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

If you’re flying from a popular airport in Australia, such as Sydney or Brisbane, and flying into State of Washington, then you can expect flight times to average 17h 44m and 19h 05m, respectively.

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

United Airlines, Air New Zealand, and Qantas Airways 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 were last updated today.

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

There are 2 operators available for flights from Australia to Washington 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 layovers. 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 travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$396 Cheap Flights from Australia to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Washington

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Recent round-trip flight deals from Australia to Washington

Enter your travel dates to find the best prices.

9:10 am - 5:34 pm

SYD

SEA

25h 24m

2 stops

5:02 pm - 7:05 am

SEA

SYD

21h 03m

1 stop

$873British Airways

Thu, Sep 10 - Wed, Sep 23

9:10 am - 3:57 pm

SYD

SEA

23h 47m

1 stop

12:55 pm - 7:05 am

SEA

SYD

25h 10m

1 stop

$878British Airways

Thu, Sep 10 - Wed, Sep 23

1:15 pm - 6:33 pm

SYD

SEA

22h 18m

2 stops

1:13 pm - 11:50 am

SEA

SYD

29h 37m

2 stops

$886Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

11:20 am - 4:00 pm

SYD

SEA

23h 40m

1 stop

11:13 am - 9:00 am

SEA

SYD

50h 47m

2 stops

$895American Airlines

Thu, Nov 5 - Mon, Nov 9

11:20 am - 4:12 pm

SYD

SEA

23h 52m

1 stop

11:59 pm - 7:00 am

SEA

SYD

36h 01m

1 stop

$913United Airlines

Thu, Nov 5 - Mon, Nov 9

10:20 am - 3:52 pm

SYD

SEA

22h 32m

2 stops

2:34 pm - 6:55 am

SEA

SYD

23h 21m

2 stops

$919United Airlines

Wed, Sep 9 - Wed, Sep 16

10:55 am - 8:53 pm

MEL

SEA

26h 58m

1 stop

1:16 pm - 8:15 am

SEA

MEL

25h 59m

1 stop

$931United Airlines

Sun, Aug 9 - Sat, Aug 22

9:20 am - 6:32 pm

SYD

SEA

26h 12m

1 stop

10:50 am - 7:20 am

SEA

SYD

27h 30m

1 stop

$1,073Air Canada

Wed, Sep 9 - Wed, Sep 16

9:20 am - 6:32 pm

SYD

SEA

26h 12m

1 stop

10:50 am - 7:20 am

SEA

SYD

27h 30m

1 stop

$1,075Air Canada

Wed, Sep 9 - Wed, Sep 16

7:30 am - 9:52 am

SYD

SEA

20h 22m

2 stops

7:05 pm - 2:40 pm

SEA

SYD

24h 35m

2 stops

$1,084Air Canada

Tue, Oct 13 - Tue, Nov 10

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United Airlines flights from Australia to State of Washington

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

United Airlines

Nov 5

SYD11:20 amSydney Kingsford Smith

23h 52m

1 stop

SEA4:12 pmSeattle/Tacoma Intl

Nov 9

SEA11:59 pmSeattle/Tacoma Intl

36h 01m

1 stop

SYD7:00 amSydney Kingsford Smith

$913

United Airlines

Sep 9

SYD10:20 amSydney Kingsford Smith

22h 32m

2 stops

SEA3:52 pmSeattle/Tacoma Intl

Sep 16

SEA2:34 pmSeattle/Tacoma Intl

23h 21m

2 stops

SYD6:55 amSydney Kingsford Smith

$919

United Airlines

Aug 7

MEL9:30 amMelbourne

22h 06m

1 stop

SEA2:36 pmSeattle/Tacoma Intl

Aug 28

SEA11:03 amSeattle/Tacoma Intl

28h 12m

2 stops

MEL8:15 amMelbourne

$922

Delta flights from Australia to State of Washington

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

Delta

Sep 9

SYD9:15 amSydney Kingsford Smith

29h 55m

2 stops

SEA10:10 pmSeattle/Tacoma Intl

Sep 16

SEA1:24 pmSeattle/Tacoma Intl

24h 26m

2 stops

SYD6:50 amSydney Kingsford Smith

$917

Delta

Aug 26

SYD9:15 amSydney Kingsford Smith

22h 35m

2 stops

SEA2:50 pmSeattle/Tacoma Intl

Sep 10

SEA7:15 amSeattle/Tacoma Intl

30h 35m

2 stops

SYD6:50 amSydney Kingsford Smith

$969

Delta

Aug 27

SYD9:15 amSydney Kingsford Smith

24h 39m

2 stops

SEA4:54 pmSeattle/Tacoma Intl

Sep 3

SEA5:45 amSeattle/Tacoma Intl

32h 05m

2 stops

SYD6:50 amSydney Kingsford Smith

$972

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 9/10

9:10 am-5:34 pm

2 stops25h 24m

Seattle/Tacoma Intl

Wed 9/23

5:02 pm-7:05 am

1 stop21h 03m

$873

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 9/10

9:10 am-3:57 pm

1 stop23h 47m

Seattle/Tacoma Intl

Wed 9/23

12:55 pm-7:05 am

1 stop25h 10m

$878

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 9/9

1:15 pm-6:33 pm

2 stops22h 18m

Seattle/Tacoma Intl

Wed 9/16

1:13 pm-11:50 am

2 stops29h 37m

$886

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 11/5

11:20 am-4:00 pm

1 stop23h 40m

Seattle/Tacoma Intl

Mon 11/9

11:13 am-9:00 am

2 stops50h 47m

$895

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 11/5

11:20 am-4:12 pm

1 stop23h 52m

Seattle/Tacoma Intl

Mon 11/9

11:59 pm-7:00 am

1 stop36h 01m

$913

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 9/9

10:20 am-3:52 pm

2 stops22h 32m

Seattle/Tacoma Intl

Wed 9/16

2:34 pm-6:55 am

2 stops23h 21m

$919

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 8/9

10:55 am-8:53 pm

1 stop26h 58m

Seattle/Tacoma Intl

Sat 8/22

1:16 pm-8:15 am

1 stop25h 59m

$931

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 9/9

9:20 am-6:32 pm

1 stop26h 12m

Seattle/Tacoma Intl

Wed 9/16

10:50 am-7:20 am

1 stop27h 30m

$1,073

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 9/9

9:20 am-6:32 pm

1 stop26h 12m

Seattle/Tacoma Intl

Wed 9/16

10:50 am-7:20 am

1 stop27h 30m

$1,075

Quickest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 10/13

7:30 am-9:52 am

2 stops20h 22m

Seattle/Tacoma Intl

Tue 11/10

7:05 pm-2:40 pm

2 stops24h 35m

$1,084

Flights are sorted by cheapest round-trip 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 $876. If you aren’t able to travel to State of Washington during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $947.

How far in advance should I book a flight from Australia to 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 $1,066 when searching weeks out. 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 $660 on momondo.

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

You could potentially save up to 13% 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	17h 44m
Direct flights	None

The fastest flight from Australia to State of Washington takes 17h 44m

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 were last updated today.
How many operators does momondo search for flights from Australia to Washington?
There are 2 operators available for flights from Australia to Washington 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 layovers. 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 travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Air Canada	PriceFrom $431	Free Cancellation	Rating 7.1 11,406 reviews		Search Air Canada flights
United Airlines	PriceFrom $778	Free Cancellation	Rating 7.4 10,046 reviews		Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Australia to Washington. momondo saves you time and could save you money on your trip.

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?

If you are not ready to book a flight from Australia to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.