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.

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Last minute

Direct

Recent round-trip flight deals from California to Singapore

Tue, Oct 13 - Thu, Oct 22

11:45 am - 7:10 pmSFO San Francisco-SIN Singapore Changi

16h 25mnonstop

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

15h 45mnonstop

$695Singapore Airlines

Tue, Oct 27 - Wed, Nov 11

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

$695Singapore Airlines

Sat, Sep 5 - Tue, Sep 8

11:00 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$696United Airlines

Mon, Aug 31 - Thu, Sep 3

11:00 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

8:35 pm - 9:20 pmSIN Singapore Changi-SFO San Francisco

15h 45mnonstop

$696United Airlines

Thu, Jan 28 - Fri, Feb 19

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

25h 15m1 stop Tokyo Haneda

10:45 am - 3:20 pmSIN Singapore Changi-SFO San Francisco

20h 35m1 stop Tokyo Haneda

$700ANA

Tue, Jan 19 - Fri, Feb 19

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

25h 15m1 stop Tokyo Haneda

10:45 am - 3:20 pmSIN Singapore Changi-SFO San Francisco

20h 35m1 stop Tokyo Haneda

$700ANA

Tue, Sep 22 - Sat, Sep 26

10:40 pm - 6:15 amSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$702Lufthansa

Sat, Sep 12 - Wed, Sep 16

12:00 pm - 11:40 amSFO San Francisco-SIN Singapore Changi

32h 40m2 stops Shanghai Pu Dong Kunming Changshui

3:25 am - 9:05 amSIN Singapore Changi-SFO San Francisco

20h 40m1 stop Shanghai Pu Dong

$720China Eastern

Mon, Feb 8 - Fri, Mar 5

11:40 am - 5:00 amSFO San Francisco-SIN Singapore Changi

25h 20m1 stop Incheon Intl

1:35 am - 9:30 amSIN Singapore Changi-SFO San Francisco

23h 55m1 stop Incheon Intl

$725Korean Air

Thu, Sep 10 - Sat, Sep 26

12:20 pm - 5:15 amLAX Los Angeles-SIN Singapore Changi

25h 55m1 stop Vancouver Intl

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

22h 07m2 stops Vancouver Intl San Francisco

$770Multiple Airlines

Recent last minute flight deals from California to Singapore

Mon, Aug 24 - Fri, Sep 18

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

16h 25mnonstop

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

15h 30mnonstop

$696United Airlines

Tue, Aug 25 - Tue, Sep 15

11:00 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$696United Airlines

Sun, Aug 23 - Mon, Aug 31

1:40 am - 5:15 pmSFO San Francisco-SIN Singapore Changi

24h 35m1 stop Tokyo Haneda

10:00 pm - 4:30 pmSIN Singapore Changi-SFO San Francisco

33h 30m1 stop Tokyo Haneda

$726ANA

Sun, Aug 23 - Wed, Sep 16

10:55 am - 6:40 amSFO San Francisco-SIN Singapore Changi

28h 45m1 stop Tokyo Haneda

11:05 am - 4:30 pmSIN Singapore Changi-SFO San Francisco

20h 25m1 stop Tokyo Haneda

$726ANA

Sun, Aug 23 - Wed, Sep 16

11:00 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$747Multiple Airlines

Tue, Aug 25 - Thu, Sep 10

7:29 pm - 12:45 amLAX Los Angeles-SIN Singapore Changi

38h 16m2 stops Vancouver Intl Tokyo Narita

7:00 am - 11:27 amSIN Singapore Changi-LAX Los Angeles

19h 27m1 stop Vancouver Intl

$773Air Canada

Tue, Aug 25 - Thu, Sep 10

10:53 am - 12:45 amLAX Los Angeles-SIN Singapore Changi

46h 52m2 stops Vancouver Intl Tokyo Narita

7:00 am - 5:55 pmSIN Singapore Changi-LAX Los Angeles

25h 55m1 stop Vancouver Intl

$775Air Canada

Tue, Aug 25 - Thu, Sep 24

6:45 am - 11:40 pmLAX Los Angeles-SIN Singapore Changi

25h 55m2 stops Vancouver Intl Incheon Intl

7:00 am - 1:35 pmSIN Singapore Changi-LAX Los Angeles

21h 35m1 stop Vancouver Intl

$822Multiple Airlines

Sun, Aug 23 - Fri, Aug 28

7:15 am - 5:00 amLAX Los Angeles-SIN Singapore Changi

30h 45m2 stops Seattle/Tacoma Intl Incheon Intl

7:30 am - 3:20 pmSIN Singapore Changi-LAX Los Angeles

22h 50m1 stop Incheon Intl

$830Korean Air

Fri, Aug 21 - Tue, Sep 1

7:00 am - 5:00 amLAX Los Angeles-SIN Singapore Changi

31h 00m2 stops San Francisco Incheon Intl

10:00 pm - 9:40 amSIN Singapore Changi-LAX Los Angeles

26h 40m1 stop Incheon Intl

$830Korean Air

Recent direct flight deals from California to Singapore

Tue, Oct 13 - Thu, Oct 22

11:45 am - 7:10 pmSFO San Francisco-SIN Singapore Changi

16h 25mnonstop

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

15h 45mnonstop

$695Singapore Airlines

Tue, Oct 27 - Wed, Nov 11

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

$695Singapore Airlines

Sat, Sep 5 - Tue, Sep 8

11:00 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$696United Airlines

Mon, Aug 31 - Thu, Sep 3

11:00 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

8:35 pm - 9:20 pmSIN Singapore Changi-SFO San Francisco

15h 45mnonstop

$696United Airlines

Tue, Sep 22 - Sat, Sep 26

10:40 pm - 6:15 amSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$702Lufthansa

Mon, Sep 28 - Thu, Oct 15

10:40 pm - 6:15 amSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$746EVA Air

Sun, Nov 15 - Thu, Nov 26

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

$746EVA Air

Wed, Sep 23 - Mon, Oct 5

10:40 pm - 6:15 amSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 30mnonstop

$746Multiple Airlines

Wed, Sep 2 - Mon, Nov 16

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

16h 25mnonstop

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

15h 05mnonstop

$970Air India

Fri, Sep 4 - Mon, Nov 16

11:00 am - 6:35 pmSFO San Francisco-SIN Singapore Changi

16h 35mnonstop

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

15h 05mnonstop

$970Air India

Useful Info

Low season	July
High season	December
Cheapest flight	$372

Best time to beat the crowds but there is an average 18% increase in price.

Most popular time to fly with an average 38% 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.

Everything you need to know for your flight to Singapore

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SIN

$372 Find Cheap Flights from California to Singapore - Compare and Save

Cheap Flights from California to Singapore

Recent round-trip flight deals from California to Singapore

Recent one-way flight deals from California to Singapore

Recent last minute flight deals from California to Singapore

Recent direct flight deals from California to Singapore

Good to know

Low season

High season

Cheapest flight

Flights from California to Singapore: the best tips from KAYAK users

FAQs for booking flights from California to Singapore

Everything you need to know for your flight to Singapore

Information on the airport you'll fly into in Singapore

Cabin class types available on flights to California

Complete your trip to Singapore with a hotel stay or car rental

Find direct flights for Singapore

Flights to other popular destinations

Flights from domestic origins to Singapore

Choose which airport to fly into in Singapore

Find deals for your return flight