$621 Cheap United flights Seattle (SEA) to Sydney (SYD)

$621 Cheap United flights Seattle (SEA) to Sydney (SYD)

Prices were available within the past 7 days and start at $621 for one-way flights and $1,110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Mar 4 - Mon, Mar 30

SEA

Seattle

SYD

Sydney

$1,110 Roundtrip, found 1 day ago

$1,110

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 4 from Seattle to Sydney, returning Mon, Mar 30, priced at $1,110 found 1 day ago

Wed, Mar 4 - Sun, Mar 29

SEA

Seattle

SYD

Sydney

$1,118 Roundtrip, found 1 day ago

$1,118

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 4 from Seattle to Sydney, returning Sun, Mar 29, priced at $1,118 found 1 day ago

Wed, Mar 4 - Sat, Mar 28

SEA

Seattle

SYD

Sydney

$1,160 Roundtrip, found 1 day ago

$1,160

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 4 from Seattle to Sydney, returning Sat, Mar 28, priced at $1,160 found 1 day ago

Sat, Feb 28 - Sun, Mar 29

SEA

Seattle

SYD

Sydney

$1,168 Roundtrip, found 1 day ago

$1,168

Roundtrip

found 1 day ago

Select United flight, departing Sat, Feb 28 from Seattle to Sydney, returning Sun, Mar 29, priced at $1,168 found 1 day ago

Fri, Mar 6 - Sun, Mar 29

SEA

Seattle

SYD

Sydney

$1,178 Roundtrip, found 1 day ago

$1,178

Roundtrip

found 1 day ago

Select United flight, departing Fri, Mar 6 from Seattle to Sydney, returning Sun, Mar 29, priced at $1,178 found 1 day ago

Sat, Feb 28 - Sat, Mar 28

SEA

Seattle

SYD

Sydney

$1,210 Roundtrip, found 1 day ago

$1,210

Roundtrip

found 1 day ago

Select United flight, departing Sat, Feb 28 from Seattle to Sydney, returning Sat, Mar 28, priced at $1,210 found 1 day ago

Wed, Mar 4 - Tue, Mar 31

SEA

Seattle

SYD

Sydney

$1,260 Roundtrip, found 1 day ago

$1,260

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 4 from Seattle to Sydney, returning Tue, Mar 31, priced at $1,260 found 1 day ago