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

United Airlines, Cathay Pacific, and American Airlines are the most popular carriers operating from Australia to Washington

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 Brisbane to Seattle takes 16h 41m on average. On the other hand, flying from Sydney to Seattle takes 19h 04m 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?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to State of Washington from Australia according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 11 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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 11 as of July 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.

$607 Cheap Flights from Australia to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Washington

Return

One-way

Last minute

Recent return flight deals from Australia to Washington

Enter your travel dates to find the best prices.

09:10 - 17:34

SYD

SEA

25h 24m

2 stops

17:02 - 07:05

SEA

SYD

21h 03m

1 stop

$1,249British Airways

Thu, 10 Sep - Wed, 23 Sep

09:10 - 15:57

SYD

SEA

23h 47m

1 stop

12:55 - 07:05

SEA

SYD

25h 10m

1 stop

$1,257British Airways

Thu, 10 Sep - Wed, 23 Sep

09:10 - 15:58

SYD

SEA

23h 48m

2 stops

11:22 - 07:05

SEA

SYD

26h 43m

2 stops

$1,287American Airlines

Thu, 10 Sep - Wed, 23 Sep

10:55 - 20:53

MEL

SEA

26h 58m

1 stop

13:16 - 08:15

SEA

MEL

25h 59m

1 stop

$1,334United Airlines

Sun, 9 Aug - Sat, 22 Aug

09:30 - 21:10

MEL

SEA

28h 40m

2 stops

15:30 - 08:15

SEA

MEL

23h 45m

1 stop

$1,334United Airlines

Sun, 9 Aug - Sat, 22 Aug

10:15 - 16:39

SYD

PDX

24h 24m

1 stop

17:34 - 08:30

PDX

SYD

19h 56m

1 stop

$1,401Delta

Fri, 23 Oct - Wed, 4 Nov

09:15 - 23:44

SYD

SEA

31h 29m

1 stop

11:22 - 06:50

SEA

SYD

26h 28m

2 stops

$1,447Delta

Mon, 7 Sep - Mon, 14 Sep

12:00 - 22:26

SYD

SEA

27h 26m

1 stop

07:10 - 07:05

SEA

SYD

30h 55m

1 stop

$1,497American Airlines

Tue, 8 Sep - Sat, 12 Sep

10:00 - 10:05

BNE

SEA

17h 05m

1 stop

15:00 - 07:05

SEA

BNE

23h 05m

1 stop

$1,508Air Canada

Mon, 14 Sep - Mon, 21 Sep

10:15 - 14:22

BNE

SEA

21h 07m

1 stop

05:50 - 07:05

SEA

BNE

32h 15m

1 stop

$1,533Air Canada

Tue, 8 Sep - Tue, 29 Sep

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Qantas Airways flights from Australia to State of Washington

Our best Qantas Airways deals on Australia to State of Washington flight tickets

Qantas Airways

21 Aug

SYD09:10Sydney Kingsford Smith

31h 11m

1 stop

SEA23:21Seattle/Tacoma Intl

28 Aug

SEA17:22Seattle/Tacoma Intl

20h 43m

1 stop

SYD07:05Sydney Kingsford Smith

$1,531

Qantas Airways

21 Oct

SYD18:50Sydney Kingsford Smith

19h 43m

1 stop

PDX20:33Portland

4 Nov

PDX06:47Portland

28h 38m

1 stop

SYD06:25Sydney Kingsford Smith

$1,543

Qantas Airways

7 Sept

SYD17:30Sydney Kingsford Smith

22h 51m

2 stops

SEA23:21Seattle/Tacoma Intl

14 Sept

SEA17:02Seattle/Tacoma Intl

21h 03m

1 stop

SYD07:05Sydney Kingsford Smith

$1,554

American Airlines flights from Australia to State of Washington

Our best American Airlines deals on Australia to State of Washington flight tickets

American Airlines

12 Aug

SYD12:00Sydney Kingsford Smith

23h 59m

1 stop

PDX18:59Portland

9 Sept

PDX06:30Portland

31h 35m

1 stop

SYD07:05Sydney Kingsford Smith

$1,484

American Airlines

8 Sept

SYD12:00Sydney Kingsford Smith

27h 26m

1 stop

SEA22:26Seattle/Tacoma Intl

12 Sept

SEA07:10Seattle/Tacoma Intl

30h 55m

1 stop

SYD07:05Sydney Kingsford Smith

$1,497

American Airlines

8 Sept

SYD09:10Sydney Kingsford Smith

23h 48m

2 stops

SEA15:58Seattle/Tacoma Intl

12 Sept

SEA11:22Seattle/Tacoma Intl

26h 43m

2 stops

SYD07:05Sydney Kingsford Smith

$1,500

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/9

09:10-17:34

2 stops25h 24m

Seattle/Tacoma Intl

Wed 23/9

17:02-07:05

1 stop21h 03m

$1,249

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/9

09:10-15:57

1 stop23h 47m

Seattle/Tacoma Intl

Wed 23/9

12:55-07:05

1 stop25h 10m

$1,256

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/9

09:10-15:58

2 stops23h 48m

Seattle/Tacoma Intl

Wed 23/9

11:22-07:05

2 stops26h 43m

$1,287

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 9/8

10:55-20:53

1 stop26h 58m

Seattle/Tacoma Intl

Sat 22/8

13:16-08:15

1 stop25h 59m

$1,334

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 9/8

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Sat 22/8

15:30-08:15

1 stop23h 45m

$1,334

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 23/10

10:15-16:39

1 stop24h 24m

Portland

Wed 4/11

17:34-08:30

1 stop19h 56m

$1,401

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/9

09:15-23:44

1 stop31h 29m

Seattle/Tacoma Intl

Mon 14/9

11:22-06:50

2 stops26h 28m

$1,447

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

12:00-22:26

1 stop27h 26m

Seattle/Tacoma Intl

Sat 12/9

07:10-07:05

1 stop30h 55m

$1,497

Fastest return journey

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 14/9

10:00-10:05

1 stop17h 05m

Seattle/Tacoma Intl

Mon 21/9

15:00-07:05

1 stop23h 05m

$1,508

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 8/9

10:15-14:22

1 stop21h 07m

Seattle/Tacoma Intl

Tue 29/9

05:50-07:05

1 stop32h 15m

$1,533

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 March is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $1,254. If you aren’t able to travel during the month of March, then book flights to State of Washington from Australia during October instead. Flights to State of Washington in October, while not as cheap as those in March, still average around $1,355.

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 $1,526 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 $945 on momondo.

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

You could potentially save up to 19% 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	16h 41m
Direct flights	None

The fastest flight from Australia to State of Washington takes 16h 41m

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

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Frequently asked questions about flying 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 11 as of July 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 $775	Free cancellation	Rating 7.8 8,485 reviews	Search Delta flights
American Airlines	PriceFrom $832	Free cancellation	Rating 7.1 11,839 reviews	Search American Airlines flights
Air Canada	PriceFrom $956	Free cancellation	Rating 7.1 11,394 reviews	Search Air Canada flights
United Airlines	PriceFrom $960	Free cancellation	Rating 7.4 10,044 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $968	Free cancellation	Rating 7.6 466 reviews	Search Virgin Australia flights
Hawaiian Airlines	PriceFrom $1,052	Free cancellation	Rating 7.8 2,821 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $1,077	Free cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
Japan Airlines	PriceFrom $1,294	Free cancellation	Rating 8.3 1,880 reviews	Search Japan Airlines flights
ANA	PriceFrom $1,312	Free cancellation	Rating 8.3 1,283 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,403	Free cancellation	Rating 8.0 655 reviews	Search Air New Zealand 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.