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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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SIN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$920
(Singapore Airlines)

One-way from

$434
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$787
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 ($167 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 August 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 August 20, 2025.

This Singapore Airlines deal was found by Cheapflights users on 8/19. 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 9/103:07 pmSTS - SIN
1 stop23h 08mMultiple Airlines
Tue 10/219:00 amSIN - STS
1 stop19h 36mMultiple Airlines
Deal found 8/19$920
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Tue 10/77:00 amSTS - SIN
2 stops26h 20mJapan Airlines
Wed 10/228:05 amSIN - STS
2 stops23h 49mJapan Airlines
Deal found 8/19$987
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Tue 10/77:00 amSTS - SIN
2 stops26h 20mJapan Airlines
Mon 10/208:05 amSIN - STS
2 stops23h 46mJapan Airlines
Deal found 8/19$1,066
This Singapore Airlines deal was found by Cheapflights users on 8/19. 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 9/23:07 pmSTS - SIN
1 stop25h 43mMultiple Airlines
Tue 9/98:45 pmSIN - STS
1 stop37h 27mMultiple Airlines
Deal found 8/19$1,116
This KAYAK deal was found by Cheapflights users on 8/19. 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 10/87:00 amSTS - SIN
2 stops26h 20mJapan Airlines
Tue 10/218:05 amSIN - STS
2 stops23h 49mJapan Airlines
Deal found 8/19$1,124
This Singapore Airlines deal was found by Cheapflights users on 8/18. 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 10/165:34 pmSTS - SIN
1 stop23h 16mMultiple Airlines
Tue 10/219:00 amSIN - STS
1 stop19h 36mMultiple Airlines
Deal found 8/18$1,135
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Tue 10/77:00 amSTS - SIN
2 stops26h 20mJapan Airlines
Thu 10/238:05 amSIN - STS
2 stops29h 01mJapan Airlines
Deal found 8/19$1,203
This Singapore Airlines deal was found by Cheapflights users on 8/18. 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 9/247:03 amSTS - SIN
1 stop33h 47mMultiple Airlines
Wed 10/158:45 pmSIN - STS
1 stop35h 06mMultiple Airlines
Deal found 8/18$1,214
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Tue 10/712:41 pmSTS - SIN
1 stop28h 09mSingapore Airlines
Fri 10/246:40 pmSIN - STS
1 stop19h 53mSingapore Airlines
Deal found 8/19$1,267
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Tue 10/712:41 pmSTS - SIN
1 stop28h 09mSingapore Airlines
Mon 10/208:45 pmSIN - STS
1 stop30h 16mSingapore Airlines
Deal found 8/19$1,274
This Singapore Airlines deal was found by Cheapflights users on 8/18. 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 10/2012:41 pmSTS - SIN
1 stop28h 09mSingapore Airlines
Sun 10/268:45 pmSIN - STS
1 stop28h 25mSingapore Airlines
Deal found 8/18$1,275

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 August 20, 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

Wed 9/10

3:07 pm-5:15 am

1 stop23h 08m

Singapore Changi

Tue 10/21

9:00 am-1:36 pm

1 stop19h 36m

$920

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 10/7

7:00 am-12:20 am

2 stops26h 20m

Singapore Changi

Wed 10/22

8:05 am-4:54 pm

2 stops23h 49m

$987

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 10/7

7:00 am-12:20 am

2 stops26h 20m

Singapore Changi

Tue 10/21

8:05 am-4:54 pm

2 stops23h 49m

$987

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 10/7

7:00 am-12:20 am

2 stops26h 20m

Singapore Changi

Mon 10/20

8:05 am-4:51 pm

2 stops23h 46m

$1,066

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 9/2

3:07 pm-7:50 am

1 stop25h 43m

Singapore Changi

Tue 9/9

8:45 pm-7:12 pm

1 stop37h 27m

$1,116

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 10/8

7:00 am-12:20 am

2 stops26h 20m

Singapore Changi

Tue 10/21

8:05 am-4:54 pm

2 stops23h 49m

$1,124

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 10/8

7:00 am-12:20 am

2 stops26h 20m

Singapore Changi

Wed 10/22

8:05 am-4:54 pm

2 stops23h 49m

$1,124

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Thu 10/16

5:34 pm-7:50 am

1 stop23h 16m

Singapore Changi

Tue 10/21

9:00 am-1:36 pm

1 stop19h 36m

$1,135

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Wed 10/8

7:00 am-12:20 am

2 stops26h 20m

Singapore Changi

Mon 10/20

8:05 am-4:51 pm

2 stops23h 46m

$1,203

Santa RosaSingapore

STS - SIN

STSSIN

Santa Rosa Sonoma County

Tue 10/7

7:00 am-12:20 am

2 stops26h 20m

Singapore Changi

Thu 10/23

8:05 am-10:06 pm

2 stops29h 01m

$1,203

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 24 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, October is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $996). Flying from Santa Rosa to Singapore in December is currently the most expensive (average of $1,684). 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 $987, Japan Airlines can have you in Singapore from Santa Rosa in 26h 20m. 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, October is the cheapest month in which you can book a flight from Santa Rosa to Singapore (average of $996). Flying from Santa Rosa to Singapore in December is currently the most expensive (average of $1,684). 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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