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.

$354 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

Sat, Nov 7 - Sun, Nov 15

7:31 am - 5:00 amSJC San Jose-SIN Singapore Changi

29h 29m2 stops Seattle/Tacoma Intl Incheon Intl

10:30 pm - 5:09 pmSIN Singapore Changi-SJC San Jose

34h 39m2 stops Incheon Intl Seattle/Tacoma Intl

$662Korean Air

Mon, Nov 16 - Sun, Nov 22

7:00 am - 12:15 amSJC San Jose-SIN Singapore Changi

25h 15m2 stops Los Angeles Incheon Intl

1:40 am - 2:16 pmSIN Singapore Changi-SJC San Jose

28h 36m2 stops Incheon Intl Los Angeles

$682Korean Air

Mon, Nov 16 - Mon, Nov 23

10:25 pm - 6:50 amLAX Los Angeles-SIN Singapore Changi

40h 25m1 stop Beijing Capital

9:30 am - 7:00 pmSIN Singapore Changi-LAX Los Angeles

25h 30m1 stop Beijing Capital

$687Air China

Wed, Nov 25 - Wed, Jan 20

7:03 pm - 7:00 amLAX Los Angeles-SIN Singapore Changi

43h 57m2 stops Denver Intl Vancouver Intl

11:10 pm - 4:41 pmSIN Singapore Changi-LAX Los Angeles

33h 31m2 stops Incheon Intl Vancouver Intl

$687Multiple Airlines

Sun, Oct 25 - Mon, Nov 9

2:20 pm - 9:55 pmLAX Los Angeles-SIN Singapore Changi

40h 35m1 stop Beijing Capital

9:30 am - 7:00 pmSIN Singapore Changi-LAX Los Angeles

25h 30m1 stop Beijing Capital

$688Air China

Wed, Oct 28 - Thu, Nov 5

7:15 am - 7:00 amLAX Los Angeles-SIN Singapore Changi

32h 45m1 stop Vancouver Intl

8:40 am - 2:16 pmSIN Singapore Changi-LAX Los Angeles

21h 36m1 stop Vancouver Intl

$689Air Canada

Wed, Oct 28 - Tue, Nov 3

3:15 pm - 7:00 amLAX Los Angeles-SIN Singapore Changi

24h 45m1 stop Vancouver Intl

8:40 am - 2:16 pmSIN Singapore Changi-LAX Los Angeles

21h 36m1 stop Vancouver Intl

$689Air Canada

Thu, Oct 22 - Wed, Nov 4

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

$696United Airlines

Mon, Nov 2 - Thu, Dec 17

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

17h 20mnonstop

10:10 am - 9:10 amSIN Singapore Changi-SFO San Francisco

15h 00mnonstop

$697United Airlines

Wed, Nov 25 - Wed, Jan 20

7:15 am - 7:00 amLAX Los Angeles-SIN Singapore Changi

31h 45m1 stop Vancouver Intl

11:10 pm - 4:41 pmSIN Singapore Changi-LAX Los Angeles

33h 31m2 stops Incheon Intl Vancouver Intl

$699Multiple Airlines

Recent last minute flight deals from California to Singapore

Mon, Oct 5 - Tue, Oct 20

6:00 am - 6:35 pmLAX Los Angeles-SIN Singapore Changi

21h 35m1 stop San Francisco

11:20 am - 6:45 pmSIN Singapore Changi-LAX Los Angeles

22h 25m1 stop Tokyo Haneda

$759Lufthansa

Wed, Oct 7 - Sat, Nov 14

6:00 am - 6:35 pmLAX Los Angeles-SIN Singapore Changi

21h 35m1 stop San Francisco

10:20 pm - 8:38 amSIN Singapore Changi-LAX Los Angeles

26h 18m1 stop San Francisco

$773United Airlines

Mon, Oct 5 - Tue, Oct 13

7:35 pm - 11:55 pmLAX Los Angeles-SIN Singapore Changi

37h 20m2 stops Las Vegas Harry Reid Intl Incheon Intl

1:25 am - 9:40 amSIN Singapore Changi-LAX Los Angeles

23h 15m1 stop Incheon Intl

$773Korean Air

Tue, Oct 6 - Tue, Oct 13

3:25 pm - 11:55 pmLAX Los Angeles-SIN Singapore Changi

41h 30m2 stops Las Vegas Harry Reid Intl Incheon Intl

1:25 am - 2:50 pmSIN Singapore Changi-LAX Los Angeles

28h 25m1 stop Incheon Intl

$773Korean Air

Mon, Oct 5 - Fri, Nov 13

10:35 pm - 6:35 pmLAX Los Angeles-SIN Singapore Changi

29h 00m1 stop San Francisco

10:10 am - 3:25 pmSIN Singapore Changi-LAX Los Angeles

21h 15m1 stop San Francisco

$773United Airlines

Thu, Oct 8 - Fri, Nov 13

12:45 pm - 6:40 amLAX Los Angeles-SIN Singapore Changi

26h 55m1 stop Tokyo Narita

6:35 am - 2:01 pmSIN Singapore Changi-LAX Los Angeles

23h 26m2 stops Tokyo Narita San Francisco

$836ANA

Wed, Oct 7 - Tue, Oct 13

11:59 pm - 5:15 amSFO San Francisco-SIN Singapore Changi

38h 16m2 stops Houston George Bush Intcntl Vancouver Intl

7:00 am - 12:54 pmSIN Singapore Changi-SFO San Francisco

20h 54m2 stops Vancouver Intl Portland

$853Multiple Airlines

Thu, Oct 8 - Sat, Oct 17

11:45 pm - 1:15 pmLAX Los Angeles-SIN Singapore Changi

22h 30m1 stop Manila Ninoy Aquino Intl

12:35 am - 1:45 pmSIN Singapore Changi-LAX Los Angeles

28h 10m1 stop Manila Ninoy Aquino Intl

$856Philippine Airlines

Mon, Oct 5 - Thu, Nov 19

12:30 am - 1:15 pmSFO San Francisco-SIN Singapore Changi

21h 45m1 stop Manila Ninoy Aquino Intl

11:25 am - 7:45 pmSIN Singapore Changi-SFO San Francisco

24h 20m1 stop Manila Ninoy Aquino Intl

$856Philippine Airlines

Tue, Oct 6 - Wed, Oct 14

10:45 am - 11:20 pmLAX Los Angeles-SIN Singapore Changi

21h 35m1 stop Tokyo Narita

10:00 pm - 5:49 pmSIN Singapore Changi-LAX Los Angeles

34h 49m2 stops Tokyo Haneda San Francisco

$965ANA

Recent direct flight deals from California to Singapore

Thu, Oct 22 - Wed, Nov 4

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

$696United Airlines

Tue, Jan 26 - Tue, Mar 16

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

17h 25mnonstop

9:05 am - 8:50 amSIN Singapore Changi-SFO San Francisco

14h 45mnonstop

$696Singapore Airlines

Mon, Mar 1 - Thu, Mar 11

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

Mon, Nov 2 - Thu, Dec 17

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

17h 20mnonstop

10:10 am - 9:10 amSIN Singapore Changi-SFO San Francisco

15h 00mnonstop

$697United Airlines

Sun, Jan 17 - Wed, Feb 3

10:35 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 40mnonstop

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

14h 55mnonstop

$754Multiple Airlines

Wed, Jan 13 - Mon, Feb 1

10:35 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 40mnonstop

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

14h 55mnonstop

$754Multiple Airlines

Wed, Mar 10 - Thu, Mar 25

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

$959EVA Air

Wed, Nov 25 - Mon, Nov 30

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

17h 35mnonstop

10:10 am - 9:15 amSIN Singapore Changi-SFO San Francisco

15h 05mnonstop

$1,300ANA

Mon, Dec 21 - Tue, Dec 29

10:35 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 40mnonstop

10:10 am - 9:10 amSIN Singapore Changi-SFO San Francisco

15h 00mnonstop

$2,110ANA

Thu, Dec 24 - Tue, Jan 5

10:35 am - 8:15 pmSFO San Francisco-SIN Singapore Changi

17h 40mnonstop

10:10 am - 9:10 amSIN Singapore Changi-SFO San Francisco

15h 00mnonstop

$2,391EVA Air

Useful Info

Low season	July
High season	December
Cheapest flight	$354

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

Most popular time to fly with an average 55% increase in price.

Flight from Ontario 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.