Find flights
When to book
Airlines
FAQs

Cheap flights from Australia to Washington from $643

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
20 Dec — 27 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 20 November 2025.

Fri 5/1210:45BNE - SEA
1 stop16h 46mAir Canada
Thu 11/1205:50SEA - BNE
1 stop32h 55mAir Canada
Deal found 18/11$1,050
Sat 6/1219:40BNE - SEA
2 stops35h 21mAmerican Airlines
Wed 10/1206:05SEA - BNE
1 stop28h 55mAmerican Airlines
Deal found 18/11$1,064
Tue 9/1212:10BNE - SEA
2 stops39h 32mAmerican Airlines
Sat 13/1206:25SEA - BNE
1 stop28h 35mAmerican Airlines
Deal found 18/11$1,066
Tue 9/1212:10BNE - SEA
2 stops40h 33mAmerican Airlines
Mon 22/1219:13SEA - BNE
1 stop40h 32mAmerican Airlines
Deal found 18/11$1,067
Thu 4/1211:40BNE - SEA
2 stops28h 06mUnited Airlines
Mon 8/1217:11SEA - BNE
1 stop20h 19mUnited Airlines
Deal found 19/11$1,075
Wed 3/1211:05BNE - SEA
2 stops23h 49mDelta
Wed 10/1205:25SEA - BNE
2 stops32h 55mDelta
Deal found 18/11$1,080
Fri 5/1210:45BNE - SEA
1 stop21h 46mAir Canada
Sun 14/1220:00SEA - BNE
2 stops25h 30mAir Canada
Deal found 18/11$1,087
Sun 7/1207:15BNE - SEA
2 stops29h 05mAmerican Airlines
Wed 10/1208:30SEA - BNE
2 stops26h 30mAmerican Airlines
Deal found 18/11$1,112
Mon 8/1209:45BNE - SEA
2 stops30h 40mAmerican Airlines
Mon 15/1220:31SEA - BNE
2 stops39h 14mAmerican Airlines
Deal found 18/11$1,114
Wed 3/1206:35BNE - SEA
2 stops20h 56mAir Canada
Sun 14/1220:00SEA - BNE
2 stops25h 30mAir Canada
Deal found 18/11$1,123
Tue 2/1211:10BNE - SEA
2 stops40h 21mAir Canada
Sun 14/1205:50SEA - BNE
1 stop32h 55mAir Canada
Deal found 18/11$1,135
Sun 23/1112:10MEL - SEA
2 stops29h 20mAir New Zealand
Sun 30/1115:40SEA - MEL
2 stops22h 45mAir New Zealand
Deal found 18/11$1,430

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 20 November 2025.

Round-trip from

$1,050

One-way from

$643

Popular in

July

Cheapest in

August

Average price

$1,629
Air Canada
  • Air Canada
  • 5/12-11/12
  • 2 total stops
  • 49h 41m total
  • Australia to Washington
Search Deals
United Airlines
  • United Airlines
  • 13/12
  • 1 total stop
  • 24h 48m total
  • Australia to Washington
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($59 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 20 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

11:40-18:25

2 stops24h 45m

Seattle/Tacoma Intl

Mon 8/12

12:35-07:30

2 stops24h 55m

$1,075

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 3/12

11:05-16:54

2 stops23h 49m

Seattle/Tacoma Intl

Wed 10/12

05:25-08:20

2 stops32h 55m

$1,080

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 2/12

11:40-21:00

1 stop27h 20m

Seattle/Tacoma Intl

Tue 9/12

13:05-07:30

1 stop24h 25m

$1,080

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 5/12

10:40-16:54

2 stops24h 14m

Seattle/Tacoma Intl

Wed 10/12

09:30-08:20

2 stops28h 50m

$1,080

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 17/1

11:40-21:12

1 stop27h 32m

Seattle/Tacoma Intl

Fri 30/1

17:10-07:30

1 stop20h 20m

$1,080

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 5/12

11:40-12:18

1 stop18h 38m

Seattle/Tacoma Intl

Tue 9/12

08:40-07:30

2 stops28h 50m

$1,080

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 31/1

08:10-09:31

2 stops20h 21m

Seattle/Tacoma Intl

Tue 30/6

14:55-14:10

2 stops30h 15m

$1,288

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Fri 8/5

06:00-22:56

2 stops33h 56m

Portland

Tue 12/5

19:40-11:35

2 stops22h 55m

$1,384

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 5/3

08:10-09:31

2 stops20h 21m

Seattle/Tacoma Intl

Mon 9/3

10:05-13:05

2 stops33h 00m

$1,387

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 11/3

10:20-19:40

1 stop27h 20m

Seattle/Tacoma Intl

Sun 15/3

22:30-08:35

1 stop40h 05m

$1,428

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 60 results
1
2
3
...
6

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 $946). Flying from Australia to State of Washington in January is currently the most expensive (average of $1,271). 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 20 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 20 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
1,407 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.3

Food

7.7

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
1,407 reviews
Singapore Airlines
8.1
Very Good
1,407 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.3

Food

7.7

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
1,407 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.3

Food

7.7

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
942 reviews
Singapore Airlines
8.1
Very Good
1,407 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.3

Food

7.7

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
9,023 reviews
Singapore Airlines
8.1
Very Good
1,407 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.3

Food

7.7

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
10,462 reviews
Singapore Airlines
8.1
Very Good
1,407 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.3

Food

7.7

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 24h 45m. The distance from Australia to State of Washington is about 11822 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 United Airlines ($643), American Airlines ($773), and Qantas Airways ($774).

  • 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 $946). Flying from Australia to State of Washington in January is currently the most expensive (average of $1,271). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Los Angeles flights
Melbourne to Los Angeles flights
Sydney to Dallas/Fort Worth flights
Sydney to John F Kennedy Intl flights
Sydney to Newark flights
Melbourne to San Francisco flights
Sydney to LaGuardia flights
Brisbane to Los Angeles flights
Perth to John F Kennedy Intl flights
Sydney to San Francisco flights
Perth to LaGuardia flights
Sydney to Honolulu flights
Melbourne to John F Kennedy Intl flights
Perth to Newark flights
Melbourne to Seattle flights
Sydney to Hobby flights
Melbourne to Hobby flights
Sydney to Las Vegas flights
Brisbane to Dallas/Fort Worth flights
Melbourne to Newark flights
Sydney to Ontario flights
Melbourne to LaGuardia flights
Melbourne to Dallas/Fort Worth flights
Sydney to George Bush Intcntl flights
Brisbane to John F Kennedy Intl flights
Melbourne to Dulles Intl flights
Brisbane to Newark flights
Melbourne to Honolulu flights
Sydney to Seattle flights
Brisbane to LaGuardia flights
Melbourne to George Bush Intcntl flights
Brisbane to Ontario flights
Avalon to Honolulu flights
Perth to Los Angeles flights
Melbourne to O'Hare Intl flights
Sydney to Long Beach flights
Brisbane to Minneapolis flights
Sydney to O'Hare Intl flights
Brisbane to San Francisco flights
Melbourne to Baltimore flights
Sydney to Miami flights
Brisbane to Honolulu flights
Sydney to Boston flights
Brisbane to Orlando flights
Melbourne to Fort Lauderdale flights

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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$946Average$1,570FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,003Average$1,403FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$1,017Average$1,712FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,159Average$2,143FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Alaska AirlinesCheapest$1,162Average$1,791FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$1,171Average$2,144FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,179Average$1,573FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,224Average$1,838FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Hawaiian AirlinesCheapest$1,252Average$1,869FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Philippine AirlinesCheapest$1,272Average$1,513FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.