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

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

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 41% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 10 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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 12m on average. On the other hand, flying from Sydney to Seattle takes 17h 12m 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.

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 10 as of September 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.

$771 Cheap Flights from Australia to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Washington

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One-way

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Recent return flight deals from Australia to Washington

Enter your travel dates to find the best prices.

10:00 - 21:06BNE Brisbane-GEG Spokane

28h 06m2 stops Vancouver Intl San Francisco

13:10 - 07:45GEG Spokane-BNE Brisbane

49h 35m2 stops San Francisco Vancouver Intl

$1,285Air Canada

Mon, 12 Oct - Tue, 27 Oct

10:00 - 15:22BNE Brisbane-GEG Spokane

22h 22m2 stops Vancouver Intl San Francisco

13:10 - 07:45GEG Spokane-BNE Brisbane

25h 35m2 stops San Francisco Vancouver Intl

$1,298Multiple Airlines

Mon, 12 Oct - Tue, 27 Oct

10:15 - 14:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 35m2 stops Los Angeles Los Angeles Salt Lake City

07:15 - 07:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 15m2 stops Salt Lake City Los Angeles Los Angeles

$1,316Delta

Tue, 6 Oct - Tue, 27 Oct

10:15 - 20:27SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 12m1 stop Los Angeles Los Angeles

11:05 - 07:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 25m2 stops Salt Lake City Los Angeles Los Angeles

$1,316Delta

Tue, 6 Oct - Tue, 27 Oct

21:40 - 20:49SYD Sydney Kingsford Smith-PDX Portland

18h 09m1 stop Honolulu

10:30 - 19:45PDX Portland-SYD Sydney Kingsford Smith

38h 15m1 stop Honolulu

$1,330Alaska Airlines

Tue, 10 Nov - Tue, 24 Nov

09:40 - 15:20BNE Brisbane-SEA Seattle/Tacoma Intl

23h 40m1 stop Dallas/Fort Worth

11:36 - 06:30SEA Seattle/Tacoma Intl-BNE Brisbane

24h 54m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$1,355American Airlines

Sun, 24 Jan - Sun, 14 Feb

09:40 - 13:25BNE Brisbane-SEA Seattle/Tacoma Intl

21h 45m1 stop Dallas/Fort Worth

11:36 - 06:30SEA Seattle/Tacoma Intl-BNE Brisbane

24h 54m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$1,355American Airlines

Mon, 1 Feb - Fri, 19 Feb

10:10 - 12:16SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 06m1 stop Los Angeles Los Angeles

19:08 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 52m1 stop Los Angeles Los Angeles

$1,362Qantas Airways

Thu, 22 Oct - Wed, 28 Oct

10:45 - 09:30BNE Brisbane-SEA Seattle/Tacoma Intl

16h 45m1 stop Vancouver Intl

15:15 - 07:05SEA Seattle/Tacoma Intl-BNE Brisbane

22h 50m1 stop Vancouver Intl

$1,431Air Canada

Tue, 2 Mar - Thu, 1 Apr

11:10 - 14:42SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 32m1 stop Los Angeles Los Angeles

15:55 - 06:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Los Angeles Los Angeles

$1,441Qantas Airways

Sun, 22 Nov - Fri, 4 Dec

Recent last minute flight deals from Australia to Washington

Enter your travel dates to find the best prices.

09:10 - 11:29SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 19m1 stop Los Angeles Los Angeles

17:02 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

$1,455Multiple Airlines

Sun, 20 Sep - Wed, 30 Sep

09:10 - 17:34SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 24m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

12:55 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles Los Angeles

$1,493Qantas Airways

Sun, 20 Sep - Wed, 30 Sep

22:00 - 12:25SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

31h 25m2 stops Melbourne Los Angeles Los Angeles

06:00 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 05m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

$1,527Qantas Airways

Sun, 20 Sep - Wed, 30 Sep

09:10 - 15:47SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 37m1 stop Los Angeles Los Angeles

20:45 - 08:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 20m1 stop Los Angeles Los Angeles

$1,675Multiple Airlines

Sat, 19 Sep - Sat, 3 Oct

09:15 - 16:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 35m2 stops Los Angeles Los Angeles Salt Lake City

17:55 - 07:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 55m1 stop Los Angeles Los Angeles

$1,963Delta

Sat, 19 Sep - Sat, 3 Oct

09:15 - 22:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 50m1 stop Los Angeles Los Angeles

17:55 - 07:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 55m1 stop Los Angeles Los Angeles

$1,963Delta

Fri, 18 Sep - Sat, 3 Oct

10:20 - 12:20SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 00m1 stop San Francisco

17:21 - 07:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 34m1 stop San Francisco

$2,145United Airlines

Fri, 18 Sep - Sun, 4 Oct

09:30 - 11:24SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 54m1 stop Los Angeles Los Angeles

13:19 - 07:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 36m1 stop San Francisco

$2,145United Airlines

Sat, 19 Sep - Sun, 4 Oct

20:45 - 10:05BNE Brisbane-SEA Seattle/Tacoma Intl

30h 20m2 stops Sydney Kingsford Smith Vancouver Intl

19:15 - 07:05SEA Seattle/Tacoma Intl-BNE Brisbane

18h 50m1 stop Vancouver Intl

$2,213Air Canada

Wed, 23 Sep - Fri, 25 Sep

20:30 - 09:31MEL Melbourne-PDX Portland

30h 01m2 stops Sydney Kingsford Smith Vancouver Intl

19:45 - 12:20PDX Portland-MEL Melbourne

22h 35m2 stops Vancouver Intl Brisbane

$2,340Air Canada

Mon, 21 Sep - Mon, 12 Oct

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Air Canada flights from Australia to State of Washington

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

Air Canada

12 Oct

BNE10:00Brisbane

28h 06m

2 stops

GEG21:06Spokane

27 Oct

GEG13:10Spokane

49h 35m

2 stops

BNE07:45Brisbane

$1,285

Air Canada

2 Mar

BNE10:45Brisbane

16h 45m

1 stop

SEA09:30Seattle/Tacoma Intl

1 Apr

SEA15:15Seattle/Tacoma Intl

22h 50m

1 stop

BNE07:05Brisbane

$1,431

Air Canada

27 Oct

BNE09:45Brisbane

25h 37m

1 stop

SEA18:22Seattle/Tacoma Intl

3 Nov

SEA10:10Seattle/Tacoma Intl

28h 35m

1 stop

BNE08:45Brisbane

$1,435

United Airlines flights from Australia to State of Washington

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

United Airlines

22 Oct

SYD11:20Sydney Kingsford Smith

19h 03m

1 stop

SEA12:23Seattle/Tacoma Intl

8 Nov

SEA07:05Seattle/Tacoma Intl

28h 55m

1 stop

SYD07:00Sydney Kingsford Smith

$1,374

United Airlines

23 Jan

BNE11:20Brisbane

24h 49m

2 stops

SEA18:09Seattle/Tacoma Intl

12 Feb

SEA06:57Seattle/Tacoma Intl

30h 33m

1 stop

BNE07:30Brisbane

$1,392

United Airlines

17 Feb

BNE11:20Brisbane

25h 11m

1 stop

PDX18:31Portland

10 Mar

PDX13:39Portland

23h 51m

1 stop

BNE07:30Brisbane

$1,411

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BrisbaneSpokane

BNE Brisbane - GEG Spokane

BNEGEG

Brisbane

Mon 12/10

10:00-21:06

2 stops28h 06m

Spokane

Tue 27/10

13:10-07:45

2 stops49h 35m

$1,285

BrisbaneSpokane

BNE Brisbane - GEG Spokane

BNEGEG

Brisbane

Mon 12/10

10:00-15:22

2 stops22h 22m

Spokane

Tue 27/10

13:10-07:45

2 stops25h 35m

$1,298

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 6/10

10:15-14:50

2 stops22h 35m

Seattle/Tacoma Intl

Tue 27/10

07:15-07:30

2 stops30h 15m

$1,316

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 6/10

10:15-20:27

1 stop28h 12m

Seattle/Tacoma Intl

Tue 27/10

11:05-07:30

2 stops26h 25m

$1,316

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 10/11

21:40-20:49

1 stop18h 09m

Portland

Tue 24/11

10:30-19:45

1 stop38h 15m

$1,330

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Sun 24/1

09:40-15:20

1 stop23h 40m

Seattle/Tacoma Intl

Sun 14/2

11:36-06:30

2 stops24h 54m

$1,355

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Mon 1/2

09:40-13:25

1 stop21h 45m

Seattle/Tacoma Intl

Fri 19/2

11:36-06:30

2 stops24h 54m

$1,355

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 22/10

10:10-12:16

1 stop20h 06m

Seattle/Tacoma Intl

Wed 28/10

19:08-09:00

1 stop19h 52m

$1,362

Fastest return journey

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Tue 2/3

10:45-09:30

1 stop16h 45m

Seattle/Tacoma Intl

Thu 1/4

15:15-07:05

1 stop22h 50m

$1,431

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 22/11

11:10-14:42

1 stop22h 32m

Seattle/Tacoma Intl

Fri 4/12

15:55-06:25

1 stop19h 30m

$1,441

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 $1,249. If you aren’t able to travel during the month of March, then book flights to State of Washington from Australia during February instead. Flights to State of Washington in February, while not as cheap as those in March, still average around $1,444.

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 $1,561 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 $1,447 on momondo.

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

You could potentially save up to 9% 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

Best price found	$771
Fastest flight time	16h 12m
Direct flights	None

The best one-way flight to State of Washington from Australia in the past 72 hours is $771. The best return flight deal from Australia to State of Washington found on momondo in the last 72 hours is $1,285.

The fastest flight from Australia to State of Washington takes 16h 12m

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

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 10 as of September 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 $760	Free cancellation	Rating 7.8 8,578 reviews	Search Delta flights
American Airlines	PriceFrom $816	Free cancellation	Rating 7.1 12,076 reviews	Search American Airlines flights
Air Canada	PriceFrom $909	Free cancellation	Rating 7.1 11,640 reviews	Search Air Canada flights
United Airlines	PriceFrom $942	Free cancellation	Rating 7.4 10,213 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $950	Free cancellation	Rating 7.6 475 reviews	Search Virgin Australia flights
Qantas Airways	PriceFrom $1,057	Free cancellation	Rating 7.5 1,099 reviews	Search Qantas Airways flights
Hawaiian Airlines	PriceFrom $1,150	Free cancellation	Rating 7.8 2,811 reviews	Search Hawaiian Airlines flights
Japan Airlines	PriceFrom $1,270	Free cancellation	Rating 8.3 1,914 reviews	Search Japan Airlines flights
Air New Zealand	PriceFrom $1,377	Free cancellation	Rating 8.0 669 reviews	Search Air New Zealand flights
Singapore Airlines	PriceFrom $1,500	Free cancellation	Rating 8.2 1,602 reviews	Search Singapore 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.