Cheap flights from Washington to Brisbane from $675

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Washington to Brisbane

Keep the following information in mind while searching for Washington to Brisbane flight deals. Data was last updated 15 September 2025.

Round-trip from

$1,363

One-way from

$675

Popular in

December

Cheapest in

February

Average price

$1,898
Philippine Airlines
  • Philippine Airlines
  • 29/10-5/11
  • 2 total stops
  • 68h 10m total
  • Washington to Brisbane
Air Canada
  • Air Canada
  • 10/11
  • 1 total stop
  • 23h 05m total
  • Washington to Brisbane
Highest demand for flights based on searches. 5% potential increase in price ($155 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($108 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Washington to Brisbane

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 15 September 2025.

Wed 29/1022:30SEA - BNE
1 stop42h 35mPhilippine Airlines
Wed 5/1111:05BNE - SEA
1 stop25h 35mPhilippine Airlines
Deal found 14/9$1,363
Mon 10/1110:05SEA - BNE
1 stop28h 40mAir Canada
Fri 21/1110:45BNE - SEA
1 stop21h 46mAir Canada
Deal found 14/9$1,450
Wed 29/1010:05SEA - BNE
1 stop28h 40mMultiple Airlines
Wed 5/1106:10BNE - SEA
2 stops21h 21mMultiple Airlines
Deal found 14/9$1,456
Thu 25/1205:00PDX - BNE
2 stops32h 30mUnited Airlines
Fri 16/111:40BNE - PDX
2 stops24h 30mUnited Airlines
Deal found 14/9$1,460
Mon 17/1105:50SEA - BNE
1 stop32h 55mAir Canada
Tue 2/1210:45BNE - SEA
1 stop16h 46mAir Canada
Deal found 15/9$1,465
Tue 18/1120:00SEA - BNE
1 stop18h 45mMultiple Airlines
Wed 3/1219:40BNE - SEA
1 stop17h 50mMultiple Airlines
Deal found 15/9$1,466
Thu 23/1017:15PDX - BNE
1 stop20h 15mUnited Airlines
Fri 31/1010:40BNE - PDX
1 stop26h 58mUnited Airlines
Deal found 13/9$1,468
Thu 30/1012:45GEG - BNE
1 stop24h 45mUnited Airlines
Thu 6/1111:40BNE - GEG
1 stop17h 02mUnited Airlines
Deal found 14/9$1,468
Tue 11/1120:00SEA - BNE
2 stops23h 25mMultiple Airlines
Tue 2/1210:45BNE - SEA
1 stop21h 46mMultiple Airlines
Deal found 14/9$1,483
Wed 24/1214:35PDX - BNE
2 stops46h 55mUnited Airlines
Sat 17/111:40BNE - PDX
1 stop18h 53mUnited Airlines
Deal found 14/9$1,501
Fri 31/1010:05PDX - BNE
1 stop27h 25mUnited Airlines
Mon 10/1111:40BNE - PDX
1 stop24h 56mUnited Airlines
Deal found 13/9$1,535
Sat 18/1012:00SEA - BNE
2 stops40h 30mMultiple Airlines
Fri 24/1010:00BNE - SEA
1 stop29h 31mMultiple Airlines
Deal found 13/9$1,537

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 15 September 2025.
Use the filters below to find and compare flights from Washington to Brisbane that are best for you.

Fly from

Washington

Fly to

Brisbane

Route

Depart

Return

Price

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 25/12

07:30-07:30

1 stop30h 00m

Brisbane

Fri 16/1

11:40-00:43

1 stop31h 03m

$1,460

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 25/12

05:00-07:30

2 stops32h 30m

Brisbane

Sat 17/1

11:40-00:43

1 stop31h 03m

$1,460

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 21/2

15:50-07:30

1 stop21h 40m

Brisbane

Sat 14/3

10:40-12:27

1 stop18h 47m

$1,468

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 14/2

13:32-07:30

1 stop23h 58m

Brisbane

Sat 21/2

11:40-18:47

1 stop25h 07m

$1,468

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 23/10

15:50-06:30

1 stop21h 40m

Brisbane

Fri 31/10

10:40-20:38

1 stop26h 58m

$1,468

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Thu 30/10

12:45-06:30

1 stop24h 45m

Brisbane

Thu 6/11

11:40-10:42

1 stop17h 02m

$1,468

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Tue 17/2

12:38-07:30

1 stop24h 52m

Brisbane

Thu 19/3

10:40-13:09

1 stop19h 29m

$1,535

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 6/2

15:35-17:25

2 stops31h 50m

Brisbane

Wed 4/3

06:10-14:16

2 stops26h 06m

$1,558

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 19/11

16:30-09:40

2 stops23h 10m

Brisbane

Wed 3/12

12:55-17:28

2 stops22h 33m

$1,571

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 27/2

15:50-08:50

2 stops23h 00m

Brisbane

Wed 11/3

12:55-18:49

2 stops22h 54m

$1,571

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 38 results
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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, May is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $160). Flying from State of Washington to Brisbane in September is currently the most expensive (average of $208). 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 WA to BNE?

Find hourly flight availability from Washington to Brisbane. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Brisbane as you normally would.

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 10m. United Airlines provides one of the quickest options available for as low as $1,571. There are 11822 km between State of Washington and Brisbane. This flight may include one or multiple stops.

  • What are the most popular routes from State of Washington to 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, May is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $160). Flying from State of Washington to Brisbane in September is currently the most expensive (average of $208). 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
Caboolture
Redcliffe
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Washington to Brisbane

Discover the top 2 airlines 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,400Average$1,829FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,514Average$1,782FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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.

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