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Cheap Flights from Adelaide to Seattle

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Reverse direction: SEA to ADL

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JQ,QF Return flights from $1,865
Dep. Fri 11 SepRet. Fri 25 Sep$1,865
UA Return flights from $1,899
Dep. Fri 11 SepRet. Fri 25 Sep$1,899
Dep. Sat 12 SepRet. Fri 02 Oct$3,012
QF,UA Return flights from $1,915
Dep. Fri 11 SepRet. Fri 25 Sep$1,915
Dep. Sat 12 SepRet. Fri 02 Oct$2,441
VA Return flights from $1,927
Dep. Fri 11 SepRet. Fri 25 Sep$1,927
Dep. Sat 12 SepRet. Fri 02 Oct$2,575
SQ Return flights from $2,031
Dep. Fri 11 SepRet. Fri 25 Sep$2,031
Dep. Sat 12 SepRet. Fri 02 Oct$2,360
AC,VA Return flights from $2,095
Dep. Sat 12 SepRet. Fri 02 Oct$2,095
Dep. Fri 11 SepRet. Fri 25 Sep$2,796
AC,JQ Return flights from $2,106
Dep. Sat 12 SepRet. Fri 02 Oct$2,106
Dep. Fri 11 SepRet. Fri 25 Sep$4,336
AC,JQ,QF Return flights from $2,159
Dep. Sat 12 SepRet. Fri 02 Oct$2,159
AS,F9,FJ,JQ,VA Return flights from $2,177
Dep. Fri 11 SepRet. Fri 25 Sep$2,177
AC,QF Return flights from $2,191
Dep. Sat 12 SepRet. Fri 02 Oct$2,191
Dep. Fri 11 SepRet. Fri 25 Sep$2,683
AS,QF Return flights from $2,216
Dep. Fri 11 SepRet. Fri 25 Sep$2,216
Dep. Sat 12 SepRet. Fri 02 Oct$2,683
AS,FJ,JQ,VA Return flights from $2,218
Dep. Fri 11 SepRet. Fri 25 Sep$2,218
AS,VA Return flights from $2,220
Dep. Fri 11 SepRet. Fri 25 Sep$2,220
Dep. Sat 12 SepRet. Fri 02 Oct$2,741
AS,FJ,OZ,VA,VJ Return flights from $2,224
Dep. Fri 11 SepRet. Fri 25 Sep$2,224
AS,F9,FJ,VA Return flights from $2,226
Dep. Fri 11 SepRet. Fri 25 Sep$2,226

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

Do you need to catch a flight to Adelaide? Check out our domestic flights to Adelaide. If Adelaide 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 Adelaide


Average Adelaide to Seattle Return Prices

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

November 2026
$2,760

Frequently Asked Questions about flying from Adelaide to Seattle

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

The cheapest month to travel is typically November.

How much do return flights from Adelaide to Seattle cost?

The best price we found for a return flight from Adelaide to Seattle is $1865.

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

Currently, the cheapest date for a return flight from Adelaide to Seattle is 11 September 2026.

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

Currently, the cheapest airline that flys from Adelaide to Seattle is American Airlines.

How long does a direct flight from Adelaide 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 Adelaide 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 Adelaide 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 Adelaide 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 Adelaide 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.

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