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

United Airlines, American Airlines, and Qantas Airways 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 Sydney or Melbourne, and flying into State of Washington, then you can expect flight times to average 19h 14m and 20h 35m, respectively.

What airlines fly to State of Washington?

United Airlines, Air Canada and Delta 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 46% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 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 were last updated today.

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

There are 3 operators available for flights from Australia to Washington as of April 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.

$471 Cheap Flights from Australia to Washington in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

10:55 am - 11:59 pm

MEL

SEA

30h 04m

2 stops

1:30 pm - 8:15 am

SEA

MEL

25h 45m

1 stop

$920United Airlines

Tue, Jun 9 - Tue, Jun 23

10:55 am - 11:39 am

MEL

SEA

41h 44m

2 stops

10:40 pm - 7:30 am

SEA

MEL

63h 50m

2 stops

$921United Airlines

Sun, May 3 - Sat, May 23

10:55 am - 3:48 pm

MEL

SEA

45h 53m

2 stops

5:00 pm - 7:30 am

SEA

MEL

69h 30m

2 stops

$927United Airlines

Tue, May 5 - Sat, May 23

9:15 am - 2:46 pm

SYD

SEA

22h 31m

2 stops

10:50 am - 6:50 am

SEA

SYD

27h 00m

2 stops

$967Delta

Tue, May 5 - Tue, May 12

9:15 am - 4:53 pm

SYD

SEA

24h 38m

1 stop

10:15 am - 6:50 am

SEA

SYD

27h 35m

1 stop

$974Delta

Tue, May 12 - Tue, May 19

1:15 pm - 6:40 pm

SYD

SEA

22h 25m

2 stops

5:59 pm - 11:50 am

SEA

SYD

24h 51m

2 stops

$1,007Multiple Airlines

Tue, May 12 - Wed, May 27

1:15 pm - 8:48 pm

SYD

PDX

24h 33m

2 stops

5:37 pm - 11:50 am

PDX

SYD

25h 13m

2 stops

$1,007Multiple Airlines

Mon, Aug 3 - Mon, Aug 17

9:10 am - 12:56 pm

SYD

SEA

20h 46m

1 stop

5:28 pm - 7:30 am

SEA

SYD

21h 02m

1 stop

$1,021Qantas Airways

Thu, May 14 - Fri, May 29

9:20 am - 9:30 am

SYD

PDX

17h 10m

1 stop

7:45 pm - 7:20 am

PDX

SYD

18h 35m

1 stop

$1,126Air Canada

Thu, May 28 - Thu, Jun 4

1:35 pm - 10:58 pm

CBR

SEA

26h 23m

2 stops

5:28 pm - 11:05 am

SEA

CBR

24h 37m

2 stops

$1,373Qantas Airways

Sun, May 17 - Sun, May 24

Air Canada flights from Australia to State of Washington

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

Air Canada

May 20

MEL8:30 pmMelbourne

39h 00m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

May 24

SEA10:45 amSeattle/Tacoma Intl

31h 20m

2 stops

MEL11:05 amMelbourne

$994

Air Canada

May 20

MEL8:40 pmMelbourne

34h 40m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

May 24

SEA7:20 pmSeattle/Tacoma Intl

22h 45m

2 stops

MEL11:05 amMelbourne

$996

Air Canada

Jun 1

MEL8:40 pmMelbourne

30h 28m

2 stops

SEA10:08 amSeattle/Tacoma Intl

Jun 8

SEA7:20 pmSeattle/Tacoma Intl

22h 45m

2 stops

MEL11:05 amMelbourne

$1,125

Qantas Airways flights from Australia to State of Washington

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

Qantas Airways

May 14

SYD9:10 amSydney Kingsford Smith

20h 46m

1 stop

SEA12:56 pmSeattle/Tacoma Intl

May 29

SEA5:28 pmSeattle/Tacoma Intl

21h 02m

1 stop

SYD7:30 amSydney Kingsford Smith

$1,021

Qantas Airways

May 31

SYD9:10 amSydney Kingsford Smith

29h 39m

1 stop

SEA9:49 pmSeattle/Tacoma Intl

Jun 7

SEA2:40 pmSeattle/Tacoma Intl

23h 25m

1 stop

SYD7:05 amSydney Kingsford Smith

$1,056

Qantas Airways

May 20

SYD9:10 amSydney Kingsford Smith

30h 48m

1 stop

SEA10:58 pmSeattle/Tacoma Intl

Jun 7

SEA2:40 pmSeattle/Tacoma Intl

23h 25m

1 stop

SYD7:05 amSydney Kingsford Smith

$1,068

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 6/9

10:55 am-11:59 pm

2 stops30h 04m

Seattle/Tacoma Intl

Tue 6/23

1:30 pm-8:15 am

1 stop25h 45m

$920

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 5/3

10:55 am-11:39 am

2 stops41h 44m

Seattle/Tacoma Intl

Sat 5/23

10:40 pm-7:30 am

2 stops63h 50m

$921

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 5/5

10:55 am-3:48 pm

2 stops45h 53m

Seattle/Tacoma Intl

Sat 5/23

5:00 pm-7:30 am

2 stops69h 30m

$927

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 5/5

9:15 am-2:46 pm

2 stops22h 31m

Seattle/Tacoma Intl

Tue 5/12

10:50 am-6:50 am

2 stops27h 00m

$967

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 5/12

9:15 am-4:53 pm

1 stop24h 38m

Seattle/Tacoma Intl

Tue 5/19

10:15 am-6:50 am

1 stop27h 35m

$974

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 5/12

1:15 pm-6:40 pm

2 stops22h 25m

Seattle/Tacoma Intl

Wed 5/27

5:59 pm-11:50 am

2 stops24h 51m

$1,007

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 8/3

1:15 pm-8:48 pm

2 stops24h 33m

Portland

Mon 8/17

5:37 pm-11:50 am

2 stops25h 13m

$1,007

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/14

9:10 am-12:56 pm

1 stop20h 46m

Seattle/Tacoma Intl

Fri 5/29

5:28 pm-7:30 am

1 stop21h 02m

$1,021

Quickest round-trip

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/28

9:20 am-9:30 am

1 stop17h 10m

Portland

Thu 6/4

7:45 pm-7:20 am

1 stop18h 35m

$1,126

CanberraSeattle

CBR - SEA

CBRSEA

Canberra

Sun 5/17

1:35 pm-10:58 pm

2 stops26h 23m

Seattle/Tacoma Intl

Sun 5/24

5:28 pm-11:05 am

2 stops24h 37m

$1,373

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 September 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 September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $884.

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 $1,045 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 $890 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	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.

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 were last updated today.
How many operators does momondo search for flights from Australia to Washington?
There are 3 operators available for flights from Australia to Washington as of April 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 10,932 reviews	Search Air Canada flights
United Airlines	PriceFrom $754	Free Cancellation	Rating 7.4 9,601 reviews	Search United Airlines flights
Delta	PriceFrom $939	Free Cancellation	Rating 7.9 8,409 reviews	Search Delta 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.