Cheapest one-way flights from Seattle to Sydney in November from $602

Best time to book flights for Seattle (SEA) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest one-way flights from Seattle (SEA) to Sydney (SYD) in November 2025 (see full year).

One-Way flights

14 Nov Delta

Also check the deals for return flights from Seattle to Sydney in November.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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