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$399+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
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 June 29, 2026.

This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:34 am
SEA
-
BNE
2 stops31h 06m
Multiple Airlines
Thu 8/2011:55 am
BNE
-
SEA
3 stops38h 24m
Multiple Airlines
Deal found 6/29$1,035
This Qantas Airways deal was found by Cheapflights users on 6/24. 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.
Sun 11/82:10 pm
SEA
-
BNE
1 stop21h 40m
Multiple Airlines
Tue 11/171:10 pm
BNE
-
SEA
1 stop22h 53m
Multiple Airlines
Deal found 6/24$1,083
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:30 pm
SEA
-
BNE
1 stop23h 50m
Delta
Fri 1/1510:40 am
BNE
-
SEA
1 stop20h 20m
Delta
Deal found 6/26$1,111
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:45 am
SEA
-
BNE
2 stops32h 35m
Delta
Wed 1/1310:40 am
BNE
-
SEA
1 stop20h 20m
Delta
Deal found 6/26$1,115
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:35 pm
SEA
-
BNE
2 stops42h 45m
Delta
Fri 1/1510:40 am
BNE
-
SEA
1 stop20h 20m
Delta
Deal found 6/26$1,129
This BusinessClass deal was found by Cheapflights users on 6/27. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am
SEA
-
BNE
2 stops22h 25m
Multiple Airlines
Sun 11/110:40 am
BNE
-
SEA
2 stops28h 48m
Multiple Airlines
Deal found 6/27$1,151
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:45 am
SEA
-
BNE
1 stop26h 45m
United Airlines
Wed 1/2711:40 am
BNE
-
SEA
1 stop27h 08m
United Airlines
Deal found 6/27$1,154
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/135:07 am
SEA
-
BNE
2 stops32h 23m
United Airlines
Wed 1/2711:40 am
BNE
-
SEA
1 stop24h 27m
United Airlines
Deal found 6/27$1,159
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:09 pm
SEA
-
BNE
2 stops33h 16m
Multiple Airlines
Tue 8/187:40 am
BNE
-
SEA
2 stops33h 19m
Multiple Airlines
Deal found 6/27$1,167
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:20 am
SEA
-
BNE
2 stops23h 05m
Multiple Airlines
Sun 8/304:00 pm
BNE
-
SEA
2 stops24h 53m
Multiple Airlines
Deal found 6/24$1,169

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 June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,035
(Trip.com)

One-way from

$399
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,251
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. 5% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 29, 2026.
Use the filters below to find and compare flights from Seattle to Brisbane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 12/13

5:07 am-7:30 am

2 stops32h 23m

Brisbane

Wed 1/27

11:40 am-6:07 pm

1 stop24h 27m

$1,159

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 8/11

9:09 pm-11:25 pm

2 stops33h 16m

Brisbane

Tue 8/18

7:40 am-11:59 pm

2 stops33h 19m

$1,167
Quickest round-trip

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 10/24

7:25 pm-6:30 am

1 stop18h 05m

Brisbane

Tue 11/24

7:55 am-8:49 pm

2 stops30h 54m

$1,171

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 10/25

6:51 pm-6:30 am

2 stops42h 39m

Brisbane

Thu 11/26

5:05 am-12:20 pm

2 stops25h 15m

$1,182

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 7/24

7:00 am-6:30 am

1 stop30h 30m

Brisbane

Fri 7/31

10:30 am-2:30 pm

1 stop21h 00m

$1,564

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 11/8

12:00 pm-4:55 pm

2 stops34h 55m

Brisbane

Tue 11/17

11:25 pm-8:31 pm

3 stops39h 06m

$2,108

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 10/24

7:20 am-7:15 am

2 stops30h 55m

Brisbane

Tue 11/24

11:25 pm-8:31 pm

3 stops39h 06m

$2,333

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 11/1

5:55 pm-5:15 pm

3 stops29h 20m

Brisbane

Thu 11/5

8:30 am-2:42 pm

3 stops24h 12m

$2,359
Cheapest one-way

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Thu 7/30

10:34 am-10:50 pm

2 stops43h 16m

$399

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 9/20

11:06 am-10:35 am

2 stops30h 29m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 16 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 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?

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 3 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, February is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $884). Flying from Seattle to Brisbane in December is currently the most expensive (average of $1,694). 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 to fly round-trip from Seattle to Brisbane?

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 June 29, 2026.
Peruse reviews from past customers who have flown with Qantas Airways,United Airlines, andAir 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
1,054 reviews

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Crew

8.1

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
1,054 reviews
Qantas Airways
7.5
Good
1,054 reviews

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Crew

8.1

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
9,894 reviews
Qantas Airways
7.5
Good
1,054 reviews

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Crew

8.1

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
11,270 reviews
Qantas Airways
7.5
Good
1,054 reviews

Boarding

7.7

Comfort

7.4

Entertainment

7.2

Crew

8.1

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 23h 50m. Delta provides one of the quickest options available for as low as $1,111. 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 $796, Air Canada will fly you from Seattle to Brisbane and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Qantas Airways - these airlines can fly you to your destination from $1,023 and $1,055, respectively. You may be able to fly from Seattle to Brisbane for 34% 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 $403. 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, February is the cheapest month in which you can book a flight from Seattle to Brisbane (average of $884). Flying from Seattle to Brisbane in December is currently the most expensive (average of $1,694). 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

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Alternative routes for Seattle to Brisbane

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Brisbane flights
Portland to Townsville flights
Seattle to Cairns flights

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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$795Average$1,135FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,023Average$1,406FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,055Average$1,716FlexibilityNo cancel feeOn-time74%

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