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Cheap Flights from Sydney (SYD) to Seattle (SEA)

View AU$860 flight on Thu, 6 Aug 2026Opens in a new window

Popular airlines from Sydney Airport (SYD) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Sydney (SYD) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, 18 Jan - Sun, 24 Jan
SYD
Sydney
SEA
Seattle
AU$1,332 Return, found 14 hours ago
AU$1,332
Return
found 14 hours ago
Select Alaska Airlines flight, departing Mon, 18 Jan from Sydney to Seattle, returning Sun, 24 Jan, priced at AU$1,332 found 14 hours ago
United
Wed, 26 Aug - Wed, 2 Sept
SYD
Sydney
SEA
Seattle
AU$1,367 Return, found 1 hour ago
AU$1,367
Return
found 1 hour ago
Select United flight, departing Wed, 26 Aug from Sydney to Seattle, returning Wed, 2 Sept, priced at AU$1,367 found 1 hour ago
Delta
Wed, 26 Aug - Wed, 2 Sept
SYD
Sydney
SEA
Seattle
AU$1,376 Return, found 1 hour ago
AU$1,376
Return
found 1 hour ago
Select Delta flight, departing Wed, 26 Aug from Sydney to Seattle, returning Wed, 2 Sept, priced at AU$1,376 found 1 hour ago
American Airlines
Thu, 18 Mar - Wed, 31 Mar
SYD
Sydney
SEA
Seattle
AU$1,390 Return, found 6 hours ago
AU$1,390
Return
found 6 hours ago
Select American Airlines flight, departing Thu, 18 Mar from Sydney to Seattle, returning Wed, 31 Mar, priced at AU$1,390 found 6 hours ago
Qantas Airways
Mon, 2 Nov - Mon, 9 Nov
SYD
Sydney
SEA
Seattle
AU$1,410 Return, found 1 hour ago
AU$1,410
Return
found 1 hour ago
Select Qantas Airways flight, departing Mon, 2 Nov from Sydney to Seattle, returning Mon, 9 Nov, priced at AU$1,410 found 1 hour ago
Air Canada
Tue, 11 Aug - Mon, 31 Aug
SYD
Sydney
SEA
Seattle
AU$1,539 Return, found 1 day ago
AU$1,539
Return
found 1 day ago
Select Air Canada flight, departing Tue, 11 Aug from Sydney to Seattle, returning Mon, 31 Aug, priced at AU$1,539 found 1 day ago
Air New Zealand
Tue, 18 Aug - Wed, 9 Sept
SYD
Sydney
SEA
Seattle
AU$1,568 Return, found 5 days ago
AU$1,568
Return
found 5 days ago
Select Air New Zealand flight, departing Tue, 18 Aug from Sydney to Seattle, returning Wed, 9 Sept, priced at AU$1,568 found 5 days ago
Virgin Australia
Wed, 26 Aug - Wed, 2 Sept
SYD
Sydney
SEA
Seattle
AU$1,667 Return, found 1 hour ago
AU$1,667
Return
found 1 hour ago
Select Virgin Australia flight, departing Wed, 26 Aug from Sydney to Seattle, returning Wed, 2 Sept, priced at AU$1,667 found 1 hour ago
Asiana Airlines
Mon, 2 Nov - Mon, 9 Nov
SYD
Sydney
SEA
Seattle
AU$1,672 Return, found 1 hour ago
AU$1,672
Return
found 1 hour ago
Select Asiana Airlines flight, departing Mon, 2 Nov from Sydney to Seattle, returning Mon, 9 Nov, priced at AU$1,672 found 1 hour ago
Fiji Airways
Wed, 9 Sept - Wed, 30 Sept
SYD
Sydney
SEA
Seattle
AU$1,681 Return, found 6 days ago
AU$1,681
Return
found 6 days ago
Select Fiji Airways flight, departing Wed, 9 Sept from Sydney to Seattle, returning Wed, 30 Sept, priced at AU$1,681 found 6 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from AU$1,638
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from AU$1,638

Frequently asked questions

How much does a flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find one-way and return flights from SYD to SEA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SYD to SEA ticket fares go up or down.
What is the cheapest month to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from SYD to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter SYD to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 65 connecting flights per day from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Los Angeles Intl. (LAX), Auckland Intl. (AKL), and Brisbane, QLD (BNE).
What is the earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 6:00 AM. This service is operated by Emirates and runs year-round, meaning you can find this early flight option throughout January, February, March, April, May, June, July, August, September, October, November, and December. An early departure like this allows you to maximise your time upon arrival in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Saturday, with around 34 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Qantas Airways, United, and Air New Zealand. Flight schedules are quite consistent throughout the week, with Saturday offering only slightly more options than other days.
What are the most popular departure times for flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Sydney (SYD) to Seattle (SEA) are between 9am and 12pm. Many major carriers, including Air Canada, Delta and United, offer flights during this window. Many travellers prefer these times as they allow for a morning departure, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The journey covers a distance of approximately 12,472 kilometres. Flights with one stop typically take around 19 hours. If you have two or more stops, your travel time will be longer, usually around 23 hours 48 minutes. Keep in mind that these are average times, and your actual flight duration can vary depending on the specific route, layover times, and factors like wind patterns.
Can you fly business or first class from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between SYD and SEA. Airlines that offer business class service on this route include:
  • Fiji Airways
  • Korean Air
  • Cathay Pacific
  • Philippine Airlines
  • Qatar Airways
  • Emirates
  • Air New Zealand
  • Turkish Airlines
  • Garuda Indonesia
  • Singapore Airlines
  • Alaska Airlines
  • Asiana Airlines
  • Virgin Australia
  • Air Canada
  • Japan Airlines
  • Air Japan Company
  • Finnair
  • United
  • Qantas Airways
  • All Nippon Airways
  • American Airlines
  • China Airlines
First class cabins are available on Emirates, Qantas Airways, and American Airlines.
How do I earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Sydney, NSW (SYD)?
If you're planning to travel to Seattle from Kingsford Smith Intl. (SYD), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Auckland Intl. (AKL), Los Angeles Intl. (LAX), or Changi (SIN) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Sydney, NSW (SYD-Kingsford Smith Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, Emirates, Fiji Airways, Japan Airlines, Korean Air, Philippine Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Turkish Airlines, United, Virgin Australia
Return price
AU$1,331
Distance
12399 km

Book with confidence

Your quick guide to flights from Sydney to Seattle

Pick up great flights from Sydney to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Sydney to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Sydney to Seattle that take around hours.

Find cheap flights from Sydney to Seattle

From the great flight deals with prices currently ranging from AU$1,332 to AU$1,681, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Sydney to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in January.

Reasons to book your flight from Sydney to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Sydney to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Sydney to Seattle

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