Cheap flights from Australia to Washington from $689

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Recent return flight deals from Australia to Washington

Enter your travel dates to find the best prices.
American Airlines Logo
12:00 - 17:49MEL-SEA
24h 49m1 stop
American Airlines Logo
07:51 - 05:00SEA-MEL
27h 09m1 stop
$1,205American Airlines
Find Deal
Sun, 8 Mar - Sat, 28 Mar
Air Canada Logo
07:00 - 09:33SYD-SEA
19h 33m2 stops
Air Canada Logo
05:40 - 07:20SEA-SYD
32h 40m1 stop
$1,206Air Canada
Find Deal
Thu, 30 Apr - Thu, 7 May
Qantas Airways Logo
12:00 - 12:29MEL-SEA
19h 29m1 stop
Qantas Airways Logo
15:57 - 09:30SEA-MEL
22h 33m1 stop
$1,213Qantas Airways
Find Deal
Fri, 23 Jan - Fri, 6 Feb
Qantas Airways Logo
12:10 - 18:20BNE-SEA
24h 10m1 stop
Qantas Airways Logo
06:00 - 05:45SEA-BNE
29h 45m1 stop
$1,214Qantas Airways
Find Deal
Tue, 9 Dec - Sun, 28 Dec
United Airlines Logo
11:30 - 18:14MEL-SEA
25h 44m2 stops
United Airlines Logo
10:58 - 09:30SEA-MEL
27h 32m2 stops
$1,220United Airlines
Find Deal
Sat, 17 Jan - Wed, 28 Jan
United Airlines Logo
13:00 - 08:23MEL-SEA
38h 23m1 stop
United Airlines Logo
05:02 - 09:30SEA-MEL
33h 28m2 stops
$1,222United Airlines
Find Deal
Thu, 18 Dec - Wed, 31 Dec
Singapore Airlines Logo
00:35 - 07:10MEL-SEA
25h 35m1 stop
Singapore Airlines Logo
09:45 - 08:25SEA-MEL
28h 40m1 stop
$1,507Singapore Airlines
Find Deal
Sat, 7 Mar - Sat, 28 Mar
Virgin Australia Logo
07:00 - 18:45MEL-SEA
30h 45m2 stops
Virgin Australia Logo
13:35 - 13:15SEA-MEL
28h 40m2 stops
$1,656Virgin Australia
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Singapore Airlines Logo
06:40 - 07:10PER-SEA
64h 30m1 stop
Singapore Airlines Logo
08:45 - 12:35SEA-PER
35h 50m1 stop
$1,705Singapore Airlines
Find Deal
Tue, 17 Feb - Sat, 28 Feb
Virgin Australia Logo
14:55 - 14:46ADL-PDX
18h 21m1 stop
Virgin Australia Logo
15:46 - 14:10PDX-ADL
27h 54m2 stops
$1,860Virgin Australia
Find Deal
Sat, 17 Jan - Tue, 27 Jan

Qantas Airways flights from Australia to State of Washington

Our best Qantas Airways deals on Australia to State of Washington flight tickets
Qantas Airways
23 Jan
MEL12:00Melbourne
19h 29m
1 stop
SEA12:29Seattle/Tacoma Intl
6 Feb
SEA15:57Seattle/Tacoma Intl
22h 33m
1 stop
MEL09:30Melbourne
Qantas Airways
9 Dec
BNE12:10Brisbane
24h 10m
1 stop
SEA18:20Seattle/Tacoma Intl
28 Dec
SEA06:00Seattle/Tacoma Intl
29h 45m
1 stop
BNE05:45Brisbane
Qantas Airways
11 Mar
BNE19:40Brisbane
18h 21m
1 stop
SEA21:01Seattle/Tacoma Intl
15 Mar
SEA06:10Seattle/Tacoma Intl
29h 50m
1 stop
BNE05:00Brisbane

Delta flights from Australia to State of Washington

Our best Delta deals on Australia to State of Washington flight tickets
Delta
15 Feb
MEL10:10Melbourne
27h 33m
1 stop
SEA18:43Seattle/Tacoma Intl
20 May
SEA07:20Seattle/Tacoma Intl
31h 20m
1 stop
MEL07:40Melbourne
Delta
10 Dec
BNE11:05Brisbane
30h 20m
2 stops
SEA23:25Seattle/Tacoma Intl
24 Dec
SEA17:59Seattle/Tacoma Intl
20h 21m
1 stop
BNE08:20Brisbane
Delta
16 Nov
BNE10:40Brisbane
25h 59m
2 stops
SEA18:39Seattle/Tacoma Intl
20 Nov
SEA19:12Seattle/Tacoma Intl
43h 08m
2 stops
BNE08:20Brisbane

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 6 November 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

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 8/3

12:00-17:49

1 stop24h 49m

Seattle/Tacoma Intl

Sat 28/3

07:51-05:00

1 stop27h 09m

$1,205

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 30/4

07:00-09:33

2 stops19h 33m

Seattle/Tacoma Intl

Thu 7/5

05:40-07:20

1 stop32h 40m

$1,206

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 23/1

12:00-12:29

1 stop19h 29m

Seattle/Tacoma Intl

Fri 6/2

15:57-09:30

1 stop22h 33m

$1,213

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 9/12

12:10-18:20

1 stop24h 10m

Seattle/Tacoma Intl

Sun 28/12

06:00-05:45

1 stop29h 45m

$1,214

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 17/1

11:30-18:14

2 stops25h 44m

Seattle/Tacoma Intl

Wed 28/1

10:58-09:30

2 stops27h 32m

$1,220

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 18/12

13:00-08:23

1 stop38h 23m

Seattle/Tacoma Intl

Wed 31/12

05:02-09:30

2 stops33h 28m

$1,222

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 7/3

00:35-07:10

1 stop25h 35m

Seattle/Tacoma Intl

Sat 28/3

09:45-08:25

1 stop28h 40m

$1,507

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 21/12

07:00-18:45

2 stops30h 45m

Seattle/Tacoma Intl

Sun 28/12

13:35-13:15

2 stops28h 40m

$1,656

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 17/2

06:40-07:10

1 stop64h 30m

Seattle/Tacoma Intl

Sat 28/2

08:45-12:35

1 stop35h 50m

$1,705

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sat 17/1

14:55-14:46

1 stop18h 21m

Portland

Tue 27/1

15:46-14:10

2 stops27h 54m

$1,860

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August is, on average, the cheapest month to fly to State of Washington from Australia, with most prices found around $1,403. 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 $1,500.

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 $1,583. 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 $1,820.

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 $1,508. 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 $1,841.

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 $1,680 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 $1,376 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

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.
  • 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
Air New ZealandPriceFrom $943Free cancellationRating
8.0
526 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,001Free cancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,014Free cancellationRating
7.4
9,003 reviews
Search United Airlines flights
Virgin AustraliaPriceFrom $1,156Free cancellationRating
7.6
424 reviews
Search Virgin Australia flights
Alaska AirlinesPriceFrom $1,160Free cancellationRating
8.0
11,242 reviews
Search Alaska Airlines flights
DeltaPriceFrom $1,168Free cancellationRating
7.9
8,001 reviews
Search Delta flights
Air CanadaPriceFrom $1,176Free cancellationRating
7.1
10,412 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,221Free cancellationRating
7.5
929 reviews
Search Qantas Airways flights
Hawaiian AirlinesPriceFrom $1,249Free cancellationRating
7.8
2,804 reviews
Search Hawaiian Airlines flights
Philippine AirlinesPriceFrom $1,269Free cancellationRating
7.3
932 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.

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Sat 6/12
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