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Cheap flights from Washington to Brisbane from $648

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
25 Feb — 4 Mar1
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 26 January 2026.

Fri 20/215:40
SEA
-
BNE
1 stop23h 05m
Multiple Airlines
Sun 1/318:30
BNE
-
SEA
2 stops33h 01m
Multiple Airlines
Deal found 23/1$1,248
Wed 8/420:00
SEA
-
BNE
1 stop18h 05m
Air Canada
Sun 3/510:00
BNE
-
SEA
1 stop25h 30m
Air Canada
Deal found 23/1$1,313
Sun 3/510:10
PDX
-
BNE
1 stop27h 55m
Air Canada
Sun 17/510:00
BNE
-
PDX
1 stop21h 45m
Air Canada
Deal found 24/1$1,314
Thu 23/417:06
SEA
-
BNE
2 stops24h 19m
Multiple Airlines
Thu 14/511:40
BNE
-
SEA
2 stops29h 02m
Multiple Airlines
Deal found 24/1$1,324
Wed 5/823:10
SEA
-
BNE
1 stop41h 55m
Philippine Airlines
Wed 12/811:20
BNE
-
SEA
1 stop25h 45m
Philippine Airlines
Deal found 25/1$1,346
Wed 8/420:00
SEA
-
BNE
2 stops25h 30m
Multiple Airlines
Sun 3/510:00
BNE
-
SEA
1 stop21h 20m
Multiple Airlines
Deal found 23/1$1,355
Sun 3/519:45
PDX
-
BNE
2 stops25h 45m
Multiple Airlines
Sun 17/510:00
BNE
-
PDX
1 stop26h 05m
Multiple Airlines
Deal found 24/1$1,356
Thu 6/823:10
SEA
-
BNE
1 stop41h 55m
Philippine Airlines
Wed 12/811:20
BNE
-
SEA
1 stop25h 45m
Philippine Airlines
Deal found 25/1$1,358
Sat 31/1015:15
PDX
-
BNE
1 stop23h 30m
Air Canada
Sun 8/1110:45
BNE
-
PDX
1 stop25h 45m
Air Canada
Deal found 24/1$1,375
Sat 18/415:40
SEA
-
BNE
1 stop22h 25m
Air Canada
Sun 3/510:00
BNE
-
SEA
1 stop16h 15m
Air Canada
Deal found 25/1$1,375
Mon 6/417:49
PDX
-
BNE
1 stop18h 11m
Multiple Airlines
Fri 17/420:35
BNE
-
PDX
1 stop20h 23m
Multiple Airlines
Deal found 24/1$1,384
Thu 29/114:57
PDX
-
BNE
1 stop20h 03m
Multiple Airlines
Sat 31/119:40
BNE
-
PDX
1 stop31h 55m
Multiple Airlines
Deal found 26/1$1,385

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 26 January 2026.

Round-trip from

$1,248

One-way from

$648

Popular in

December

Cheapest in

February

Average price

$1,447
20/2-1/3
  • 20/2-1/3
  • 3 total stops
  • 56h 06m total
  • Washington to Brisbane
Search Deals
5/5
  • 5/5
  • 2 total stops
  • 30h 43m total
  • Washington to Brisbane
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($108 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($89 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 26 January 2026.
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

Wed 13/5

19:45-07:05

1 stop18h 20m

Brisbane

Wed 27/5

10:00-14:45

1 stop21h 45m

$1,314

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 3/5

10:10-07:05

1 stop27h 55m

Brisbane

Sun 17/5

10:00-14:45

1 stop21h 45m

$1,314

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 5/5

19:45-07:05

1 stop18h 20m

Brisbane

Tue 19/5

10:00-14:45

1 stop21h 45m

$1,314

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 3/5

19:45-14:30

2 stops25h 45m

Brisbane

Sun 17/5

10:00-19:05

1 stop26h 05m

$1,356

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 5/5

19:45-12:00

2 stops23h 15m

Brisbane

Tue 19/5

10:00-19:05

1 stop26h 05m

$1,356

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 6/4

17:49-05:00

1 stop18h 11m

Brisbane

Fri 17/4

20:35-23:58

1 stop20h 23m

$1,384

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Thu 26/2

19:30-08:20

2 stops42h 50m

Brisbane

Fri 6/3

10:40-21:18

1 stop28h 38m

$1,417

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 18/4

20:00-12:00

2 stops23h 00m

Brisbane

Tue 5/5

10:00-09:15

1 stop16h 15m

$1,417

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Wed 25/2

13:20-08:20

2 stops25h 00m

Brisbane

Sun 22/3

09:40-21:06

2 stops28h 26m

$1,430

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 20/2

15:50-05:00

1 stop19h 10m

Brisbane

Sun 1/3

17:10-18:57

1 stop19h 47m

$1,452

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 42 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, January is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $643). Flying from State of Washington to Brisbane in September is currently the most expensive (average of $1,547). 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.

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 18h 20m. Air Canada provides one of the quickest options available for as low as $1,314. 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 $623. United Airlines flights start at $644 while deals on Qantas Airways start at $967 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, January is the cheapest month in which you can book a flight from State of Washington to Brisbane (average of $643). Flying from State of Washington to Brisbane in September is currently the most expensive (average of $1,547). 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

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Alternative routes for Washington to Brisbane

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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 26 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$626Average$1,708FlexibilityNo 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.

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