How does KAYAK find such low prices on flights from California to Singapore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Singapore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Singapore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Singapore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Singapore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$372 CHEAP FLIGHTS from California to Singapore

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Cheap Flights from California to Singapore

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from California to Singapore

Sun, Nov 29 - Wed, Dec 9

9:40 am - 7:05 pmSFO San Francisco-SIN Singapore Changi

17h 25mnonstop

9:05 am - 7:50 amSIN Singapore Changi-SFO San Francisco

14h 45mnonstop

$696Singapore Airlines

Thu, Oct 29 - Thu, Nov 12

10:40 am - 7:05 pmSFO San Francisco-SIN Singapore Changi

17h 25mnonstop

9:05 am - 7:50 amSIN Singapore Changi-SFO San Francisco

14h 45mnonstop

$696Singapore Airlines

Thu, Sep 17 - Thu, Sep 24

10:40 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 55mnonstop

8:35 pm - 9:05 pmSIN Singapore Changi-SFO San Francisco

15h 30mnonstop

$697United Airlines

Tue, Nov 24 - Tue, Dec 8

10:40 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 35mnonstop

10:20 pm - 9:15 pmSIN Singapore Changi-SFO San Francisco

14h 55mnonstop

$697United Airlines

Wed, Oct 21 - Wed, Oct 28

10:40 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 55mnonstop

10:10 am - 10:15 amSIN Singapore Changi-SFO San Francisco

15h 05mnonstop

$701Lufthansa

Tue, Jan 19 - Thu, Feb 18

12:20 am - 5:35 pmSFO San Francisco-SIN Singapore Changi

25h 15m1 stop Tokyo Haneda

12:55 am - 9:25 amSIN Singapore Changi-SFO San Francisco

24h 30m1 stop Tokyo Narita

$704ANA

Mon, Oct 19 - Mon, Oct 26

12:15 pm - 12:45 amSFO San Francisco-SIN Singapore Changi

21h 30m1 stop Tokyo Narita

10:45 am - 4:30 pmSIN Singapore Changi-SFO San Francisco

20h 45m1 stop Tokyo Haneda

$704ANA

Wed, Oct 21 - Wed, Oct 28

10:40 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 55mnonstop

10:45 am - 4:30 pmSIN Singapore Changi-SFO San Francisco

20h 45m1 stop Tokyo Haneda

$706Lufthansa

Thu, Oct 22 - Wed, Nov 11

12:00 pm - 2:25 amSFO San Francisco-SIN Singapore Changi

23h 25m1 stop Shanghai Pu Dong

12:25 am - 9:00 amSIN Singapore Changi-SFO San Francisco

24h 35m1 stop Shanghai Pu Dong

$722China Eastern

Thu, Oct 22 - Sun, Oct 25

12:00 pm - 5:00 pmSFO San Francisco-SIN Singapore Changi

38h 00m1 stop Shanghai Pu Dong

12:25 am - 10:00 amSIN Singapore Changi-SFO San Francisco

24h 35m1 stop Shanghai Pu Dong

$722China Eastern

Recent last minute flight deals from California to Singapore

Mon, Sep 7 - Wed, Sep 23

10:50 pm - 6:15 amSFO San Francisco-SIN Singapore Changi

16h 25mnonstop

8:45 am - 9:15 amSIN Singapore Changi-SFO San Francisco

15h 30mnonstop

$697United Airlines

Wed, Sep 9 - Sat, Sep 19

10:40 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 55mnonstop

8:35 pm - 9:05 pmSIN Singapore Changi-SFO San Francisco

15h 30mnonstop

$697United Airlines

Wed, Sep 9 - Mon, Sep 14

1:10 am - 5:15 pmSFO San Francisco-SIN Singapore Changi

25h 05m1 stop Tokyo Haneda

11:05 am - 9:28 amSIN Singapore Changi-SFO San Francisco

37h 23m2 stops Tokyo Haneda Vancouver Intl

$719ANA

Tue, Sep 8 - Wed, Sep 30

10:35 am - 6:40 amSFO San Francisco-SIN Singapore Changi

29h 05m1 stop Tokyo Haneda

11:05 am - 9:48 pmSIN Singapore Changi-SFO San Francisco

25h 43m2 stops Tokyo Haneda Vancouver Intl

$720ANA

Tue, Sep 8 - Mon, Sep 14

10:00 pm - 12:20 pmLAX Los Angeles-SIN Singapore Changi

23h 20m1 stop Shenzhen

7:00 pm - 7:00 pmSIN Singapore Changi-LAX Los Angeles

39h 00m1 stop Shenzhen

$766Multiple Airlines

Thu, Sep 10 - Sat, Sep 26

10:53 am - 5:15 amLAX Los Angeles-SIN Singapore Changi

27h 22m2 stops Denver Intl Vancouver Intl

7:00 am - 2:07 pmSIN Singapore Changi-LAX Los Angeles

22h 07m2 stops Vancouver Intl San Francisco

$767Multiple Airlines

Wed, Sep 9 - Tue, Oct 20

7:29 pm - 5:15 amLAX Los Angeles-SIN Singapore Changi

42h 46m1 stop Vancouver Intl

10:50 pm - 9:35 pmSIN Singapore Changi-LAX Los Angeles

37h 45m2 stops Incheon Intl Vancouver Intl

$771Air Canada

Thu, Sep 10 - Mon, Oct 19

2:35 pm - 5:15 amLAX Los Angeles-SIN Singapore Changi

23h 40m1 stop Vancouver Intl

10:50 pm - 4:00 pmSIN Singapore Changi-LAX Los Angeles

32h 10m2 stops Incheon Intl Vancouver Intl

$771Air Canada

Fri, Sep 11 - Thu, Oct 15

12:30 pm - 2:25 amLAX Los Angeles-SIN Singapore Changi

22h 55m1 stop Shanghai Pu Dong

12:55 am - 10:05 amSIN Singapore Changi-LAX Los Angeles

24h 10m1 stop Shanghai Pu Dong

$772China Eastern

Sat, Sep 12 - Thu, Oct 15

12:30 pm - 2:25 amLAX Los Angeles-SIN Singapore Changi

22h 55m1 stop Shanghai Pu Dong

3:25 am - 10:05 amSIN Singapore Changi-LAX Los Angeles

21h 40m1 stop Shanghai Pu Dong

$772China Eastern

Recent direct flight deals from California to Singapore

Sun, Nov 29 - Wed, Dec 9

9:40 am - 7:05 pmSFO San Francisco-SIN Singapore Changi

17h 25mnonstop

9:05 am - 7:50 amSIN Singapore Changi-SFO San Francisco

14h 45mnonstop

$696Singapore Airlines

Thu, Oct 29 - Thu, Nov 12

10:40 am - 7:05 pmSFO San Francisco-SIN Singapore Changi

17h 25mnonstop

9:05 am - 7:50 amSIN Singapore Changi-SFO San Francisco

14h 45mnonstop

$696Singapore Airlines

Tue, Nov 24 - Tue, Dec 8

10:40 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 35mnonstop

10:20 pm - 9:15 pmSIN Singapore Changi-SFO San Francisco

14h 55mnonstop

$697United Airlines

Tue, Oct 20 - Wed, Nov 25

10:40 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 55mnonstop

10:20 pm - 9:15 pmSIN Singapore Changi-SFO San Francisco

14h 55mnonstop

$697United Airlines

Wed, Oct 21 - Wed, Oct 28

10:40 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 55mnonstop

10:10 am - 10:15 amSIN Singapore Changi-SFO San Francisco

15h 05mnonstop

$701Lufthansa

Tue, Sep 29 - Sun, Oct 11

10:40 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 55mnonstop

8:35 pm - 9:05 pmSIN Singapore Changi-SFO San Francisco

15h 30mnonstop

$746EVA Air

Tue, Feb 23 - Sun, Mar 14

10:40 pm - 8:00 amSFO San Francisco-SIN Singapore Changi

17h 20mnonstop

10:20 pm - 10:15 pmSIN Singapore Changi-SFO San Francisco

14h 55mnonstop

$746Multiple Airlines

Thu, Oct 29 - Fri, Dec 4

11:40 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 35mnonstop

10:20 pm - 9:15 pmSIN Singapore Changi-SFO San Francisco

14h 55mnonstop

$746Air India

Tue, Nov 3 - Sun, Nov 15

10:40 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 35mnonstop

10:20 pm - 9:15 pmSIN Singapore Changi-SFO San Francisco

14h 55mnonstop

$973EVA Air

Sun, Nov 22 - Tue, Dec 8

10:40 pm - 8:00 amSFO San Francisco-SIN Singapore Changi

17h 20mnonstop

10:20 pm - 9:15 pmSIN Singapore Changi-SFO San Francisco

14h 55mnonstop

$973Air India

Useful Info

Low season	July
High season	December
Cheapest flight	$372

Best time to beat the crowds but there is an average 16% increase in price.

Most popular time to fly with an average 49% increase in price.

Flight from San Francisco to Singapore

Verified travelerFlew with Singapore Airlines-Jun 2026

Always book directly with the airlines and avoid aggregators and agents

ClaudiaFlew with United Airlines-Jun 2026

Please be careful: 1,5 hrs for transfer in San Francisco might not be enough time in the future

selamatFlew with Singapore Airlines-Dec 2024

Having comfortable clothing is the key for having a good trip and trying get some sleep.

AjayFlew with Singapore Airlines-Dec 2023

Although the flight is listed as 17 1/2 hours, actual flight time was only 16 1/2. Bring a sleep mask to ensure you rest during your flight - it helps reduce so e of the flight time and helps you arrive more refreshed.

Verified travelerFlew with Singapore Airlines-Jan 2024

The Singapore Changi airport if huge. After getting of the aircraft, the walk to immigration control was long. Once you get to the control area, the process was quick and easy.

How does KAYAK find such low prices on flights from California to Singapore?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Singapore.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Singapore?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Singapore?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Singapore?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.