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

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 18h 45m and 19h 57m, 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 November 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.

$464 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

Round-trip

One-way

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Recent round-trip flight deals from Australia to Washington

Enter your travel dates to find the best prices.

11:20 am - 11:34 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 14m1 stop Los Angeles

8:30 am - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 35m2 stops Denver Intl Los Angeles

$922United Airlines

Thu, Nov 26 - Tue, Jan 12

9:10 am - 1:25 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 15m1 stop Houston George Bush Intcntl

5:28 pm - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 37m1 stop Los Angeles

$922United Airlines

Thu, Nov 26 - Tue, Jan 12

10:40 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

42h 25m1 stop Los Angeles

5:37 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 53m1 stop Los Angeles

$922Delta

Thu, Nov 26 - Mon, Dec 7

10:40 am - 12:59 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 19m1 stop Los Angeles

2:40 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 50m1 stop Los Angeles

$922Delta

Wed, Jan 20 - Sun, Jan 31

11:20 am - 11:14 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 54m1 stop Los Angeles

7:00 am - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 05m1 stop Los Angeles

$922United Airlines

Wed, Nov 25 - Tue, Jan 12

9:15 am - 7:17 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 02m1 stop Houston George Bush Intcntl

5:00 am - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 05m2 stops Denver Intl Los Angeles

$922United Airlines

Wed, Nov 25 - Tue, Jan 12

10:40 am - 2:26 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 46m1 stop Los Angeles

9:25 am - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 05m2 stops Salt Lake City Los Angeles

$922Delta

Wed, Jan 20 - Sun, Jan 31

11:20 am - 9:30 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 10m1 stop Vancouver Intl

10:10 am - 8:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 10m1 stop Vancouver Intl

$1,132Air Canada

Thu, Mar 4 - Thu, Apr 1

8:30 am - 9:30 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 00m2 stops Brisbane Vancouver Intl

8:40 am - 8:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 40m1 stop Vancouver Intl

$1,146Air Canada

Thu, Mar 4 - Thu, Apr 1

9:00 am - 9:30 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 30m2 stops Brisbane Vancouver Intl

7:05 pm - 6:40 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 35m2 stops Vancouver Intl Brisbane

$1,167Air Canada

Thu, Mar 4 - Thu, Apr 1

Recent last minute flight deals from Australia to Washington

Enter your travel dates to find the best prices.

11:10 am - 11:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

31h 32m2 stops Los Angeles Dallas/Fort Worth

7:21 am - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 39m1 stop Los Angeles

$907British Airways

Mon, Nov 9 - Sun, Nov 22

11:10 am - 9:20 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 10m1 stop Los Angeles

7:21 am - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 39m1 stop Los Angeles

$912British Airways

Mon, Nov 9 - Sun, Nov 22

11:10 am - 9:03 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 53m2 stops Los Angeles San Francisco

1:38 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 22m1 stop Los Angeles

$920American Airlines

Mon, Nov 9 - Tue, Nov 24

10:40 am - 11:59 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

32h 19m2 stops Los Angeles Salt Lake City

5:35 am - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Salt Lake City Los Angeles

$923Delta

Mon, Nov 9 - Sun, Nov 22

11:50 am - 12:20 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 30m1 stop San Francisco

3:35 pm - 9:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 45m1 stop San Francisco

$925United Airlines

Mon, Nov 9 - Tue, Nov 24

11:20 am - 12:20 pmBNE Brisbane-SEA Seattle/Tacoma Intl

19h 00m1 stop San Francisco

5:05 am - 7:30 amSEA Seattle/Tacoma Intl-BNE Brisbane

56h 25m2 stops Denver Intl San Francisco

$934United Airlines

Sun, Nov 8 - Sun, Nov 15

11:20 am - 11:15 pmBNE Brisbane-SEA Seattle/Tacoma Intl

29h 55m2 stops San Francisco Denver Intl

11:59 pm - 7:30 amSEA Seattle/Tacoma Intl-BNE Brisbane

37h 31m2 stops Houston George Bush Intcntl San Francisco

$934United Airlines

Sun, Nov 8 - Sun, Nov 15

10:45 am - 8:57 pmBNE Brisbane-GEG Spokane

52h 12m2 stops Vancouver Intl San Francisco

1:10 pm - 8:45 amGEG Spokane-BNE Brisbane

25h 35m2 stops San Francisco Vancouver Intl

$1,404Air Canada

Thu, Nov 12 - Mon, Nov 16

10:45 am - 8:57 pmBNE Brisbane-GEG Spokane

52h 12m2 stops Vancouver Intl San Francisco

1:10 pm - 8:45 amGEG Spokane-BNE Brisbane

25h 35m2 stops San Francisco Vancouver Intl

$1,411Air Canada

Thu, Nov 12 - Mon, Nov 16

10:45 am - 8:57 pmBNE Brisbane-GEG Spokane

52h 12m2 stops Vancouver Intl San Francisco

1:10 pm - 8:45 amGEG Spokane-BNE Brisbane

25h 35m2 stops San Francisco Vancouver Intl

$1,415Air Canada

Thu, Nov 12 - Mon, Nov 16

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Delta flights from Australia to State of Washington

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

Delta

Nov 25

SYD10:40 amSydney Kingsford Smith

42h 25m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Dec 7

SEA5:37 pmSeattle/Tacoma Intl

19h 53m

1 stop

SYD8:30 amSydney Kingsford Smith

$922

Delta

Nov 9

SYD10:40 amSydney Kingsford Smith

32h 19m

2 stops

SEA11:59 pmSeattle/Tacoma Intl

Nov 22

SEA5:35 amSeattle/Tacoma Intl

31h 55m

2 stops

SYD8:30 amSydney Kingsford Smith

$923

Delta

Jan 24

BNE10:40 amBrisbane

29h 25m

1 stop

SEA10:05 pmSeattle/Tacoma Intl

Feb 8

SEA12:08 pmSeattle/Tacoma Intl

26h 22m

1 stop

BNE8:30 amBrisbane

$928

American Airlines flights from Australia to State of Washington

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

American Airlines

Nov 9

SYD11:10 amSydney Kingsford Smith

28h 53m

2 stops

SEA9:03 pmSeattle/Tacoma Intl

Nov 24

SEA1:38 pmSeattle/Tacoma Intl

24h 22m

1 stop

SYD9:00 amSydney Kingsford Smith

$920

American Airlines

Nov 25

SYD11:10 amSydney Kingsford Smith

46h 23m

1 stop

SEA2:33 pmSeattle/Tacoma Intl

Dec 6

SEA4:42 pmSeattle/Tacoma Intl

21h 18m

1 stop

SYD9:00 amSydney Kingsford Smith

$944

American Airlines

Nov 16

BNE9:40 amBrisbane

23h 11m

1 stop

SEA2:51 pmSeattle/Tacoma Intl

Dec 1

SEA11:32 amSeattle/Tacoma Intl

24h 58m

2 stops

BNE6:30 amBrisbane

$949

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 round-trip

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/26

11:20 am-11:34 am

1 stop19h 14m

Seattle/Tacoma Intl

Tue 1/12

8:30 am-9:05 am

2 stops29h 35m

$922

Quickest round-trip

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/26

9:10 am-1:25 pm

1 stop23h 15m

Seattle/Tacoma Intl

Tue 1/12

5:28 pm-9:05 am

1 stop20h 37m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/26

10:40 am-10:05 am

1 stop42h 25m

Seattle/Tacoma Intl

Mon 12/7

5:37 pm-8:30 am

1 stop19h 53m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 1/20

10:40 am-12:59 pm

1 stop21h 19m

Seattle/Tacoma Intl

Sun 1/31

2:40 pm-8:30 am

1 stop22h 50m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 11/25

11:20 am-11:14 am

1 stop18h 54m

Seattle/Tacoma Intl

Tue 1/12

7:00 am-9:05 am

1 stop31h 05m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 11/25

9:15 am-7:17 pm

1 stop29h 02m

Seattle/Tacoma Intl

Tue 1/12

5:00 am-9:05 am

2 stops33h 05m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 1/20

10:40 am-2:26 pm

1 stop22h 46m

Seattle/Tacoma Intl

Sun 1/31

9:25 am-8:30 am

2 stops28h 05m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 3/4

11:20 am-9:30 am

1 stop17h 10m

Seattle/Tacoma Intl

Thu 4/1

10:10 am-8:20 am

1 stop28h 10m

$1,132

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 3/4

8:30 am-9:30 am

2 stops20h 00m

Seattle/Tacoma Intl

Thu 4/1

8:40 am-8:20 am

1 stop29h 40m

$1,146

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 3/4

9:00 am-9:30 am

2 stops19h 30m

Seattle/Tacoma Intl

Thu 4/1

7:05 pm-6:40 pm

2 stops29h 35m

$1,167

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 $890. If you aren’t able to travel to State of Washington during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,013.

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 $1,115 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 $1,003 on momondo.

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

You could potentially save up to 5% 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	$464
Fastest flight time	18h 37m
Direct flights	None

The best one-way flight to State of Washington from Australia in the past 72 hours is $464. The best round-trip flight deal from Australia to State of Washington found on momondo in the last 72 hours is $922.

The fastest flight from Australia to State of Washington takes 18h 37m

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 2 operators available for flights from Australia to Washington as of November 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
United Airlines	PriceFrom $691	Free Cancellation	Rating 7.3 10,465 reviews		Search United Airlines flights
Air Canada	PriceFrom $752	Free Cancellation	Rating 7.1 11,863 reviews		Search Air Canada 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.