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Get United's best fares today on flights from Seattle to Sydney from *

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FromToDatesFare TypePrice

Seattle (SEA)

Sydney (SYD)

Depart: 06/26/20

Return: 07/06/20

Roundtrip
from
$1,333*
Viewed:10hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 06/26/20

Return: 07/07/20

Roundtrip
from
$1,329*
Viewed:15hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 12/11/19

Return: 04/01/20

Roundtrip
from
$2,219*
Viewed:8hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 12/27/19

Return: 12/29/19

Roundtrip
from
$4,216*
Viewed:8hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 10/15/20

Return: 10/27/20

Roundtrip
from
$1,743*
Viewed:16hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 12/20/19

Return: 01/01/20

Roundtrip
from
$3,162*
Viewed:8hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 11/01/20

Return: 11/09/20

Roundtrip
from
$1,859*
Viewed:8hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 10/24/20

Return: 11/01/20

Roundtrip
from
$1,859*
Viewed:9hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 01/31/20

Return: 02/08/20

Roundtrip
from
$1,378*
Viewed:9hoursago

Seattle (SEA)

Sydney (SYD)

Depart: 04/01/20

Return: 04/12/20

Roundtrip
from
$1,123*
Viewed:19hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Sydney

Saturday overcast clouds
71°F 12/07/19
Sunday light rain
72°F 12/08/19
Monday light rain
79°F 12/09/19
Tuesday light rain
96°F 12/10/19
Wednesday broken clouds
76°F 12/11/19
Thursday overcast clouds
72°F 12/12/19
Friday light rain
65°F 12/13/19
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