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

Air Canada, Qantas Airways, and American Airlines 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 Brisbane, and flying into State of Washington, then you can expect flight times to average 17h 35m and 17h 50m, 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 5 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 5 operators available for flights from Australia to Washington as of September 2025.

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.

$433 Cheap Flights from Australia to Washington in 2025/26

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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

10:20 am - 9:21 amSYD-SEA

17h 01m1 stop

3:40 pm - 8:35 amSEA-SYD

22h 55m1 stop

$763Air Canada

Find Deal

Fri, Oct 17 - Sun, Oct 26

10:20 am - 9:21 amSYD-SEA

17h 01m1 stop

8:00 pm - 2:40 pmSEA-SYD

24h 40m2 stops

$776Multiple Airlines

Find Deal

Fri, Oct 17 - Sun, Oct 26

9:40 pm - 11:59 pmSYD-SEA

20h 19m1 stop

7:44 am - 7:45 pmSEA-SYD

18h 01m1 stop

$809Hawaiian Airlines

Find Deal

Thu, Oct 16 - Fri, Oct 17

10:40 am - 5:32 pmBNE-SEA

23h 52m2 stops

5:00 pm - 8:20 amSEA-BNE

45h 20m2 stops

$810Delta

Find Deal

Sun, Nov 2 - Sun, Nov 9

9:40 pm - 8:15 pmSYD-SEA

17h 35m1 stop

7:20 am - 7:45 pmSEA-SYD

17h 25m1 stop

$813Hawaiian Airlines

Find Deal

Mon, Jan 26 - Thu, Feb 19

10:40 am - 5:00 pmBNE-SEA

24h 20m2 stops

11:25 am - 8:20 amSEA-BNE

26h 55m2 stops

$815Delta

Find Deal

Fri, Feb 13 - Fri, Feb 20

12:00 pm - 11:15 pmMEL-SEA

29h 15m1 stop

12:41 pm - 9:30 amSEA-MEL

25h 49m1 stop

$839United Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

11:20 am - 12:02 pmSYD-SEA

18h 42m1 stop

5:07 pm - 9:05 amSEA-SYD

21h 58m1 stop

$841United Airlines

Find Deal

Fri, Oct 10 - Sun, Oct 26

5:40 am - 7:10 amPER-SEA

64h 30m1 stop

8:45 am - 5:25 amSEA-PER

28h 40m1 stop

$1,227Singapore Airlines

Find Deal

Sun, Nov 2 - Sun, Nov 9

6:05 pm - 8:45 amBNE-SEA

31h 40m1 stop

10:15 am - 7:15 amSEA-BNE

28h 00m1 stop

$1,259Singapore Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

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 17

SYD10:20 amSydney Kingsford Smith

17h 01m

1 stop

SEA9:21 amSeattle/Tacoma Intl

Oct 26

SEA3:40 pmSeattle/Tacoma Intl

22h 55m

1 stop

SYD8:35 amSydney Kingsford Smith

$763

Find similar

Air Canada

Oct 10

SYD10:20 amSydney Kingsford Smith

30h 41m

1 stop

PDX11:01 pmPortland

Oct 26

PDX6:15 amPortland

32h 20m

1 stop

SYD8:35 amSydney Kingsford Smith

$781

Find similar

Air Canada

Oct 10

SYD7:30 amSydney Kingsford Smith

19h 51m

2 stops

SEA9:21 amSeattle/Tacoma Intl

Oct 26

SEA5:50 amSeattle/Tacoma Intl

32h 45m

1 stop

SYD8:35 amSydney Kingsford Smith

$791

Find similar

Alaska Airlines flights from Australia to State of Washington

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

Alaska Airlines

Nov 1

SYD9:40 pmSydney Kingsford Smith

26h 55m

1 stop

SEA6:35 amSeattle/Tacoma Intl

Nov 8

SEA7:00 amSeattle/Tacoma Intl

17h 45m

1 stop

SYD7:45 pmSydney Kingsford Smith

$837

Find similar

Alaska Airlines

Sep 21

SYD9:40 pmSydney Kingsford Smith

18h 00m

1 stop

PDX10:40 pmPortland

Sep 22

PDX7:40 amPortland

19h 05m

1 stop

SYD7:45 pmSydney Kingsford Smith

$838

Find similar

Alaska Airlines

Nov 7

SYD9:40 pmSydney Kingsford Smith

20h 41m

1 stop

SEA11:21 pmSeattle/Tacoma Intl

Nov 11

SEA3:55 pmSeattle/Tacoma Intl

32h 50m

1 stop

SYD7:45 pmSydney Kingsford Smith

$842

Find similar

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

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 10/17

10:20 am-9:21 am

1 stop17h 01m

Seattle/Tacoma Intl

Sun 10/26

3:40 pm-8:35 am

1 stop22h 55m

$763

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 10/17

10:20 am-9:21 am

1 stop17h 01m

Seattle/Tacoma Intl

Sun 10/26

8:00 pm-2:40 pm

2 stops24h 40m

$776

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/16

9:40 pm-11:59 pm

1 stop20h 19m

Seattle/Tacoma Intl

Fri 10/17

7:44 am-7:45 pm

1 stop18h 01m

$809

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 11/2

10:40 am-5:32 pm

2 stops23h 52m

Seattle/Tacoma Intl

Sun 11/9

5:00 pm-8:20 am

2 stops45h 20m

$810

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 1/26

9:40 pm-8:15 pm

1 stop17h 35m

Seattle/Tacoma Intl

Thu 2/19

7:20 am-7:45 pm

1 stop17h 25m

$813

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 2/13

10:40 am-5:00 pm

2 stops24h 20m

Seattle/Tacoma Intl

Fri 2/20

11:25 am-8:20 am

2 stops26h 55m

$815

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 10/31

12:00 pm-11:15 pm

1 stop29h 15m

Seattle/Tacoma Intl

Fri 11/7

12:41 pm-9:30 am

1 stop25h 49m

$839

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 10/10

11:20 am-12:02 pm

1 stop18h 42m

Seattle/Tacoma Intl

Sun 10/26

5:07 pm-9:05 am

1 stop21h 58m

$841

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 11/2

5:40 am-7:10 am

1 stop64h 30m

Seattle/Tacoma Intl

Sun 11/9

8:45 am-5:25 am

1 stop28h 40m

$1,227

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 10/18

6:05 pm-8:45 am

1 stop31h 40m

Seattle/Tacoma Intl

Sat 10/25

10:15 am-7:15 am

1 stop28h 00m

$1,259

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

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Other information

What is the cheapest month to fly to State of Washington?

The month of August is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $942. If you aren’t able to travel to State of Washington during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $987.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Australia to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $1,069. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Australia to State of Washington for around $1,337.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $1,213. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,679 on average. Flights to State of Washington from Australia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,106 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 $894 on momondo.

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

You could potentially save up to 19% 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

Direct flights	None

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

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 5 operators available for flights from Australia to Washington as of September 2025.
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 $598	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom $794	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $802	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $917	Free Cancellation	Rating 7.8 2,732 reviews	Search Hawaiian Airlines flights
Singapore Airlines	PriceFrom $1,070	Free Cancellation	Rating 8.1 1,369 reviews	Search Singapore 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.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Washington

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Cheap flights from Australia to Washington from $433

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Washington departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

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Filter for what you want

Filter for what you want

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Find the cheapest flights from Australia to Washington

Recent round-trip flight deals from Australia to Washington

Recent one-way flight deals from Australia to Washington

Recent last minute flight deals from Australia to Washington

Air Canada flights from Australia to State of Washington

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

Alaska Airlines flights from Australia to State of Washington

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

momondo Fare Finder

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

See travel insights to Washington from

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

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

How far in advance should I book a flight to State of Washington?

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

You could potentially save up to 19% on your flight if you consider stops on a Australia to State of Washington flight.

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

Air Canada, Qantas Airways, and American Airlines are the most popular carriers operating from Australia to Washington

What airlines fly to State of 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 Brisbane, and flying into State of Washington, then you can expect flight times to average 17h 35m and 17h 50m, respectively.

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

Direct flights

When did momondo last update prices for flights from Australia to Washington?

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

How old do you have to be to fly from Australia to Washington?

What documentation or ID do you need to fly to Washington?

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

Why use momondo?

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

Can I find flights from Australia to Washington with flexible booking policies on momondo?

How can momondo help me find flights from Australia to Washington?

I’m not ready to book a flight from Australia to Washington right now. Can momondo alert me if prices change?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo