Flight Route · International
Sydney → Seattle
SYD to SEA
Sydney Kingsford Smith Airport to Seattle–Tacoma International Airport: 7,750 miles (12,472 km), about 16h 5m airborne, −17h time-zone shift on arrival.
Distance
7,750 mi
12,472 km
Flight time
16h 5m
block time, approx
Time-zone shift
−17h
Sydney → Los_Angeles
International?
Yes
Australia → United States
SYD–SEA questions, answered
How long is the flight from Sydney to Seattle?
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A direct flight from Sydney Kingsford Smith Airport (SYD) to Seattle–Tacoma International Airport (SEA) takes approximately 16h 5m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from SYD to SEA?
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The great-circle distance from Sydney Kingsford Smith Airport to Seattle–Tacoma International Airport is approximately 7750 miles (12472 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Sydney and Seattle?
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Seattle is −17h relative to Sydney. Australia/Sydney → America/Los_Angeles.
Which airlines fly from SYD to SEA?
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Carriers serving both endpoints include various international and regional carriers. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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Yes. Sydney Kingsford Smith Airport is in Australia, and Seattle–Tacoma International Airport is in United States. Travelers should confirm passport, visa, and customs requirements before departure.
Can I track SYD–SEA flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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