mQatar Airways
Deal found 1/5$1,320

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 January 6, 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

Sat 4/4

7:53 pm-5:15 am

1 stop42h 22m

Singapore Changi

Sat 4/11

9:00 am-6:01 pm

1 stop24h 01m

$1,143

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 4/22

7:00 am-3:45 pm

2 stops41h 45m

Singapore Changi

Mon 5/4

7:40 pm-10:57 pm

2 stops42h 17m

$1,223

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 4/26

7:00 am-8:50 am

2 stops34h 50m

Singapore Changi

Mon 5/4

7:40 pm-10:57 pm

2 stops42h 17m

$1,223

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Fri 4/24

7:46 pm-8:50 am

2 stops46h 04m

Singapore Changi

Sat 5/2

3:15 am-10:57 pm

2 stops34h 42m

$1,230

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 4/25

7:00 am-8:50 am

2 stops34h 50m

Singapore Changi

Mon 5/4

7:40 pm-10:57 pm

2 stops42h 17m

$1,263

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Fri 4/24

7:00 am-3:45 pm

2 stops41h 45m

Singapore Changi

Mon 5/4

7:40 pm-10:57 pm

2 stops42h 17m

$1,263

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 4/5

7:05 am-8:50 am

2 stops34h 45m

Singapore Changi

Thu 4/9

3:15 am-6:01 pm

2 stops29h 46m

$1,280

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 4/23

7:00 am-8:50 am

2 stops34h 50m

Singapore Changi

Mon 5/4

7:40 pm-10:57 pm

2 stops42h 17m

$1,280

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 4/25

7:00 am-8:50 am

2 stops34h 50m

Singapore Changi

Fri 5/1

3:15 am-10:57 pm

2 stops34h 42m

$1,303

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 4/23

7:00 am-3:45 pm

2 stops41h 45m

Singapore Changi

Fri 5/1

3:15 am-10:57 pm

2 stops34h 42m

$1,320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 23 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 $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 $1,223, Qatar Airways can have you in Singapore from Santa Rosa in 41h 45m. 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 $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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