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$405+ Cheap flights from Washington to Brisbane (BNE)

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:45 pmPDX - BNE
1 stop17h 45mUnited Airlines
Tue 12/3011:40 amBNE - PDX
1 stop25h 08mUnited Airlines
Deal found 12/16$951
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:55 pmPDX - BNE
1 stop18h 25mDelta
Sun 1/1110:40 amBNE - PDX
1 stop20h 55mDelta
Deal found 12/17$964
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:05 amGEG - BNE
2 stops32h 25mUnited Airlines
Thu 1/111:40 amBNE - GEG
2 stops45h 39mUnited Airlines
Deal found 12/17$1,058
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:53 pmSEA - BNE
1 stop19h 37mUnited Airlines
Tue 12/2311:40 amBNE - SEA
1 stop18h 47mUnited Airlines
Deal found 12/17$1,123
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:45 pmPDX - BNE
1 stop17h 45mUnited Airlines
Sun 1/1111:40 amBNE - PDX
1 stop18h 54mUnited Airlines
Deal found 12/16$1,144
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:35 pmSEA - BNE
1 stop23h 55mUnited Airlines
Tue 12/3011:40 amBNE - SEA
1 stop23h 12mUnited Airlines
Deal found 12/16$1,144
This Justfly.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:20 amPDX - BNE
1 stop29h 25mQantas Airways
Wed 1/77:50 pmBNE - PDX
2 stops40h 02mQantas Airways
Deal found 12/17$1,334
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:10 pmPDX - BNE
2 stops43h 10mDelta
Wed 1/711:05 amBNE - PDX
2 stops27h 54mDelta
Deal found 12/16$1,352
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:53 pmSEA - BNE
1 stop19h 37mUnited Airlines
Sat 1/311:40 amBNE - SEA
2 stops40h 16mUnited Airlines
Deal found 12/16$1,414
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:35 pmSEA - BNE
1 stop23h 55mUnited Airlines
Sat 1/311:40 amBNE - SEA
2 stops40h 16mUnited Airlines
Deal found 12/17$1,436
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:35 pmSEA - BNE
1 stop23h 55mUnited Airlines
Fri 1/211:40 amBNE - SEA
1 stop31h 19mUnited Airlines
Deal found 12/16$1,509
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:45 pmPDX - BNE
1 stop17h 45mUnited Airlines
Wed 1/711:40 amBNE - PDX
1 stop21h 08mUnited Airlines
Deal found 12/17$1,884

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 December 18, 2025.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$796
(Air Canada)

One-way from

$405
(Priceline)

Popular in

December

Cheapest in

February

Average price

$1,686
Provider with most accurate pricing for Seattle/Tacoma Intl-Brisbane flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Brisbane flights.
Search Deals
From Washington to Brisbane
Search Deals
One-way flight from Washington to Brisbane
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 18, 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 3/5

7:05 pm-8:45 am

1 stop19h 40m

Brisbane

Thu 3/19

9:45 am-2:40 pm

1 stop21h 55m

$796

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 2/1

7:05 pm-8:45 am

1 stop19h 40m

Brisbane

Sun 2/8

10:45 am-9:15 am

1 stop16h 30m

$796

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 3/31

8:00 pm-7:05 am

1 stop18h 05m

Brisbane

Tue 4/7

10:00 am-9:33 am

1 stop16h 33m

$796

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 1/30

8:00 pm-8:45 am

1 stop18h 45m

Brisbane

Fri 2/6

10:45 am-10:06 pm

1 stop29h 21m

$827

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 2/20

9:55 am-4:55 pm

2 stops37h 00m

Brisbane

Sun 3/1

10:45 am-9:31 am

1 stop16h 46m

$829

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 1/17

3:40 pm-8:45 am

1 stop23h 05m

Brisbane

Thu 1/29

10:45 am-9:15 am

1 stop16h 30m

$833

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 1/20

7:00 pm-8:45 am

1 stop19h 45m

Brisbane

Sat 1/31

10:45 am-9:15 am

1 stop16h 30m

$834

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Thu 2/19

6:01 am-5:00 am

1 stop28h 59m

Brisbane

Wed 3/4

7:40 pm-10:46 pm

1 stop21h 06m

$846

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 1/30

8:00 pm-4:55 pm

2 stops26h 55m

Brisbane

Fri 2/6

6:10 am-9:15 am

2 stops21h 05m

$847

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 2/14

9:50 am-8:45 am

1 stop28h 55m

Brisbane

Wed 2/18

10:45 am-9:15 am

1 stop16h 30m

$857

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 47 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 round-trip 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, June is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $647). Flying from State of Washington to Brisbane in October is currently the most expensive (average of $1,106). 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 December 18, 2025.

When flying from State of Washington to Brisbane, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 31% versus a flight in the morning.

What is the cheapest day to fly from State of Washington to Brisbane?

Use this chart to determine the cheapest time to fly round-trip from Washington to Brisbane. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Brisbane flight should consider departing on Friday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    If you book a flight to Brisbane from Washington, you will be flying to Brisbane, which is the city’s only airport. Brisbane (BNE) is located 7.7 mi from the center of Brisbane.

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

    Airlines like Air Canada, American Airlines, and Qantas Airways fly from State of Washington to Brisbane in about 19h 40m. The time it takes to get you to your destination can typically vary by up to 9h 19m. There are 7282 mi between State of Washington and Brisbane. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from State of Washington to Brisbane are Air Canada ($431), United Airlines ($444), and Qantas Airways ($497).

  • 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 vacation 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, June is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $647). Flying from State of Washington to Brisbane in October is currently the most expensive (average of $1,106). 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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Top 3 airlines flying from Washington to Brisbane

Discover the top 3 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$850Average$1,197FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$863Average$1,288FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,055Average$1,583FlexibilityNo cancel feeOn-time74%

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