HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$405+ Cheap flights from Washington to Australia

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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Australia 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.

Cheap flight deals from Washington to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Australia (AU0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$817
(American Airlines)

One-way from

$405
(Trip.com)
From Washington to Australia
Search Deals
One-way flight from Washington to Australia
Search Deals

Find flight deals from Washington to Australia

Cheapest flights from Washington to Australia
Explore the most affordable flight options available from Washington to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/259:38 amPDX - MEL
1 stop35h 42mMultiple Airlines
Wed 3/124:50 pmMEL - PDX
2 stops24h 47mMultiple Airlines
Deal found 1/20$756
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/127:00 amSEA - BNE
1 stop29h 30mAmerican Airlines
Fri 3/218:05 amBNE - SEA
1 stop30h 05mAmerican Airlines
Deal found 1/20$817
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:41 pmSEA - BNE
3 stops27h 39mMultiple Airlines
Wed 3/1211:20 amBNE - SEA
2 stops24h 42mMultiple Airlines
Deal found 1/20$856
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/1212:55 pmSEA - BNE
2 stops24h 35mUnited Airlines
Fri 3/2110:40 amBNE - SEA
1 stop27h 35mUnited Airlines
Deal found 1/20$860
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:41 pmSEA - SYD
3 stops28h 49mMultiple Airlines
Wed 3/126:00 amSYD - SEA
2 stops31h 02mMultiple Airlines
Deal found 1/20$887
This Air Canada deal was found by Cheapflights users on 1/20. 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 2/27:05 pmSEA - SYD
2 stops26h 35mAir Canada
Wed 2/129:00 amSYD - SEA
2 stops24h 30mAir Canada
Deal found 1/20$895
This Flightnetwork deal was found by Cheapflights users on 1/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/43:45 pmSEA - SYD
1 stop33h 30mANA
Tue 3/119:45 pmSYD - SEA
1 stop34h 35mANA
Deal found 1/19$902
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/711:45 amSEA - BNE
1 stop25h 45mDelta
Fri 3/149:45 amBNE - SEA
1 stop24h 08mDelta
Deal found 1/21$914
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:33 pmPDX - SYD
1 stop28h 07mMultiple Airlines
Sun 6/81:15 pmSYD - PDX
2 stops43h 43mMultiple Airlines
Deal found 1/21$915
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 3/127:26 pmSEA - SYD
1 stop19h 34mAmerican Airlines
Wed 3/2611:15 amSYD - SEA
1 stop25h 41mAmerican Airlines
Deal found 1/19$917
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/86:00 amPDX - SYD
1 stop32h 00mAmerican Airlines
Fri 2/2111:15 amSYD - PDX
1 stop22h 58mAmerican Airlines
Deal found 1/20$938
This Kissandfly.com deal was found by Cheapflights users on 1/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:00 amSEA - SYD
1 stop17h 45mHawaiian Airlines
Thu 3/139:40 pmSYD - SEA
1 stop19h 50mHawaiian Airlines
Deal found 1/20$943

Find flights from Washington to Australia within your budget

Customize your flight search to find flights from Washington to Australia 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/25

9:38 am-4:20 pm

1 stop35h 42m

Melbourne

Wed 3/12

4:50 pm-11:37 pm

2 stops24h 47m

$756

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 3/12

7:00 am-5:30 am

1 stop29h 30m

Brisbane

Fri 3/21

8:05 am-9:10 pm

1 stop30h 05m

$817

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 3/5

12:41 pm-10:20 am

3 stops27h 39m

Brisbane

Wed 3/12

11:20 am-7:02 pm

2 stops24h 42m

$856

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 3/12

12:55 pm-6:30 am

2 stops24h 35m

Brisbane

Fri 3/21

10:40 am-9:15 pm

1 stop27h 35m

$860

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 3/5

12:41 pm-12:30 pm

3 stops28h 49m

Sydney Kingsford Smith

Wed 3/12

6:00 am-7:02 pm

2 stops31h 02m

$887

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 2/2

3:05 pm-2:40 pm

2 stops28h 35m

Sydney Kingsford Smith

Wed 2/12

8:30 am-9:57 am

2 stops20h 27m

$894

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 3/4

3:45 pm-8:15 pm

1 stop33h 30m

Sydney Kingsford Smith

Tue 3/11

9:45 pm-2:20 pm

1 stop34h 35m

$901

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 3/7

5:59 pm-7:30 am

1 stop19h 31m

Brisbane

Fri 3/14

9:45 am-4:53 pm

1 stop24h 08m

$914

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 3/12

7:26 pm-9:00 am

1 stop19h 34m

Sydney Kingsford Smith

Sun 3/23

11:15 am-6:56 pm

1 stop25h 41m

$917

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 2/8

6:00 am-9:00 am

1 stop32h 00m

Sydney Kingsford Smith

Fri 2/21

11:15 am-3:13 pm

1 stop22h 58m

$938

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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

Best time to book a flight from Washington to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Washington 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.

Travel insights for flights from Washington to Australia

Get recent, data-driven insights about flights from Washington to Australia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from State of Washington to Australia (average of $1,051). Flying from State of Washington to Australia in December is currently the most expensive (average of $1,643). 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 WA to AU?

Find hourly flight availability from Washington to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from State of Washington to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated January 21, 2025.
To help decide which airline to fly from Washington to Australia, see what other customers have to say about ANA, American Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Comfort

8.1

Overall

8.8

Food

7.8

Crew

9.1

Boarding

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Comfort

8.1

Overall

8.8

Food

7.8

Crew

9.1

Boarding

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Korean Air
8.5
Very good
1,039 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Comfort

8.1

Overall

8.8

Food

7.8

Crew

9.1

Boarding

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

EVA Air
8.4
Very good
1,255 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Comfort

8.1

Overall

8.8

Food

7.8

Crew

9.1

Boarding

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.4
Very good
852 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Comfort

8.1

Overall

8.8

Food

7.8

Crew

9.1

Boarding

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Japan Airlines
8.3
Very good
1,449 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Comfort

8.1

Overall

8.8

Food

7.8

Crew

9.1

Boarding

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

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

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

    One-way options have recently been found by users for as low as $435 on American Airlines. Other airlines that offer cheap prices include United Airlines from $436 and Alaska Airlines from $534 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Australia 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 State of Washington to Australia?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Australia (average of $1,051). Flying from State of Washington to Australia in December is currently the most expensive (average of $1,643). 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 Washington to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
Los Angeles to Auckland flights
Los Angeles to Melbourne flights
Dallas/Fort Worth to Sydney flights
San Francisco to Sydney flights
San Francisco to Melbourne flights
Los Angeles to Papeete flights
San Francisco to Auckland flights
John F Kennedy Intl to Sydney flights
San Francisco to Papeete flights
Newark to Sydney flights
Dulles Intl to Sydney flights
John F Kennedy Intl to Melbourne flights
John F Kennedy Intl to Auckland flights
Dallas/Fort Worth to Melbourne flights
Seattle to Auckland flights
Seattle to Sydney flights
Reagan-National to Sydney flights
Ontario to Sydney flights
LaGuardia to Sydney flights
O'Hare Intl to Sydney flights
Hobby to Sydney flights
Los Angeles to Brisbane flights
Dallas/Fort Worth to Auckland flights
Newark to Melbourne flights
Seattle to Melbourne flights
Honolulu to Sydney flights
Santa Ana to Sydney flights
Baltimore to Sydney flights
Ontario to Auckland flights
Los Angeles to Nadi flights
George Bush Intcntl to Sydney flights
Atlanta to Sydney flights
Santa Ana to Auckland flights
O'Hare Intl to Melbourne flights
Boston to Sydney flights
Denver to Sydney flights
LaGuardia to Melbourne flights
Dallas/Fort Worth to Brisbane flights
Los Angeles to Avalon flights
Newark to Auckland flights
Honolulu to Auckland flights
Hobby to Auckland flights
Boston to Auckland flights
LaGuardia to Auckland flights
Denver to Auckland flights
Dallas/Fort Worth to Nadi flights
Detroit to Sydney flights
Dulles Intl to Melbourne flights
O'Hare Intl to Auckland flights

Top 10 airlines flying from Washington to Australia

Discover the top 10 airlines that operate flights from Washington to Australia. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$759Average$1,370FlexibilityNo cancel feeOn-time69%
ANACheapest$767Average$1,196FlexibilityNo cancel feeOn-time80%
Air CanadaCheapest$801Average$1,200FlexibilityNo cancel feeOn-time67%
DeltaCheapest$838Average$1,192FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$863Average$1,314FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$866Average$1,551FlexibilityNo cancel feeOn-time74%
Hawaiian AirlinesCheapest$881Average$1,137FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$911Average$1,357FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,199Average$1,605FlexibilityNo cancel feeOn-time81%
Air New ZealandCheapest$1,202Average$1,441FlexibilityNo cancel feeOn-time78%
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.