S$803 Cheap Flights from Seattle to Sydney

Featured airlines

Singapore Airlines
AirAsia
Scoot
Philippine Airlines
Malaysia Airlines
Thai Airways International
Asiana Airlines
Qatar Airways
Air India
  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Seattle to Sydney (SEA-SYD)

Prices were available within the past 7 days and start at S$803 for one-way flights and S$1,366 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Hawaiian Airlines
Air Canada
Delta
Delta
United
United
Delta
Air Canada
American Airlines
*Available to Expedia members.