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

United Airlines, Delta, and Air Canada are the most popular carriers operating from Australia to Washington

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 14 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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 Brisbane to Seattle takes 16h 50m on average. On the other hand, flying from Sydney to Seattle takes 17h 32m 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.

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 May 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.

$772 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.

10:00 - 10:07

BNE

SEA

17h 07m

1 stop

10:45 - 07:05

SEA

BNE

27h 20m

1 stop

$1,196Air Canada

Wed, 22 Jul - Wed, 12 Aug

10:00 - 18:32

BNE

SEA

25h 32m

1 stop

19:20 - 07:05

SEA

BNE

18h 45m

1 stop

$1,202Air Canada

Mon, 12 Oct - Tue, 20 Oct

10:55 - 08:00

MEL

SEA

38h 05m

2 stops

10:29 - 08:15

SEA

MEL

28h 46m

1 stop

$1,295United Airlines

Wed, 10 Jun - Sat, 4 Jul

10:55 - 17:59

MEL

SEA

24h 04m

2 stops

10:29 - 08:15

SEA

MEL

28h 46m

1 stop

$1,297United Airlines

Tue, 9 Jun - Sat, 27 Jun

09:10 - 16:38

SYD

PDX

24h 28m

2 stops

13:38 - 07:05

PDX

SYD

24h 27m

2 stops

$1,409American Airlines

Mon, 3 Aug - Tue, 11 Aug

09:45 - 20:48

MEL

PDX

28h 03m

1 stop

17:38 - 06:45

PDX

MEL

20h 07m

1 stop

$1,497Qantas Airways

Sat, 15 Aug - Fri, 25 Sep

09:45 - 22:36

MEL

PDX

29h 51m

1 stop

17:38 - 06:45

PDX

MEL

20h 07m

1 stop

$1,566Qantas Airways

Wed, 15 Jul - Fri, 25 Sep

06:00 - 10:11

MEL

PDX

21h 11m

2 stops

19:15 - 11:20

PDX

MEL

23h 05m

2 stops

$1,708Virgin Australia

Sat, 15 Aug - Fri, 25 Sep

12:00 - 20:55

MEL

GEG

27h 55m

1 stop

15:05 - 09:30

GEG

MEL

47h 25m

2 stops

$1,716American Airlines

Tue, 10 Nov - Sat, 14 Nov

06:05 - 19:03

ADL

SEA

29h 28m

2 stops

17:04 - 15:45

SEA

ADL

30h 11m

2 stops

$1,786Virgin Australia

Wed, 1 Jul - Mon, 27 Jul

American Airlines flights from Australia to State of Washington

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

American Airlines

20 Aug

SYD09:10Sydney Kingsford Smith

24h 22m

1 stop

SEA16:32Seattle/Tacoma Intl

8 Sept

SEA10:15Seattle/Tacoma Intl

27h 40m

1 stop

SYD06:55Sydney Kingsford Smith

$1,390

American Airlines

8 June

SYD09:10Sydney Kingsford Smith

27h 05m

2 stops

SEA19:15Seattle/Tacoma Intl

28 June

SEA07:00Seattle/Tacoma Intl

31h 30m

1 stop

SYD07:30Sydney Kingsford Smith

$1,394

American Airlines

3 June

SYD09:10Sydney Kingsford Smith

21h 47m

1 stop

SEA13:57Seattle/Tacoma Intl

28 June

SEA14:40Seattle/Tacoma Intl

23h 50m

1 stop

SYD07:30Sydney Kingsford Smith

$1,407

Qatar Airways flights from Australia to State of Washington

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

Qatar Airways

13 June

MEL22:45Melbourne

33h 00m

1 stop

SEA14:45Seattle/Tacoma Intl

3 July

SEA16:25Seattle/Tacoma Intl

31h 25m

1 stop

MEL16:50Melbourne

$1,860

Qatar Airways

13 June

MEL22:45Melbourne

33h 00m

1 stop

SEA14:45Seattle/Tacoma Intl

30 June

SEA16:25Seattle/Tacoma Intl

36h 40m

1 stop

MEL22:05Melbourne

$1,897

Qatar Airways

13 June

MEL22:45Melbourne

33h 00m

1 stop

SEA14:45Seattle/Tacoma Intl

1 July

SEA16:25Seattle/Tacoma Intl

31h 25m

1 stop

MEL16:50Melbourne

$1,911

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 22/7

10:00-10:07

1 stop17h 07m

Seattle/Tacoma Intl

Wed 12/8

10:45-07:05

1 stop27h 20m

$1,196

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 12/10

10:00-18:32

1 stop25h 32m

Seattle/Tacoma Intl

Tue 20/10

19:20-07:05

1 stop18h 45m

$1,202

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 10/6

10:55-08:00

2 stops38h 05m

Seattle/Tacoma Intl

Sat 4/7

10:29-08:15

1 stop28h 46m

$1,295

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 9/6

10:55-17:59

2 stops24h 04m

Seattle/Tacoma Intl

Sat 27/6

10:29-08:15

1 stop28h 46m

$1,297

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 3/8

09:10-16:38

2 stops24h 28m

Portland

Tue 11/8

13:38-07:05

2 stops24h 27m

$1,409

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 15/8

09:45-20:48

1 stop28h 03m

Portland

Fri 25/9

17:38-06:45

1 stop20h 07m

$1,497

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 15/7

09:45-22:36

1 stop29h 51m

Portland

Fri 25/9

17:38-06:45

1 stop20h 07m

$1,566

Fastest return journey

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 15/8

06:00-10:11

2 stops21h 11m

Portland

Fri 25/9

19:15-11:20

2 stops23h 05m

$1,708

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Tue 10/11

12:00-20:55

1 stop27h 55m

Spokane

Sat 14/11

15:05-09:30

2 stops47h 25m

$1,716

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 1/7

06:05-19:03

2 stops29h 28m

Seattle/Tacoma Intl

Mon 27/7

17:04-15:45

2 stops30h 11m

$1,786

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 December is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $595. If you aren’t able to travel during the month of December, 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 December, still average around $601.

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 $1,435 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 $965 on momondo.

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

You could potentially save up to 31% 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 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 May 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 $677	Free cancellation	Rating 7.9 8,421 reviews	Search Delta flights
Air Canada	PriceFrom $918	Free cancellation	Rating 7.1 11,102 reviews	Search Air Canada flights
United Airlines	PriceFrom $935	Free cancellation	Rating 7.4 9,766 reviews	Search United Airlines flights
American Airlines	PriceFrom $943	Free cancellation	Rating 7.1 11,642 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $1,024	Free cancellation	Rating 7.8 2,834 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $1,049	Free cancellation	Rating 7.5 1,042 reviews	Search Qantas Airways flights
Alaska Airlines	PriceFrom $1,050	Free cancellation	Rating 7.9 12,434 reviews	Search Alaska Airlines flights
EVA Air	PriceFrom $1,111	Free cancellation	Rating 8.5 1,462 reviews	Search EVA Air flights
Virgin Australia	PriceFrom $1,114	Free cancellation	Rating 7.6 458 reviews	Search Virgin Australia flights
Air New Zealand	PriceFrom $1,154	Free cancellation	Rating 8.0 648 reviews	Search Air New Zealand 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.