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$405+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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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 December 30, 2025.

This Gotogate deal was found by Cheapflights users on 12/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 pmSEA - BNE
2 stops24h 25mMultiple Airlines
Thu 1/89:05 amBNE - SEA
2 stops28h 11mMultiple Airlines
Deal found 12/29$901
This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:35 pmSEA - BNE
1 stop24h 55mUnited Airlines
Thu 1/811:40 amBNE - SEA
1 stop22h 04mUnited Airlines
Deal found 12/28$1,008

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 December 30, 2025.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$797
(Air Canada)

One-way from

$405
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,686
Provider with most accurate pricing for Seattle/Tacoma Intl-Brisbane flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Brisbane flights.
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From Seattle/Tacoma Intl to Brisbane
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One-way flight from Seattle/Tacoma Intl to Brisbane
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 30, 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

Fri 2/13

3:40 pm-8:45 am

1 stop23h 05m

Brisbane

Fri 2/20

6:10 am-9:15 am

2 stops21h 05m

$851

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 1/25

5:10 pm-7:30 am

1 stop20h 20m

Brisbane

Sun 2/1

11:40 am-11:30 am

1 stop17h 50m

$870

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Mon 1/26

12:35 pm-7:30 am

1 stop24h 55m

Brisbane

Fri 1/30

11:40 am-11:29 am

1 stop17h 49m

$870

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 2/10

8:40 am-7:30 am

2 stops28h 50m

Brisbane

Fri 2/27

11:40 am-9:12 pm

2 stops27h 32m

$874

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 1/10

5:00 am-7:30 am

2 stops32h 30m

Brisbane

Tue 1/13

11:40 am-11:32 am

2 stops41h 52m

$874

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 2/6

12:25 pm-7:30 am

2 stops25h 05m

Brisbane

Thu 2/19

11:40 am-6:03 pm

2 stops24h 23m

$874

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Mon 1/26

12:25 pm-7:30 am

2 stops25h 05m

Brisbane

Mon 2/2

11:40 am-3:44 pm

1 stop22h 04m

$874

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 1/25

10:58 am-7:30 am

2 stops26h 32m

Brisbane

Sat 1/31

11:40 am-6:14 pm

2 stops24h 34m

$874

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 3/31

11:59 pm-6:30 am

2 stops37h 31m

Brisbane

Fri 4/10

10:30 am-2:36 pm

1 stop21h 06m

$874

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 2/13

5:00 am-7:30 am

2 stops32h 30m

Brisbane

Mon 2/23

11:40 am-9:49 am

2 stops40h 09m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 17 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 oojo to be most consistent on Cheapflights vs. oojo Users can find the same prices on Seattle-Brisbane flight deals on Cheapflights vs. oojo >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 oojo the most. oojo 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 December 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 71 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, June is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $647). Flying from Seattle to Brisbane in October is currently the most expensive (average of $1,106). 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 December 30, 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
957 reviews

Entertainment

7.2

Overall

7.5

Boarding

7.7

Crew

8.2

Comfort

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
957 reviews
Qantas Airways
7.5
Good
957 reviews

Entertainment

7.2

Overall

7.5

Boarding

7.7

Crew

8.2

Comfort

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
9,123 reviews
Qantas Airways
7.5
Good
957 reviews

Entertainment

7.2

Overall

7.5

Boarding

7.7

Crew

8.2

Comfort

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Air Canada
7.1
Good
10,564 reviews
Qantas Airways
7.5
Good
957 reviews

Entertainment

7.2

Overall

7.5

Boarding

7.7

Crew

8.2

Comfort

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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 24h 55m. United Airlines provides one of the quickest options available for as low as $870. The distance from Seattle to Brisbane is about 7346 mi.

  • 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 $811 and $871, respectively. You may be able to fly from Seattle to Brisbane for 48% 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, June is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $647). Flying from Seattle to Brisbane in October is currently the most expensive (average of $1,106). 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

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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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$647Average$1,583FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$811Average$1,167FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$871Average$1,341FlexibilityNo cancel feeOn-time69%

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