$695 Cheap Flights from Seattle (SEA) to Sydney (SYD)

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Cheap Flights from Seattle to Sydney (SEA-SYD)

Prices were available within the past 7 days and start at $695 for one-way flights and $938 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Mon, Sep 2 - Tue, Sep 17
SEA
Seattle
SYD
Sydney
$938 Roundtrip, found 1 hour ago
$938
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Mon, Sep 2 from Seattle to Sydney, returning Tue, Sep 17, priced at $938 found 1 hour ago
Air Canada
Sun, Aug 4 - Sun, Sep 15
SEA
Seattle
SYD
Sydney
$1,090 Roundtrip, found 1 day ago
$1,090
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Aug 4 from Seattle to Sydney, returning Sun, Sep 15, priced at $1,090 found 1 day ago
United
Mon, Oct 28 - Tue, Nov 12
SEA
Seattle
SYD
Sydney
$1,091 Roundtrip, found 23 hours ago
$1,091
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Oct 28 from Seattle to Sydney, returning Tue, Nov 12, priced at $1,091 found 23 hours ago
American Airlines
Mon, Sep 23 - Tue, Oct 8
SEA
Seattle
SYD
Sydney
$1,091 Roundtrip, found 1 day ago
$1,091
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 23 from Seattle to Sydney, returning Tue, Oct 8, priced at $1,091 found 1 day ago
Delta
Mon, Sep 23 - Tue, Oct 8
SEA
Seattle
SYD
Sydney
$1,113 Roundtrip, found 1 day ago
$1,113
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Sep 23 from Seattle to Sydney, returning Tue, Oct 8, priced at $1,113 found 1 day ago
Alaska Airlines
Tue, Nov 12 - Tue, Dec 3
PAE
Seattle Paine Field Intl. Airport
SYD
Sydney
$1,142 Roundtrip, found 1 day ago
$1,142
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Nov 12 from Seattle Paine Field Intl. Airport to Sydney, returning Tue, Dec 3, priced at $1,142 found 1 day ago
Philippine Airlines
Sun, Nov 24 - Sun, Dec 1
SEA
Seattle
SYD
Sydney
$1,228 Roundtrip, found 4 hours ago
$1,228
Roundtrip
found 4 hours ago
Select Philippine Airlines flight, departing Sun, Nov 24 from Seattle to Sydney, returning Sun, Dec 1, priced at $1,228 found 4 hours ago
Alaska Airlines
Tue, Oct 22 - Tue, Oct 29
SEA
Seattle
SYD
Sydney
$1,236 Roundtrip, found 3 hours ago
$1,236
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Oct 22 from Seattle to Sydney, returning Tue, Oct 29, priced at $1,236 found 3 hours ago
Fiji Airways
Tue, Nov 12 - Tue, Dec 3
PAE
Seattle Paine Field Intl. Airport
SYD
Sydney
$1,256 Roundtrip, found 1 day ago
$1,256
Roundtrip
found 1 day ago
Select Fiji Airways flight, departing Tue, Nov 12 from Seattle Paine Field Intl. Airport to Sydney, returning Tue, Dec 3, priced at $1,256 found 1 day ago
Air New Zealand
Sun, Sep 8 - Mon, Sep 23
SEA
Seattle
SYD
Sydney
$1,294 Roundtrip, found 1 hour ago
$1,294
Roundtrip
found 1 hour ago
Select Air New Zealand flight, departing Sun, Sep 8 from Seattle to Sydney, returning Mon, Sep 23, priced at $1,294 found 1 hour ago
Flights from Seattle (SEA) to Sydney (SYD)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Air Tahiti Nui, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, Emirates, Fiji Airways, Hawaiian Airlines, Korean Air, Philippine Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, United
Roundtrip price
$938
Distance
7749 mi

Seattle to Sydney Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Sydney offer the perfect respite. Not only does exploring Sydney provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Sydney may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Sydney are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Sydney more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Sydney is $695 now!

Frequently asked questions

How much is a one-way flight from SEA to Kingsford Smith Intl. Airport (SYD)?
Arrange your next trip with Expedia and you could score one-way Seattle flights to Sydney from just $627. This was the cheapest fare found for this route leaving during the next three months — an Hawaiian Airlines flight, jetting off from Sea-Tac Airport on June 7 2024 and landing at Sydney Airport. The price was last updated on April 21 2024 and has not changed since. Can’t wait to pick up your own bargain flights? Terrific offers are at your fingertips.
Is it cheaper to buy a plane ticket from SEA to Mascot Airport last minute?
Booking your flight from Seattle - Tacoma Intl. Airport (SEA) to SYD at the last minute could save you money if you’re lucky to find a terrific deal. However, airfares don’t typically get cheaper as the departure date nears. If you wait around, flights could also be booked out or the best seats taken (don’t get stuck in the middle!). If you want to be on the safe side, book well ahead of the date you want to leave. It’s worth noting that some of the best deals can be found up to 12 months in advance. If your favorite airline hasn’t released its airfares yet, check back regularly as deals are constantly updated on Expedia.
What is the cheapest airline flying from SEA to SYD in the next 90 days?
The cheapest carrier flying from Seattle to Sydney found on Expedia is Hawaiian Airlines, with fares starting at $627. This price is based on fares found on Expedia with a departure date within the next 90 days. The flight sets off from Sea-Tac Airport on June 7 2024 and arrives at Mascot Airport. The pricing information was updated on April 21 2024 and has not changed since.
What's the cheapest price for a flight from Seattle - Tacoma Intl. Airport (SEA) to Sydney Airport next month?
With a one-way flight from Seattle to Sydney on sale for just $627, you’ll have extra cash left in your hand for exploring. This deal was found after searching all available flights on Expedia within the next 30 days. This particular service leaves Seattle - Tacoma Intl. Airport (SEA) on May 18 2024, comes in to land at Kingsford Smith Intl. Airport (SYD) and is operated by Hawaiian Airlines. Pricing info was last updated on April 21 2024 and has not changed since.
What airports do you fly into for Sydney from Seattle?
Kingsford Smith Intl. Airport (SYD), Shellharbour Airport (WOL) and Bankstown Airport (BWU) are your options when jetting off from Seattle to Sydney. Approximately 5 mi southwest of the center of Sydney, Kingsford Smith Intl. Airport (SYD) is the city’s principal hub. Think about things such as flight departure and arrival times and the distance to your hotel before settling on an airport. Sydney Opera House and Sydney Harbour Bridge are two awesome attractions to put on your must-see list when you arrive.
Can I change the date of my flight from SEA to Sydney Airport?
Quickly and easily make changes to your Sea-Tac Airport to Kingsford Smith Intl. Airport (SYD) journey via the Expedia Trips portal. But before amending dates or times, read over the conditions in your itinerary to learn what the carrier will let you do and if any charges apply. Some airlines charge a change fee per person, on top of any difference in ticket prices. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also check out our Customer Service portal for further information and to chat with our Virtual Agent.
Seattle nearby Airports

Seattle Paine Field Intl. Airport

Seattle Paine Field Intl. Airport to Sydney
$1,141.83
*Available to One Key members.