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Cheap flights from Australia to Washington from $729

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
18 kesä — 25 kesä1
1 adult

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 13 kesäkuu 2025.

Round-trip from

$1,325

One-way from

$737

Popular in

December

Cheapest in

February

Average price

$1,633
Delta
  • Delta
  • 10/7-31/7
  • 3 total stops
  • 52h 43m total
  • Australia to Washington
Search Deals
23/10
  • 23/10
  • 2 total stops
  • 24h 32m total
  • Australia to Washington
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($248 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 13 kesäkuu 2025.

pe 7/1121:40SYD - SEA
1 stop18h 52mAlaska Airlines
ti 11/1118:55SEA - SYD
1 stop29h 50mAlaska Airlines
Deal found 11/6$1,277
to 10/709:25SYD - SEA
1 stop22h 18mDelta
to 31/707:10SEA - SYD
2 stops30h 25mDelta
Deal found 12/6$1,325
ti 9/910:20SYD - SEA
2 stops24h 32mUnited Airlines
pe 26/919:37SEA - SYD
1 stop18h 18mUnited Airlines
Deal found 11/6$1,326
ke 1/1011:15BNE - SEA
1 stop25h 00mPhilippine Airlines
ke 29/1023:55SEA - BNE
1 stop41h 00mPhilippine Airlines
Deal found 10/6$1,356
la 26/721:40SYD - SEA
1 stop28h 00mHawaiian Airlines
la 2/808:15SEA - SYD
1 stop18h 30mHawaiian Airlines
Deal found 11/6$1,363
ke 18/610:55MEL - SEA
1 stop24h 30mUnited Airlines
ma 30/614:24SEA - MEL
2 stops24h 06mUnited Airlines
Deal found 12/6$1,369
su 3/809:20SYD - SEA
1 stop21h 56mAir Canada
pe 8/813:45SEA - SYD
1 stop24h 35mAir Canada
Deal found 12/6$1,372
su 30/1110:45BNE - PDX
2 stops28h 04mDelta
su 1/217:45PDX - BNE
2 stops44h 00mDelta
Deal found 10/6$1,379
su 30/1111:40BNE - PDX
1 stop31h 05mMultiple Airlines
su 1/209:00PDX - BNE
1 stop28h 30mMultiple Airlines
Deal found 10/6$1,400
to 20/1110:30SYD - SEA
1 stop22h 25mAsiana Airlines
to 27/1100:10SEA - SYD
1 stop37h 20mAsiana Airlines
Deal found 13/6$1,403
su 3/816:20SYD - PDX
1 stop22h 50mMultiple Airlines
la 9/807:00PDX - SYD
2 stops38h 40mMultiple Airlines
Deal found 11/6$1,420
la 23/809:45MEL - SEA
1 stop28h 51mQantas Airways
to 11/915:23SEA - MEL
1 stop22h 22mQantas Airways
Deal found 13/6$1,425

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 13 kesäkuu 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

to 10/7

09:25-14:43

1 stop22h 18m

Seattle/Tacoma Intl

to 31/7

07:10-06:35

2 stops30h 25m

$1,325

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

ti 9/9

10:20-17:52

2 stops24h 32m

Seattle/Tacoma Intl

pe 26/9

19:37-06:55

1 stop18h 18m

$1,326

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

la 26/7

21:40-08:40

1 stop28h 00m

Seattle/Tacoma Intl

la 2/8

08:15-19:45

1 stop18h 30m

$1,363

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

ke 18/6

10:55-18:14

2 stops24h 19m

Seattle/Tacoma Intl

ma 30/6

14:24-07:30

2 stops24h 06m

$1,369

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

su 3/8

09:20-14:16

1 stop21h 56m

Seattle/Tacoma Intl

pe 8/8

13:45-07:20

1 stop24h 35m

$1,372

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

su 30/11

10:45-20:49

2 stops28h 04m

Portland

su 1/2

17:45-07:45

2 stops44h 00m

$1,379

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

su 3/8

21:40-06:00

1 stop25h 20m

Seattle/Tacoma Intl

pe 8/8

08:15-19:45

1 stop18h 30m

$1,394

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

su 30/11

11:40-00:45

1 stop31h 05m

Portland

su 1/2

09:00-07:30

1 stop28h 30m

$1,400

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 3/8

16:20-22:10

1 stop22h 50m

Portland

la 9/8

07:00-14:40

2 stops38h 40m

$1,420

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

la 23/8

09:45-21:36

1 stop28h 51m

Seattle/Tacoma Intl

to 11/9

15:23-06:45

1 stop22h 22m

$1,425

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 return 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, March is the cheapest month in which you can book a flight from Australia to State of Washington (average of $875). Flying from Australia to State of Washington in December is currently the most expensive (average of $1,433). 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 13 kesäkuu 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 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 13 kesäkuu 2025.
See what other customers who have flown with Air Tahiti Nui, EVA Air and Korean Air 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.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
1,202 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
1,091 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
1,490 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
738 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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?

    The cheapet airlines for a one-way flight from Australia to State of Washington are Qantas Airways ($766), United Airlines ($791), and Delta ($791).

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Australia to State of Washington (average of $875). Flying from Australia to State of Washington in December is currently the most expensive (average of $1,433). 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 10 airlines flying from Australia to Washington

Discover the top 10 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 647,157 searches. Data last updated 13 kesäkuu 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$969Average$1,977FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,155Average$2,187FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Asiana AirlinesCheapest$1,240Average$1,576FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Air CanadaCheapest$1,243Average$1,800FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Philippine AirlinesCheapest$1,266Average$1,511FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Qantas AirwaysCheapest$1,271Average$1,967FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EVA AirCheapest$1,323Average$1,520FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Air New ZealandCheapest$1,350Average$1,478FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Hawaiian AirlinesCheapest$1,361Average$1,914FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
DeltaCheapest$1,391Average$2,234FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to Washington?

Cheapflights makes it easy to find Australia to Washington flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Australia to Washington?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington from Australia.

Can Cheapflights find flights from Australia to Washington with no change fees?

Certainly. Search results for flights to Washington from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Of course! You can now track prices for flights from Australia to Washington and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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