Book a trip from Seattle to Sydney with Cathay Pacific , fares from USD1,091
expand_more
1 Passenger(s), Economy
expand_moreDISCOUNT CODE (OPTIONAL)
expand_moretoday
today
Deals on Seattle (SEA) to Sydney (SYD) flights
expand_more
location_on
location_on
Book flights to Sydney SYD
flight_takeoff
flight_land
USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Sydney (SYD) | Round-trip / Economy | 06/03/2026 - 13/03/2026 | From USD1,306 Seen 1 day ago | |
| Seattle (SEA) | Sydney (SYD) | Round-trip / Economy | 14/08/2026 - 31/08/2026 | From USD1,246 Seen 1 day ago | |
| Seattle (SEA) | Sydney (SYD) | Round-trip / Economy | 10/06/2026 - 17/06/2026 | From USD1,755 Seen 1 day ago | |
| Seattle (SEA) | Sydney (SYD) | Round-trip / Economy | 01/07/2026 - 11/07/2026 | From USD1,815 Seen 1 day ago |
Book Business Class flights to Sydney - selected offers
flight_takeoff
flight_land
USD
There are no fares that match your filter criteria. Please adjust your filters.
There are no fares that match your filter criteria. Please adjust your filters.Explore More Flights from Other Popular Origins
The Cathay Pacific experience
-
Spacious cabins and world-class service
-
Complete flexibility when you book
-
Fresher flavours, now ready for Business
-
Our intuitive digital experience