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

Delta, United Airlines, and Air Canada are the most popular carriers operating from Australia to Washington

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

If you’re flying from a popular airport in Australia, such as Brisbane or Sydney, and flying into State of Washington, then you can expect flight times to average 16h 50m and 17h 32m, respectively.

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 May 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.

$567 Cheap Flights from Australia to Washington in 2026

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Find the cheapest flights from Australia to Washington

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Washington

Enter your travel dates to find the best prices.

10:00 am - 6:32 pm

BNE

SEA

25h 32m

1 stop

7:20 pm - 7:05 am

SEA

BNE

18h 45m

1 stop

$862Air Canada

Mon, Oct 12 - Tue, Oct 20

9:20 am - 10:07 am

SYD

SEA

17h 47m

1 stop

7:20 pm - 11:40 am

SEA

SYD

23h 20m

2 stops

$877Multiple Airlines

Tue, Jul 21 - Tue, Jul 28

10:55 am - 7:56 am

MEL

SEA

38h 01m

2 stops

5:00 am - 8:15 am

SEA

MEL

34h 15m

2 stops

$930United Airlines

Tue, Jun 9 - Sat, Jun 27

10:55 am - 12:42 pm

MEL

SEA

18h 47m

1 stop

8:45 am - 8:15 am

SEA

MEL

30h 30m

1 stop

$933United Airlines

Sun, Jun 14 - Sat, Jun 27

10:00 am - 8:27 pm

MEL

SEA

27h 27m

1 stop

1:29 pm - 7:50 am

SEA

MEL

49h 21m

2 stops

$940Delta

Wed, Jul 22 - Thu, Aug 13

10:00 am - 4:28 pm

MEL

SEA

23h 28m

2 stops

11:05 am - 7:50 am

SEA

MEL

27h 45m

2 stops

$941Delta

Wed, Jul 29 - Wed, Aug 5

10:55 am - 12:50 am

MEL

PDX

30h 55m

1 stop

11:16 am - 8:15 am

PDX

MEL

27h 59m

1 stop

$980Lufthansa

Sat, Jul 11 - Sat, Jul 18

10:55 am - 8:54 pm

MEL

PDX

26h 59m

1 stop

11:16 am - 8:15 am

PDX

MEL

27h 59m

1 stop

$983Lufthansa

Sat, Jul 11 - Sat, Jul 18

9:10 am - 4:38 pm

SYD

PDX

24h 28m

2 stops

1:38 pm - 7:05 am

PDX

SYD

24h 27m

2 stops

$1,011American Airlines

Mon, Aug 3 - Tue, Aug 11

12:00 pm - 6:41 pm

SYD

PDX

23h 41m

1 stop

11:58 am - 7:05 am

PDX

SYD

26h 07m

2 stops

$1,019American Airlines

Mon, Aug 3 - Tue, Aug 11

Air Canada flights from Australia to State of Washington

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

Air Canada

Oct 12

BNE10:00 amBrisbane

25h 32m

1 stop

SEA6:32 pmSeattle/Tacoma Intl

Oct 20

SEA7:20 pmSeattle/Tacoma Intl

18h 45m

1 stop

BNE7:05 amBrisbane

$862

Air Canada

Oct 1

SYD9:20 amSydney Kingsford Smith

22h 02m

1 stop

SEA2:22 pmSeattle/Tacoma Intl

Nov 10

SEA10:10 amSeattle/Tacoma Intl

28h 25m

1 stop

SYD9:35 amSydney Kingsford Smith

$867

Air Canada

Nov 2

SYD9:00 amSydney Kingsford Smith

24h 37m

2 stops

SEA2:37 pmSeattle/Tacoma Intl

Nov 10

SEA3:15 pmSeattle/Tacoma Intl

23h 20m

1 stop

SYD9:35 amSydney Kingsford Smith

$883

United Airlines flights from Australia to State of Washington

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

United Airlines

Jun 9

MEL10:55 amMelbourne

38h 01m

2 stops

SEA7:56 amSeattle/Tacoma Intl

Jun 27

SEA5:00 amSeattle/Tacoma Intl

34h 15m

2 stops

MEL8:15 amMelbourne

$930

United Airlines

Jun 14

MEL10:55 amMelbourne

18h 47m

1 stop

SEA12:42 pmSeattle/Tacoma Intl

Jun 27

SEA8:45 amSeattle/Tacoma Intl

30h 30m

1 stop

MEL8:15 amMelbourne

$933

United Airlines

Jun 19

MEL9:30 amMelbourne

28h 40m

2 stops

SEA9:10 pmSeattle/Tacoma Intl

Jul 24

SEA5:04 pmSeattle/Tacoma Intl

21h 26m

1 stop

MEL7:30 amMelbourne

$934

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 10/12

10:00 am-6:32 pm

1 stop25h 32m

Seattle/Tacoma Intl

Tue 10/20

7:20 pm-7:05 am

1 stop18h 45m

$862

Quickest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 7/21

9:20 am-10:07 am

1 stop17h 47m

Seattle/Tacoma Intl

Tue 7/28

7:20 pm-11:40 am

2 stops23h 20m

$877

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 6/9

10:55 am-7:56 am

2 stops38h 01m

Seattle/Tacoma Intl

Sat 6/27

5:00 am-8:15 am

2 stops34h 15m

$930

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 6/14

10:55 am-12:42 pm

1 stop18h 47m

Seattle/Tacoma Intl

Sat 6/27

8:45 am-8:15 am

1 stop30h 30m

$933

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 7/22

10:00 am-8:27 pm

1 stop27h 27m

Seattle/Tacoma Intl

Thu 8/13

1:29 pm-7:50 am

2 stops49h 21m

$940

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 7/29

10:00 am-4:28 pm

2 stops23h 28m

Seattle/Tacoma Intl

Wed 8/5

11:05 am-7:50 am

2 stops27h 45m

$941

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 7/11

10:55 am-12:50 am

1 stop30h 55m

Portland

Sat 7/18

11:16 am-8:15 am

1 stop27h 59m

$980

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 7/11

10:55 am-8:54 pm

1 stop26h 59m

Portland

Sat 7/18

11:16 am-8:15 am

1 stop27h 59m

$983

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 8/3

9:10 am-4:38 pm

2 stops24h 28m

Portland

Tue 8/11

1:38 pm-7:05 am

2 stops24h 27m

$1,011

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 8/3

12:00 pm-6:41 pm

1 stop23h 41m

Portland

Tue 8/11

11:58 am-7:05 am

2 stops26h 07m

$1,019

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 December is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $427. If you aren’t able to travel to State of Washington during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $431.

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 $1,030 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 $692 on momondo.

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

You could potentially save up to 7% 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 50m
Direct flights	None

The fastest flight from Australia to State of Washington takes 16h 50m

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 May 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 11,107 reviews		Search Air Canada flights
United Airlines	PriceFrom $754	Free Cancellation	Rating 7.4 9,768 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.