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$442+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$849
(American Airlines)

One-way from

$442
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,093
Provider with most accurate pricing for Sydney Kingsford Smith-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Seattle/Tacoma Intl flights.
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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 ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:10 amSYD - SEA
1 stop21h 50mAmerican Airlines
Sun 8/312:32 pmSEA - SYD
1 stop23h 33mAmerican Airlines
Deal found 4/29$849
This Qantas Airways deal was found by Cheapflights users on 4/29. 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.
Mon 8/49:10 amSYD - SEA
1 stop30h 00mQantas Airways
Tue 9/24:59 pmSEA - SYD
1 stop21h 06mQantas Airways
Deal found 4/29$850
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/49:30 amSYD - SEA
2 stops23h 24mUnited Airlines
Mon 9/15:35 pmSEA - SYD
1 stop20h 20mUnited Airlines
Deal found 4/29$865
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/79:25 amSYD - SEA
1 stop28h 00mDelta
Sun 7/2710:15 amSEA - SYD
1 stop27h 20mDelta
Deal found 4/29$874
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/64:20 pmSYD - PDX
1 stop31h 00mMultiple Airlines
Tue 6/105:06 pmPDX - SYD
2 stops52h 34mMultiple Airlines
Deal found 4/29$924
This BYOjet deal was found by Cheapflights users on 4/30. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:45 amBNE - PDX
1 stop25h 39mAir Canada
Mon 11/173:25 pmPDX - BNE
1 stop23h 15mAir Canada
Deal found 4/30$938
This BYOjet deal was found by Cheapflights users on 4/30. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:45 amBNE - PDX
1 stop21h 59mMultiple Airlines
Mon 11/177:05 pmPDX - BNE
2 stops22h 50mMultiple Airlines
Deal found 4/30$955
This Aunt Betty deal was found by Cheapflights users on 4/29. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/510:15 pmBNE - SEA
1 stop38h 35mEVA Air
Sat 7/261:10 amSEA - BNE
1 stop25h 50mEVA Air
Deal found 4/29$992
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:10 pmSYD - SEA
1 stop31h 00mSingapore Airlines
Fri 11/288:45 amSEA - SYD
1 stop27h 55mSingapore Airlines
Deal found 4/30$1,009
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:25 pmSYD - SEA
2 stops25h 01mANA
Fri 11/2810:00 amSEA - SYD
2 stops29h 30mANA
Deal found 4/30$1,054
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 6/210:20 amSYD - PDX
1 stop27h 27mUnited Airlines
Sun 6/1512:42 pmPDX - SYD
2 stops25h 18mUnited Airlines
Deal found 4/29$1,082
This BYOjet deal was found by Cheapflights users on 4/29. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:20 amSYD - PDX
1 stop17h 14mAir Canada
Mon 11/243:25 pmPDX - SYD
1 stop23h 10mAir Canada
Deal found 4/29$1,087

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 May 1, 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

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/5

9:10 am-2:00 pm

1 stop21h 50m

Seattle/Tacoma Intl

Sun 8/31

2:32 pm-7:05 am

1 stop23h 33m

$849

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 8/4

9:10 am-10:10 pm

1 stop30h 00m

Seattle/Tacoma Intl

Tue 9/2

4:59 pm-7:05 am

1 stop21h 06m

$850

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 8/4

9:30 am-3:54 pm

2 stops23h 24m

Seattle/Tacoma Intl

Mon 9/1

5:35 pm-6:55 am

1 stop20h 20m

$865

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/7

9:25 am-10:22 pm

2 stops29h 57m

Seattle/Tacoma Intl

Tue 7/29

1:30 pm-6:35 am

2 stops24h 05m

$874

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 6/6

4:20 pm-6:20 am

1 stop31h 00m

Portland

Tue 6/10

5:06 pm-2:40 pm

2 stops52h 34m

$924

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 7/5

10:15 pm-7:50 pm

1 stop38h 35m

Seattle/Tacoma Intl

Sat 7/26

1:10 am-8:00 pm

1 stop25h 50m

$992

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 6/2

10:20 am-8:47 pm

1 stop27h 27m

Portland

Thu 6/12

7:50 pm-6:55 am

1 stop18h 05m

$1,082

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 6/3

9:25 am-2:50 pm

2 stops22h 25m

Portland

Thu 6/12

8:29 pm-6:35 am

2 stops41h 06m

$1,091

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 7/5

10:15 pm-7:50 pm

1 stop38h 35m

Seattle/Tacoma Intl

Sun 7/27

10:57 pm-8:00 pm

2 stops28h 03m

$1,098

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 8/16

12:25 pm-10:35 am

2 stops37h 10m

Seattle/Tacoma Intl

Tue 8/26

1:30 pm-12:40 am

2 stops44h 10m

$1,112

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 July is currently the most expensive (average of $405). 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 May 1, 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.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 May 1, 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, EVA Air and Korean Air from Australia to Washington by reading reviews from past customers. In addition to providing an overall rating, 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

Comfort

8.1

Boarding

8.7

Crew

9.1

Food

7.8

Entertainment

7.3

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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

Comfort

8.1

Boarding

8.7

Crew

9.1

Food

7.8

Entertainment

7.3

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
1,186 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Boarding

8.7

Crew

9.1

Food

7.8

Entertainment

7.3

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
8.4
Very good
1,069 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Boarding

8.7

Crew

9.1

Food

7.8

Entertainment

7.3

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
1,464 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Boarding

8.7

Crew

9.1

Food

7.8

Entertainment

7.3

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.
China Airlines
8.3
Very good
732 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Boarding

8.7

Crew

9.1

Food

7.8

Entertainment

7.3

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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 Australia to Washington. 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 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 $548. American Airlines flights start at $562 while deals on Delta start at $575 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 July is currently the most expensive (average of $405). 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 7 airlines flying from Australia to Washington

Discover the top 7 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$673Average$1,353FlexibilityNo cancel feeOn-time69%
DeltaCheapest$870Average$1,392FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$872Average$1,137FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$917Average$1,321FlexibilityNo cancel feeOn-time85%
Qantas AirwaysCheapest$1,058Average$1,630FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$1,070Average$1,504FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$1,207Average$1,256FlexibilityNo cancel feeOn-time81%

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