Cheap flights from Australia to Washington from $631

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Washington

Enter your travel dates to find the best prices.

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 4 December 2025.

Tue 9/1212:10BNE - SEA
2 stops40h 45mAmerican Airlines
Thu 1/105:23SEA - BNE
2 stops29h 37mAmerican Airlines
Deal found 3/12$1,052
Tue 9/1212:10BNE - SEA
2 stops40h 45mAmerican Airlines
Mon 29/1218:02SEA - BNE
1 stop42h 28mAmerican Airlines
Deal found 3/12$1,053
Tue 9/1212:10BNE - SEA
1 stop28h 15mAmerican Airlines
Sat 13/1200:31SEA - BNE
1 stop35h 59mAmerican Airlines
Deal found 3/12$1,056
Sun 7/1210:40BNE - SEA
1 stop19h 59mDelta
Mon 29/1219:50SEA - BNE
1 stop18h 30mDelta
Deal found 3/12$1,066
Mon 8/1211:40BNE - SEA
1 stop29h 35mUnited Airlines
Wed 31/1219:12SEA - BNE
1 stop18h 18mUnited Airlines
Deal found 3/12$1,067
Sun 7/1210:40BNE - SEA
1 stop18h 05mDelta
Tue 30/1213:35SEA - BNE
2 stops48h 45mDelta
Deal found 3/12$1,069
Tue 9/1212:10BNE - SEA
1 stop28h 15mAmerican Airlines
Mon 15/1206:25SEA - BNE
2 stops34h 40mAmerican Airlines
Deal found 3/12$1,091
Sun 7/1212:10BNE - SEA
1 stop23h 18mQantas Airways
Tue 16/1216:59SEA - BNE
1 stop18h 46mQantas Airways
Deal found 3/12$1,120
Tue 9/1211:20SYD - SEA
1 stop30h 05mAmerican Airlines
Sun 21/1219:13SEA - SYD
1 stop18h 47mAmerican Airlines
Deal found 2/12$1,278
Mon 8/1211:40BNE - SEA
1 stop24h 52mUnited Airlines
Sun 14/1215:25SEA - BNE
2 stops26h 05mUnited Airlines
Deal found 3/12$1,402
Sat 6/1217:45SYD - PDX
1 stop18h 43mMultiple Airlines
Sun 21/1221:45PDX - SYD
1 stop40h 15mMultiple Airlines
Deal found 2/12$1,518
Thu 18/1213:00MEL - SEA
1 stop27h 07mUnited Airlines
Mon 29/1219:12SEA - MEL
2 stops32h 03mUnited Airlines
Deal found 3/12$1,659

Find flight deals from Australia to Washington

Keep the following information in mind while searching for Australia to Washington flight deals. Data was last updated 4 December 2025.

Round-trip from

$988

One-way from

$631

Popular in

July

Cheapest in

August

Average price

$1,932
Air Canada
  • Air Canada
  • 31/1-15/2
  • 2 total stops
  • 59h 26m total
  • Australia to Washington
Air Canada
  • Air Canada
  • 3/2
  • 1 total stop
  • 29h 21m total
  • Australia to Washington
Highest demand for flights based on searches. 2% potential increase in price ($64 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($59 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 4 December 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

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 31/1

10:45-19:16

1 stop26h 31m

Seattle/Tacoma Intl

Sun 15/2

05:50-08:45

1 stop32h 55m

$988

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 20/2

10:45-14:31

1 stop21h 46m

Seattle/Tacoma Intl

Sun 22/2

20:00-13:30

2 stops23h 30m

$1,023

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 31/1

11:40-18:14

2 stops24h 34m

Seattle/Tacoma Intl

Sun 15/2

14:55-07:30

2 stops22h 35m

$1,069

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 16/1

11:40-21:12

1 stop27h 32m

Seattle/Tacoma Intl

Fri 23/1

15:30-07:30

2 stops46h 00m

$1,069

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 17/1

19:40-23:59

1 stop22h 19m

Seattle/Tacoma Intl

Fri 30/1

06:00-05:45

1 stop29h 45m

$1,070

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 17/1

11:40-18:28

1 stop24h 48m

Seattle/Tacoma Intl

Fri 30/1

12:35-07:30

1 stop24h 55m

$1,072

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

09:45-14:09

1 stop21h 24m

Seattle/Tacoma Intl

Tue 23/6

01:38-05:00

1 stop34h 22m

$1,196

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 23/5

13:35-18:50

1 stop22h 15m

Seattle/Tacoma Intl

Sun 31/5

11:40-06:45

2 stops26h 05m

$1,199

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 25/2

11:20-22:59

2 stops30h 39m

Portland

Wed 4/3

13:18-09:15

2 stops24h 57m

$1,304

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 9/12

11:05-18:55

2 stops26h 50m

Seattle/Tacoma Intl

Sun 21/12

06:00-09:00

1 stop32h 00m

$1,310

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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, January is the cheapest month in which you can book a flight from Australia to State of Washington (average of $870). Flying from Australia to State of Washington in July is currently the most expensive (average of $1,214). 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 4 December 2025.

When flying from Australia to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight at midday.

What is the cheapest day to fly from Australia to State of Washington?

Use this chart to determine the cheapest time to fly return from Australia to Washington. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Australia to State of Washington flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 4 December 2025.
Check out reviews from past customers who have flown with Singapore Airlines, Virgin Australia, andQantas Airways 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.

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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?

    Departing from Australia to State of Washington will take you 21h 24m. The distance from Australia to State of Washington is about 13164 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 Air Canada ($602), Qantas Airways ($610), and United Airlines ($633).

  • 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, January is the cheapest month in which you can book a flight from Australia to State of Washington (average of $870). Flying from Australia to State of Washington in July is currently the most expensive (average of $1,214). 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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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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$930Average$1,519FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$987Average$1,363FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AustraliaCheapest$1,141Average$2,102FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Alaska AirlinesCheapest$1,144Average$1,762FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$1,145Average$1,656FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,152Average$2,110FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,160Average$1,527FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,195Average$1,766FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Hawaiian AirlinesCheapest$1,243Average$1,836FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Philippine AirlinesCheapest$1,252Average$1,523FlexibilityNo cancel feeOn-time60%
Search Philippine 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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