Cheap flights from Australia to Washington from $717

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 17/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Australia to Washington

Recent return flight deals from Australia to Washington

 Logo
10:20 - 20:50SYD-PDX
28h 30m2 stops
 Logo
10:40 - 09:35PDX-SYD
27h 55m2 stops
$1,149
Find Deal
Tue, 21 Oct - Tue, 18 Nov
Air Canada Logo
10:20 - 23:01SYD-PDX
30h 41m1 stop
Air Canada Logo
19:00 - 09:35PDX-SYD
19h 35m1 stop
$1,165Air Canada
Find Deal
Tue, 21 Oct - Tue, 18 Nov
United Airlines Logo
10:55 - 21:01MEL-PDX
27h 06m2 stops
United Airlines Logo
13:45 - 08:15PDX-MEL
25h 30m1 stop
$1,267United Airlines
Find Deal
Sat, 30 Aug - Sat, 6 Sep
United Airlines Logo
10:55 - 12:43MEL-PDX
18h 48m1 stop
United Airlines Logo
19:35 - 08:15PDX-MEL
19h 40m1 stop
$1,272United Airlines
Find Deal
Wed, 17 Sep - Wed, 24 Sep
Qantas Airways Logo
20:05 - 21:33BNE-SEA
18h 28m1 stop
Qantas Airways Logo
15:23 - 05:25SEA-BNE
21h 02m1 stop
$1,455Qantas Airways
Find Deal
Mon, 1 Sep - Mon, 22 Sep
Qantas Airways Logo
20:05 - 21:33BNE-SEA
18h 28m1 stop
Qantas Airways Logo
15:23 - 05:25SEA-BNE
21h 02m1 stop
$1,472Qantas Airways
Find Deal
Sun, 31 Aug - Wed, 24 Sep
Virgin Australia Logo
13:00 - 00:59MEL-SEA
30h 59m1 stop
Virgin Australia Logo
17:05 - 09:30SEA-MEL
21h 25m1 stop
$1,598Virgin Australia
Find Deal
Mon, 8 Dec - Sun, 28 Dec
Singapore Airlines Logo
00:35 - 08:45MEL-SEA
26h 10m1 stop
Singapore Airlines Logo
09:45 - 08:15SEA-MEL
52h 30m1 stop
$1,998Singapore Airlines
Find Deal
Thu, 16 Oct - Fri, 31 Oct
Virgin Australia Logo
06:05 - 22:37BNE-PDX
33h 32m2 stops
Virgin Australia Logo
15:50 - 06:30PDX-BNE
21h 40m1 stop
$2,052Virgin Australia
Find Deal
Mon, 15 Sep - Tue, 30 Sep
Singapore Airlines Logo
01:10 - 16:54PER-SEA
30h 44m2 stops
Singapore Airlines Logo
10:15 - 05:10SEA-PER
27h 55m1 stop
$2,336Singapore Airlines
Find Deal
Mon, 15 Sep - Tue, 23 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
1 Sept
BNE20:05Brisbane
18h 28m
1 stop
SEA21:33Seattle/Tacoma Intl
22 Sept
SEA15:23Seattle/Tacoma Intl
21h 02m
1 stop
BNE05:25Brisbane
Qantas Airways
31 Aug
BNE20:05Brisbane
18h 28m
1 stop
SEA21:33Seattle/Tacoma Intl
24 Sept
SEA15:23Seattle/Tacoma Intl
21h 02m
1 stop
BNE05:25Brisbane
Qantas Airways
31 Aug
BNE20:05Brisbane
18h 28m
1 stop
SEA21:33Seattle/Tacoma Intl
24 Sept
SEA15:23Seattle/Tacoma Intl
21h 02m
1 stop
BNE05:25Brisbane

Asiana Airlines flights from Australia to State of Washington

Our best Asiana Airlines deals on Australia to State of Washington flight tickets
Asiana Airlines
20 Nov
SYD10:30Sydney Kingsford Smith
22h 25m
1 stop
SEA13:55Seattle/Tacoma Intl
27 Nov
SEA00:10Seattle/Tacoma Intl
37h 20m
1 stop
SYD08:30Sydney Kingsford Smith
Asiana Airlines
10 Sept
SYD09:30Sydney Kingsford Smith
44h 00m
1 stop
SEA12:30Seattle/Tacoma Intl
9 Oct
SEA14:15Seattle/Tacoma Intl
24h 15m
1 stop
SYD08:30Sydney Kingsford Smith

momondo Fare Finder

 
Customise your flight search to find flights from Australia to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 4 August 2025.
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

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 21/10

10:20-20:50

2 stops28h 30m

Portland

Tue 18/11

10:40-09:35

2 stops27h 55m

$1,149

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 21/10

10:20-23:01

1 stop30h 41m

Portland

Tue 18/11

19:00-09:35

1 stop19h 35m

$1,165

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 30/8

10:55-21:01

2 stops27h 06m

Portland

Sat 6/9

13:45-08:15

1 stop25h 30m

$1,267

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 17/9

10:55-12:43

1 stop18h 48m

Portland

Wed 24/9

19:35-08:15

1 stop19h 40m

$1,272

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 1/9

20:05-21:33

1 stop18h 28m

Seattle/Tacoma Intl

Mon 22/9

15:23-05:25

1 stop21h 02m

$1,455

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 31/8

20:05-21:33

1 stop18h 28m

Seattle/Tacoma Intl

Wed 24/9

15:23-05:25

1 stop21h 02m

$1,472

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 8/12

13:00-00:59

1 stop30h 59m

Seattle/Tacoma Intl

Sun 28/12

17:05-09:30

1 stop21h 25m

$1,598

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 16/10

00:35-08:45

1 stop26h 10m

Seattle/Tacoma Intl

Fri 31/10

09:45-08:15

1 stop52h 30m

$1,998

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Mon 15/9

06:05-22:37

2 stops33h 32m

Portland

Tue 30/9

15:50-06:30

1 stop21h 40m

$2,052

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 15/9

01:10-16:54

2 stops30h 44m

Seattle/Tacoma Intl

Tue 23/9

10:15-05:10

1 stop27h 55m

$2,336

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The month of February is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $1,500. If you aren’t able to travel during the month of February, then book flights to State of Washington from Australia during October instead. Flights to State of Washington in October, while not as cheap as those in February, still average around $1,565.

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

The cheapest day to depart on your flight to State of Washington is on a Thursday when prices can be found for as low as $1,589. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is $1,827.

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 $1,514. 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 $1,848.

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 $1,706 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 $1,472 on momondo.

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

You could potentially save up to 2% 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

$717

Fastest flight time

16h 01m

Direct flights

None

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Australia in the past 72 hours is $717. The best return flight deal from Australia to State of Washington found on momondo in the last 72 hours is $1,149.
The fastest flight from Australia to State of Washington takes 16h 01m
There are no direct flights from Australia to State of Washington. Popular non-direct routes for this connection are Sydney Kingsford Smith Airport - Portland Airport, Sydney Kingsford Smith Airport - Seattle/Tacoma Intl Airport and Brisbane Airport - Seattle/Tacoma Intl Airport.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)

  • 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?

  • 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
Alaska AirlinesPriceFrom $354Free cancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Air New ZealandPriceFrom $947Free cancellationRating
7.9
501 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,005Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,018Free cancellationRating
7.4
8,909 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,181Free cancellationRating
7.1
9,874 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,225Free cancellationRating
7.5
887 reviews
Search Qantas Airways flights
Philippine AirlinesPriceFrom $1,274Free cancellationRating
7.2
895 reviews
Search Philippine Airlines flights
DeltaPriceFrom $1,329Free cancellationRating
8.0
7,986 reviews
Search Delta flights
EVA AirPriceFrom $1,331Free cancellationRating
8.4
1,222 reviews
Search EVA Air flights
Virgin AustraliaPriceFrom $1,350Free cancellationRating
7.5
411 reviews
Search Virgin Australia 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/8
Sat 16/8

Find better results for your trip to Washington