Travel with Air Canada from Seattle to Sydney, Australia (SEA - SYD) from USD 1,062*

*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

Flights between Seattle and Sydney, Australia - our lowest fares in cash

Mar 2025
FromUSD 1,989*
Round Trip/Economy
Apr 2025
FromUSD 1,778*
Round Trip/Economy
May 2025
FromUSD 1,062*
Round Trip/Economy
USD 1.8K
USD 2.8K
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RangeUSD 1,778-USD 2,793

*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

Book flights from Seattle (SEA) to Sydney, Australia (SYD) | Air Canada

Weather in Sydney, Australia

Sunday

light rain

74°F

Mar 23, 2025

Monday

light rain

76°F

Mar 24, 2025

Tuesday

light rain

76°F

Mar 25, 2025

Wednesday

few clouds

78°F

Mar 26, 2025

Thursday

broken clouds

76°F

Mar 27, 2025

Friday

light rain

74°F

Mar 28, 2025

Saturday

light rain

73°F

Mar 29, 2025

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