Search & Compare - Seattle to Sydney Flights & Tickets

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Cheap flights from Seattle to Sydney (SEA to SYD)

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Sydney? Find the biggest savings on one-way and round-trip tickets right here.

Recent airfare deals on Seattle to Sydney

Alaska Airlines  AS
Alaska Airlines
Seattle
2025-03-29
Sydney
USD 695

One-way AS Economy fare found on 2025-03-26
Alaska Airlines  AS
Alaska Airlines
Seattle
2025-03-29
Sydney
USD 695

One-way AS Economy fare found on 2025-03-26
Fiji Airways  FJ
Fiji Airways
Seattle
2025-03-29
Sydney
USD 762

One-way FJ Economy fare found on 2025-03-26
Fiji Airways  FJ
Fiji Airways
Seattle
2025-03-29
Sydney
USD 762

One-way FJ Economy fare found on 2025-03-26
Fiji Airways  FJ
Fiji Airways
Seattle
2025-03-29
Sydney
USD 779

One-way FJ Economy fare found on 2025-03-26
Fiji Airways  FJ
Fiji Airways
Seattle
2025-03-29
Sydney
USD 779

One-way FJ Economy fare found on 2025-03-26
Fiji Airways  FJ
Fiji Airways
Seattle
2025-03-29
Sydney
USD 792

One-way FJ Economy fare found on 2025-03-26
Fiji Airways  FJ
Fiji Airways
Seattle
2025-03-29
Sydney
USD 792

One-way FJ Economy fare found on 2025-03-26
Air Canada  AC
Air Canada
Seattle
2025-07-14
Sydney
2025-07-31
USD 835

Round Trip AC Economy fare found on 2025-03-02
Air Canada  AC
Air Canada
Seattle
2025-07-14
Sydney
2025-07-31
USD 835

Round Trip AC Economy fare found on 2025-03-02


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from Seattle to Sydney

What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to SYD?
The most popular airline flying from Seattle to Sydney are Fiji Airways, Asiana Airlines, American Airlines, Air Canada, Qantas Airways, United Airlines, Alaska Airlines, Delta Airlines, All Nippon Airways
Can I fly from SEA to SYD non-stop?
NO
Which airlines fly nonstop between Seattle and Sydney?
The non-stop flights between Seattle and Sydney are .
What’s the earliest departure time from SEA to SYD Airport?
The earliest flight leaves SEA at 12:59 am and lands in SYD - Sydney Kingsford Smith International
What are the airports in Sydney?
SYD
Can I make changes to my Seattle to Sydney flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to SYD?
Read the fare rules of the Seattle to Sydney air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and Sydney?
Oneworld, Star Alliance, Oneworld, Star Alliance, Oneworld, Star Alliance, Oneworld, SkyTeam, Star Alliance operate flights between Seattle and Sydney
How long does a flight from Seattle to Sydney take?
It takes approximately 16 hour to fly non-stop from SEA to SYD, which is 7739.48 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to Sydney (SYD) ?
In the past couple of days, the cheapest tickets to SYD from SEA were found on Alaska Airlines : USD 695
Do I need a passport to fly between SEA and SYD?
Yes
What’s the latest departure time from SEA to SYD ?
The last flight leaves SEA at 11:59 pm

Flights from Seattle to Sydney

Origin AirportSeattle Tacoma International , Seattle, US
Destination AirportSydney Kingsford Smith International , Sydney, AU
Served by AirlinesFiji Airways, Asiana Airlines, American Airlines, Air Canada, Qantas Airways, United Airlines, Alaska Airlines, Delta Airlines, All Nippon Airways
Lowest PriceAlaska Airlines : USD 695
Distance7739 miles

Airlines Flying from Seattle Tacoma International

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