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Cheap Flight Deals from Seattle to Sydney

Whether you’re going for a one-way or round-trip to Sydney, we’ve got you covered! Check out these different flight options from Seattle below.

  • One way
  • Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Best Time to Book Flights from Seattle to Sydney

Explore the best time to buy affordable tickets to Sydney with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Top Airlines Flying from Seattle to Sydney

Which airline provides the cheapest flights from Seattle to Sydney? Discover the option that best suits your travel needs before embarking on your journey.

Hawaiian Airlines
From AU$ 542
Alaska Airlines
From AU$ 542
Delta Air Lines
From AU$ 588
Frontier Airlines
From AU$ 773
United Airlines
From AU$ 802
Air Canada
From AU$ 838
American Airlines
From AU$ 860
Asiana Airlines
From AU$ 903
Qantas Airways
From AU$ 911
All Nippon Airways
From AU$ 929

Find more flights and airlines

Alternative Routes from Seattle to Sydney

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Sydney from Seattle which could help you save money and time.

  • Cheapest
    Hawaiian Airlines
    SEA
    07:00
    37h 35m
    1 transfer
    SYD
    15:35
    Seattle-Tacoma International Airport - Kingsford Smith Airport
    Sun, Dec 8Hawaiian Airlines
    AU$ 542
  • Hahn Air
    LKE
    09:35
    26h 0m
    1 transfer
    SYD
    06:35
    Lake Union Sea Plane Base - Kingsford Smith Airport
    Mon, Dec 23Hahn Air
    AU$ 1,840
  • Hahn Air
    LKE
    09:35
    26h 0m
    1 transfer
    SYD
    06:35
    Lake Union Sea Plane Base - Kingsford Smith Airport
    Mon, Dec 23Hahn Air
    AU$ 1,840
    Find More Flights

FAQ

  • When are flight from Seattle (SEA) to Sydney (SYD) the cheapest?

    Airlines adjust prices for flights from Seattle to Sydney based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Seattle (SEA) to Sydney (SYD) cost?

    According to Trip.com's data, the lowest price is around AU$ 2,650.
  • What is the transportation method from the main airport to downtown in Sydney?

    • The distance from Kingsford Smith Airport to downtown is about 8km, by taxi about 20 minutes.
  • How many airports in Sydney (SYD)?

How to find a cheap flight from Seattle to Sydney

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Seattle to Sydney

Cheapest direct flight priceAU$ 541
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance12,472.44km
Popular airlineAlaska Airlines

Seattle to Sydney by air

Whether you're planning a trip from Seattle to Sydney or in search of Seattle to Sydney flights, you've landed at the perfect place. Kickstart your search for the best airfares by selecting your preferred travel date above. If you're eager to get insight into your journey, airlines, flight times, schedules, money-saving ticket strategies, and a wealth of other valuable information await you below. Keep reading to uncover all the essential details.

Seattle to Sydney airfares

The airfares for Seattle and Sydney can vary significantly. The price of an air ticket is influenced by various factors, including demand levels, selected travel dates and times, seat availability, and pricing strategies implemented by different airlines. Additionally, the fares may also be adjusted based on the travel class you choose, whether it's first class, business class, or economy class.

How to find cheap flights from Seattle to Sydney

To obtain the cheapest Seattle to Sydney air tickets, it takes a combination of flexibility, determination, and a touch of good fortune. Here are some valuable tips to assist you in finding the best prices:

  • 1. Stay flexible with your travel dates and times, as airfares are often more budget-friendly during early mornings, late evenings, and weekdays.
  • 2. Consider nearby alternative airports as they may provide more economical options.
  • 3. Explore booking separate one-way flights with different airlines, as two individual tickets can sometimes be cheaper than a round-trip.
  • 4. Opt for a connecting flight from Seattle to Sydney to potentially save on costs.
  • 5. Keep a vigilant eye out for unexpected last-minute flight deals that may appear out of the blue.

Airlines from Seattle to Sydney

The direct flights from Seattle to Sydney are currently unavailable. However, Qantas Airways and Virgin Australia has come up with a solution by offering convenient connecting flight options, making it easy for passengers to reach Sydney from Seattle.

Seattle to Sydney flight time

As there is no direct flight available from Seattle to Sydney, the total flight time is influenced by factors such as whether you need to pick up baggage or change terminals, whether the connecting flights depart from the same or different airports, whether you need to pass through border control and security lines, and flight delays. These variables can affect the overall travel duration. For accurate information, please verify flight details on the booking page.

Everything you need to know about Seattle airport

Seattle Airport, officially known as Seattle-Tacoma International Airport (SEA), is the main airport serving the Seattle metropolitan area. It operates through a central terminal building, divided into four concourses: Concourse A, Concourse B, Concourse C, and the South Satellite Terminal. The airport offers a wide range of flight routes, connecting Seattle to domestic and international destinations. Traveling between the airport and the city center is convenient with various transportation options available. The Light Rail service, taxis, and airport shuttles take approximately 30-45 minutes, depending on traffic conditions.

Arriving at Sydney airport

Sydney Airport (SYD), the busiest airport in Australia, operates through three main terminals: Terminal 1 for international flights, Terminal 2 for domestic flights, and Terminal 3, exclusively for Qantas flights. It offers a diverse range of flight routes, connecting Sydney to numerous global destinations. Traveling to and from the airport is convenient, with multiple transportation options available. The train journey from the city center takes approximately 13 minutes, while buses, rideshare, taxis provide alternative travel choices with travel times ranging from 20 to 30 minutes, depending on traffic conditions.

Book Seattle to Sydney flights on Trip.com to unlock extra benefits

Finding cheap airfares from Seattle to Sydney is just the beginning with Trip.com. In addition to finding great flight deals, we also offer a range of extra perks and benefits. By making your flight reservation with us, you gain access to exclusive discounts on hotels, car rentals, and airport transfers, allowing you to maximize savings on your journey. As a token of our gratitude, Trip.com rewards you with Tripcoins, our exclusive loyalty program currency, which can be redeemed for your future travels.