1 Adult (Economy)
  • Economy
  • - + 12+
  • - + 2-11
  • - + <2 (on lap)
  • Done
Search for Flights
Compare

Cheap Flights from Sydney to Seattle

Filter
Close
Return
One Way
Reverse direction: SEA to SYD

Airlines Show All Airlines

Depart
Return
Find Flights
AS,FJ Return flights from $1,300
Dep. Tue 15 SepRet. Mon 29 Mar$1,300
Dep. Sat 01 MayRet. Sat 29 May$1,501
QF Return flights from $1,445
Dep. Sat 01 MayRet. Sat 29 May$1,445
Dep. Tue 15 SepRet. Mon 29 Mar$2,358
UA Return flights from $1,448
Dep. Sat 01 MayRet. Sat 29 May$1,448
Dep. Tue 15 SepRet. Mon 29 Mar$2,031
AA Return flights from $1,459
Dep. Sat 01 MayRet. Sat 29 May$1,459
Dep. Tue 15 SepRet. Mon 29 Mar$1,960
AC Return flights from $1,505
Dep. Tue 15 SepRet. Mon 29 Mar$1,505
Dep. Sat 01 MayRet. Sat 29 May$1,663
AC,VA Return flights from $1,526
Dep. Tue 15 SepRet. Mon 29 Mar$1,526
Dep. Sat 01 MayRet. Sat 29 May$2,290
AC,JQ Return flights from $1,536
Dep. Tue 15 SepRet. Mon 29 Mar$1,536
Dep. Sat 01 MayRet. Sat 29 May$1,638
AA,QF Return flights from $1,549
Dep. Sat 01 MayRet. Sat 29 May$1,549
Dep. Tue 15 SepRet. Mon 29 Mar$2,408
AC,JQ,VA Return flights from $1,555
Dep. Tue 15 SepRet. Mon 29 Mar$1,555
Dep. Sat 01 MayRet. Sat 29 May$1,661
AS Return flights from $1,561
Dep. Sat 01 MayRet. Sat 29 May$1,561
Dep. Tue 15 SepRet. Mon 29 Mar$2,352
AC,QF Return flights from $1,631
Dep. Tue 15 SepRet. Mon 29 Mar$1,631
Dep. Sat 01 MayRet. Sat 29 May$1,680
AA,AS,FJ Return flights from $1,672
Dep. Sat 01 MayRet. Sat 29 May$1,672
OZ Return flights from $1,691
Dep. Sat 01 MayRet. Sat 29 May$1,691
AC,QF,VA Return flights from $1,702
Dep. Sat 01 MayRet. Sat 29 May$1,702
AS,NZ Return flights from $1,721
Dep. Tue 15 SepRet. Mon 29 Mar$1,721
Dep. Sat 01 MayRet. Sat 29 May$2,446

Prices are from searches made in the last 24 hours and current prices may differ.

Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to Seattle from Australia and flights to United States (USA). Maybe a different destination? Here are all the flights from Sydney


Average Sydney to Seattle Return Prices

These are the average prices for Sydney to Seattle return airfares.

August 2026
$2,677
September 2026
$2,497
November 2026
$2,557
March 2027
$2,460

Frequently Asked Questions about flying from Sydney to Seattle

When is the cheapest time to travel from Sydney to Seattle?

The cheapest month to travel is typically March.

How much do return flights from Sydney to Seattle cost?

The best price we found for a return flight from Sydney to Seattle is $1301.

What is the cheapest date to fly from Sydney to Seattle?

Currently, the cheapest date for a return flight from Sydney to Seattle is 15 September 2026.

What is the cheapest airline that flys from Sydney to Seattle?

Currently, the cheapest airline that flys from Sydney to Seattle is Alaska Airlines.

How long does a direct flight from Sydney to Seattle take?

We were not able to find any direct flights to Seattle.

What is the IATA airport code for Seattle?

The IATA code for Seattle is SEA. It is located in United States (USA) at coordinates 47.45, -122.3117.

When should you book flights to Seattle?

From our data, you should book flights to Seattle 60 days out.


How I Want That Flight can help you

What's the benefit of using I Want That Flight for my Sydney to Seattle flight?

Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.

Can you sort me out with direct flights from Sydney to Seattle?

100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.

How does I Want That Flight find me the best Sydney to Seattle flights?

Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.

I'm still in the planning phase. Can you ping me if Sydney to Seattle fares drop?

No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.

Popular Destinations
Flights to BaliFlights to MelbourneFlights to BrisbaneFlights to Ho Chi Minh CityFlights to TokyoFlights to SydneyFlights to Los AngelesFlights to DelhiFlights to PerthFlights to LondonFlights to BangkokFlights to Gold CoastFlights to CairnsFlights to AucklandFlights to AdelaideFlights to OsakaFlights to PhuketFlights to SingaporeFlights to RomeFlights to GuangzhouFlights to JapanFlights to New ZealandFlights to ChinaFlights to ThailandFlights to VietnamFlights to India

Sign up to I Know The Pilot for all the latest flight deals

Join 300,000+ Australians getting the best airfares delivered to their mailbox

As seen in:
7 News Today Show News Com Au The Guardian Daily Mail Mama Mia