Seattle to Sydney flights
Seattle-Tacoma International (SEA), United States → Sydney Kingsford Smith (SYD), Australia
Set a price watch there and get an email or notification when the fare drops.
Cheapest dates in the next few weeks
| Wed 9 Dec | $603 |
| Tue 5 Jan | $691 |
| Wed 2 Dec | $700 |
| Thu 7 Jan | $722 |
| Sat 28 Nov | $747 |
One-way economy, estimated by Flight Wiki's fare model; typical day about $919. Prices change often, so check live prices before booking.
Questions
How long is the flight from Seattle to Sydney?
About 15h 38m nonstop. The distance is 12,472 km (7,750 miles). Flights with a stop take longer.
How much is a flight from Seattle to Sydney?
One-way economy fares are estimated between $603 and $1,502 over the coming weeks, about $919 on a typical day. Check live prices before you book.
What is the cheapest day to fly from Seattle to Sydney?
In our estimates Wednesday is usually the cheapest day. The cheapest dates right now are Wed 9 Dec, Tue 5 Jan, Wed 2 Dec.
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