✈ SYD → SEA
15H 36M IN ECONOMY = A FELONY AGAINST YOURSELF. UPGRADE.
Flight from Sydney to Seattle
From Kingsford Smith (SYD), Australia Oceania → Sea-Tac (SEA), USA North America
↔ Flying the other way? Seattle → Sydney
How long is the flight from Sydney to Seattle?
A nonstop flight from Sydney (SYD) to Seattle (SEA) takes about 15 hours 36 minutes, covering a great-circle distance of 7,750 miles (12,472 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
15h 36m
Nonstop, scheduled
Distance
7,750 mi
12,472 km · great-circle
Avg speed
800 km/h
Door-to-door including taxi
Time zones & jet lag
Sydney timezone
UTC+10
Australia/Sydney
Seattle timezone
UTC-7
America/Los_Angeles
Time difference
-17h
17 hours behind
Jet lag (rough)
~11.9d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
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 Sydney
Nearest destinations
- Sydney → Melbourne
- Sydney → Auckland
- Sydney → Bali (Denpasar)
- Sydney → Manila
- Sydney → Singapore
- Sydney → Kuala Lumpur
- Sydney → Taipei
- Sydney → Hong Kong
- Sydney → Bangkok
- Sydney → Osaka
Long-haul from Sydney
- Sydney → Lisbon
- Sydney → Casablanca
- Sydney → Madrid
- Sydney → Dublin
- Sydney → Barcelona
- Sydney → London
- Sydney → Manchester
- Sydney → Paris
- Sydney → Edinburgh
- Sydney → Brussels
More flights to North America
Flights to Seattle
Nearest origins
- Vancouver → Seattle
- San Francisco → Seattle
- Las Vegas → Seattle
- Los Angeles → Seattle
- Dallas → Seattle
- Chicago → Seattle
- Toronto → Seattle
- Atlanta → Seattle
- Mexico City → Seattle
- New York → Seattle
Long-haul to Seattle
- Johannesburg → Seattle
- Cape Town → Seattle
- Nairobi → Seattle
- Melbourne → Seattle
- Bali (Denpasar) → Seattle
- Kuala Lumpur → Seattle
- Singapore → Seattle
- Mumbai → Seattle
- Abu Dhabi → Seattle
- Bangkok → Seattle