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Cheap flights from Australia to Washington from $615

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 13 November 2025.

Thu 13/1110:45BNE - SEA
1 stop16h 46mAir Canada
Wed 26/1115:40SEA - BNE
1 stop23h 05mAir Canada
Deal found 11/11$993
Fri 12/1219:40BNE - SEA
1 stop20h 45mAmerican Airlines
Mon 29/1210:32SEA - BNE
2 stops24h 28mAmerican Airlines
Deal found 9/11$1,059
Sun 7/1212:10BNE - SEA
2 stops40h 33mAmerican Airlines
Sat 27/1210:20SEA - BNE
2 stops24h 40mAmerican Airlines
Deal found 9/11$1,060
Thu 4/1210:45BNE - SEA
1 stop16h 46mMultiple Airlines
Tue 9/1220:00SEA - BNE
2 stops32h 25mMultiple Airlines
Deal found 10/11$1,080
Thu 13/1119:40BNE - SEA
2 stops23h 18mQantas Airways
Wed 26/1110:35SEA - BNE
2 stops27h 40mQantas Airways
Deal found 11/11$1,132
Sun 21/1213:00MEL - SEA
1 stop30h 59mUnited Airlines
Sat 3/108:57SEA - MEL
2 stops29h 33mUnited Airlines
Deal found 12/11$1,219
Fri 26/1213:00MEL - SEA
1 stop30h 59mUnited Airlines
Fri 2/123:59SEA - MEL
2 stops38h 31mUnited Airlines
Deal found 11/11$1,221
Mon 17/1111:40BNE - SEA
1 stop24h 45mUnited Airlines
Mon 24/1117:20SEA - BNE
1 stop20h 10mUnited Airlines
Deal found 11/11$1,245
Wed 10/1211:20BNE - SEA
2 stops25h 13mMultiple Airlines
Mon 29/1205:00SEA - BNE
2 stops35h 20mMultiple Airlines
Deal found 9/11$1,374
Sun 21/1213:00MEL - PDX
1 stop28h 46mUnited Airlines
Tue 30/1209:00PDX - MEL
2 stops30h 00mUnited Airlines
Deal found 11/11$1,414
Sat 27/1213:00MEL - PDX
2 stops49h 43mUnited Airlines
Sat 3/105:00PDX - MEL
2 stops33h 30mUnited Airlines
Deal found 12/11$1,420
Tue 18/1107:45SYD - SEA
2 stops33h 45mAir New Zealand
Tue 25/1115:40SEA - SYD
2 stops23h 50mAir New Zealand
Deal found 11/11$1,423

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 November 2025.

Round-trip from

$984

One-way from

$615

Popular in

July

Cheapest in

August

Average price

$1,558
Air Canada
  • Air Canada
  • 16/3-21/3
  • 2 total stops
  • 39h 51m total
  • Australia to Washington
Search Deals
14/1
  • 14/1
  • 2 total stops
  • 31h 56m total
  • Australia to Washington
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($57 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 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

Thu 4/12

10:45-09:31

1 stop16h 46m

Seattle/Tacoma Intl

Tue 9/12

20:00-22:25

2 stops32h 25m

$1,080

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 25/3

12:00-20:46

1 stop26h 46m

Seattle/Tacoma Intl

Tue 5/5

19:32-08:15

1 stop19h 43m

$1,219

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 21/12

13:00-00:59

1 stop30h 59m

Seattle/Tacoma Intl

Sat 3/1

08:57-09:30

2 stops29h 33m

$1,219

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 21/12

13:00-00:59

1 stop30h 59m

Seattle/Tacoma Intl

Mon 5/1

05:02-10:00

2 stops33h 58m

$1,219

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 26/12

13:00-00:59

1 stop30h 59m

Seattle/Tacoma Intl

Fri 2/1

23:59-09:30

2 stops38h 31m

$1,221

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 17/1

11:10-19:16

2 stops50h 06m

Seattle/Tacoma Intl

Fri 30/1

05:50-08:45

1 stop32h 55m

$1,226

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 2/3

08:10-09:05

2 stops19h 55m

Portland

Sat 14/3

19:00-12:35

2 stops23h 35m

$1,299

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Tue 31/3

07:00-09:15

2 stops20h 15m

Portland

Tue 21/4

09:50-11:20

2 stops32h 30m

$1,305

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 2/2

08:10-09:05

2 stops19h 55m

Portland

Fri 13/2

19:00-17:40

2 stops27h 40m

$1,310

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 11/3

07:10-09:15

2 stops20h 05m

Portland

Sun 15/3

19:00-12:35

2 stops23h 35m

$1,382

Flights are sorted by cheapest return flights first.

Deals found on 10/11

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, August is the cheapest month in which you can book a flight from Australia to State of Washington (average of $938). Flying from Australia to State of Washington in January is currently the most expensive (average of $1,261). 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 November 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. Sunday afternoons 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 13 November 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.
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

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.
Singapore Airlines
8.1
Very Good
1,401 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

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.
Virgin Australia
7.6
Good
424 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

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.
Qantas Airways
7.5
Good
933 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

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.
United Airlines
7.4
Good
9,015 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

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.
Air Canada
7.1
Good
10,444 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

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 26h 46m. 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 Delta ($643), Qantas Airways ($695), and United Airlines ($773).

  • 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, August is the cheapest month in which you can book a flight from Australia to State of Washington (average of $938). Flying from Australia to State of Washington in January is currently the most expensive (average of $1,261). 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 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$938Average$1,557FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$995Average$1,391FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$1,008Average$1,698FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,150Average$2,126FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Alaska AirlinesCheapest$1,153Average$1,776FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$1,161Average$2,127FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,170Average$1,561FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,214Average$1,823FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Hawaiian AirlinesCheapest$1,242Average$1,854FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Philippine AirlinesCheapest$1,262Average$1,501FlexibilityNo 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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