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$462+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$761
(Aunt Betty)

One-way from

$462
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$1,032
From Australia to Washington
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One-way flight from Australia to Washington
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Highest demand for flights based on searches. 7% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This Aunt Betty deal was found by Cheapflights users on 9/15. 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.
Mon 10/66:05 amMEL - SEA
2 stops21h 16mMultiple Airlines
Fri 10/247:15 pmSEA - MEL
2 stops25h 00mMultiple Airlines
Deal found 9/15$761
This Aunt Betty deal was found by Cheapflights users on 9/14. 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.
Tue 10/1410:20 amSYD - SEA
1 stop26h 16mMultiple Airlines
Sat 11/88:00 pmSEA - SYD
2 stops23h 40mMultiple Airlines
Deal found 9/14$763
This BYOjet deal was found by Cheapflights users on 9/13. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:20 amSYD - PDX
1 stop26h 26mMultiple Airlines
Thu 10/307:00 pmPDX - SYD
2 stops23h 40mMultiple Airlines
Deal found 9/13$763
This Aunt Betty deal was found by Cheapflights users on 9/13. 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.
Tue 10/146:05 amMEL - SEA
2 stops30h 31mMultiple Airlines
Tue 10/288:00 pmSEA - MEL
2 stops29h 45mMultiple Airlines
Deal found 9/13$768
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:20 amSYD - SEA
1 stop26h 56mAir Canada
Tue 11/1110:05 amSEA - SYD
1 stop28h 30mAir Canada
Deal found 9/13$769
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:10 amMEL - SEA
2 stops21h 11mMultiple Airlines
Thu 11/138:00 pmSEA - MEL
2 stops24h 30mMultiple Airlines
Deal found 9/14$775
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:20 amSYD - SEA
1 stop21h 56mAir Canada
Sun 10/192:55 pmSEA - SYD
2 stops26h 45mAir Canada
Deal found 9/13$788
This SmartFares deal was found by Cheapflights users on 9/13. 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.
Fri 11/218:00 amSYD - PDX
2 stops20h 15mMultiple Airlines
Fri 11/289:50 amPDX - SYD
1 stop28h 45mMultiple Airlines
Deal found 9/13$797
This Gotogate deal was found by Cheapflights users on 9/14. 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.
Thu 11/2010:50 pmMEL - PDX
2 stops29h 25mMultiple Airlines
Sat 2/77:00 pmPDX - MEL
2 stops25h 15mMultiple Airlines
Deal found 9/14$801
This Aunt Betty deal was found by Cheapflights users on 9/14. 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.
Fri 9/199:40 pmSYD - PDX
1 stop18h 00mHawaiian Airlines
Sat 9/207:40 amPDX - SYD
1 stop19h 05mHawaiian Airlines
Deal found 9/14$801
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:25 amMEL - PDX
2 stops20h 50mMultiple Airlines
Mon 12/17:00 pmPDX - MEL
2 stops44h 35mMultiple Airlines
Deal found 9/14$803
This Aunt Betty deal was found by Cheapflights users on 9/13. 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.
Fri 11/219:40 pmSYD - PDX
1 stop19h 03mHawaiian Airlines
Fri 11/287:00 amPDX - SYD
1 stop17h 45mHawaiian Airlines
Deal found 9/13$806

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 September 15, 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

MEL - SEA

MELSEA

Melbourne

Tue 10/14

6:05 am-6:36 pm

2 stops30h 31m

Seattle/Tacoma Intl

Tue 10/28

8:00 pm-7:45 pm

2 stops29h 45m

$768

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 10/2

7:30 am-2:46 pm

2 stops24h 16m

Portland

Thu 10/30

7:00 pm-12:40 pm

2 stops23h 40m

$777

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 11/21

8:00 am-9:15 am

2 stops20h 15m

Portland

Fri 11/28

9:50 am-9:35 am

1 stop28h 45m

$797

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 11/21

9:40 pm-9:43 pm

1 stop19h 03m

Portland

Fri 11/28

7:00 am-7:45 pm

1 stop17h 45m

$806

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 10/15

10:20 am-9:21 am

1 stop17h 01m

Seattle/Tacoma Intl

Wed 10/22

5:30 am-8:20 am

1 stop32h 50m

$811

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 3/11

8:00 am-3:01 pm

2 stops25h 01m

Seattle/Tacoma Intl

Sun 3/15

8:00 pm-8:35 am

1 stop18h 35m

$811

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sun 11/16

6:05 am-9:15 am

2 stops22h 10m

Portland

Mon 12/1

7:00 pm-10:35 am

2 stops44h 35m

$821

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Tue 10/28

7:10 am-9:15 am

2 stops20h 05m

Portland

Tue 11/18

7:00 pm-5:25 pm

2 stops27h 25m

$822

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/20

9:40 pm-5:34 am

1 stop26h 54m

Portland

Fri 11/28

7:00 am-7:45 pm

1 stop17h 45m

$828

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 11/22

9:40 pm-9:43 pm

1 stop19h 03m

Portland

Fri 11/28

7:00 am-7:45 pm

1 stop17h 45m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Australia to State of Washington (average of $238). Flying from Australia to State of Washington in June is currently the most expensive (average of $387). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to State of Washington as you normally would.

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 September 15, 2025.
See what other customers who have flown with Singapore Airlines, Delta, and Hawaiian 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.
Singapore Airlines
8.1
Very good
1,365 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,365 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Delta
8.0
Very good
7,954 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Hawaiian Airlines
7.8
Good
2,723 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
United Airlines
7.4
Good
8,929 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Air Canada
7.1
Good
10,000 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 $811, Hawaiian Airlines can have you in State of Washington from Australia in 17h 01m. Airlines will cover a distance of 7744 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 Air Canada, which is currently one of the cheapest options available, starting at $467. United Airlines flights start at $531 while deals on Japan Airlines start at $715 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, January is the cheapest month in which you can book a flight from Australia to State of Washington (average of $238). Flying from Australia to State of Washington in June is currently the most expensive (average of $387). 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

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Alternative routes for Australia to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Australia to Washington

Discover the top 5 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$598Average$1,112FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$794Average$1,096FlexibilityNo cancel feeOn-time69%
DeltaCheapest$802Average$1,374FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$917Average$1,467FlexibilityNo cancel feeOn-time85%
Singapore AirlinesCheapest$1,070Average$1,504FlexibilityNo cancel feeOn-time81%

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