Are there direct flights from Singapore to San Francisco?

Historically, direct flights from Singapore to San Francisco made up approximately 12.4% of the available options. For flights with stopovers, travelers typically encountered a median of 2 stopovers. While direct options are available, a significant portion of flights on this route involve connections.

How long does it take to fly from Singapore to San Francisco?

A direct flight from Singapore to San Francisco typically takes about 15 hours and 10 minutes. For flights with one stop, the median duration extends to approximately 21 hours and 10 minutes. The total distance covered on this route is 13580 kilometers.

Should I set a price alert for Singapore to San Francisco flights?

Historically, deals on flights from Singapore to San Francisco have been frequent. This suggests that setting a price alert could be beneficial for travelers looking to secure a more favorable fare. Given the frequent fluctuations, an alert can help identify opportune booking times.

Flights From Singapore

To San Francisco

Cheap Flights from Singapore to San Francisco

Browse current best options from Singapore. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Singapore

RatePunk searches hundreds of travel sites at once for deals on flights to San Francisco

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Singapore to San Francisco

Explore current cheapest deals departing from Singapore to San Francisco

2026-09-11 – 2026-09-18
SIN - San Francisco
92% AI deal score
$986
$735
Round trip
2026-09-11 – 2026-09-24
SIN - San Francisco
91% AI deal score
$948
$735
Round trip
2026-10-13 – 2026-10-19
SIN - San Francisco
92% AI deal score
$1,029
$735
Round trip
2026-10-13 – 2026-10-23
SIN - San Francisco
92% AI deal score
$1,005
$735
Round trip
2026-11-06 – 2026-11-15
SIN - San Francisco
92% AI deal score
$1,010
$735
Round trip
2026-11-18 – 2026-11-25
SIN - San Francisco
93% AI deal score
$1,026
$736
Round trip
2026-09-17 – 2026-09-20
SIN - San Francisco
92% AI deal score
$1,026
$737
Round trip
2026-11-03 – 2026-11-10
SIN - San Francisco
92% AI deal score
$999
$737
Round trip
2026-11-18 – 2026-11-30
SIN - San Francisco
92% AI deal score
$1,021
$739
Round trip
2026-11-18 – 2026-11-26
SIN - San Francisco
92% AI deal score
$1,025
$744
Round trip

Singapore to San Francisco: Overview

Insights for flights from Singapore to San Francisco

For flights from Singapore to San Francisco, fares typically range from $760–$1567, with a median of $1263. Right now, fares are near the typical level, and about 19% of recent fares were classified as a good price. New deals appear almost daily for this long-haul route.

When looking for cheap flights from Singapore to San Francisco, the cheapest time to fly is often February, with a median fare of $651. Other cost-effective months include May, where the median fare is $695, and January, with a median of $717.

A typical journey from Singapore to San Francisco takes approximately 37h 43m, including connections. This is a long-haul route, covering a substantial distance of 13,580 km.

Most itineraries for this route connect at least once, with only 12.4% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2.

How much is a round trip from Singapore to San Francisco

Regular price: $879 - $1,538

Prices for flights from Singapore to San Francisco are currently below the regular range.

The regular price range for flights from Singapore to San Francisco is typically between $879 and $1538. The current lowest deal is $730 with Korean Air for travel from Sep 16-Sep 23.

now $730

Low $879

High $1,538

The cheapest time to fly from Singapore to San Francisco

The cheapest month to fly from Singapore to San Francisco is February, with a median price of $651. The most expensive month is December, with a median price of $1551. Prices are generally lower from January to November.

February

Cheapest

Flights from $651

December

Most Expensive

Flights from $1,551

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Singapore to San Francisco

United Airlines

Last-minute flights going from Singapore to San Francisco

Sat, Aug 22

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Air Canada

$1,088

$798

One-way

Thu, Sep 10

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Air Canada

$988

$788

One-way

Fri, Sep 11

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Korean Air

$988

$731

One-way

Fri, Sep 11

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Korean Air

$949

$733

One-way

Fri, Sep 11

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Korean Air

$1,015

$733

One-way

Sat, Sep 12

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Air Canada

$942

$783

One-way

Biggest price drops on these dates for flights from Singapore to San Francisco

22 nights

Dec 8 - Dec 30

$1,378 → $822

40%

3 nights

Dec 8 - Dec 11

$1,381 → $862

38%

17 nights

Dec 14 - Dec 31

$1,419 → $910

36%

13 nights

Dec 16 - Dec 29

$1,420 → $917

35%

Popular Airports to fly from Singapore to San Francisco

Singapore - San Francisco route insights

💸 Price insights

Recent fares near the typical level

Recent fares from Singapore to San Francisco are near the typical level at $1263.

📅 Best time to fly

February is the cheapest month to fly

Historically, February is the cheapest month to fly, with a median price of $651.

⏱️ Flight duration

Typically a long-haul flight

Flights to San Francisco typically take 37h 43m, with 2 stopovers when connecting.

✈️ Airlines & availability

Connecting flights are dominant

Only 12.4% of recent flights are direct, with connecting flights being dominant.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is an option for direct flights on this route.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from Singapore to San Francisco are frequent, appearing every 30 days.

Singapore main airports to depart from

Singapore Changi (SIN)

Cheapest

Singapore Changi Airport (SIN) is a great choice for flights from Singapore to San Francisco.

📍 ~18 km from city center (reachable by car or train)

💸 Flights from ~$738

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a key arrival point for flights from Singapore to San Francisco.

📍 ~20 km from San Francisco (reachable by car)

💸 Flights from ~$738

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Oakland International is a useful alternative with high flight frequency and direct BART public transit access.

📍 ~19 km from San Francisco (reachable by public transit)

💸 Flights from ~$1132

Frequently Asked Questions About Flights to San Francisco

Historically, booking flights from Singapore to San Francisco between 14-27 days in advance typically offers the best value. Prices for this window averaged around $1224. Waiting until 0-6 days before departure saw average prices rise to $1526, while booking 28-59 days out had an average price of $1558. Even booking 60+ days in advance was slightly higher at an average of $1262.

Across the trailing quarter, a good price for a flight from Singapore to San Francisco was considered to be around $760. The median price for this route was $1263. Prices historically ranged, with 75% of observed prices being $1567 or less. This $760 threshold represents a competitive fare for travelers.

Historically, February has been the cheapest month to fly from Singapore to San Francisco, with a median price of $651. May also offered competitive prices, with a median of $695. January had a median price of $717, making it another relatively affordable option compared to the annual median of $1263.

Related routes

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Flights to San Francisco from other cities

Flights from Edmonton to San Francisco Flights from Montreal to San Francisco Flights from Salt Lake City to San Francisco Flights from Santa Ana to San Francisco Flights from St. Louis to San Francisco Flights from Sydney to San Francisco Flights from Tampa to San Francisco Flights from Tokyo to San Francisco Flights from Tucson to San Francisco Flights from Vienna to San Francisco Flights from Warsaw to San Francisco Flights from Washington, D.C. to San Francisco

Singapore to San Francisco: Overview

Insights for flights from Singapore to San Francisco

A typical journey from Singapore to San Francisco takes approximately 37h 43m, including connections. This is a long-haul route, covering a substantial distance of 13,580 km.

Most itineraries for this route connect at least once, with only 12.4% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2.

How much is a round trip from Singapore to San Francisco

Regular price: $879 - $1,538

Prices for flights from Singapore to San Francisco are currently below the regular range.

The regular price range for flights from Singapore to San Francisco is typically between $879 and $1538. The current lowest deal is $730 with Korean Air for travel from Sep 16-Sep 23.

now $730

Low $879

High $1,538

The cheapest time to fly from Singapore to San Francisco

February

Cheapest

Flights from $651

December

Most Expensive

Flights from $1,551

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Singapore to San Francisco

United Airlines

Last-minute flights going from Singapore to San Francisco

Sat, Aug 22

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Air Canada

$1,088

$798

One-way

Thu, Sep 10

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Air Canada

$988

$788

One-way

Fri, Sep 11

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Korean Air

$988

$731

One-way

Fri, Sep 11

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Korean Air

$949

$733

One-way

Fri, Sep 11

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Korean Air

$1,015

$733

One-way

Sat, Sep 12

⌛ Last-Minute

SIN - San Francisco

Singapore (SIN) - San Francisco (SFO)

Air Canada

$942

$783

One-way

Biggest price drops on these dates for flights from Singapore to San Francisco

22 nights

Dec 8 - Dec 30

$1,378 → $822

40%

3 nights

Dec 8 - Dec 11

$1,381 → $862

38%

17 nights

Dec 14 - Dec 31

$1,419 → $910

36%

13 nights

Dec 16 - Dec 29

$1,420 → $917

35%

Popular Airports to fly from Singapore to San Francisco