Flight time from Seattle to Sydney (Mascot)
SEA → SYD · Seattle–Tacoma International Airport to Sydney Kingsford Smith International Airport
The flight from Seattle (SEA) to Sydney (Mascot) (SYD) takes about 14h 5m nonstop on a widebody airliner, covering 7,750 miles (12,472 km).
How the aircraft compares
Regional jetEmbraer E175, CRJ
Beyond range
NarrowbodyBoeing 737, Airbus A320
Beyond range
WidebodyBoeing 787, A350, 777
14h 5m
When will you arrive?
Sydney (Mascot) is 17 hours ahead of Seattle. You cross 17 time zones heading east. Eastbound trips like this one tend to be harder to adjust to, so plan for a day or two of jet lag.
See your exact arrival time
Plan the trip
We may earn a commission if you book through these links, at no extra cost to you.
Common questions
- How long is the flight from Seattle to Sydney (Mascot)?
- About 14h 5m nonstop on a widebody airliner. Airlines add taxi and buffer time to the schedule.
- How far is it?
- 7,750 miles, or 12,472 km (6,734 nautical miles) in a straight line.
- What is the time difference?
- Sydney (Mascot) is 17 hours ahead of Seattle.
Other routes