HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$507+ Cheap flights from Australia to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Australia to Washington

Cheapest flights from Australia to Washington
Explore the most affordable flight options available from Australia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Qantas Airways deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1112:10 pmBNE - SEA
1 stop23h 18mQantas Airways
mar. 12/306:00 amSEA - BNE
1 stop29h 45mQantas Airways
Deal found 10/29$795
This Flighttix deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/38:40 amBNE - SEA
2 stops26h 28mBritish Airways
dom. 11/166:30 amSEA - BNE
2 stops28h 30mBritish Airways
Deal found 10/29$796
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/171:00 pmMEL - SEA
1 stop27h 00mUnited Airlines
lun. 12/295:00 amSEA - MEL
1 stop34h 00mUnited Airlines
Deal found 10/30$805
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/181:00 pmMEL - SEA
1 stop24h 45mUnited Airlines
lun. 12/297:12 pmSEA - MEL
1 stop19h 48mUnited Airlines
Deal found 10/29$808
This SmartFares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:30 amSYD - PDX
2 stops21h 45mMultiple Airlines
mar. 11/189:50 amPDX - SYD
1 stop28h 45mMultiple Airlines
Deal found 10/30$813
This BestPriceTravel deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/139:40 pmSYD - SEA
1 stop20h 41mHawaiian Airlines
dom. 11/166:30 pmSEA - SYD
1 stop30h 15mHawaiian Airlines
Deal found 10/29$815
This Priceline deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:20 amSYD - SEA
1 stop26h 56mAir Canada
mié. 12/108:00 pmSEA - SYD
1 stop39h 55mAir Canada
Deal found 10/30$822
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/36:20 amSYD - SEA
2 stops27h 11mMultiple Airlines
mié. 12/108:00 pmSEA - SYD
1 stop39h 55mMultiple Airlines
Deal found 10/30$828
This Aunt Betty deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/276:00 amSYD - SEA
2 stops22h 31mMultiple Airlines
vie. 12/125:50 amSEA - SYD
1 stop32h 45mMultiple Airlines
Deal found 10/30$843
This Qantas Airways deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1112:10 pmBNE - SEA
1 stop24h 10mQantas Airways
vie. 1/26:00 amSEA - BNE
1 stop29h 45mQantas Airways
Deal found 10/29$844
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/311:20 amSYD - PDX
1 stop24h 52mAmerican Airlines
mar. 11/185:42 pmPDX - SYD
1 stop20h 18mAmerican Airlines
Deal found 10/30$848
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/139:40 pmSYD - SEA
2 stops20h 56mAlaska Airlines
dom. 11/166:59 pmSEA - SYD
2 stops29h 46mAlaska Airlines
Deal found 10/29$851

Cheap flight deals from Australia to Washington

Keep the following information in mind while searching for Australia to Washington flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$742
(Booking.com)

One-way from

$507
(American Airlines)

Popular in

July

Cheapest in

August

Average price

$1,005
Provider with most accurate pricing for Sydney Kingsford Smith-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Seattle/Tacoma Intl flights.
Search Deals
From Australia to Washington
Search Deals
One-way flight from Australia to Washington
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Australia to Washington that are best for you.

Fly from

Australia

Fly to

Washington

Route

Depart

Return

Price

MelbourneSeattle

AVV - SEA

AVVSEA

Melbourne Avalon

mié. 2/25

4:25 pm-2:31 pm

2 stops41h 06m

Seattle/Tacoma Intl

dom. 3/15

3:40 pm-2:10 pm

2 stops28h 30m

$742

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

mié. 3/11

7:10 am-3:01 pm

2 stops25h 51m

Seattle/Tacoma Intl

dom. 3/15

3:40 pm-12:35 pm

2 stops26h 55m

$786

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

jue. 12/11

12:10 pm-5:28 pm

1 stop23h 18m

Seattle/Tacoma Intl

mar. 12/30

6:00 am-5:45 am

1 stop29h 45m

$795

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

jue. 12/11

12:10 pm-6:20 pm

1 stop24h 10m

Seattle/Tacoma Intl

dom. 12/28

6:00 am-5:45 am

1 stop29h 45m

$795

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

mié. 2/25

11:30 am-9:14 pm

2 stops28h 44m

Seattle/Tacoma Intl

dom. 3/15

7:29 pm-9:00 am

1 stop19h 31m

$802

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

mié. 12/17

11:30 am-9:00 pm

2 stops28h 30m

Seattle/Tacoma Intl

lun. 12/29

11:59 pm-10:00 am

2 stops39h 01m

$805

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

jue. 12/18

1:00 pm-6:45 pm

1 stop24h 45m

Seattle/Tacoma Intl

lun. 12/29

7:12 pm-10:00 am

1 stop19h 48m

$808

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

mié. 12/3

6:20 am-2:31 pm

2 stops27h 11m

Seattle/Tacoma Intl

mié. 12/10

8:00 pm-6:55 am

1 stop39h 55m

$828

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

jue. 1/15

10:45 am-9:31 am

1 stop16h 46m

Seattle/Tacoma Intl

jue. 2/12

3:40 pm-8:45 am

1 stop23h 05m

$832

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

jue. 11/27

6:00 am-9:31 am

2 stops22h 31m

Seattle/Tacoma Intl

vie. 12/12

5:50 am-9:35 am

1 stop32h 45m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Australia to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Australia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Washington

What is the cheapest month to book a flight from Australia to State of Washington?

Currently, August is the cheapest month in which you can book a flight from Australia to State of Washington (average of $613). Flying from Australia to State of Washington in January is currently the most expensive (average of $824). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AU to WA?

Find hourly flight availability from Australia to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

When flying from Australia to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight in the afternoon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated octubre 30, 2025.
See what other customers who have flown with Delta, Hawaiian Airlines, and United Airlines from Australia to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Hawaiian Airlines
7.8
Good
2,797 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Air Canada
7.1
Good
10,381 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Related info for your journey

Find useful and relevant information for your journey from Australia to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Australia to State of Washington?

    For as low as $795, Air Canada can have you in State of Washington from Australia in 23h 18m. Airlines will cover a distance of 7346 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Australia to State of Washington one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $510. Delta flights start at $512 while deals on Air Canada start at $569 one-way.

  • Can I find deals for flights from Australia to Washington that include hotel bookings?

    Yes. In addition to deals on Australia to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Washington.

  • Can I find deals for business class flights from Australia to Washington?

    Yes. Cheapflights offers flight deals from Australia to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to State of Washington?

    Currently, August is the cheapest month in which you can book a flight from Australia to State of Washington (average of $613). Flying from Australia to State of Washington in January is currently the most expensive (average of $824). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Los Angeles flights
Melbourne to Los Angeles flights
Auckland to Los Angeles flights
Sydney to Honolulu flights
Brisbane to Los Angeles flights
Melbourne to Dallas/Fort Worth flights
Sydney to Dallas/Fort Worth flights
Sydney to John F Kennedy Intl flights
Sydney to San Francisco flights
Melbourne to John F Kennedy Intl flights
Perth to Newark flights
Papeete to Los Angeles flights
Melbourne to Newark flights
Melbourne to LaGuardia flights
Melbourne to San Francisco flights
Sydney to LaGuardia flights
Sydney to Newark flights
Perth to John F Kennedy Intl flights
Brisbane to San Francisco flights
Papeete to Honolulu flights
Brisbane to Dallas/Fort Worth flights
Sydney to Ontario flights
Brisbane to John F Kennedy Intl flights
Auckland to San Francisco flights
Auckland to John F Kennedy Intl flights
Melbourne to Ontario flights
Brisbane to Newark flights
Melbourne to Honolulu flights
Sydney to Seattle flights
Sydney to Hobby flights
Auckland to Ontario flights
Melbourne to Seattle flights
Brisbane to LaGuardia flights
Auckland to Honolulu flights
Avalon to Los Angeles flights
Brisbane to Ontario flights
Melbourne to Dulles Intl flights
Sydney to George Bush Intcntl flights
Brisbane to Honolulu flights
Sydney to O'Hare Intl flights
Sydney to Las Vegas flights
Sydney to Miami flights
Auckland to Hobby flights
Melbourne to Hobby flights
Avalon to Honolulu flights
Auckland to George Bush Intcntl flights

Top 4 airlines flying from Australia to Washington

Discover the top 4 airlines that operate flights from Australia to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$598Average$1,111FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$794Average$1,037FlexibilityNo cancel feeOn-time69%
DeltaCheapest$802Average$1,374FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$917Average$1,547FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.