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$521+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,131
(Singapore Airlines)

One-way from

$521
(Kiwi.com)

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 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. 15% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 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 14, 2025.

This Qatar Airways deal was found by Cheapflights users on 10/13. 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 10/277:00 amSTS - SIN
2 stops40h 55mMultiple Airlines
Mon 11/38:15 pmSIN - STS
2 stops41h 50mMultiple Airlines
Deal found 10/13$1,332
This Qatar Airways deal was found by Cheapflights users on 10/12. 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.
Tue 12/307:00 amSTS - SIN
2 stops33h 45mMultiple Airlines
Sat 1/108:15 pmSIN - STS
2 stops42h 17mMultiple Airlines
Deal found 10/12$1,990
This Qatar Airways deal was found by Cheapflights users on 10/12. 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.
Mon 12/297:00 amSTS - SIN
2 stops46h 15mMultiple Airlines
Sat 1/108:15 pmSIN - STS
2 stops42h 17mMultiple Airlines
Deal found 10/12$2,027
This Qatar Airways deal was found by Cheapflights users on 10/13. 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 12/247:00 amSTS - SIN
2 stops46h 15mQatar Airways
Wed 12/318:15 pmSIN - STS
2 stops44h 03mQatar Airways
Deal found 10/13$2,296
This Qatar Airways deal was found by Cheapflights users on 10/13. 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 12/237:00 amSTS - SIN
2 stops46h 15mQatar Airways
Wed 12/318:15 pmSIN - STS
2 stops44h 03mQatar Airways
Deal found 10/13$2,326
This Qatar Airways deal was found by Cheapflights users on 10/13. 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 12/226:00 amSTS - SIN
2 stops47h 15mMultiple Airlines
Wed 12/318:15 pmSIN - STS
2 stops44h 03mMultiple Airlines
Deal found 10/13$2,416

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 14, 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

Fri 3/6

6:15 pm-7:55 am

1 stop21h 40m

Singapore Changi

Mon 3/16

9:20 am-10:35 pm

2 stops28h 15m

$1,137

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Mon 10/27

7:00 am-2:55 pm

2 stops40h 55m

Singapore Changi

Sun 11/2

3:15 am-10:05 pm

2 stops34h 50m

$1,332

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 3/8

8:00 am-6:35 am

2 stops31h 35m

Singapore Changi

Wed 3/11

8:15 am-10:53 pm

2 stops29h 38m

$1,366

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

Tue 12/30

7:00 am-8:45 am

2 stops33h 45m

Singapore Changi

Sat 1/10

8:15 pm-10:32 pm

2 stops42h 17m

$1,990

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Mon 12/29

7:00 am-9:15 pm

2 stops46h 15m

Singapore Changi

Sat 1/10

8:15 pm-10:32 pm

2 stops42h 17m

$2,027

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 1/22

9:38 am-9:35 am

3 stops31h 57m

$521

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sat 11/8

2:22 pm-9:55 pm

2 stops39h 33m

$576

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Sun 11/9

7:45 am-1:00 pm

2 stops37h 15m

$581

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Fri 4/3

1:22 pm-7:50 am

1 stop27h 28m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 12 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 $562). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $770). 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 $1,366, Japan Airlines can have you in Singapore from Santa Rosa in 31h 35m. 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 $562). Flying from Santa Rosa to Singapore in June is currently the most expensive (average of $770). 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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