How long is the flight from Australia to State of Washington?

Flight times vary depending on what airport in Australia you fly out of and what airport in State of Washington you fly into. For example, flying from Sydney to Seattle takes 18h 17m on average. On the other hand, flying from Brisbane to Seattle takes 21h 08m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Which airlines fly to State of Washington?

United Airlines, Air Canada and Qantas Airways are the top three most popular airlines that fly to State of Washington from Australia according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 15 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Australia to Washington?

Qantas Airways, American Airlines, and Delta are the most popular carriers operating from Australia to Washington

When did momondo last update prices for flights from Australia to Washington?

Prices for flights from Australia to Washington are updated daily.

How many operators does momondo search for flights from Australia to Washington?

The number of operators available for flights from Australia to Washington is 15 as of February 2026.

How old do you have to be to fly from Australia to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$567 Cheap Flights from Australia to Washington in 2026

1 adult

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Find the cheapest flights from Australia to Washington

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Washington

Enter your travel dates to find the best prices.

10:40 - 16:14

BNE

SEA

22h 34m

1 stop

08:43 - 06:30

SEA

BNE

28h 47m

1 stop

$956United Airlines

Sat, 21 Mar - Sun, 29 Mar

19:40 - 22:42

BNE

SEA

20h 02m

1 stop

11:26 - 05:00

SEA

BNE

24h 34m

2 stops

$957American Airlines

Sat, 21 Mar - Sat, 28 Mar

19:40 - 22:42

BNE

SEA

20h 02m

1 stop

06:00 - 05:00

SEA

BNE

30h 00m

1 stop

$960American Airlines

Sat, 21 Mar - Sat, 28 Mar

19:40 - 22:42

BNE

SEA

20h 02m

1 stop

06:00 - 05:00

SEA

BNE

30h 00m

1 stop

$969Qantas Airways

Fri, 20 Mar - Fri, 27 Mar

19:40 - 22:42

BNE

SEA

20h 02m

1 stop

06:00 - 18:55

SEA

BNE

43h 55m

2 stops

$978Qantas Airways

Fri, 20 Mar - Sat, 28 Mar

10:00 - 09:35

BNE

SEA

16h 35m

1 stop

15:40 - 07:05

SEA

BNE

22h 25m

1 stop

$1,247Air Canada

Tue, 21 Apr - Tue, 28 Apr

20:00 - 09:35

ADL

SEA

30h 05m

2 stops

15:40 - 11:50

SEA

ADL

27h 40m

2 stops

$1,566Air Canada

Mon, 13 Apr - Mon, 20 Apr

06:05 - 14:30

ADL

SEA

24h 55m

2 stops

17:20 - 11:05

SEA

ADL

25h 15m

2 stops

$1,764Virgin Australia

Thu, 11 Jun - Tue, 30 Jun

06:05 - 23:10

ADL

SEA

33h 35m

2 stops

08:45 - 11:05

SEA

ADL

33h 50m

2 stops

$1,773Virgin Australia

Thu, 9 Jul - Sun, 19 Jul

18:15 - 08:45

CNS

SEA

31h 30m

1 stop

10:15 - 17:00

SEA

CNS

61h 45m

1 stop

$1,815Singapore Airlines

Mon, 8 Jun - Tue, 15 Sep

Air Canada flights from Australia to State of Washington

Our best Air Canada deals on Australia to State of Washington flight tickets

Air Canada

21 Apr

BNE10:00Brisbane

16h 35m

1 stop

SEA09:35Seattle/Tacoma Intl

28 Apr

SEA15:40Seattle/Tacoma Intl

22h 25m

1 stop

BNE07:05Brisbane

$1,247

Air Canada

29 Apr

BNE10:00Brisbane

29h 50m

1 stop

SEA22:50Seattle/Tacoma Intl

15 May

SEA19:20Seattle/Tacoma Intl

18h 45m

1 stop

BNE07:05Brisbane

$1,265

Air Canada

3 Mar

BNE14:05Brisbane

50h 51m

2 stops

SEA22:56Seattle/Tacoma Intl

19 Mar

SEA15:40Seattle/Tacoma Intl

26h 50m

2 stops

BNE11:30Brisbane

$1,276

Delta flights from Australia to State of Washington

Our best Delta deals on Australia to State of Washington flight tickets

Delta

6 Mar

BNE10:40Brisbane

31h 29m

2 stops

SEA00:09Seattle/Tacoma Intl

9 Mar

SEA16:55Seattle/Tacoma Intl

21h 25m

2 stops

BNE07:20Brisbane

$959

Delta

29 May

MEL10:00Melbourne

30h 55m

1 stop

SEA23:55Seattle/Tacoma Intl

24 June

SEA07:20Seattle/Tacoma Intl

31h 30m

1 stop

MEL07:50Melbourne

$1,161

Delta

29 May

MEL10:00Melbourne

30h 55m

1 stop

SEA23:55Seattle/Tacoma Intl

24 June

SEA14:30Seattle/Tacoma Intl

24h 20m

1 stop

MEL07:50Melbourne

$1,164

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 21/3

10:40-16:14

1 stop22h 34m

Seattle/Tacoma Intl

Sun 29/3

08:43-06:30

1 stop28h 47m

$956

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 21/3

19:40-22:42

1 stop20h 02m

Seattle/Tacoma Intl

Sat 28/3

11:26-05:00

2 stops24h 34m

$957

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 21/3

19:40-22:42

1 stop20h 02m

Seattle/Tacoma Intl

Sat 28/3

06:00-05:00

1 stop30h 00m

$960

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 20/3

19:40-22:42

1 stop20h 02m

Seattle/Tacoma Intl

Fri 27/3

06:00-05:00

1 stop30h 00m

$969

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 20/3

19:40-22:42

1 stop20h 02m

Seattle/Tacoma Intl

Sat 28/3

06:00-18:55

2 stops43h 55m

$978

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 21/4

10:00-09:35

1 stop16h 35m

Seattle/Tacoma Intl

Tue 28/4

15:40-07:05

1 stop22h 25m

$1,247

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 13/4

20:00-09:35

2 stops30h 05m

Seattle/Tacoma Intl

Mon 20/4

15:40-11:50

2 stops27h 40m

$1,566

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 11/6

06:05-14:30

2 stops24h 55m

Seattle/Tacoma Intl

Tue 30/6

17:20-11:05

2 stops25h 15m

$1,764

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 9/7

06:05-23:10

2 stops33h 35m

Seattle/Tacoma Intl

Sun 19/7

08:45-11:05

2 stops33h 50m

$1,773

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Mon 8/6

18:15-08:45

1 stop31h 30m

Seattle/Tacoma Intl

Tue 15/9

10:15-17:00

1 stop61h 45m

$1,815

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 State of Washington

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 State of Washington?

The month of August is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $1,260. If you aren’t able to travel during the month of August, then book flights to State of Washington from Australia during September instead. Flights to State of Washington in September, while not as cheap as those in August, still average around $1,302.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $1,503 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Australia for as low as $1,285 on momondo.

Can stopping save me money on Australia to State of Washington flights?

You could potentially save up to 29% on your flight if you consider stops on a Australia to State of Washington flight.

Cheap Australia to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to State of Washington

Fastest flight time	18h 17m
Direct flights	None

The fastest flight from Australia to State of Washington takes 18h 17m

There are no direct flights from Australia to State of Washington. There are no popular flight routes from Australia to State of Washington.

Search flight deals

When did momondo last update prices for flights from Australia to Washington?
Prices for flights from Australia to Washington are updated daily.
How many operators does momondo search for flights from Australia to Washington?
The number of operators available for flights from Australia to Washington is 15 as of February 2026.
How old do you have to be to fly from Australia to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Australia to State of Washington

Compare and see reviews for airlines that fly from Australia to State of Washington with momondo

Airline	Rating	Free cancellation	Price
Delta	PriceFrom $682	Free cancellation	Rating 7.9 8,243 reviews	Search Delta flights
Air New Zealand	PriceFrom $862	Free cancellation	Rating 8.0 605 reviews	Search Air New Zealand flights
Air Canada	PriceFrom $939	Free cancellation	Rating 7.1 10,750 reviews	Search Air Canada flights
United Airlines	PriceFrom $943	Free cancellation	Rating 7.4 9,352 reviews	Search United Airlines flights
American Airlines	PriceFrom $951	Free cancellation	Rating 7.2 11,360 reviews	Search American Airlines flights
Virgin Australia	PriceFrom $1,056	Free cancellation	Rating 7.6 445 reviews	Search Virgin Australia flights
Qantas Airways	PriceFrom $1,058	Free cancellation	Rating 7.5 999 reviews	Search Qantas Airways flights
Alaska Airlines	PriceFrom $1,101	Free cancellation	Rating 8.0 11,965 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $1,151	Free cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Philippine Airlines	PriceFrom $1,228	Free cancellation	Rating 7.3 961 reviews	Search Philippine Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Australia.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Australia.

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

Yes. momondo can track prices for Australia to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.