Cheap Flights From Seattle - Tacoma Intl. (SEA) To Kingsford Smith Intl. (SYD)

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

The cheapest flights to Kingsford Smith Intl. found within the past 7 days were CA $1,166 round trip and CA $553 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Sep 4 - Tue, Sep 15
SEA
Seattle
SYD
Sydney
CA $1,166 Roundtrip, found 20 hours ago
CA $1,166
Roundtrip
found 20 hours ago
Select Philippine Airlines flight, departing Fri, Sep 4 from Seattle to Sydney, returning Tue, Sep 15, priced at CA $1,166 found 20 hours ago
Sun, May 3 - Tue, May 12
SEA
Seattle
SYD
Sydney
CA $1,279 Roundtrip, found 2 days ago
CA $1,279
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sun, May 3 from Seattle to Sydney, returning Tue, May 12, priced at CA $1,279 found 2 days ago
Mon, May 4 - Wed, May 27
SEA
Seattle
SYD
Sydney
CA $1,287 Roundtrip, found 3 days ago
CA $1,287
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Mon, May 4 from Seattle to Sydney, returning Wed, May 27, priced at CA $1,287 found 3 days ago
Wed, Mar 11 - Sun, Mar 22
SEA
Seattle
SYD
Sydney
CA $1,392 Roundtrip, found 20 hours ago
CA $1,392
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Wed, Mar 11 from Seattle to Sydney, returning Sun, Mar 22, priced at CA $1,392 found 20 hours ago
Mon, May 4 - Sun, May 17
SEA
Seattle
SYD
Sydney
CA $1,429 Roundtrip, found 7 hours ago
CA $1,429
Roundtrip
found 7 hours ago
Select Cathay Pacific flight, departing Mon, May 4 from Seattle to Sydney, returning Sun, May 17, priced at CA $1,429 found 7 hours ago
Sun, Nov 1 - Mon, Dec 28
SEA
Seattle
SYD
Sydney
CA $1,567 Roundtrip, found 2 days ago
CA $1,567
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Nov 1 from Seattle to Sydney, returning Mon, Dec 28, priced at CA $1,567 found 2 days ago
Sun, May 3 - Tue, May 12
SEA
Seattle
SYD
Sydney
CA $1,629 Roundtrip, found 2 days ago
CA $1,629
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Sun, May 3 from Seattle to Sydney, returning Tue, May 12, priced at CA $1,629 found 2 days ago
Thu, Mar 12 - Sun, Mar 22
SEA
Seattle
SYD
Sydney
CA $1,633 Roundtrip, found 4 days ago
CA $1,633
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Mar 12 from Seattle to Sydney, returning Sun, Mar 22, priced at CA $1,633 found 4 days ago
Thu, Mar 12 - Sun, Mar 22
SEA
Seattle
SYD
Sydney
CA $1,658 Roundtrip, found 4 days ago
CA $1,658
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Mar 12 from Seattle to Sydney, returning Sun, Mar 22, priced at CA $1,658 found 4 days ago
Wed, Aug 5 - Tue, Aug 25
SEA
Seattle
SYD
Sydney
CA $1,979 Roundtrip, found 3 days ago
CA $1,979
Roundtrip
found 3 days ago
Select Air New Zealand flight, departing Wed, Aug 5 from Seattle to Sydney, returning Tue, Aug 25, priced at CA $1,979 found 3 days ago

Frequently asked questions

Are there direct flights from Sea-Tac Airport to Kingsford Smith Intl. Airport (SYD)?
Air New Zealand, United Airlines and Virgin Atlantic will get you to Sydney from Seattle with only one stopover. Unfortunately, there are no direct flights between Seattle - Tacoma Intl. Airport (SEA) and Kingsford Smith Intl. Airport (SYD) as yet.
What airlines fly from Sea-Tac Airport to SYD?
Right now, no airline flies direct to Kingsford Smith Intl. Airport (SYD) from Sea-Tac Airport. Making your way there involves at least one stopover. Lock in your airfare in advance to nab the best price and connections.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

Popular Flight Routes from Seattle (SEA)

Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle (SEA) today with the cheap prices from Travelocity!

Popular Flight Routes from Sydney (SYD)

Travelers at SYD love to visit these top cities. Roam to the top destinations from Sydney(SYD) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.