CA $950 Cheap Flights from Seattle (SEA) to Sydney (SYD)

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

Prices were available within the past 7 days and start at CA $950 for one-way flights and CA $1,269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Hawaiian Airlines
Delta
United
All Nippon Airways
Philippine Airlines
Alaska Airlines
Alaska Airlines
American Airlines
Qantas Airways
Flight from Seattle to Sydney (SEA - SYD) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, Emirates, Etihad Airways, Hawaiian Airlines, Korean Air, Lufthansa, Philippine Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, United
Roundtrip price
CA $1,268
Distance
12399 km

Seattle to Sydney Flights

The easy way to book your flights from Seattle to Sydney 

With Expedia, it’s simple to find and book flights to Sydney from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kingsford Smith Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Sydney today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Kingsford Smith Intl., SYD 

Sort your search results by price to find great deals on your flight from Seattle to Sydney—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sydney from Seattle currently is just CA $1,269 rising to CA $1,858.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Sydney  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Sydney from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sydney with Expedia today.

Frequently asked questions

How much is a flight from SEA to SYD?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and Kingsford Smith Intl. Airport (SYD) start from CA $1,269. Make your booking ASAP to secure the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Sydney Airport?
This varies from airline to airline, as each has its own terms and conditions. Head to the Customer Service Portal, where there are easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport to Mascot Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Seattle - Tacoma Intl. Airport (SEA) to SYD flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Sea-Tac Airport to Kingsford Smith Intl. Airport (SYD)?
The distance is around 12,500 kilometers. Eye mask? Check. Noise-canceling headphones? Double check. You’d be wise to pack all the essentials for this long-haul SeaTac to Sydney flight.
Which airlines fly direct from SEA to Mascot Airport?
Unfortunately, there are no airlines that directly fly between Seattle - Tacoma Intl. Airport (SEA) and SYD. You’ll have to book a flight with at least one stop.
Are SEA to SYD flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to SYD at the last minute could be your ticket to an awesome deal. However, it might cost you a whole lot more! If you’d prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back regularly as deals are updated all the time on Expedia.
Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to Expedia members.