FLIGHT HOP.fyi

✈ SFO → SIN

16H 55M FLIGHT. YOU WILL FORGET WHAT GRASS LOOKS LIKE.

Flight time
16h 55m
Distance
8,438 mi
Or
13,580 km
Jet lag
15h

Flight from San Francisco to Singapore

From SFO (SFO), USA North America  →  Changi (SIN), Singapore Asia

↔ Flying the other way? Singapore → San Francisco

How long is the flight from San Francisco to Singapore?

A nonstop flight from San Francisco (SFO) to Singapore (SIN) takes about 16 hours 55 minutes, covering a great-circle distance of 8,438 miles (13,580 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

16h 55m

Nonstop, scheduled

Distance

8,438 mi

13,580 km · great-circle

Avg speed

803 km/h

Door-to-door including taxi

Time zones & jet lag

San Francisco timezone

UTC-7

America/Los_Angeles

Singapore timezone

UTC+8

Asia/Singapore

Time difference

+15h

15 hours ahead

Jet lag (rough)

~15d

Eastward — worse

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 2010 kg CO₂
🚗 Car (alone) 2322 kg CO₂
🚆 Train 557 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.

Flights from San Francisco

Nearest destinations

Long-haul from San Francisco

More flights to Asia

Flights to Singapore

Nearest origins

Long-haul to Singapore

More flights from North America