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

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

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

Flight times vary depending on what airport in Australia you fly out of and what airport in State of Washington you fly into. For example, flying from Melbourne to Seattle takes 19h 29m on average. On the other hand, flying from Sydney to Seattle takes 20h 49m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Which airlines fly to State of Washington?

United Airlines, Air Canada and Qantas Airways 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 41% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 15 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 are updated daily.

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

The number of operators available for flights from Australia to Washington is 15 as of December 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 stopovers. 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 required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$632 Cheap Flights from Australia to Washington in 2025/26

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10:45 - 09:15

BNE

SEA

16h 30m1 stop

15:40 - 08:45

SEA

BNE

23h 05m1 stop

$1,000Air Canada

Mon, 9 Feb - Mon, 16 Feb

10:45 - 14:31

BNE

SEA

21h 46m1 stop

09:55 - 08:45

SEA

BNE

28h 50m1 stop

$1,002Air Canada

Wed, 11 Feb - Wed, 18 Feb

10:45 - 19:16

BNE

SEA

26h 31m1 stop

20:00 - 08:45

SEA

BNE

18h 45m1 stop

$1,003Air Canada

Sun, 25 Jan - Sun, 1 Feb

10:55 - 21:14

MEL

PDX

27h 19m2 stops

17:35 - 08:15

PDX

MEL

21h 40m1 stop

$1,316United Airlines

Tue, 21 Apr - Wed, 29 Apr

13:00 - 21:12

MEL

PDX

27h 12m2 stops

10:56 - 09:30

PDX

MEL

27h 34m2 stops

$1,317United Airlines

Sun, 18 Jan - Mon, 23 Feb

21:40 - 05:23

SYD

SEA

25h 43m1 stop

07:00 - 19:45

SEA

SYD

18h 45m1 stop

$1,377Hawaiian Airlines

Sun, 8 Mar - Mon, 16 Mar

15:15 - 08:45

CBR

SEA

58h 30m2 stops

10:15 - 22:25

SEA

CBR

43h 10m2 stops

$2,476Singapore Airlines

Sun, 21 Jun - Sun, 12 Jul

08:10 - 08:45

CBR

SEA

41h 35m2 stops

10:15 - 22:25

SEA

CBR

43h 10m2 stops

$2,582Singapore Airlines

Fri, 19 Jun - Tue, 14 Jul

06:30 - 20:52

LST

SEA

33h 22m2 stops

17:53 - 13:00

SEA

LST

24h 07m2 stops

$2,710Qantas Airways

Thu, 5 Feb - Mon, 9 Feb

08:50 - 17:52

LST

SEA

28h 02m2 stops

15:57 - 16:35

SEA

LST

29h 38m2 stops

$2,732Qantas Airways

Thu, 5 Feb - Mon, 9 Feb

Hawaiian Airlines flights from Australia to State of Washington

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

Hawaiian Airlines

8 Mar

SYD21:40Sydney Kingsford Smith

25h 43m

1 stop

SEA05:23Seattle/Tacoma Intl

16 Mar

SEA07:00Seattle/Tacoma Intl

18h 45m

1 stop

SYD19:45Sydney Kingsford Smith

$1,377

Find similar

Hawaiian Airlines

6 Feb

SYD21:40Sydney Kingsford Smith

18h 22m

1 stop

SEA21:02Seattle/Tacoma Intl

22 Feb

SEA17:50Seattle/Tacoma Intl

30h 55m

1 stop

SYD19:45Sydney Kingsford Smith

$1,406

Find similar

Hawaiian Airlines

5 Feb

SYD21:40Sydney Kingsford Smith

18h 10m

1 stop

PDX20:50Portland

20 Feb

PDX10:30Portland

38h 15m

1 stop

SYD19:45Sydney Kingsford Smith

$1,496

Find similar

Qantas Airways flights from Australia to State of Washington

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

Qantas Airways

16 Feb

SYD11:20Sydney Kingsford Smith

26h 33m

1 stop

SEA18:53Seattle/Tacoma Intl

12 Mar

SEA19:05Seattle/Tacoma Intl

19h 55m

1 stop

SYD09:00Sydney Kingsford Smith

$1,545

Find similar

Qantas Airways

29 Dec

BNE06:40Brisbane

30h 03m

2 stops

SEA18:43Seattle/Tacoma Intl

8 Jan

SEA06:00Seattle/Tacoma Intl

42h 00m

2 stops

BNE18:00Brisbane

$3,003

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 9/2

10:45-09:15

1 stop16h 30m

Seattle/Tacoma Intl

Mon 16/2

15:40-08:45

1 stop23h 05m

$1,000

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 11/2

10:45-14:31

1 stop21h 46m

Seattle/Tacoma Intl

Wed 18/2

09:55-08:45

1 stop28h 50m

$1,002

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 25/1

10:45-19:16

1 stop26h 31m

Seattle/Tacoma Intl

Sun 1/2

20:00-08:45

1 stop18h 45m

$1,003

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Tue 21/4

10:55-21:14

2 stops27h 19m

Portland

Wed 29/4

17:35-08:15

1 stop21h 40m

$1,316

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sun 18/1

13:00-21:12

2 stops27h 12m

Portland

Mon 23/2

10:56-09:30

2 stops27h 34m

$1,317

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 8/3

21:40-05:23

1 stop25h 43m

Seattle/Tacoma Intl

Mon 16/3

07:00-19:45

1 stop18h 45m

$1,377

CanberraSeattle

CBR - SEA

CBRSEA

Canberra

Sun 21/6

15:15-08:45

2 stops58h 30m

Seattle/Tacoma Intl

Sun 12/7

10:15-22:25

2 stops43h 10m

$2,476

CanberraSeattle

CBR - SEA

CBRSEA

Canberra

Fri 19/6

08:10-08:45

2 stops41h 35m

Seattle/Tacoma Intl

Tue 14/7

10:15-22:25

2 stops43h 10m

$2,582

LauncestonSeattle

LST - SEA

LSTSEA

Launceston

Thu 5/2

06:30-20:52

2 stops33h 22m

Seattle/Tacoma Intl

Mon 9/2

17:53-13:00

2 stops24h 07m

$2,710

LauncestonSeattle

LST - SEA

LSTSEA

Launceston

Thu 5/2

08:50-17:52

2 stops28h 02m

Seattle/Tacoma Intl

Mon 9/2

15:57-16:35

2 stops29h 38m

$2,732

Flights are sorted by cheapest return 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 August is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $1,351. If you aren’t able to travel during the month of August, then book flights to State of Washington from Australia during September instead. Flights to State of Washington in September, while not as cheap as those in August, still average around $1,417.

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

At midday is the cheapest time of day to fly from Australia to State of Washington when you can find flight prices for as low as $1,459. Flying to State of Washington at midday is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $1,780.

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 $1,611 when searching weeks before you fly. 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 $1,353 on momondo.

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

You could potentially save up to 9% 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 55m
Direct flights	None

The fastest flight from Australia to State of Washington takes 16h 55m

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 are updated daily.
How many operators does momondo search for flights from Australia to Washington?
The number of operators available for flights from Australia to Washington is 15 as of December 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 stopovers. 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 required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 New Zealand	PriceFrom $912	Free cancellation	Rating 8.0 562 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $968	Free cancellation	Rating 7.2 11,071 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,019	Free cancellation	Rating 7.1 10,563 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,118	Free cancellation	Rating 7.6 430 reviews	Search Virgin Australia flights
Qantas Airways	PriceFrom $1,120	Free cancellation	Rating 7.5 957 reviews	Search Qantas Airways flights
Alaska Airlines	PriceFrom $1,121	Free cancellation	Rating 8.0 11,560 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,122	Free cancellation	Rating 7.4 9,119 reviews	Search United Airlines flights
Delta	PriceFrom $1,129	Free cancellation	Rating 7.9 8,013 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $1,219	Free cancellation	Rating 7.8 2,821 reviews	Search Hawaiian Airlines flights
Philippine Airlines	PriceFrom $1,231	Free cancellation	Rating 7.3 945 reviews	Search Philippine Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Australia.

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?

Yes. momondo can track prices for Australia to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organise 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 $632

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 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Filter for what you want

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Recent return flight deals from Australia to Washington

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Recent last minute flight deals from Australia to Washington

Hawaiian Airlines flights from Australia to State of Washington

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

Qantas Airways flights from Australia to State of Washington

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

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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

What is the cheapest month to fly 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 9% 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, Delta, and Qantas Airways are the most popular carriers operating from Australia to Washington

Which airlines fly to State of Washington?

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

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

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, organise 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