Find flights
When to book
FAQs

Cheap flights from Washington to Brisbane from $804

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Brisbane

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Brisbane
Explore the most affordable flight options available from Washington to Brisbane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Mon 28/915:00 -
1 stop23h 05m
Mon 5/1010:00 -
1 stop21h 22m
Deal found 13/8$1,345
Mon 31/815:30 -
1 stop22h 35m
Wed 18/1110:45 -
1 stop25h 46m
Deal found 11/8$1,360
Mon 14/910:50 -
1 stop27h 15m
Tue 22/910:15 -
1 stop16h 50m
Deal found 12/8$1,366
Tue 15/915:30 -
1 stop22h 35m
Tue 6/1010:00 -
1 stop16h 31m
Deal found 10/8$1,375
Tue 11/815:00 -
1 stop23h 05m
Wed 26/810:00 -
1 stop17h 05m
Deal found 9/8$1,392
Sun 23/815:00 -
1 stop23h 05m
Tue 8/910:15 -
1 stop25h 17m
Deal found 11/8$1,397
Mon 31/815:30 -
1 stop22h 35m
Wed 18/1106:10 -
2 stops21h 16m
Deal found 10/8$1,402
Tue 20/1015:30 -
1 stop22h 35m
Tue 3/1106:10 -
2 stops21h 16m
Deal found 14/8$1,403
Sun 25/1022:55 -
1 stop39h 50m
Wed 18/1110:45 -
1 stop16h 42m
Deal found 9/8$1,406
Mon 21/919:45 -
1 stop18h 20m
Wed 21/1005:05 -
2 stops31h 01m
Deal found 12/8$1,409
Tue 25/815:30 -
1 stop22h 35m
Sun 30/810:00 -
1 stop26h 11m
Deal found 12/8$1,413
Tue 15/915:30 -
1 stop22h 35m
Thu 8/1010:00 -
1 stop16h 31m
Deal found 10/8$1,427

Find flight deals from Washington to Brisbane

Keep the following information in mind while searching for Washington to Brisbane flight deals. Data was last updated 14 August 2026.

Round-trip from

$1,345

One-way from

$804

Popular in

December

Cheapest in

February

Average price

$1,852
Air Canada
  • Air Canada
  • 28/9-5/10
  • 2 total stops
  • 44h 27m total
  • Washington to Brisbane
Search Deals
27/11
  • 27/11
  • 1 total stop
  • 24h 20m total
  • Washington to Brisbane
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($151 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($91 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington to Brisbane 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 14 August 2026.
Use the filters below to find and compare flights from Washington to Brisbane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Thu 10/9

19:45-07:30

2 stops42h 45m

Brisbane

Sun 27/9

10:00-19:11

1 stop26h 11m

$1,513

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 23/1

13:39-07:30

1 stop23h 51m

Brisbane

Sun 23/5

10:30-18:31

1 stop25h 01m

$1,597

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 21/9

12:45-06:30

2 stops24h 45m

Brisbane

Wed 21/10

10:30-17:46

2 stops24h 16m

$1,603

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 23/1

13:39-07:30

1 stop23h 51m

Brisbane

Sun 18/4

10:30-22:38

2 stops29h 08m

$1,603

SpokaneBrisbane

GEG Spokane - BNE Brisbane

GEGBNE

Spokane

Sun 25/10

19:23-07:30

2 stops43h 07m

Brisbane

Sun 15/11

10:40-15:48

1 stop23h 08m

$1,617

SpokaneBrisbane

GEG Spokane - BNE Brisbane

GEGBNE

Spokane

Sun 25/10

19:23-07:30

2 stops43h 07m

Brisbane

Wed 18/11

10:40-15:48

1 stop23h 08m

$1,617

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Thu 10/9

10:33-05:00

1 stop25h 27m

Brisbane

Sun 27/9

20:35-09:25

1 stop29h 50m

$1,644

SpokaneBrisbane

GEG Spokane - BNE Brisbane

GEGBNE

Spokane

Tue 27/10

14:51-05:50

1 stop21h 59m

Brisbane

Thu 19/11

09:40-20:45

1 stop29h 05m

$1,664

SpokaneBrisbane

GEG Spokane - BNE Brisbane

GEGBNE

Spokane

Tue 27/10

14:51-05:50

1 stop21h 59m

Brisbane

Tue 17/11

09:40-20:40

1 stop29h 00m

$1,664

SpokaneBrisbane

GEG Spokane - BNE Brisbane

GEGBNE

Spokane

Tue 27/10

14:51-05:50

1 stop21h 59m

Brisbane

Sun 15/11

09:40-20:40

1 stop29h 00m

$1,664

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 37 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Washington to Brisbane

Have a flexible travel schedule? Discover the best time to fly to Brisbane from Washington 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 Washington to Brisbane

What is the cheapest month to book a flight from State of Washington to Brisbane?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $1,334). Flying from State of Washington to Brisbane in December is currently the most expensive (average of $2,401). 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.

How much does it cost for a return flight from State of Washington to Brisbane?

Airfare is below average for this route at the moment.
State of Washington to Brisbane flights typically cost between $1,733 and $1,963 in September.
The cheapest return price found within the last 5 days was $1,345 on Air Canada (28 Sept–5 Oct).

How far ahead should I book a flight from State of Washington to Brisbane?

The price you pay for your flight from State of Washington to Brisbane may vary depending on when you book. For the best chance of a lower fare, look to book 2 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Washington to Brisbane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Brisbane from Washington?

    Brisbane (BNE) is the airport you will fly into if you book a flight from Washington to Brisbane. It is only a 12.3 km journey from Brisbane (BNE) to Brisbane’s city centre.

  • How long is the flight from State of Washington to Brisbane?

    A quick flight from State of Washington to Brisbane can take about 23h 51m. Air Canada provides one of the quickest options available for as low as $1,597. There are 11719 km between State of Washington and Brisbane. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Brisbane one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $609. United Airlines flights start at $630 while deals on Qantas Airways start at $645 one-way.

  • What are the most popular routes from State of Washington to Brisbane?

    The most popular route from State of Washington to Brisbane is Seattle/Tacoma Intl - Brisbane. You may also consider Portland - Brisbane or Spokane - Brisbane.

  • Can I find deals for flights from Washington to Brisbane that include hotel bookings?

    Yes. In addition to deals on Washington to Brisbane flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington to Brisbane?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Brisbane.

  • Can I find deals for business class flights from Washington to Brisbane?

    Yes. Cheapflights offers flight deals from Washington to Brisbane 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 State of Washington to Brisbane?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $1,334). Flying from State of Washington to Brisbane in December is currently the most expensive (average of $2,401). 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

Travelling to a place near Brisbane?

Book flights to Brisbane if you plan to visit one of these locations
Redcliffe
Ipswich
Caboolture

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.

Top airline flying from Washington to Brisbane

Discover the top airline that operate flights from Washington to Brisbane. 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 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$612Average$1,746FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Washington to Brisbane?

Deals for Washington to Brisbane flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Washington to Brisbane?

Cheapflights simply makes it quick and affordable to book flights from Washington to Brisbane by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington to Brisbane with no change fees?

Certainly. Search results for flights to Brisbane from Washington 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 Washington to Brisbane become cheaper?

Yes! Start tracking prices for Washington to Brisbane flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your 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.