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Cheap flights from Washington to Brisbane from $699

SEA — BNE
17 Oct — 24 Oct1
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

Sat 31/1010:05 -
1 stop29h 40m
Sat 7/1110:45 -
1 stop25h 46m
Deal found 15/9$1,258
Tue 20/1010:10 -
1 stop27h 55m
Tue 3/1110:45 -
1 stop16h 41m
Deal found 16/9$1,293
Sun 1/1119:15 -
1 stop19h 30m
Sun 8/1110:45 -
1 stop21h 56m
Deal found 17/9$1,296
Sun 8/1119:05 -
1 stop19h 40m
Sun 22/1110:45 -
1 stop16h 47m
Deal found 14/9$1,320
Tue 20/1015:30 -
1 stop22h 35m
Tue 3/1106:10 -
2 stops21h 16m
Deal found 17/9$1,322
Sun 1/1119:15 -
1 stop19h 30m
Sun 8/1106:10 -
2 stops21h 16m
Deal found 17/9$1,326
Sat 24/1015:00 -
1 stop23h 45m
Sat 31/1009:45 -
1 stop25h 37m
Deal found 12/9$1,329
Tue 22/915:30 -
1 stop22h 35m
Tue 20/1010:00 -
1 stop21h 46m
Deal found 14/9$1,347
Sun 8/1110:10 -
1 stop28h 35m
Sun 22/1106:05 -
2 stops21h 27m
Deal found 14/9$1,350
Mon 2/1119:15 -
2 stops24h 10m
Mon 16/1106:05 -
2 stops21h 21m
Deal found 16/9$1,351
Fri 13/1110:10 -
1 stop28h 35m
Tue 17/1110:45 -
1 stop25h 37m
Deal found 13/9$1,379
Fri 13/1115:15 -
1 stop23h 30m
Tue 17/1106:05 -
2 stops21h 27m
Deal found 16/9$1,406

Find flight deals from Washington to Brisbane

Round-trip from

$1,258

One-way from

$699

Popular in

December

Cheapest in

February

Average price

$1,772
Air Canada
  • Air Canada
  • 31/10-7/11
  • 2 total stops
  • 55h 26m total
  • Washington to Brisbane
Search Deals
30/10-31/12
  • 30/10-31/12
  • 1 total stop
  • 40h 41m 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 ($89 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Wed 20/1

09:30-08:30

1 stop29h 00m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$817

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Fri 20/11

19:10-08:45

1 stop19h 35m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$861

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Sat 5/12

11:13-05:50

2 stops24h 37m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$879

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Wed 2/12

08:10-05:50

2 stops27h 40m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$881

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Thu 3/12

07:30-06:30

1 stop29h 00m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$889

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Fri 25/12

13:18-07:30

1 stop24h 12m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$903

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 8/12

14:53-10:15

2 stops25h 22m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$909

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Sat 26/12

19:10-07:30

2 stops42h 20m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$911

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Thu 3/12

17:40-08:30

2 stops44h 50m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$918

SeattleBrisbane

SEA Seattle/Tacoma Intl - BNE Brisbane

SEABNE

Seattle/Tacoma Intl

Sun 17/1

10:45-09:30

2 stops52h 45m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$937

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 38 resultsSorted by cheapest first
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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

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 $1,263). Flying from State of Washington to Brisbane in December is currently the most expensive (average of $2,420). 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 $1,645 and $1,913 in February.
The cheapest return price found within the last 5 days was $1,312 on Multiple Airlines (10 Feb–14 Feb).

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

  • 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 45m. Air Canada provides one of the quickest options available for as low as $1,329. There are 11822 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 $604. United Airlines flights start at $624 while deals on Qantas Airways start at $639 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 $1,263). Flying from State of Washington to Brisbane in December is currently the most expensive (average of $2,420). 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?

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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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