Find Cheap Flights from Seattle to Sydney (SEA - SYD)

Flights overview

Useful information for finding cheap flights from Seattle to Sydney and booking your next trip

Cheapest round-trip flights	$982	Philippine Airlines 1 stop 42 hr Thu, Nov 27 — Thu, Dec 11	The cheapest round-trip flight from Seattle to Sydney is currently $982
Cheapest one-way flight	$293	ANA 1 stop 34 hr Sat, Nov 29	The cheapest one-way flight from Seattle to Sydney is currently $293
Last-minute weekend getaway	$1,159	Alaska, Hawaiian 1 stop 19 hr Thu, Oct 16 — Sun, Oct 19	The cheapest last-minute weekend getaway from Seattle to Sydney is currently $1,159
Cheapest business class flights	$5,639	Alaska, Philippine Airlines 2 stops 43 hr Thu, Jan 8 — Thu, Jan 22	The cheapest business class round-trip flight from Seattle to Sydney is currently $5,639

Fastest flight	17 hr 45 min	The fastest flight with stops from Seattle to Sydney takes 17 hr 45 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Seattle to Sydney is typically August. The most expensive month to fly is typically December.

August Cheapest	Typical prices: $780–830
December Most expensive	Typical prices: $1,200–2,950

Popular airlines from Seattle to Sydney

United

from $1,190

Typical price: $860–1,950

63 weekly connecting flights

SEA - SYD Every day
American

from $1,175

Typical price: $900–2,950

31 weekly connecting flights

SEA - SYD Every day
Air Canada

from $1,294

Typical price: $980–2,550

21 weekly connecting flights

SEA - SYD Every day
Delta

from $1,191

Typical price: $930–6,200

21 weekly connecting flights

SEA - SYD Every day
British Airways

from $3,302

Typical price: $3,750–15,500

21 weekly connecting flights

SEA - SYD Every day
Hawaiian

from $1,159

Typical price: $1,150–2,050

15 weekly connecting flights

SEA - SYD Every Tue, Wed, Thu, Fri, Sun

Popular airports near Seattle

Seattle–Tacoma International Airport (SEA)

Seattle United States 19 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 43 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
Bellingham International Airport (BLI)

Bellingham United States 1 hr 31 min 82 mi

Popular airports near Sydney

Sydney Airport (SYD)

Sydney Australia 16 min 5 mi
Canberra Airport (CBR)

Canberra Australia 2 hr 56 min 151 mi
Newcastle Airport (NTL)

Newcastle Australia 2 hr 4 min 83 mi
Shellharbour Airport (WOL)

Wollongong Australia 1 hr 31 min 53 mi

Frequently asked questions about flying from Seattle to Sydney

When are the cheapest days to fly from Seattle to Sydney?

The cheapest flights from Seattle to Sydney are usually in August. Typical ticket prices in August range from $780 to $830.

Which airlines provide the cheapest flights from Seattle to Sydney?

The cheapest round-trip flight from Seattle to Sydney recently found on Google Flights was with Philippine Airlines from $982. The cheapest one-way flight was with ANA from $293.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Seattle to Sydney is $1,190, flying from Dec 7 to Dec 21.
The cheapest American flight from Seattle to Sydney is $1,175, flying from Oct 26 to Nov 9.
The cheapest Air Canada flight from Seattle to Sydney is $1,294, flying from Nov 9 to Nov 23.
The cheapest Delta flight from Seattle to Sydney is $1,191, flying from Oct 19 to Nov 2.
The cheapest British Airways flight from Seattle to Sydney is $3,302, flying from Nov 8 to Nov 21.
The cheapest Hawaiian flight from Seattle to Sydney is $1,159, flying from Jan 11 to Jan 24.

What are the cheapest flights from Seattle to Sydney?

The cheapest round-trip flight from Seattle to Sydney starts at $982 from Thu, Nov 27 to Thu, Dec 11. The cheapest one-way flight starts at $293 and departs on Sat, Nov 29.

How long does it take to fly from Seattle to Sydney?

17 hr 45 min is the shortest flight time from Seattle to Sydney.

When should you fly to Sydney, Australia?

Sydney is temperate and sunny all year, and crowds are highest during summer (Dec–Feb) and during school holidays. Major events that increase hotel demand are the performing-arts–focused Sydney Festival (Jan), the Sydney Gay & Lesbian Mardi Gras (Feb–Mar), the Sydney Royal Easter Show (dates vary) and the Sydney Film Festival (Jun). Severe thunderstorms are most likely Oct–Mar.

How do I find cheap dates to fly from Seattle to Sydney?

It's easy to use Google Flights to find the cheapest days to fly from Seattle to Sydney.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What is the best airline to fly from Seattle to Sydney?

What counts as the best airline for your flights from Seattle to Sydney really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Seattle to Sydney.

In terms of flights, United is the most popular. United offers 63 connecting flights per week. United flies from Seattle–Tacoma International Airport (SEA) to Sydney Airport (SYD) .

Other popular airlines flying from Seattle to Sydney are:

American offers 31 connecting flights per week. American flies from Seattle–Tacoma International Airport (SEA) to Sydney Airport (SYD) .
Air Canada offers 21 connecting flights per week. Air Canada flies from Seattle–Tacoma International Airport (SEA) to Sydney Airport (SYD) .
Delta offers 21 connecting flights per week. Delta flies from Seattle–Tacoma International Airport (SEA) to Sydney Airport (SYD) .
British Airways offers 21 connecting flights per week. British Airways flies from Seattle–Tacoma International Airport (SEA) to Sydney Airport (SYD) .
Hawaiian offers 15 connecting flights per week. Hawaiian flies from Seattle–Tacoma International Airport (SEA) to Sydney Airport (SYD) .

The number of connecting flights refers to distinct flights with at least one stop between Seattle and Sydney.

Which airlines provide the cheapest flights from Seattle to Sydney?

The cheapest round-trip flight from Seattle to Sydney recently found on Google Flights was with Philippine Airlines from $982. The cheapest one-way flight was with ANA from $293.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Seattle to Sydney is $1,190, flying from Dec 7 to Dec 21.
The cheapest American flight from Seattle to Sydney is $1,175, flying from Oct 26 to Nov 9.
The cheapest Air Canada flight from Seattle to Sydney is $1,294, flying from Nov 9 to Nov 23.
The cheapest Delta flight from Seattle to Sydney is $1,191, flying from Oct 19 to Nov 2.
The cheapest British Airways flight from Seattle to Sydney is $3,302, flying from Nov 8 to Nov 21.
The cheapest Hawaiian flight from Seattle to Sydney is $1,159, flying from Jan 11 to Jan 24.

Which airlines have direct flights from Seattle to Sydney?

No airline flies direct from Seattle to Sydney.

There are 63 United connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 31 American connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 21 Air Canada connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 21 Delta connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 21 British Airways connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 15 Hawaiian connecting flights from Seattle to Sydney per week. Flights are available on Tuesday, Wednesday, Thursday, Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Which airline provides the cheapest last-minute getaway flight from Seattle to Sydney?

The cheapest last-minute deal between Seattle and Sydney at price $1,159 is offered by Alaska, Hawaiian from Thu, Oct 16 to Sun, Oct 19.

Which airlines have direct flights from Seattle to Sydney?

No airline flies direct from Seattle to Sydney.

There are 63 United connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 31 American connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 21 Air Canada connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 21 Delta connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 21 British Airways connecting flights from Seattle to Sydney per week. Flights are available every day.
There are 15 Hawaiian connecting flights from Seattle to Sydney per week. Flights are available on Tuesday, Wednesday, Thursday, Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

When are direct flights from Seattle to Sydney available?

There are no direct flights from Seattle to Sydney.

How can I find nonstop flights from Seattle to Sydney?

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Seattle to Sydney, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

What are the cheapest business class flights from Seattle to Sydney?

The cheapest business class round-trip flights between Seattle and Sydney start at $5,639 from Thu, Jan 8 to Thu, Jan 22 with Alaska, Philippine Airlines.

What are the cheapest economy class flights from Seattle to Sydney?

The cheapest economy class round-trip flights between Seattle and Sydney start at $982 from Thu, Nov 27 to Thu, Dec 11.

How can I book business class trips from Seattle to Sydney?

To book business class trips from Seattle to Sydney, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

Are there any last-minute deals from Seattle to Sydney next weekend?

The best last-minute getaway deal for the next weekend between Seattle and Sydney starts at $1,159 from Thu, Oct 16 to Sun, Oct 19 with Alaska, Hawaiian.

Which airline provides the cheapest last-minute getaway flight from Seattle to Sydney?

The cheapest last-minute deal between Seattle and Sydney at price $1,159 is offered by Alaska, Hawaiian from Thu, Oct 16 to Sun, Oct 19.

How can I find last-minute flight deals from Seattle to Sydney?

To find last-minute flight deals from Seattle to Sydney, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.