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

Air Canada, Alaska Airlines, and Delta 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 Sydney to Seattle takes 17h 57m on average. On the other hand, flying from Melbourne to Seattle takes 18h 30m 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 43% 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 16 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 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.

$580 Cheap Flights from Australia to Washington in 2026

1 adult

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Find the cheapest flights from Australia to Washington

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Washington

Enter your travel dates to find the best prices.

09:30 - 11:37

MEL

SEA

19h 07m

1 stop

08:38 - 08:15

SEA

MEL

30h 37m

1 stop

$1,284United Airlines

Sun, 26 Apr - Sat, 9 May

10:55 - 12:25

MEL

SEA

18h 30m

1 stop

13:21 - 08:15

SEA

MEL

25h 54m

1 stop

$1,291United Airlines

Thu, 7 May - Thu, 14 May

06:00 - 09:30

MEL

PDX

20h 30m

2 stops

15:30 - 11:35

PDX

MEL

27h 05m

2 stops

$1,332Air Canada

Thu, 28 May - Thu, 4 Jun

06:00 - 09:30

MEL

PDX

20h 30m

2 stops

15:30 - 11:05

PDX

MEL

26h 35m

2 stops

$1,406Air Canada

Fri, 8 May - Tue, 12 May

00:10 - 10:50

PER

SEA

25h 40m

2 stops

13:15 - 06:50

SEA

PER

26h 35m

2 stops

$1,706Japan Airlines

Sat, 8 Aug - Tue, 15 Sep

00:10 - 10:50

PER

SEA

25h 40m

2 stops

13:25 - 22:40

SEA

PER

42h 15m

2 stops

$1,853Japan Airlines

Wed, 22 Jul - Sun, 2 Aug

13:35 - 13:03

CBR

SEA

40h 28m

2 stops

17:28 - 10:10

SEA

CBR

23h 42m

2 stops

$1,995Qantas Airways

Tue, 26 May - Tue, 2 Jun

10:30 - 12:56

PER

SEA

41h 26m

2 stops

16:28 - 19:10

SEA

PER

35h 42m

2 stops

$2,022Qantas Airways

Mon, 18 May - Wed, 27 May

13:50 - 12:15

CBR

SEA

39h 25m

2 stops

17:31 - 13:05

SEA

CBR

50h 34m

2 stops

$2,876American Airlines

Mon, 31 Aug - Tue, 1 Sep

13:50 - 12:15

CBR

SEA

39h 25m

2 stops

17:31 - 13:05

SEA

CBR

50h 34m

2 stops

$2,877American Airlines

Mon, 31 Aug - Tue, 1 Sep

Qantas Airways flights from Australia to State of Washington

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

Qantas Airways

13 May

SYD09:10Sydney Kingsford Smith

30h 48m

1 stop

SEA22:58Seattle/Tacoma Intl

20 May

SEA10:00Seattle/Tacoma Intl

28h 05m

1 stop

SYD07:05Sydney Kingsford Smith

$1,505

Qantas Airways

25 May

SYD09:10Sydney Kingsford Smith

29h 39m

1 stop

SEA21:49Seattle/Tacoma Intl

1 June

SEA18:14Seattle/Tacoma Intl

19h 51m

1 stop

SYD07:05Sydney Kingsford Smith

$1,506

Qantas Airways

11 May

SYD17:50Sydney Kingsford Smith

19h 03m

1 stop

SEA19:53Seattle/Tacoma Intl

26 May

SEA17:28Seattle/Tacoma Intl

20h 37m

1 stop

SYD07:05Sydney Kingsford Smith

$1,518

Air Canada flights from Australia to State of Washington

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

Air Canada

28 May

MEL06:00Melbourne

20h 30m

2 stops

PDX09:30Portland

4 June

PDX15:30Portland

27h 05m

2 stops

MEL11:35Melbourne

$1,332

Air Canada

26 May

MEL06:00Melbourne

29h 30m

2 stops

SEA18:30Seattle/Tacoma Intl

2 June

SEA19:20Seattle/Tacoma Intl

22h 45m

2 stops

MEL11:05Melbourne

$1,334

Air Canada

18 May

MEL20:30Melbourne

30h 35m

2 stops

SEA10:05Seattle/Tacoma Intl

9 June

SEA19:20Seattle/Tacoma Intl

22h 45m

2 stops

MEL11:05Melbourne

$1,338

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 26/4

09:30-11:37

1 stop19h 07m

Seattle/Tacoma Intl

Sat 9/5

08:38-08:15

1 stop30h 37m

$1,284

Fastest return journey

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 7/5

10:55-12:25

1 stop18h 30m

Seattle/Tacoma Intl

Thu 14/5

13:21-08:15

1 stop25h 54m

$1,291

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Thu 28/5

06:00-09:30

2 stops20h 30m

Portland

Thu 4/6

15:30-11:35

2 stops27h 05m

$1,332

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Fri 8/5

06:00-09:30

2 stops20h 30m

Portland

Tue 12/5

15:30-11:05

2 stops26h 35m

$1,406

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 8/8

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Tue 15/9

13:15-06:50

2 stops26h 35m

$1,706

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 22/7

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Sun 2/8

13:25-22:40

2 stops42h 15m

$1,853

CanberraSeattle

CBR - SEA

CBRSEA

Canberra

Tue 26/5

13:35-13:03

2 stops40h 28m

Seattle/Tacoma Intl

Tue 2/6

17:28-10:10

2 stops23h 42m

$1,995

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 18/5

10:30-12:56

2 stops41h 26m

Seattle/Tacoma Intl

Wed 27/5

16:28-19:10

2 stops35h 42m

$2,022

CanberraSeattle

CBR - SEA

CBRSEA

Canberra

Mon 31/8

13:50-12:15

2 stops39h 25m

Seattle/Tacoma Intl

Tue 1/9

17:31-13:05

2 stops50h 34m

$2,876

CanberraSeattle

CBR - SEA

CBRSEA

Canberra

Mon 31/8

13:50-12:15

2 stops39h 25m

Seattle/Tacoma Intl

Tue 1/9

17:31-13:05

2 stops50h 34m

$2,877

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 September is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $1,240. If you aren’t able to travel during the month of September, then book flights to State of Washington from Australia during August instead. Flights to State of Washington in August, while not as cheap as those in September, still average around $1,252.

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 $1,480 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 $1,260 on momondo.

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

You could potentially save up to 16% 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	17h 03m
Direct flights	None

The fastest flight from Australia to State of Washington takes 17h 03m

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 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 16 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 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
Delta	PriceFrom $687	Free cancellation	Rating 7.9 8,406 reviews	Search Delta flights
Air Canada	PriceFrom $932	Free cancellation	Rating 7.1 10,922 reviews	Search Air Canada flights
United Airlines	PriceFrom $949	Free cancellation	Rating 7.4 9,582 reviews	Search United Airlines flights
American Airlines	PriceFrom $958	Free cancellation	Rating 7.1 11,572 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $967	Free cancellation	Rating 8.0 626 reviews	Search Air New Zealand flights
Virgin Australia	PriceFrom $1,064	Free cancellation	Rating 7.6 453 reviews	Search Virgin Australia flights
Qantas Airways	PriceFrom $1,066	Free cancellation	Rating 7.5 1,018 reviews	Search Qantas Airways flights
Alaska Airlines	PriceFrom $1,108	Free cancellation	Rating 7.9 12,232 reviews	Search Alaska Airlines flights
EVA Air	PriceFrom $1,129	Free cancellation	Rating 8.5 1,409 reviews	Search EVA Air flights
Hawaiian Airlines	PriceFrom $1,148	Free cancellation	Rating 7.8 2,838 reviews	Search Hawaiian 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.