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 $1,132 round trip and CA $547 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Aug. 15 - Sun, Aug. 31
SEA
Seattle
SYD
Sydney
CA $1,132 Roundtrip, found 2 days ago
CA $1,132
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Aug. 15 from Seattle to Sydney, returning Sun, Aug. 31, priced at CA $1,132 found 2 days ago
Fri, Aug. 15 - Sun, Aug. 31
SEA
Seattle
SYD
Sydney
CA $1,132 Roundtrip, found 2 days ago
CA $1,132
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Aug. 15 from Seattle to Sydney, returning Sun, Aug. 31, priced at CA $1,132 found 2 days ago
Sat, Oct. 11 - Sat, Oct. 18
SEA
Seattle
SYD
Sydney
CA $1,135 Roundtrip, found 4 days ago
CA $1,135
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct. 11 from Seattle to Sydney, returning Sat, Oct. 18, priced at CA $1,135 found 4 days ago
Sun, Sep. 7 - Wed, Oct. 8
SEA
Seattle
SYD
Sydney
CA $1,137 Roundtrip, found 2 days ago
CA $1,137
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Sep. 7 from Seattle to Sydney, returning Wed, Oct. 8, priced at CA $1,137 found 2 days ago
Fri, Aug. 15 - Sun, Aug. 31
SEA
Seattle
SYD
Sydney
CA $1,167 Roundtrip, found 2 days ago
CA $1,167
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Fri, Aug. 15 from Seattle to Sydney, returning Sun, Aug. 31, priced at CA $1,167 found 2 days ago
Fri, Aug. 22 - Fri, Sep. 5
SEA
Seattle
SYD
Sydney
CA $1,187 Roundtrip, found 1 day ago
CA $1,187
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Fri, Aug. 22 from Seattle to Sydney, returning Fri, Sep. 5, priced at CA $1,187 found 1 day ago
Sun, Sep. 7 - Wed, Oct. 8
SEA
Seattle
SYD
Sydney
CA $1,297 Roundtrip, found 2 days ago
CA $1,297
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Sun, Sep. 7 from Seattle to Sydney, returning Wed, Oct. 8, priced at CA $1,297 found 2 days ago
Tue, Oct. 14 - Tue, Oct. 28
SEA
Seattle
SYD
Sydney
CA $1,389 Roundtrip, found 14 hours ago
CA $1,389
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Oct. 14 from Seattle to Sydney, returning Tue, Oct. 28, priced at CA $1,389 found 14 hours ago
Wed, May 6 - Wed, May 13
PAE
Seattle
SYD
Sydney
CA $1,638 Roundtrip, found 4 days ago
CA $1,638
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, May 6 from Seattle to Sydney, returning Wed, May 13, priced at CA $1,638 found 4 days ago
Sun, Sep. 7 - Wed, Oct. 8
PAE
Seattle
SYD
Sydney
CA $1,715 Roundtrip, found 2 days ago
CA $1,715
Roundtrip
found 2 days ago
Select Fiji Airways flight, departing Sun, Sep. 7 from Seattle to Sydney, returning Wed, Oct. 8, priced at CA $1,715 found 2 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)

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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.