Cheap Flights from Seattle to New South Wales from $1,625 Return

Flight deals from Seattle to New South Wales

Looking for cheap tickets from Seattle to New South Wales, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Sydney.$1,625 per passenger.Departing Wed, 6 May, returning Wed, 20 May.Return flight with ANA (All Nippon Airways).Outbound indirect flight with ANA (All Nippon Airways), departs from Seattle / Tacoma International on Wed, 6 May, arriving in Sydney.Inbound indirect flight with ANA (All Nippon Airways), departs from Sydney on Wed, 20 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,625, select.

Ballina.$2,415 per passenger.Departing Sat, 7 Mar, returning Sat, 14 Mar.Return flight with Alaska Airlines and Qantas.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sat, 7 Mar, arriving in Ballina.Inbound indirect flight with Qantas, departs from Ballina on Sat, 14 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,415, select.

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Flying from Seattle to New South Wales

Arm yourself with these facts on the fly.

Cheapest flight found	$1,625
Cheapest month to fly	May
Cheapest airport to fly from	Seattle / Tacoma International

How to find cheap flights from Seattle to New South Wales

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seattle to New South Wales. Other savvy travellers recently found return flights from $1,625 and one-way tickets from $771 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Seattle / Tacoma International into Sydney

At the moment, the lowest priced flight tickets to New South Wales are from Seattle / Tacoma International Airport to Sydney Airport.

Fly in May

We crunched the flight calendar and found the cheapest time to fly from Seattle to New South Wales is currently May.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seattle to anywhere you choose in New South Wales.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Seattle to New South Wales go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the New South Wales to New South Wales flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Seattle to New South Wales flight price?

We looked at all of the upcoming return flights from Seattle to New South Wales we could find over the next 12 months. It looks like $1,625 is the best price. This is good, compared to the average New South Wales ticket price of $2,020.

What is the cheapest month to fly from Seattle to New South Wales?

The cheapest month to fly from Seattle to Ballina Airport is currently March. The cheapest month to fly from Seattle to Sydney Airport is usually May

Which upcoming date is cheapest to fly from Seattle to New South Wales on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to New South Wales on Wednesday, 6 May 2026.

Are there any direct flights from Seattle to New South Wales?

Currently, there aren't any direct flights from Seattle to New South Wales, but you can still fly with a stopover.

If I'm flying from Seattle, where in New South Wales is cheapest to fly into?

If you're flying from Seattle, the cheapest city in New South Wales to fly into is Sydney. The cheapest airport serving Sydney at the moment is Sydney.