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Cheap flights from Seattle to Sydney

SEA — SYD
5 Dec — 12 Dec1
1 adult
Tue 5/12
Tue 12/12

How to find the cheapest flight from Seattle (SEA) to Sydney (SYD)

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 November 2023.

Popular in

December

Cheapest in

September

Average price

C$ 1,615

Round-trip from

C$ 2,666
High demand for flights, 34% potential price rise
Best time to find cheap flights, 24% potential price drop
Average for round-trip flights in November 2023
From Seattle/Tacoma Intl to Sydney Kingsford Smith

SEA - SYD

Price

C$ 1,965 - C$ 3,357

SYD

Temperature

11 - 22 °C

SYD

Rainfall

50 - 130 mm

What is the cheapest day to fly round-trip from Seattle to Sydney?

Saturday flights are generally found to be more expensive for flights from Seattle to Sydney. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

How far in advance should I book a flight from Seattle to Sydney?

Travellers have found it’s best to book a flight 32 days in advance to save up to 32% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 32 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Sydney 1-2 weeks in advance for as low as C$ 1,682, or C$ 1,778 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Sydney?

Our data shows that September tends to be the cheapest month to fly to Sydney from Seattle. Users have commonly found prices around C$ 2,029 for the month, but tickets can be as low as C$ 1,136. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Seattle to Sydney (SEA - SYD)?

A simple way to save on the total cost of your ticket is to fly from Seattle to Sydney at noon. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Seattle to Sydney flight route?

What does SEA to SYD mean?

SEA and SYD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to SYD refers to a flight route from Seattle/Tacoma Intl Airport to Sydney Kingsford Smith Airport.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Seattle to Sydney

Discover the top airline that operate flights from Seattle to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 526,253 searches. Data last updated 30 November 2023.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,260AverageC$ 1,343FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Sydney?

Cheapflights makes it easy to find Seattle to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Seattle today and book when prices fit your budget.

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