The stunning glass architecture of Gardens by the Bay in Singapore showcases modern design and innovative engineering. — flights from San Francisco to Singapore
San FranciscoSingapore, Singapore

Flights from San Francisco to Singapore

Nonstop flights from San Francisco (SFO) to Singapore (SIN) take about 17h 29m (13,581 km). Singapore Airlines and United Airlines fly it. Lowest fare seen: $312 one-way, nonstop (12 Oct 2026).

All flights from San Francisco →All flights to Singapore →

Photo of Singapore: Jurgen Lasa on Pexels.

When you land in Singapore

The airport transfer and the few things worth sorting before you fly.

Find hotels in Singapore

Hotels, hostels & more · Trip.com

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Airlines flying San Francisco to Singapore

Carriers on SFO–SIN according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Singapore Airlinesnonstop fare seen✈ United Airlinesnonstop fare seen

San Francisco to Singapore fares by month

Cheapest month seen for a nonstop flight: Feb 2027, from $325 one-way. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$139831 Oct 2026 · United Airlines$453 · 1 stop31 Oct 2026
Nov 2026$36530 Nov 2026 · Singapore Airlines$329 · 1 stop8 Nov 2026
Dec 2026$121524 Dec 2026 · United Airlines$630 · 2 stops26 Dec 2026
Feb 2027$32522 Feb 2027 · Singapore Airlines—

When to go for the lowest fare

Fares were close across the months we saw: $329 for November 2026, $325 at best after that.

Nonstop or with a stop

A connection undercut nonstop in 3 of 3 months with both fares.

From Travelpayouts flight-search data, city to city (San Francisco to Singapore, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Singapore

Based on weather and travel conditions in Singapore

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best monthsGoodAvoid if possible

Singapore is a year-round destination. February–August sees the least rainfall. The northeast monsoon (December–March) brings more rain, but showers are typically short.

Peak season: February – August

More for this trip

Frequently asked questions — San Francisco to Singapore flights

How long is the flight from San Francisco to Singapore?
A nonstop flight from San Francisco (SFO) to Singapore (SIN) takes about 17h 29m, covering 13,581 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is San Francisco from Singapore by air?
The great-circle distance between San Francisco International Airport and Singapore Changi Airport is 13,581 km (8,439 miles), a ultra long-haul route.
Which airlines fly from San Francisco to Singapore?
Airlines with flights or nonstop fares on the SFO–SIN route include Singapore Airlines and United Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from San Francisco to Singapore cost?
The lowest one-way fare seen recently on SFO–SIN was $312 USD with Singapore Airlines (nonstop), departing 16 Mar 2027, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from San Francisco to Singapore?
In fares seen on 22 Oct 2026, departures in February 2027 were cheapest, from $325 one-way, against $630 for December 2026, the dearest month. Fares change daily, so check your own dates.
Do I need a visa to travel from San Francisco to Singapore?
It depends on your passport. Some nationalities can enter Singapore visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Singapore?
Singapore is a year-round destination. February–August sees the least rainfall. The northeast monsoon (December–March) brings more rain, but showers are typically short.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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