FLIGHT HOP.fyi

✈ SEA → SIN

16H 12M FROM SEATTLE TO SINGAPORE. THIS IS NOT TRAVEL. THIS IS ENDURANCE.

Flight time
16h 12m
Distance
8,064 mi
Or
12,978 km
Jet lag
39h

Flight from Seattle to Singapore

From Sea-Tac (SEA), USA North America  →  Changi (SIN), Singapore Asia

↔ Flying the other way? Singapore → Seattle

How long is the flight from Seattle to Singapore?

A nonstop flight from Seattle (SEA) to Singapore (SIN) takes about 16 hours 12 minutes, covering a great-circle distance of 8,064 miles (12,978 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

16h 12m

Nonstop, scheduled

Distance

8,064 mi

12,978 km · great-circle

Avg speed

801 km/h

Door-to-door including taxi

Time zones & jet lag

Seattle timezone

UTC-7

America/Los_Angeles

Singapore timezone

UTC+32

Asia/Singapore

Time difference

+39h

39 hours ahead

Jet lag (rough)

~39d

Eastward — worse

CO₂ footprint per passenger

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

✈ Flight 1921 kg CO₂
🚗 Car (alone) 2219 kg CO₂
🚆 Train 532 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 Seattle

Flights to Singapore