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Cheap flights from Australia to Washington from $659

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
17 Feb — 24 Feb1
1 adult

Cheap flight deals from Australia to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Australia (AU0) to Washington (USWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 February 2025.

Round-trip from

$1,178

One-way from

$661

Popular in

December

Cheapest in

February

Average price

$1,545
11/3-18/3
  • 11/3-18/3
  • 4 total stops
  • 59h 12m total
  • Australia to Washington
6/3
  • 6/3
  • 2 total stops
  • 24h 49m total
  • Australia to Washington
Highest demand for flights based on searches. 8% potential increase in price ($266 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($81 potential savings vs. average return price).
Average for round-trip flights in February 2025

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 12 February 2025.

Tue 11/314:00SYD - SEA
2 stops23h 59mMultiple Airlines
Tue 18/315:02SEA - SYD
2 stops36h 48mMultiple Airlines
Deal found 10/2$1,175
Tue 11/310:30SYD - SEA
1 stop17h 20mAir Canada
Tue 18/315:05SEA - SYD
1 stop23h 30mAir Canada
Deal found 10/2$1,272
Wed 12/310:25SYD - PDX
1 stop17h 09mAir Canada
Tue 18/319:05PDX - SYD
1 stop19h 30mAir Canada
Deal found 9/2$1,284
Thu 20/310:40BNE - PDX
1 stop24h 55mUnited Airlines
Thu 27/306:00PDX - BNE
1 stop31h 30mUnited Airlines
Deal found 11/2$1,342
Thu 13/211:50SYD - SEA
1 stop21h 57mAmerican Airlines
Fri 14/206:03SEA - SYD
1 stop30h 22mAmerican Airlines
Deal found 10/2$1,354
Wed 12/210:45BNE - SEA
1 stop21h 45mAir Canada
Fri 21/219:05SEA - BNE
1 stop19h 35mAir Canada
Deal found 10/2$1,358
Mon 14/720:30MEL - SEA
2 stops33h 31mAir Canada
Mon 18/819:15SEA - MEL
2 stops23h 20mAir Canada
Deal found 10/2$1,362
Mon 10/307:10MEL - SEA
2 stops25h 20mMultiple Airlines
Mon 17/319:05SEA - MEL
2 stops26h 40mMultiple Airlines
Deal found 10/2$1,374
Wed 12/307:15MEL - PDX
2 stops25h 29mMultiple Airlines
Wed 19/319:05PDX - MEL
2 stops28h 45mMultiple Airlines
Deal found 10/2$1,375
Thu 13/211:40BNE - SEA
2 stops24h 23mUnited Airlines
Fri 21/209:20SEA - BNE
1 stop28h 10mUnited Airlines
Deal found 10/2$1,375
Wed 5/311:50SYD - PDX
1 stop25h 00mAmerican Airlines
Thu 6/306:00PDX - SYD
1 stop30h 25mAmerican Airlines
Deal found 10/2$1,407
Mon 10/312:00MEL - SEA
1 stop24h 56mQantas Airways
Mon 17/315:58SEA - MEL
1 stop21h 37mQantas Airways
Deal found 10/2$1,442

Find flights from Australia to Washington within your budget

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 12 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 11/3

14:00-19:59

2 stops23h 59m

Seattle/Tacoma Intl

Tue 18/3

15:02-21:50

2 stops36h 48m

$1,175

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 11/3

10:30-09:50

1 stop17h 20m

Seattle/Tacoma Intl

Tue 18/3

15:05-08:35

1 stop23h 30m

$1,272

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 12/3

10:25-09:34

1 stop17h 09m

Portland

Tue 18/3

19:05-08:35

1 stop19h 30m

$1,284

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 20/3

10:40-18:35

1 stop24h 55m

Portland

Thu 27/3

06:00-06:30

1 stop31h 30m

$1,342

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 14/7

20:30-13:01

2 stops33h 31m

Seattle/Tacoma Intl

Mon 18/8

19:15-11:35

2 stops23h 20m

$1,362

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 10/3

07:10-14:30

2 stops25h 20m

Seattle/Tacoma Intl

Mon 17/3

19:05-15:45

2 stops26h 40m

$1,374

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 12/3

07:15-14:44

2 stops25h 29m

Portland

Wed 19/3

19:05-17:50

2 stops28h 45m

$1,375

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 5/3

11:50-17:50

1 stop25h 00m

Portland

Thu 6/3

06:00-07:25

1 stop30h 25m

$1,407

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 10/3

12:00-18:56

1 stop24h 56m

Seattle/Tacoma Intl

Mon 17/3

15:58-07:35

1 stop21h 37m

$1,442

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 9/3

10:20-18:10

1 stop26h 50m

Seattle/Tacoma Intl

Sun 16/3

23:35-08:35

1 stop39h 00m

$1,455

Flights are sorted by cheapest return flights first.

Deals found on 9/2

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.

Travel insights for flights from Australia to Washington

Get recent, data-driven insights about flights from Australia to Washington including ideal travel times, pricing trends, and more.

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 $1,489). 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 12 February 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 12 February 2025.
See what other customers who have flown with Air Tahiti Nui, EVA Air and ANA 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.

Crew

9.1

Comfort

8.0

Food

7.8

Entertainment

7.2

Overall

8.7

Boarding

8.7

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.

Crew

9.1

Comfort