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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$386 CHEAP FLIGHTS from California to Singapore

SIN

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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, Sep 27 - Sat, Oct 10

7:21 am - 11:55 pm

SJC

SIN

25h 34m

2 stops

1:25 am - 5:02 pm

SIN

SJC

30h 37m

2 stops

$730Korean Air

Wed, Oct 28 - Tue, Nov 3

7:00 am - 12:10 am

ONT

SIN

26h 10m

2 stops

1:35 am - 5:17 pm

SIN

ONT

31h 42m

2 stops

$755Korean Air

Tue, Aug 11 - Wed, Aug 19

1:40 am - 5:15 pm

SFO

SIN

24h 35m

1 stop

6:15 am - 7:49 pm

SIN

SFO

28h 34m

2 stops

$768ANA

Sun, Aug 16 - Mon, Aug 24

9:07 pm - 6:40 am

SFO

SIN

42h 33m

2 stops

6:15 am - 10:40 am

SIN

SFO

19h 25m

1 stop

$769ANA

Tue, Nov 24 - Sun, Dec 13

11:50 pm - 9:55 pm

SFO

SIN

30h 05m

1 stop

11:10 pm - 2:00 pm

SIN

SFO

30h 50m

1 stop

$788Asiana Airlines

Wed, Nov 11 - Wed, Dec 2

11:50 pm - 9:55 pm

SFO

SIN

30h 05m

1 stop

11:10 pm - 2:00 pm

SIN

SFO

30h 50m

1 stop

$792Asiana Airlines

Sun, Sep 20 - Wed, Sep 23

2:10 pm - 6:35 pm

SJC

SIN

37h 25m

2 stops

8:35 pm - 12:01 pm

SIN

SJC

30h 26m

2 stops

$815United Airlines

Sat, Aug 22 - Sun, Sep 6

12:51 pm - 12:45 am

SJC

SIN

44h 54m

2 stops

8:45 am - 8:57 pm

SIN

SJC

27h 12m

2 stops

$833United Airlines

Thu, Aug 20 - Wed, Sep 16

6:00 am - 7:15 pm

ONT

SIN

46h 15m

2 stops

1:25 am - 10:40 pm

SIN

ONT

36h 15m

2 stops

$834Delta

Fri, Aug 21 - Sun, Sep 6

6:00 am - 7:15 pm

OAK

SIN

46h 15m

2 stops

7:30 am - 10:38 pm

SIN

OAK

30h 08m

2 stops

$834Delta

Useful Info

Low season	July
High season	December
Cheapest flight	$386

Best time to beat the crowds but there is an average 14% increase in price.

Most popular time to fly with an average 45% increase in price.

Flight from Ontario to Singapore

Verified travelerFlew with Singapore Airlines

SFO

SIN

Jun 2026

Always book directly with the airlines and avoid aggregators and agents

ClaudiaFlew with United Airlines

SFO

SIN

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

LAX

SIN

Dec 2024

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

AjayFlew with Singapore Airlines

LAX

SIN

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

SFO

SIN

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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Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

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Return flight deals

Information on the airport you'll fly into in Singapore

Singapore (SIN)

SIN

$386 Find Cheap Flights from California to Singapore - Compare and Save

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

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

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