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$407+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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1. Tell us where you want to go

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Cheap 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 February 4, 2026.

This Air Canada deal was found by Cheapflights users on 2/4. 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.
Tue 3/108:00 pm
SEA
-
BNE
1 stop18h 45m
Air Canada
Sun 5/1010:00 am
BNE
-
SEA
1 stop25h 30m
Air Canada
Deal found 2/4$809
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Tue 4/2810:20 am
SEA
-
BNE
1 stop27h 45m
Air Canada
Sun 5/1010:00 am
BNE
-
SEA
1 stop21h 20m
Air Canada
Deal found 2/4$854
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Thu 2/199:55 am
SEA
-
BNE
1 stop28h 50m
Air Canada
Wed 3/410:45 am
BNE
-
SEA
1 stop22h 16m
Air Canada
Deal found 2/2$860
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Tue 3/103:40 pm
SEA
-
BNE
1 stop23h 05m
Multiple Airlines
Sun 5/108:40 pm
BNE
-
SEA
2 stops29h 35m
Multiple Airlines
Deal found 2/3$879
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Tue 3/33:40 pm
SEA
-
BNE
1 stop23h 05m
Air Canada
Tue 3/105:10 am
BNE
-
SEA
2 stops21h 21m
Air Canada
Deal found 2/3$884
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Fri 11/63:05 pm
SEA
-
BNE
1 stop23h 40m
Multiple Airlines
Mon 11/166:10 am
BNE
-
SEA
2 stops21h 41m
Multiple Airlines
Deal found 2/2$888
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Tue 4/2810:20 am
SEA
-
BNE
1 stop27h 45m
Air Canada
Thu 5/1410:00 am
BNE
-
SEA
1 stop16h 15m
Air Canada
Deal found 2/3$889
This Air Canada deal was found by Cheapflights users on 2/4. 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 4/1810:20 am
SEA
-
BNE
1 stop27h 45m
Air Canada
Sun 5/310:00 am
BNE
-
SEA
1 stop16h 15m
Air Canada
Deal found 2/4$891
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Mon 4/68:00 pm
SEA
-
BNE
1 stop18h 05m
Air Canada
Thu 4/1610:00 am
BNE
-
SEA
1 stop22h 03m
Air Canada
Deal found 2/4$892

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$809
(Air Canada)

One-way from

$407
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$921
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. 3% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 4, 2026.
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

Tue 4/28

10:20 am-7:05 am

1 stop27h 45m

Brisbane

Sun 5/10

10:00 am-2:20 pm

1 stop21h 20m

$854

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 4/18

8:00 pm-7:05 am

1 stop18h 05m

Brisbane

Tue 5/5

10:00 am-6:30 pm

1 stop25h 30m

$891

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 3/10

8:00 pm-11:05 am

2 stops22h 05m

Brisbane

Sun 5/10

10:00 am-2:20 pm

1 stop21h 20m

$895

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 4/18

3:40 pm-11:30 am

2 stops26h 50m

Brisbane

Sun 5/3

10:00 am-6:30 pm

1 stop25h 30m

$986

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 2/20

11:26 am-5:00 am

2 stops23h 34m

Brisbane

Sun 3/1

5:10 pm-6:58 pm

1 stop19h 48m

$1,009

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 4/29

8:00 pm-11:30 am

2 stops22h 30m

Brisbane

Sun 5/10

8:40 pm-9:15 am

2 stops29h 35m

$1,026

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 4/28

3:40 pm-11:30 am

2 stops26h 50m

Brisbane

Sun 5/10

8:40 pm-9:15 am

2 stops29h 35m

$1,026

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 2/20

5:59 pm-8:20 am

1 stop20h 21m

Brisbane

Sun 3/1

10:40 am-8:30 pm

1 stop27h 50m

$1,029

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 3/31

6:24 pm-10:25 am

2 stops23h 01m

$407

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 2/21

11:32 am-10:35 am

2 stops29h 03m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 19 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 January 30, 2026.

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 4 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, January is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $444). Flying from Seattle to Brisbane in September is currently the most expensive (average of $1,089). 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.

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 February 4, 2026.
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
986 reviews

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.
Qantas Airways
7.5
Good
986 reviews
Qantas Airways
7.5
Good
986 reviews

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.
United Airlines
7.4
Good
9,236 reviews
Qantas Airways
7.5
Good
986 reviews

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.
Air Canada
7.1
Good
10,688 reviews
Qantas Airways
7.5
Good
986 reviews

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.

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 23h 34m. Air Canada provides one of the quickest options available for as low as $1,009. 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 Air Canada and United Airlines - these airlines can fly you to your destination from $796 and $872, respectively. You may be able to fly from Seattle to Brisbane for 47% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle 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 $405. United Airlines flights start at $444 while deals on Qantas Airways start at $497 one-way.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $444). Flying from Seattle to Brisbane in September is currently the most expensive (average of $1,089). 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$647Average$1,583FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$796Average$1,154FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$872Average$1,357FlexibilityNo cancel feeOn-time69%

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