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Cheap flights from Australia to Washington from $644

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
6 Jul — 13 Jul1
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 1 July 2025.

Round-trip from

$1,238

One-way from

$644

Popular in

December

Cheapest in

February

Average price

$1,972
Alaska Airlines
  • Alaska Airlines
  • 13/8-20/8
  • 2 total stops
  • 50h 46m total
  • Australia to Washington
Search Deals
27/8
  • 27/8
  • 2 total stops
  • 31h 55m total
  • Australia to Washington
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($238 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 1 July 2025.

Mon 17/1111:20SYD - SEA
1 stop17h 11mAir Canada
Mon 2/220:00SEA - SYD
1 stop18h 35mAir Canada
Deal found 29/6$1,235
Wed 13/816:20SYD - SEA
1 stop30h 40mMultiple Airlines
Wed 20/817:59SEA - SYD
1 stop20h 06mMultiple Airlines
Deal found 29/6$1,238
Tue 12/806:00MEL - SEA
2 stops29h 36mMultiple Airlines
Sun 31/819:15SEA - MEL
2 stops23h 10mMultiple Airlines
Deal found 30/6$1,277
Sat 6/1212:10SYD - SEA
1 stop25h 14mUnited Airlines
Thu 1/116:30SEA - SYD
1 stop18h 50mUnited Airlines
Deal found 28/6$1,320
Thu 4/1210:40SYD - SEA
2 stops25h 18mDelta
Mon 29/1219:50SEA - SYD
1 stop40h 00mDelta
Deal found 28/6$1,322
Tue 12/810:20BNE - SEA
1 stop20h 56mAir Canada
Tue 19/819:15SEA - BNE
1 stop18h 50mAir Canada
Deal found 29/6$1,354
Wed 13/816:20SYD - PDX
2 stops21h 53mMultiple Airlines
Wed 20/817:35PDX - SYD
1 stop20h 30mMultiple Airlines
Deal found 29/6$1,354
Sun 20/710:00BNE - SEA
1 stop20h 06mMultiple Airlines
Wed 13/814:50SEA - BNE
2 stops23h 15mMultiple Airlines
Deal found 1/7$1,368
Wed 13/810:55MEL - SEA
2 stops27h 28mUnited Airlines
Thu 28/814:29SEA - MEL
1 stop24h 46mUnited Airlines
Deal found 30/6$1,375
Thu 14/821:40SYD - SEA
1 stop25h 20mAlaska Airlines
Thu 21/820:35SEA - SYD
1 stop30h 10mAlaska Airlines
Deal found 30/6$1,380
Sun 9/1110:30SYD - SEA
1 stop22h 25mAsiana Airlines
Sat 15/1100:10SEA - SYD
1 stop37h 20mAsiana Airlines
Deal found 30/6$1,381
Mon 11/812:25PER - SEA
2 stops37h 10mJapan Airlines
Mon 18/813:30SEA - PER
2 stops44h 10mJapan Airlines
Deal found 28/6$1,390

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 1 July 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

Mon 17/11

11:20-09:31

1 stop17h 11m

Seattle/Tacoma Intl

Mon 2/2

20:00-09:35

1 stop18h 35m

$1,235

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 13/8

16:20-06:00

1 stop30h 40m

Seattle/Tacoma Intl

Wed 20/8

17:59-07:05

1 stop20h 06m

$1,238

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 12/8

06:00-18:36

2 stops29h 36m

Seattle/Tacoma Intl

Sun 31/8

19:15-11:25

2 stops23h 10m

$1,277

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 6/12

11:20-18:10

2 stops25h 50m

Seattle/Tacoma Intl

Sat 7/2

15:25-06:20

1 stop19h 55m

$1,320

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 4/12

10:40-13:00

1 stop21h 20m

Seattle/Tacoma Intl

Sun 8/2

11:25-08:30

2 stops26h 05m

$1,322

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 12/8

10:20-14:16

1 stop20h 56m

Seattle/Tacoma Intl

Tue 19/8

19:15-07:05

1 stop18h 50m

$1,354

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 13/8

16:20-21:13

2 stops21h 53m

Portland

Wed 20/8

17:35-07:05

1 stop20h 30m

$1,354

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 20/7

10:00-13:06

1 stop20h 06m

Seattle/Tacoma Intl

Wed 13/8

14:50-07:05

2 stops23h 15m

$1,368

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 13/8

09:30-19:14

2 stops26h 44m

Seattle/Tacoma Intl

Thu 28/8

11:11-08:15

2 stops28h 04m

$1,375

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 14/8

21:40-06:00

1 stop25h 20m

Seattle/Tacoma Intl

Thu 21/8

20:35-19:45

1 stop30h 10m

$1,380

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 $1,408). 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 1 July 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 1 July 2025.
Check out reviews from past customers who have flown with Air Tahiti Nui, EVA Air, andANA from Australia to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Crew

9.0

Boarding

8.7

Comfort

8.1

Overall

8.7

Entertainment

7.3

Food

7.8

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

Crew

9.0

Boarding

8.7

Comfort

8.1

Overall

8.7

Entertainment

7.3

Food

7.8

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
1,212 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Crew

9.0

Boarding

8.7

Comfort

8.1

Overall

8.7

Entertainment

7.3

Food

7.8

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.
ANA
8.4
Very Good
892 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Crew

9.0

Boarding

8.7

Comfort

8.1

Overall

8.7

Entertainment

7.3

Food

7.8

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
1,101 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Crew

9.0

Boarding

8.7

Comfort

8.1

Overall

8.7

Entertainment

7.3

Food

7.8

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
1,504 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Crew

9.0

Boarding

8.7

Comfort

8.1

Overall

8.7

Entertainment

7.3

Food

7.8

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?

    The cheapet airlines for a one-way flight from Australia to State of Washington are Qantas Airways ($771), Delta ($789), and Air Canada ($846).

  • 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 $1,408). 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

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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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$350Average$2,069FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$1,010Average$1,950FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,211Average$1,926FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Asiana AirlinesCheapest$1,233Average$1,567FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Air CanadaCheapest$1,234Average$1,785FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Philippine AirlinesCheapest$1,259Average$1,518FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
DeltaCheapest$1,312Average$2,159FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
EVA AirCheapest$1,315Average$1,511FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Air New ZealandCheapest$1,342Average$1,490FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Hawaiian AirlinesCheapest$1,356Average$1,864FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights notify me if prices for flights from Australia to Washington become cheaper?

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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