How long does it take to fly to Seattle?

The flight from Australia to Seattle depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney (a popular airport in Australia) to Seattle (the most popular airport in Seattle), then the flight time is 17h 11m on average. If you fly from Adelaide (another popular airport in Australia) to Seattle, then the average flight time is 18h 40m.

Which airlines fly to Seattle?

United Airlines, Air Canada and Virgin Australia are the top three most popular airlines that fly to Seattle from Australia according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 16 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Australia to Seattle/Tacoma Intl?

Air Canada, American Airlines, and Delta are the most popular carriers operating from Australia to Seattle/Tacoma Intl

When did momondo last update prices for flights from Australia to Seattle/Tacoma Intl Airport?

Prices for flights from Australia to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Australia to Seattle/Tacoma Intl Airport?

As of September 2025, there are 16 operators available to choose from for flights from Australia to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Australia to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$712 Cheap Flights from Australia to Seattle in 2025/26

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Find the cheapest flights from Australia to Seattle

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Seattle

11:20 - 10:31SYD-SEA

17h 11m1 stop

15:40 - 09:35SEA-SYD

22h 55m1 stop

$1,146Air Canada

Find Deal

Sun, 2 Nov - Sat, 29 Nov

11:20 - 20:16SYD-SEA

26h 56m1 stop

20:00 - 14:40SEA-SYD

23h 40m2 stops

$1,167Multiple Airlines

Find Deal

Sun, 2 Nov - Sat, 29 Nov

19:40 - 19:58BNE-SEA

18h 18m1 stop

16:30 - 11:05SEA-BNE

24h 35m2 stops

$1,261Qantas Airways

Find Deal

Tue, 4 Nov - Tue, 11 Nov

13:00 - 12:18MEL-SEA

18h 18m1 stop

15:37 - 10:00SEA-MEL

23h 23m1 stop

$1,265United Airlines

Find Deal

Wed, 5 Nov - Wed, 12 Nov

13:00 - 21:15MEL-SEA

27h 15m2 stops

12:25 - 10:00SEA-MEL

26h 35m2 stops

$1,268United Airlines

Find Deal

Tue, 16 Dec - Wed, 21 Jan

11:20 - 12:32SYD-SEA

20h 12m1 stop

14:50 - 07:25SEA-SYD

21h 35m1 stop

$1,320Qantas Airways

Find Deal

Sun, 7 Dec - Thu, 25 Dec

12:00 - 20:51MEL-SEA

26h 51m1 stop

15:37 - 10:00SEA-MEL

23h 23m1 stop

$1,562Virgin Australia

Find Deal

Sat, 1 Nov - Sun, 9 Nov

01:15 - 07:10PER-SEA

21h 55m1 stop

08:45 - 23:55SEA-PER

23h 10m1 stop

$1,858Singapore Airlines

Find Deal

Mon, 3 Nov - Tue, 11 Nov

13:50 - 07:10PER-SEA

57h 20m1 stop

08:45 - 05:25SEA-PER

28h 40m1 stop

$1,917Singapore Airlines

Find Deal

Tue, 4 Nov - Tue, 11 Nov

06:20 - 16:15LST-SEA

28h 55m2 stops

07:00 - 15:25SEA-LST

37h 25m2 stops

$2,482Virgin Australia

Find Deal

Thu, 13 Nov - Mon, 17 Nov

Hawaiian Airlines flights from Australia to Seattle

Our best Hawaiian Airlines deals on Australia to Seattle flight tickets

Hawaiian Airlines

18 Oct

SYD21:40Sydney Kingsford Smith

20h 19m

1 stop

SEA23:59Seattle/Tacoma Intl

19 Oct

SEA10:03Seattle/Tacoma Intl

39h 42m

1 stop

SYD19:45Sydney Kingsford Smith

$1,203

Find similar

Hawaiian Airlines

19 Oct

SYD21:40Sydney Kingsford Smith

20h 19m

1 stop

SEA23:59Seattle/Tacoma Intl

20 Oct

SEA07:44Seattle/Tacoma Intl

18h 01m

1 stop

SYD19:45Sydney Kingsford Smith

$1,224

Find similar

Hawaiian Airlines

4 Oct

SYD21:40Sydney Kingsford Smith

17h 15m

1 stop

SEA21:55Seattle/Tacoma Intl

7 Oct

SEA14:00Seattle/Tacoma Intl

35h 45m

1 stop

SYD19:45Sydney Kingsford Smith

$1,650

Find similar

American Airlines flights from Australia to Seattle

Our best American Airlines deals on Australia to Seattle flight tickets

American Airlines

4 Nov

BNE19:40Brisbane

20h 44m

1 stop

SEA22:24Seattle/Tacoma Intl

11 Nov

SEA14:20Seattle/Tacoma Intl

22h 10m

1 stop

BNE06:30Brisbane

$1,209

Find similar

American Airlines

14 Nov

BNE19:40Brisbane

31h 56m

2 stops

SEA09:36Seattle/Tacoma Intl

27 Nov

SEA05:24Seattle/Tacoma Intl

29h 36m

2 stops

BNE05:00Brisbane

$1,212

Find similar

American Airlines

16 Nov

BNE09:40Brisbane

31h 25m

1 stop

SEA23:05Seattle/Tacoma Intl

28 Nov

SEA23:59Seattle/Tacoma Intl

36h 31m

1 stop

BNE06:30Brisbane

$1,214

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 2/11

11:20-10:31

1 stop17h 11m

Seattle/Tacoma Intl

Sat 29/11

15:40-09:35

1 stop22h 55m

$1,146

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 2/11

11:20-20:16

1 stop26h 56m

Seattle/Tacoma Intl

Sat 29/11

20:00-14:40

2 stops23h 40m

$1,167

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 4/11

19:40-19:58

1 stop18h 18m

Seattle/Tacoma Intl

Tue 11/11

16:30-11:05

2 stops24h 35m

$1,261

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 5/11

13:00-12:18

1 stop18h 18m

Seattle/Tacoma Intl

Wed 12/11

15:37-10:00

1 stop23h 23m

$1,265

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 16/12

13:00-21:15

2 stops27h 15m

Seattle/Tacoma Intl

Wed 21/1

12:25-10:00

2 stops26h 35m

$1,268

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 7/12

11:20-12:32

1 stop20h 12m

Seattle/Tacoma Intl

Thu 25/12

14:50-07:25

1 stop21h 35m

$1,320

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 1/11

12:00-20:51

1 stop26h 51m

Seattle/Tacoma Intl

Sun 9/11

15:37-10:00

1 stop23h 23m

$1,562

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 3/11

01:15-07:10

1 stop21h 55m

Seattle/Tacoma Intl

Tue 11/11

08:45-23:55

1 stop23h 10m

$1,858

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 4/11

13:50-07:10

1 stop57h 20m

Seattle/Tacoma Intl

Tue 11/11

08:45-05:25

1 stop28h 40m

$1,917

LauncestonSeattle

LST - SEA

LSTSEA

Launceston

Thu 13/11

06:20-16:15

2 stops28h 55m

Seattle/Tacoma Intl

Mon 17/11

07:00-15:25

2 stops37h 25m

$2,482

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Australia to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from Australia, with most prices found around $1,428. If you are unable to visit Seattle during the month of August, then departing from Australia during the month February is also very affordable. Most momondo users find prices during this month for around $1,496.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Australia to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,559. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Seattle for around $1,792.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Australia to Seattle at midday for as low as $1,485. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $1,813.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,676 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Australia for as low as $1,355 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 9% on your flight if you consider stops on a Australia to Seattle flight.

Cheap Australia to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Seattle

Direct flights	None

There are no direct flights from Australia to Seattle. There are no popular flight routes from Australia to Seattle.

Search flight deals

When did momondo last update prices for flights from Australia to Seattle/Tacoma Intl Airport?
Prices for flights from Australia to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Australia to Seattle/Tacoma Intl Airport?
As of September 2025, there are 16 operators available to choose from for flights from Australia to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Australia to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Seattle

Compare and see reviews for airlines that fly from Australia to Seattle with momondo

Airline	Rating	Free cancellation	Price
Alaska Airlines	PriceFrom $347	Free cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Air New Zealand	PriceFrom $929	Free cancellation	Rating 8.0 506 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $986	Free cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $1,150	Free cancellation	Rating 7.9 7,966 reviews	Search Delta flights
Air Canada	PriceFrom $1,158	Free cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,202	Free cancellation	Rating 7.5 907 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,204	Free cancellation	Rating 7.4 8,923 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $1,247	Free cancellation	Rating 7.8 2,737 reviews	Search Hawaiian Airlines flights
Philippine Airlines	PriceFrom $1,250	Free cancellation	Rating 7.2 911 reviews	Search Philippine Airlines flights
EVA Air	PriceFrom $1,306	Free cancellation	Rating 8.4 1,238 reviews	Search EVA Air flights

Leavenworth

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Why use momondo?

Why should I use momondo to find a flight deal from Australia to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Seattle for you.

Can I find flights from Australia to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Australia with this policy.

How can momondo help me find flights from Australia to Seattle?

momondo helps you find the best flight between Australia and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Australia to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Australia to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Australia to Seattle from $712

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Seattle departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Australia to Seattle

Recent return flight deals from Australia to Seattle

Recent one-way flight deals from Australia to Seattle

Recent last minute flight deals from Australia to Seattle

Hawaiian Airlines flights from Australia to Seattle

Our best Hawaiian Airlines deals on Australia to Seattle flight tickets

American Airlines flights from Australia to Seattle

Our best American Airlines deals on Australia to Seattle flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Australia to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Australia to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

How far in advance should I book a flight to Seattle?

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 9% on your flight if you consider stops on a Australia to Seattle flight.

What is the cheapest airline that flies from Australia to Seattle/Tacoma Intl?

Air Canada, American Airlines, and Delta are the most popular carriers operating from Australia to Seattle/Tacoma Intl

Which airlines fly to Seattle?

How long does it take to fly to Seattle?

Cheap Australia to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Seattle

Direct flights

When did momondo last update prices for flights from Australia to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Australia to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Australia to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

Best airlines flying from Australia to Seattle

Compare and see reviews for airlines that fly from Australia to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Seattle?

Can I find flights from Australia to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Australia to Seattle?

I’m not ready to book a flight from Australia to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington