Cheap flights from Seattle to South Coast

View AU$575 flight on Sat, 23 Aug. 2025Opens in a new window

Popular airlines from Seattle to South Coast

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • 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 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle (SEA) to South Coast (SYD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 19 Aug. - Sun, 14 Sep.
SEA
Seattle
SYD
Sydney
AU$1,173 Return, found 6 days ago
AU$1,173
Return
found 6 days ago
Select Air Canada flight, departing Tue, 19 Aug. from Seattle to Sydney, returning Sun, 14 Sep., priced at AU$1,173 found 6 days ago
American Airlines
Mon, 22 Sep. - Fri, 17 Oct.
PAE
Seattle
SYD
Sydney
AU$1,233 Return, found 19 hours ago
AU$1,233
Return
found 19 hours ago
Select American Airlines flight, departing Mon, 22 Sep. from Seattle to Sydney, returning Fri, 17 Oct., priced at AU$1,233 found 19 hours ago
Qantas Airways
Fri, 12 Sep. - Fri, 10 Oct.
SEA
Seattle
SYD
Sydney
AU$1,235 Return, found 1 day ago
AU$1,235
Return
found 1 day ago
Select Qantas Airways flight, departing Fri, 12 Sep. from Seattle to Sydney, returning Fri, 10 Oct., priced at AU$1,235 found 1 day ago
United
Mon, 22 Sep. - Fri, 17 Oct.
SEA
Seattle
SYD
Sydney
AU$1,259 Return, found 19 hours ago
AU$1,259
Return
found 19 hours ago
Select United flight, departing Mon, 22 Sep. from Seattle to Sydney, returning Fri, 17 Oct., priced at AU$1,259 found 19 hours ago
Delta
Wed, 24 Sep. - Wed, 21 Jan.
SEA
Seattle
SYD
Sydney
AU$1,259 Return, found 10 hours ago
AU$1,259
Return
found 10 hours ago
Select Delta flight, departing Wed, 24 Sep. from Seattle to Sydney, returning Wed, 21 Jan., priced at AU$1,259 found 10 hours ago
All Nippon Airways
Tue, 19 Aug. - Tue, 9 Sep.
SEA
Seattle
SYD
Sydney
AU$1,312 Return, found 6 days ago
AU$1,312
Return
found 6 days ago
Select All Nippon Airways flight, departing Tue, 19 Aug. from Seattle to Sydney, returning Tue, 9 Sep., priced at AU$1,312 found 6 days ago
*Available to Expedia members.