HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brisbane

$431+ Cheap flights from Seattle (SEA) 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Brisbane with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Brisbane are usually found in February or March, booked 77 days in advance, depart on a Sunday or Tuesday and return on a Thursday

Cheap flight deals from Seattle to Brisbane

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Brisbane (BNE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$923
(oojo)

One-way from

$431
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,265
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 Seattle/Tacoma Intl to Brisbane
Search Deals
One-way flight from Seattle/Tacoma Intl to Brisbane
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Seattle to Brisbane

Cheapest flights from Seattle to Brisbane
Explore the most affordable flight options available from Seattle to Brisbane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This Air Canada deal was found by Cheapflights users on 9/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:00 pmSEA - BNE
1 stop18h 45mAir Canada
Tue 11/256:35 amBNE - SEA
2 stops25h 56mAir Canada
Deal found 9/27$935
This Qantas Airways deal was found by Cheapflights users on 9/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:30 pmSEA - BNE
2 stops23h 10mMultiple Airlines
Fri 11/217:40 pmBNE - SEA
1 stop19h 43mMultiple Airlines
Deal found 9/27$1,090
This Gurufare deal was found by Cheapflights users on 9/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:30 pmSEA - BNE
2 stops23h 10mQantas Airways
Fri 11/217:50 pmBNE - SEA
2 stops44h 34mQantas Airways
Deal found 9/27$1,106
This Gurufare deal was found by Cheapflights users on 9/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:59 pmSEA - BNE
2 stops25h 11mQantas Airways
Sun 12/287:50 pmBNE - SEA
2 stops40h 53mQantas Airways
Deal found 9/27$1,141
This Gurufare deal was found by Cheapflights users on 9/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:25 amSEA - BNE
2 stops34h 40mQantas Airways
Sun 12/287:50 pmBNE - SEA
2 stops40h 53mQantas Airways
Deal found 9/27$1,149
This oojo deal was found by Cheapflights users on 9/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:10 pmSEA - BNE
2 stops40h 45mMultiple Airlines
Tue 11/258:20 amBNE - SEA
2 stops45h 19mMultiple Airlines
Deal found 9/29$1,231
This Jetabroad deal was found by Cheapflights users on 9/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:30 pmSEA - BNE
1 stop22h 30mMultiple Airlines
Sun 12/287:50 pmBNE - SEA
2 stops40h 53mMultiple Airlines
Deal found 9/27$1,239
This FlightHub deal was found by Cheapflights users on 9/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:41 pmSEA - BNE
2 stops24h 19mAir New Zealand
Tue 12/28:20 amBNE - SEA
2 stops31h 46mAir New Zealand
Deal found 9/27$1,247

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 September 29, 2025.
Use the filters below to find and compare flights from Seattle to Brisbane that are best for you.

Fly from

Seattle

Fly to

Brisbane

Route

Depart

Return

Price

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 11/15

8:00 pm-8:45 am

1 stop18h 45m

Brisbane

Tue 11/25

6:35 am-2:31 pm

2 stops25h 56m

$935

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Mon 11/10

4:30 pm-9:40 am

2 stops23h 10m

Brisbane

Fri 11/21

7:40 pm-9:23 pm

1 stop19h 43m

$1,090

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Mon 11/10

2:59 pm-5:00 am

1 stop20h 01m

Brisbane

Fri 11/21

7:40 pm-8:23 pm

1 stop18h 43m

$1,143

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 3/15

10:30 pm-10:05 am

1 stop42h 35m

Brisbane

Thu 3/19

11:05 am-7:40 pm

1 stop25h 35m

$1,218

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 11/15

11:10 pm-9:55 am

2 stops40h 45m

Brisbane

Tue 11/25

8:20 am-11:39 am

2 stops45h 19m

$1,231

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 11/8

3:50 pm-9:55 am

2 stops24h 05m

Brisbane

Tue 11/25

8:20 am-4:48 pm

2 stops26h 28m

$1,263

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 11/9

3:37 pm-9:55 am

2 stops24h 18m

Brisbane

Tue 11/25

8:20 am-4:48 pm

2 stops26h 28m

$1,263

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 3/4

6:00 pm-11:00 pm

2 stops35h 00m

Brisbane

Tue 3/17

12:30 am-12:11 am

2 stops40h 41m

$1,285

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 2/4

12:59 pm-5:00 am

1 stop22h 01m

Brisbane

Fri 2/13

7:40 pm-9:01 pm

1 stop19h 21m

$1,285

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 10/19

11:35 pm-9:30 pm

2 stops52h 55m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Seattle to Brisbane

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Brisbane in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Brisbane flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Brisbane flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Brisbane flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Brisbane flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Brisbane flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Brisbane

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

How far ahead should I book a flight from Seattle to Brisbane?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Brisbane. Price data was last updated on September 26, 2025.

The price you pay for your flight from Seattle to Brisbane may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Brisbane?

Currently, March is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $1,002). Flying from Seattle to Brisbane in December is currently the most expensive (average of $1,612). 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 SEA to BNE?

Find hourly flight availability from Seattle 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 September 29, 2025.

When flying from Seattle 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 43% versus a flight in the morning.

What is the cheapest day to fly from Seattle to Brisbane?

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

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

Reviews of airlines servicing Brisbane

Get insights into the airlines that provide service to Brisbane. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brisbane. Reviews last updated September 29, 2025.
Peruse reviews from past customers who have flown with Qantas Airways, United Airlines, and Air Canada from Seattle to Brisbane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
910 reviews

Crew

8.2

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
910 reviews
Qantas Airways
7.5
Good
910 reviews

Crew

8.2

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
United Airlines
7.4
Good
8,924 reviews
Qantas Airways
7.5
Good
910 reviews

Crew

8.2

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Air Canada
7.1
Good
10,000 reviews
Qantas Airways
7.5
Good
910 reviews

Crew

8.2

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Related info for your journey

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

  • How long is the flight from Seattle to Brisbane?

    A quick flight from Seattle to Brisbane can take about 18h 45m. Air Canada provides one of the quickest options available for as low as $935. The distance from Seattle to Brisbane is about 7346 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Brisbane round-trip?

    Currently priced at $647, Qantas Airways will fly you from Seattle to Brisbane and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $872 and $907, respectively. You may be able to fly from Seattle to Brisbane for 48% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Brisbane?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $1,002). Flying from Seattle to Brisbane in December is currently the most expensive (average of $1,612). 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

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 3 airlines flying from Seattle to Brisbane

Discover the top 3 airlines that operate flights from Seattle 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$647Average$1,431FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$872Average$1,279FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$907Average$1,227FlexibilityNo cancel feeOn-time67%

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.