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$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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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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 agosto 14, 2025.

Round-trip from

$883
(Air Canada)

One-way from

$431
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,254
From Seattle/Tacoma Intl to Brisbane
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One-way flight from Seattle/Tacoma Intl to Brisbane
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Highest demand for flights based on searches. 4% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 14, 2025.

This Air Canada deal was found by Cheapflights users on 8/12. 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.
sáb. 11/158:00 pmSEA - BNE
1 stop18h 45mAir Canada
mar. 11/2510:45 amBNE - SEA
1 stop16h 46mAir Canada
Deal found 8/12$883
This Air Canada deal was found by Cheapflights users on 8/12. 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.
mar. 10/217:15 pmSEA - BNE
2 stops23h 15mAir Canada
vie. 11/1410:45 amBNE - SEA
1 stop16h 46mAir Canada
Deal found 8/12$906
This Air Canada deal was found by Cheapflights users on 8/12. 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.
sáb. 10/187:15 pmSEA - BNE
1 stop18h 50mAir Canada
sáb. 11/1510:45 amBNE - SEA
1 stop26h 31mAir Canada
Deal found 8/12$910
This Air Canada deal was found by Cheapflights users on 8/12. 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.
sáb. 11/158:00 pmSEA - BNE
2 stops22h 35mMultiple Airlines
mar. 11/2510:45 amBNE - SEA
1 stop26h 31mMultiple Airlines
Deal found 8/12$946
This Air Canada deal was found by Cheapflights users on 8/11. 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.
mar. 8/1210:00 amSEA - BNE
1 stop28h 05mAir Canada
mar. 8/1910:20 amBNE - SEA
1 stop16h 01mAir Canada
Deal found 8/11$956
This Air Canada deal was found by Cheapflights users on 8/12. 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.
mar. 11/410:05 amSEA - BNE
1 stop28h 40mAir Canada
sáb. 11/2210:45 amBNE - SEA
1 stop26h 31mAir Canada
Deal found 8/12$963
This Air Canada deal was found by Cheapflights users on 8/13. 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.
sáb. 10/1810:00 amSEA - BNE
1 stop28h 05mMultiple Airlines
sáb. 11/155:25 amBNE - SEA
2 stops22h 06mMultiple Airlines
Deal found 8/13$982
This Air Canada deal was found by Cheapflights users on 8/13. 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.
mié. 10/222:55 pmSEA - BNE
1 stop23h 10mAir Canada
dom. 11/1610:45 amBNE - SEA
1 stop16h 46mAir Canada
Deal found 8/13$1,000
This oojo deal was found by Cheapflights users on 8/13. 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.
sáb. 11/15:30 pmSEA - BNE
2 stops23h 40mMultiple Airlines
vie. 11/1411:20 amBNE - SEA
2 stops23h 36mMultiple Airlines
Deal found 8/13$1,004

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 agosto 14, 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

mar. 10/21

2:55 pm-7:05 am

1 stop23h 10m

Brisbane

vie. 11/14

10:45 am-2:26 pm

1 stop21h 41m

$883

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

sáb. 10/18

7:15 pm-7:05 am

1 stop18h 50m

Brisbane

sáb. 11/15

10:45 am-7:16 pm

1 stop26h 31m

$910

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

mar. 11/4

10:05 am-8:45 am

1 stop28h 40m

Brisbane

sáb. 11/22

10:45 am-7:16 pm

1 stop26h 31m

$963

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

sáb. 10/18

10:00 am-7:05 am

1 stop28h 05m

Brisbane

sáb. 11/15

5:25 am-9:31 am

2 stops22h 06m

$982

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

mié. 10/22

2:55 pm-7:05 am

1 stop23h 10m

Brisbane

dom. 11/16

10:45 am-9:31 am

1 stop16h 46m

$1,000

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

sáb. 11/1

5:30 pm-10:10 am

2 stops23h 40m

Brisbane

vie. 11/14

11:20 am-4:56 pm

2 stops23h 36m

$1,004

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

sáb. 9/6

6:05 pm-7:55 pm

2 stops32h 50m

Brisbane

lun. 9/22

7:00 am-8:24 pm

2 stops30h 24m

$1,027

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

mar. 10/21

7:15 pm-7:05 am

1 stop18h 50m

$431

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

vie. 10/24

7:15 pm-7:45 am

1 stop19h 30m

$442

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

dom. 8/17

7:15 pm-7:05 am

1 stop18h 50m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 12 results
1
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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 August 8, 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 $1,017). Flying from Seattle to Brisbane in December is currently the most expensive (average of $1,624). 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 agosto 14, 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 agosto 14, 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
895 reviews

Food

6.9

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Qantas Airways
7.5
Good
895 reviews
Qantas Airways
7.5
Good
895 reviews

Food

6.9

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
United Airlines
7.4
Good
8,916 reviews
Qantas Airways
7.5
Good
895 reviews

Food

6.9

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Air Canada
7.1
Good
9,949 reviews
Qantas Airways
7.5
Good
895 reviews

Food

6.9

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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.

  • 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 $928, respectively. You may be able to fly from Seattle to Brisbane for 49% 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 $1,017). Flying from Seattle to Brisbane in December is currently the most expensive (average of $1,624). 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

Traveling to a place near Brisbane?

Book flights to Brisbane if you plan to visit one of these locations
Redcliffe

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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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$647Average$1,312FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$872Average$1,286FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$928Average$1,257FlexibilityNo cancel feeOn-time67%

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