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Cheap flights from California to Singapore from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Singapore departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from California to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
7:45 am - 12:10 am
SJC
-
SIN
24h 25m2 stops
Korean Air Logo
1:35 am - 1:34 pm
SIN
-
SJC
27h 59m2 stops
$590Korean Air
Tue, Feb 3 - Mon, Feb 9
United Airlines Logo
10:35 am - 8:15 pm
SFO
-
SIN
17h 40mnonstop
United Airlines Logo
10:10 am - 9:00 am
SIN
-
SFO
14h 50mnonstop
$641United Airlines
Wed, Jan 28 - Tue, Feb 10
United Airlines Logo
10:35 am - 8:15 pm
SFO
-
SIN
17h 40mnonstop
United Airlines Logo
10:10 am - 9:00 am
SIN
-
SFO
14h 50mnonstop
$642United Airlines
Mon, Jan 12 - Sun, Jan 25
Air India Logo
4:30 pm - 6:30 pm
SFO
-
SIN
34h 00m2 stops
Air India Logo
11:00 pm - 12:25 pm
SIN
-
SFO
29h 25m1 stop
$643Air India
Thu, Jan 22 - Mon, Feb 2
Air India Logo
10:50 pm - 7:05 pm
SFO
-
SIN
28h 15m2 stops
Air India Logo
8:20 am - 8:00 am
SIN
-
SFO
38h 40m1 stop
$644Air India
Fri, Feb 27 - Wed, Mar 11
China Southern Logo
11:35 pm - 4:45 pm
SFO
-
SIN
25h 10m2 stops
China Southern Logo
8:00 am - 7:40 pm
SIN
-
SFO
27h 40m2 stops
$646China Southern
Thu, Jan 22 - Thu, Feb 5
Delta Logo
7:30 am - 12:10 am
ONT
-
SIN
24h 40m2 stops
Delta Logo
10:40 am - 10:33 pm
SIN
-
ONT
26h 53m2 stops
$648Delta
Mon, Mar 2 - Tue, Mar 10
Asiana Airlines Logo
11:30 pm - 9:30 pm
SFO
-
SIN
31h 00m1 stop
Asiana Airlines Logo
10:50 pm - 3:00 pm
SIN
-
SFO
31h 10m1 stop
$648Asiana Airlines
Wed, Apr 29 - Tue, May 12
Asiana Airlines Logo
11:50 pm - 9:55 pm
SFO
-
SIN
30h 05m1 stop
Asiana Airlines Logo
11:10 pm - 2:00 pm
SIN
-
SFO
30h 50m1 stop
$650Asiana Airlines
Sun, Jan 18 - Tue, Jan 27
Delta Logo
1:10 pm - 12:10 am
ONT
-
SIN
43h 00m2 stops
Delta Logo
10:40 am - 10:33 pm
SIN
-
ONT
26h 53m2 stops
$654Delta
Wed, Feb 25 - Wed, Mar 11

Korean Air flights from California to Singapore

Our best Korean Air deals on California to Singapore flight tickets
Korean Air
Feb 3
SJC7:45 amSan Jose
24h 25m
2 stops
SIN12:10 amSingapore Changi
Feb 9
SIN1:35 amSingapore Changi
27h 59m
2 stops
SJC1:34 pmSan Jose
$590
Find similar
Korean Air
Feb 13
SFO11:40 amSan Francisco
25h 20m
1 stop
SIN5:00 amSingapore Changi
Feb 22
SIN10:30 pmSingapore Changi
27h 00m
1 stop
SFO9:30 amSan Francisco
$658
Find similar
Korean Air
Feb 15
SFO4:02 pmSan Francisco
36h 23m
2 stops
SIN8:25 pmSingapore Changi
Mar 11
SIN10:30 pmSingapore Changi
27h 00m
1 stop
SFO10:30 amSan Francisco
$664
Find similar

United Airlines flights from California to Singapore

Our best United Airlines deals on California to Singapore flight tickets
United Airlines
Jan 28
SFO10:35 amSan Francisco
17h 40m
SIN8:15 pmSingapore Changi
Feb 10
SIN10:10 amSingapore Changi
14h 50m
SFO9:00 amSan Francisco
$641
Find similar
United Airlines
Jan 12
SFO10:35 amSan Francisco
17h 40m
SIN8:15 pmSingapore Changi
Jan 25
SIN10:10 amSingapore Changi
14h 50m
SFO9:00 amSan Francisco
$642
Find similar
United Airlines
Jan 28
SFO10:35 amSan Francisco
17h 40m
SIN8:15 pmSingapore Changi
Feb 10
SIN10:45 amSingapore Changi
20h 35m
1 stop
SFO3:20 pmSan Francisco
$651
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California 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, momondo users made 832,500 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from California to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseSingapore

SJC - SIN

SJCSIN

San Jose

Tue 2/3

7:45 am-12:10 am

2 stops24h 25m

Singapore Changi

Mon 2/9

1:35 am-1:34 pm

2 stops27h 59m

$590

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 1/28

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Tue 2/10

10:10 am-9:00 am

Nonstop14h 50m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 1/12

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Sun 1/25

10:10 am-9:00 am

Nonstop14h 50m

$642

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 1/22

4:30 pm-6:30 pm

2 stops34h 00m

Singapore Changi

Mon 2/2

11:00 pm-12:25 pm

1 stop29h 25m

$643

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 2/27

10:50 pm-7:05 pm

2 stops28h 15m

Singapore Changi

Wed 3/11

8:20 am-8:00 am

1 stop38h 40m

$644

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 1/22

11:35 pm-4:45 pm

2 stops25h 10m

Singapore Changi

Thu 2/5

8:00 am-7:40 pm

2 stops27h 40m

$646

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 3/2

7:30 am-12:10 am

2 stops24h 40m

Singapore Changi

Tue 3/10

10:40 am-10:33 pm

2 stops26h 53m

$648

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 4/29

11:30 pm-9:30 pm

1 stop31h 00m

Singapore Changi

Tue 5/12

10:50 pm-3:00 pm

1 stop31h 10m

$648

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 1/18

11:50 pm-9:55 pm

1 stop30h 05m

Singapore Changi

Tue 1/27

11:10 pm-2:00 pm

1 stop30h 50m

$650

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 2/25

1:10 pm-12:10 am

2 stops43h 00m

Singapore Changi

Wed 3/11

10:40 am-10:33 pm

2 stops26h 53m

$654

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from California to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Singapore?

The month of September is, on average, the cheapest month to fly to Singapore from California, with most prices found around $747. If you aren’t able to travel to Singapore during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $751.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from California to Singapore is on a Monday when prices can be found for as low as $840. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,042.

What is the cheapest time of day to depart on your flight to Singapore?

In the evening is the cheapest time of day to fly from California to Singapore when you can find flight prices for as low as $918. Flying to Singapore in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,303 on average. Flights to Singapore from California in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest California to Singapore flight route?

Fly from San Francisco to Singapore Changi for the best California - Singapore flight prices

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $927 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from California for as low as $812 on momondo.

What cabin class options are available on California to Singapore flights?

There are 3 cabin classes available to choose from on California to Singapore flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Singapore flights?

No. A direct flight is the cheapest option for a flight between California to Singapore.

Cheap California to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Singapore

Best Price Found

$335

Fastest flight time

16h 25m

Direct flights

Every day

Airports in Singapore

2 airports
The best one-way flight to Singapore from California in the past 72 hours is $335. The best round-trip flight deal from California to Singapore found on momondo in the last 72 hours is $682.
The fastest flight from California to Singapore takes 16h 25m
Direct flights go from California to Singapore every day.
There are 2 airports in Singapore. From California there are direct flights to Singapore Changi (SIN).
Search flight deals

  • When did momondo last update prices for flights from California to Singapore?

    Prices for flights from California to Singapore were last updated today.

  • How many operators does momondo search for flights from California to Singapore?

  • How old do you have to be to fly from California to Singapore?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Singapore.

  • What documentation or ID do you need to fly to Singapore?

    The required travel and health documents for your Singapore trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from California to Singapore?

Best airlines flying from California to Singapore

Compare and see reviews for airlines that fly from California to Singapore with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $446Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights
American AirlinesPriceFrom $490Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
Singapore AirlinesPriceFrom $569Free CancellationRating
8.1
1,414 reviews
Search Singapore Airlines flights
China EasternPriceFrom $582Free CancellationRating
7.2
179 reviews
Search China Eastern flights
Air IndiaPriceFrom $588Free CancellationRating
5.5
2,954 reviews
Search Air India flights
Philippine AirlinesPriceFrom $602Free CancellationRating
7.3
943 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $654Free CancellationRating
8.2
494 reviews
Search Asiana Airlines flights
ANAPriceFrom $654Free CancellationRating
8.4
1,034 reviews
Search ANA flights
Air ChinaPriceFrom $656Free CancellationRating
7.2
131 reviews
Search Air China flights
Korean AirPriceFrom $680Free CancellationRating
8.4
1,185 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from California to Singapore?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to Singapore for you.

Can I find flights from California to Singapore with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Singapore from California with this policy.

How can momondo help me find flights from California to Singapore?

Once all potential California to Singapore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from California to Singapore right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Singapore, momondo offers a useful price alert feature which will track prices for flights to Singapore from California and alert you when they change.

An easier way to manage your Singapore trip

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