Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Australia to Washington from $413

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 10/15. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.
Search flight deals

Find the cheapest flights from Australia to Washington

Recent round-trip flight deals from Australia to Washington

Air Canada Logo
10:20 am - 2:16 pmSYD-SEA
21h 56m1 stop
Air Canada Logo
10:05 am - 9:35 amSEA-SYD
28h 30m1 stop
$791Air Canada
Find Deal
Tue, Oct 14 - Tue, Nov 11
Air Canada Logo
9:20 am - 9:22 amSYD-SEA
17h 02m1 stop
Air Canada Logo
7:15 pm - 7:20 amSEA-SYD
19h 05m1 stop
$795Air Canada
Find Deal
Thu, Sep 18 - Sun, Sep 21
United Airlines Logo
10:55 am - 12:43 pmMEL-PDX
18h 48m1 stop
United Airlines Logo
7:45 am - 8:15 amPDX-MEL
31h 30m1 stop
$824United Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
United Airlines Logo
10:20 am - 8:54 pmSYD-SEA
27h 34m1 stop
United Airlines Logo
7:37 pm - 7:55 amSEA-SYD
18h 18m1 stop
$830United Airlines
Find Deal
Sun, Sep 7 - Mon, Oct 13
Delta Logo
9:25 am - 6:24 pmSYD-SEA
25h 59m2 stops
Delta Logo
5:30 am - 6:35 amSEA-SYD
32h 05m2 stops
$838Delta
Find Deal
Fri, Sep 12 - Fri, Sep 19
Delta Logo
9:25 am - 6:57 pmSYD-PDX
26h 32m1 stop
Delta Logo
6:20 am - 6:35 amPDX-SYD
31h 15m1 stop
$838Delta
Find Deal
Fri, Sep 12 - Fri, Sep 19
Qantas Airways Logo
9:10 am - 9:36 pmSYD-SEA
29h 26m1 stop
Qantas Airways Logo
4:30 pm - 7:30 amSEA-SYD
21h 00m1 stop
$889Qantas Airways
Find Deal
Mon, Sep 8 - Thu, Oct 16
Qantas Airways Logo
5:45 pm - 9:36 pmSYD-SEA
20h 51m1 stop
Qantas Airways Logo
4:30 pm - 7:30 amSEA-SYD
21h 00m1 stop
$890Qantas Airways
Find Deal
Sat, Sep 6 - Thu, Oct 16
Hawaiian Airlines Logo
9:40 pm - 5:55 amSYD-PDX
25h 15m1 stop
Hawaiian Airlines Logo
7:30 am - 7:45 pmPDX-SYD
19h 15m1 stop
$924Hawaiian Airlines
Find Deal
Sun, Aug 10 - Fri, Aug 15
Hawaiian Airlines Logo
9:40 pm - 5:55 amSYD-PDX
25h 15m1 stop
Hawaiian Airlines Logo
7:30 am - 7:45 pmPDX-SYD
19h 15m1 stop
$928Hawaiian Airlines
Find Deal
Sun, Aug 10 - Fri, Aug 15

Asiana Airlines flights from Australia to State of Washington

Our best Asiana Airlines deals on Australia to State of Washington flight tickets
Asiana Airlines
Nov 20
SYD10:30 amSydney Kingsford Smith
22h 25m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Nov 27
SEA12:10 amSeattle/Tacoma Intl
37h 20m
1 stop
SYD8:30 amSydney Kingsford Smith
$910
Find similar
Asiana Airlines
Nov 20
SYD10:30 amSydney Kingsford Smith
22h 25m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Nov 27
SEA12:10 amSeattle/Tacoma Intl
37h 20m
1 stop
SYD8:30 amSydney Kingsford Smith
$914
Find similar
Asiana Airlines
Nov 20
SYD10:30 amSydney Kingsford Smith
22h 25m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Nov 27
SEA12:10 amSeattle/Tacoma Intl
37h 20m
1 stop
SYD8:30 amSydney Kingsford Smith
$918
Find similar

Air Canada flights from Australia to State of Washington

Our best Air Canada deals on Australia to State of Washington flight tickets
Air Canada
Oct 14
SYD10:20 amSydney Kingsford Smith
21h 56m
1 stop
SEA2:16 pmSeattle/Tacoma Intl
Nov 11
SEA10:05 amSeattle/Tacoma Intl
28h 30m
1 stop
SYD9:35 amSydney Kingsford Smith
$791
Find similar
Air Canada
Sep 18
SYD9:20 amSydney Kingsford Smith
17h 02m
1 stop
SEA9:22 amSeattle/Tacoma Intl
Sep 21
SEA7:15 pmSeattle/Tacoma Intl
19h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
$795
Find similar
Air Canada
Aug 26
SYD9:20 amSydney Kingsford Smith
17h 01m
1 stop
SEA9:21 amSeattle/Tacoma Intl
Aug 27
SEA10:00 amSeattle/Tacoma Intl
28h 20m
1 stop
SYD7:20 amSydney Kingsford Smith
$797
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 31, 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

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 10/14

10:20 am-2:16 pm

1 stop21h 56m

Seattle/Tacoma Intl

Tue 11/11

10:05 am-9:35 am

1 stop28h 30m

$791

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 9/18

9:20 am-9:22 am

1 stop17h 02m

Seattle/Tacoma Intl

Sun 9/21

7:15 pm-7:20 am

1 stop19h 05m

$795

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 9/6

10:55 am-12:43 pm

1 stop18h 48m

Portland

Sat 9/13

7:45 am-8:15 am

1 stop31h 30m

$824

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 9/7

10:20 am-8:54 pm

1 stop27h 34m

Seattle/Tacoma Intl

Mon 10/13

7:37 pm-7:55 am

1 stop18h 18m

$830

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 9/12

9:25 am-6:24 pm

2 stops25h 59m

Seattle/Tacoma Intl

Fri 9/19

5:30 am-6:35 am

2 stops32h 05m

$838

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 9/12

9:25 am-6:57 pm

1 stop26h 32m

Portland

Fri 9/19

6:20 am-6:35 am

1 stop31h 15m

$838

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 9/8

9:10 am-9:36 pm

1 stop29h 26m

Seattle/Tacoma Intl

Thu 10/16

4:30 pm-7:30 am

1 stop21h 00m

$889

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 9/6

5:45 pm-9:36 pm

1 stop20h 51m

Seattle/Tacoma Intl

Thu 10/16

4:30 pm-7:30 am

1 stop21h 00m

$890

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 8/10

9:40 pm-5:55 am

1 stop25h 15m

Portland

Fri 8/15

7:30 am-7:45 pm

1 stop19h 15m

$924

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 8/10

9:40 pm-5:55 am

1 stop25h 15m

Portland

Fri 8/15

7:30 am-7:45 pm

1 stop19h 15m

$928

Flights are sorted by cheapest round-trip 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 $971. If you aren’t able to travel to State of Washington during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,013.

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

The cheapest day to depart from Australia to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $1,069. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Australia to State of Washington for around $1,337.

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

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $1,213. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,679 on average. Flights to State of Washington from Australia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,110 when searching weeks out. 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 $953 on momondo.

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

You could potentially save up to 4% 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

$413

Fastest flight time

16h 02m

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 $413. The best round-trip flight deal from Australia to State of Washington found on momondo in the last 72 hours is $791.
The fastest flight from Australia to State of Washington takes 16h 02m
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)
Search flight deals

  • When did momondo last update prices for flights from Australia to Washington?

    Prices for flights from Australia to Washington were last updated today.

  • 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 layovers. 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 travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 CanadaPriceFrom $700Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $794Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $802Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $960Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights
Singapore AirlinesPriceFrom $1,070Free CancellationRating
8.1
1,338 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $1,214Free CancellationRating
7.5
887 reviews
Search Qantas Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Australia to Washington. momondo saves you time and could save you money on your trip.

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?

If you are not ready to book a flight from Australia to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $39
Flights to Los Angelesfrom $37
Flights to Miamifrom $58
Flights to Chicagofrom $59
Flights to Orlandofrom $54
Flights to Las Vegasfrom $35
Flights to San Franciscofrom $49
Flights to Washington, D.C.from $49
Flights to Bostonfrom $77
Flights to Atlantafrom $29
Flights to Dallasfrom $55
Flights to Seattlefrom $93