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$1,018+ Cheap flights from Santa Rosa (STS) to Singapore

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Santa Rosa to Singapore

Keep the following information in mind while searching for Santa Rosa to Singapore flight deals. Data was last updated October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,018
(Singapore Airlines)

Popular in

December

Cheapest in

September

Average price

$759
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
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Highest demand for flights based on searches. 15% potential increase in price ($167 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 October 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 October 30, 2025.

This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 amSTS - SIN
2 stops25h 55mMultiple Airlines
Tue 11/46:35 amSIN - STS
2 stops31h 30mMultiple Airlines
Deal found 10/30$1,193
This Singapore Airlines deal was found by Cheapflights users on 10/29. 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 11/46:34 pmSTS - SIN
1 stop42h 56mMultiple Airlines
Thu 11/139:00 amSIN - STS
1 stop20h 26mMultiple Airlines
Deal found 10/29$1,287
This Singapore Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/57:45 amSTS - SIN
1 stop29h 45mMultiple Airlines
Wed 11/129:20 amSIN - STS
2 stops24h 34mMultiple Airlines
Deal found 10/29$1,362
This Qatar Airways deal was found by Cheapflights users on 10/29. 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 11/247:40 amSTS - SIN
2 stops39h 15mQatar Airways
Thu 12/48:15 pmSIN - STS
2 stops41h 37mQatar Airways
Deal found 10/29$1,568
This Qatar Airways deal was found by Cheapflights users on 10/29. 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 11/272:41 pmSTS - SIN
2 stops62h 34mMultiple Airlines
Sun 11/303:15 amSIN - STS
2 stops30h 35mMultiple Airlines
Deal found 10/29$1,589
This oojo deal was found by Cheapflights users on 10/28. 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.
Sat 12/135:59 pmSTS - SIN
2 stops52h 31mEVA Air
Sat 12/203:45 pmSIN - STS
2 stops22h 32mEVA Air
Deal found 10/28$1,598
This Qatar Airways deal was found by Cheapflights users on 10/29. 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 11/268:15 pmSTS - SIN
2 stops44h 30mQatar Airways
Mon 12/13:15 amSIN - STS
2 stops34h 37mQatar Airways
Deal found 10/29$1,609
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:15 pmSTS - SIN
2 stops36h 35mAlaska Airlines
Fri 11/288:15 amSIN - STS
2 stops25h 35mAlaska Airlines
Deal found 10/29$1,646

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 October 30, 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

Thu 1/22

7:56 pm-5:30 am

1 stop41h 34m

Singapore Changi

Sun 1/25

8:45 pm-9:56 am

1 stop29h 11m

$1,018

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 3/8

8:00 am-8:45 am

2 stops33h 45m

Singapore Changi

Tue 3/10

3:15 am-10:53 pm

2 stops34h 38m

$1,418

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Mon 11/24

7:40 am-2:55 pm

2 stops39h 15m

Singapore Changi

Thu 12/4

8:15 pm-9:52 pm

2 stops41h 37m

$1,568

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 11/27

2:41 pm-9:15 pm

2 stops62h 34m

Singapore Changi

Mon 12/1

8:15 pm-9:52 pm

2 stops41h 37m

$1,589

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 1/22

11:15 am-8:45 am

2 stops29h 30m

Singapore Changi

Sat 1/24

3:15 am-10:58 pm

2 stops35h 43m

$1,595

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 12/13

5:59 pm-2:30 pm

2 stops52h 31m

Singapore Changi

Sat 12/20

3:45 pm-10:17 pm

2 stops22h 32m

$1,598

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 11/26

8:15 pm-8:45 am

2 stops44h 30m

Singapore Changi

Mon 12/1

3:15 am-9:52 pm

2 stops34h 37m

$1,609

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 11/26

8:15 pm-8:45 am

2 stops44h 30m

Singapore Changi

Wed 12/3

8:15 pm-9:52 pm

2 stops41h 37m

$1,609

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 11/26

8:15 pm-8:45 am

2 stops44h 30m

Singapore Changi

Thu 12/4

8:15 pm-9:52 pm

2 stops41h 37m

$1,609

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Mon 11/24

8:15 pm-12:50 am

2 stops36h 35m

Singapore Changi

Fri 11/28

8:15 am-5:50 pm

2 stops25h 35m

$1,646

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 $560). 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.

  • What airport do you fly from for flights from Santa Rosa to Singapore?

    For a flight from Santa Rosa to Singapore, you will be flying from Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city.

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

    For as low as $1,418, Qatar Airways can have you in Singapore from Santa Rosa in 33h 45m. The distance from Santa Rosa to Singapore is about 8381 mi.

  • What are the cheapest airlines to fly from Santa Rosa to Singapore one-way?

    The cheapest airlines for a one-way flight from Santa Rosa to Singapore are Qatar Airways ($1,110), Alaska Airlines ($1,209), and Japan Airlines ($1,539).

  • 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 $560). 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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