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Cheap Flights from Sydney to Seattle

Compare Sydney to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Sydney to Seattle

Looking for a cheap last-minute deal or the best return flight from Sydney to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.742 € per passenger.Departing Wed, 25 Jun, returning Wed, 20 Aug.Return flight with United.Outbound indirect flight with United, departs from Sydney on Wed, 25 Jun, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Wed, 20 Aug, arriving in Sydney.Price includes taxes and charges.From 742 €, select.
Seattle.742 € per passenger.Departing Wed, 26 Nov, returning Tue, 6 Jan.Return flight with United.Outbound indirect flight with United, departs from Sydney on Wed, 26 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 6 Jan, arriving in Sydney.Price includes taxes and charges.From 742 €, select.
Seattle.742 € per passenger.Departing Wed, 3 Sep, returning Thu, 18 Sep.Return flight with United.Outbound indirect flight with United, departs from Sydney on Wed, 3 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 18 Sep, arriving in Sydney.Price includes taxes and charges.From 742 €, select.
Seattle.742 € per passenger.Departing Fri, 1 Aug, returning Fri, 12 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Sydney on Fri, 1 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Fri, 12 Sep, arriving in Sydney.Price includes taxes and charges.From 742 €, select.
Seattle.742 € per passenger.Departing Sat, 25 Oct, returning Thu, 13 Nov.Return flight with United.Outbound indirect flight with United, departs from Sydney on Sat, 25 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 13 Nov, arriving in Sydney.Price includes taxes and charges.From 742 €, select.
Seattle.742 € per passenger.Departing Sat, 2 Aug, returning Sat, 23 Aug.Return flight with United.Outbound indirect flight with United, departs from Sydney on Sat, 2 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 23 Aug, arriving in Sydney.Price includes taxes and charges.From 742 €, select.
Seattle.742 € per passenger.Departing Wed, 16 Jul, returning Sat, 2 Aug.Return flight with United.Outbound indirect flight with United, departs from Sydney on Wed, 16 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 2 Aug, arriving in Sydney.Price includes taxes and charges.From 742 €, select.
Seattle.742 € per passenger.Departing Sat, 27 Sep, returning Mon, 27 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Sydney on Sat, 27 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 27 Apr, arriving in Sydney.Price includes taxes and charges.From 742 €, select.

Find the cheapest month to fly from Sydney to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Seattle flights are currently cheapest in August.
Jun
from 1.009 €
Jul
from 743 €
Aug
from 742 €
Sep
from 742 €
Oct
from 746 €
Nov
from 743 €
Dec
from 1.062 €
Jan
from 1.019 €
Feb
from 757 €
Mar
from 757 €
Apr
from 766 €
May
Find prices

Alternative Sydney to Seattle routes

Looking for the cheapest, fastest or easiest route from Sydney to Seattle? You could fly into the following airports instead.

Sydney to Seattle: Flight information

The things to know before you go.
Cheapest flight found742 €
Cheapest month to flyJune

Finding cheap flights from Sydney to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Sydney to Seattle is 742 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to Seattle. But we found flights with one or more stops from 742 €.
As of June 2025, there are no flights flying from Sydney to Seattle.
The cheapest month to fly from Sydney to Seattle is usually June 2025.
If you're flying from Sydney Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from 742 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Seattle on Wednesday, 25 June 2025.
No airlines currently offer direct flights between Sydney Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 14°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, United offers the cheapest flight tickets to Seattle.

Flying from Sydney (Kingsford Smith) Airport (SYD) to Seattle: what you need to know

  • The timezone in Seattle is UTC-7. The city is 18 hours behind Sydney, where Sydney (Kingsford Smith) Airport is located.

  • To avoid rushing for your SYD to Seattle flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Longer lines at security and check-in are likely if you're jetting off during high season, so give yourself a bit more breathing room. A good rule for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • Consider adding a stopover to potentially land a cheaper plane ticket from SYD to Seattle. Just uncheck 'Direct flights only' during your search. Take a break (and maybe save some cash) by stopping at one of these connection hubs:

    • San Francisco International Airport (SFO)

    • Vancouver International Airport (YVR)

    • Daniel K. Inouye International Airport (HNL)

  • The journey from central Sydney to SYD takes around 25 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 8 kilometres in 20 minutes or so, depending on traffic.

  • Planning to catch an early flight from Sydney (Kingsford Smith) Airport to Seattle? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays near SYD:

  • Of all flights departing from Sydney (Kingsford Smith) Airport, 69.62% land on time at their destination.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Seattle

  • 399 € is currently the best price for a one-way Sydney (Kingsford Smith) Airport to Seattle flight. A return plane ticket starts from 742 €. These fares may change based on demand and availability.

  • To pick up cheap flights from SYD to Seattle, book in advance. Airlines typically offer their most competitively priced fares when tickets first go on sale.

  • The 'Whole month' tool will show you the cheapest tickets from Sydney (Kingsford Smith) Airport to Seattle throughout the month. It's a good way to find a bargain if your travel plans aren't set in stone.

  • Cut down on the time spent looking for cheap flights from SYD to Seattle by creating a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Pick your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Sydney (Kingsford Smith) Airport to Seattle by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from the centre of Seattle. If you're opting for a ride-share or a cab, the drive takes about 20 minutes.

  • When travelling on public transport, expect a journey time of about 55 minutes.

  • Consider booking a hotel near SEA if you're coming in on a late flight from Sydney (Kingsford Smith) Airport to Seattle. Select one of these options and avoid the hassle of a long transfer:

  • Pick up a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own set of wheels. Thrifty, Europcar and Budget are popular outlets to choose from here.

  • Lock in the best deal by reserving your ride from Seattle-Tacoma International Airport around one week before your flight from SYD to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • Once your flight from Sydney (Kingsford Smith) Airport to Seattle has touched down, you can reach the city centre in around 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

  • If you travel by public transport, the ride to the centre will take you 25 minutes or so.

  • Following your SYD to Seattle flight, rest your head at a hotel close to LKE. These are some comfortable accommodation options that'll help you sink into relaxation mode:

Best time to go to Seattle

  • Before locking in your flights from Sydney (Kingsford Smith) Airport to Seattle, consider which time of year works best for you. Peak season in Seattle offers a lively atmosphere and plenty of things to do, while low season means you'll get cheaper hotel rates and smaller crowds.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your Sydney (Kingsford Smith) Airport to Seattle plane ticket then if you enjoy this type of weather.

  • Look for cheap tickets from SYD to Seattle in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

More about Seattle

  • Start your Seattle trip right by choosing the ideal place to stay. After booking your flight from Sydney (Kingsford Smith) Airport to Seattle, check out our selection of accommodation options including:

  • There are so many things to discover in this city it can be tricky to work out where to begin. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are leading attractions which should feature on any well-planned Seattle itinerary.

Explore more of United States

  • You've done Seattle, now it's time to discover other corners of United States. Travel around 241 kilometres south to Portland to tick off its popular sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you'll have a packed itinerary ahead.

  • Around 370 kilometres east of Seattle, Spokane is another favourite stop in United States. No visit is complete without checking out Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

More travel options

Plan the rest of your trip from Sydney to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.