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Cheap flights from Seattle to Brisbane from $630

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BNE
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Brisbane

Enter your travel dates to find the best prices.

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 21 January 2026.

Wed 4/315:40
SEA
-
BNE
1 stop23h 05m
Air Canada
Wed 18/309:45
BNE
-
SEA
1 stop16h 46m
Air Canada
Deal found 18/1$1,168
Thu 5/305:50
SEA
-
BNE
1 stop32h 55m
Air Canada
Thu 12/309:45
BNE
-
SEA
1 stop16h 46m
Air Canada
Deal found 18/1$1,169
Fri 6/315:40
SEA
-
BNE
1 stop23h 05m
Air Canada
Fri 13/309:45
BNE
-
SEA
1 stop22h 16m
Air Canada
Deal found 20/1$1,172
Sat 17/120:00
SEA
-
BNE
1 stop18h 45m
Multiple Airlines
Thu 29/106:10
BNE
-
SEA
2 stops21h 05m
Multiple Airlines
Deal found 17/1$1,208
Wed 4/320:00
SEA
-
BNE
2 stops23h 25m
Multiple Airlines
Wed 18/309:45
BNE
-
SEA
1 stop26h 31m
Multiple Airlines
Deal found 18/1$1,209
Fri 20/215:40
SEA
-
BNE
1 stop23h 05m
Air Canada
Sun 1/310:45
BNE
-
SEA
1 stop22h 16m
Air Canada
Deal found 17/1$1,211
Sat 28/220:00
SEA
-
BNE
2 stops25h 30m
Air Canada
Sun 8/310:45
BNE
-
SEA
1 stop28h 21m
Air Canada
Deal found 18/1$1,218
Tue 24/220:00
SEA
-
BNE
1 stop18h 45m
Singapore Airlines
Fri 20/305:35
BNE
-
SEA
2 stops20h 56m
Singapore Airlines
Deal found 18/1$1,245
Mon 19/115:40
SEA
-
BNE
1 stop23h 05m
Multiple Airlines
Fri 30/106:10
BNE
-
SEA
2 stops21h 21m
Multiple Airlines
Deal found 18/1$1,251
Thu 19/215:40
SEA
-
BNE
2 stops28h 40m
Multiple Airlines
Wed 4/310:45
BNE
-
SEA
1 stop22h 16m
Multiple Airlines
Deal found 18/1$1,252
Sun 1/320:00
SEA
-
BNE
1 stop18h 45m
Air New Zealand
Fri 20/309:45
BNE
-
SEA
1 stop16h 46m
Air New Zealand
Deal found 18/1$1,254

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 21 January 2026.

Round-trip from

$1,168

One-way from

$630

Popular in

December

Cheapest in

February

Average price

$1,499
Air Canada
  • Air Canada
  • 8/2-8/3
  • 2 total stops
  • 50h 06m total
  • Seattle to Brisbane
Search Deals
15/3
  • 15/3
  • 2 total stops
  • 22h 30m total
  • Seattle to Brisbane
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($93 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 21 January 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

Sat 28/2

20:00-08:45

1 stop18h 45m

Brisbane

Fri 20/3

05:35-09:31

2 stops20h 56m

$1,301

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 18/4

20:00-12:00

2 stops23h 00m

Brisbane

Sun 3/5

10:00-09:15

1 stop16h 15m

$1,457

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 12/5

15:00-07:05

1 stop23h 05m

Brisbane

Mon 25/5

10:00-22:20

1 stop29h 20m

$1,482

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Mon 6/4

20:00-11:30

2 stops22h 30m

Brisbane

Thu 16/4

20:05-09:33

2 stops30h 28m

$1,484

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 17/5

19:20-07:05

1 stop18h 45m

Brisbane

Sun 24/5

09:05-09:15

2 stops41h 10m

$1,517

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Mon 6/4

20:00-12:00

2 stops23h 00m

Brisbane

Wed 29/4

10:00-15:03

1 stop22h 03m

$1,517

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Thu 26/2

12:32-07:30

1 stop24h 58m

Brisbane

Tue 24/3

10:40-11:40

1 stop18h 00m

$1,527

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 28/2

17:20-07:30

1 stop20h 10m

Brisbane

Tue 24/3

10:40-11:40

1 stop18h 00m

$1,527

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 14/2

12:55-07:30

2 stops24h 35m

Brisbane

Sat 28/2

11:40-11:18

1 stop17h 38m

$1,533

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sat 28/2

12:55-07:30

2 stops24h 35m

Brisbane

Sat 21/3

10:40-21:14

2 stops27h 34m

$1,533

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 19 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 return 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 return flight from Seattle to Brisbane. Price data was last updated on 16 January 2026.

Booking 4 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Brisbane. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $633). Flying from Seattle to Brisbane in September is currently the most expensive (average of $1,618). 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 21 January 2026.
Read reviews from past customers who have flown with Air Canada from Seattle to Brisbane. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,644 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,644 reviews
Air Canada
7.1
Good
10,644 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

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?

    Airlines like Singapore Airlines and Air Canada fly from Seattle to Brisbane in about 18h 45m. The time it takes to get you to your destination can typically vary by up to 4h 15m. The distance between Seattle and Brisbane is about 11822 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Seattle to Brisbane round-trip?

    Currently priced at $642, 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. Air Canada is priced at 64% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Brisbane one-way?

    The cheapet airlines for a one-way flight from Seattle to Brisbane are Air Canada ($639), United Airlines ($660), and Qantas Airways ($991).

  • 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 holiday 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 $633). Flying from Seattle to Brisbane in September is currently the most expensive (average of $1,618). 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

Travelling to a place near Brisbane?

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

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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
Spokane to Brisbane flights
Seattle to Coolangatta flights
Portland to Coolangatta flights

Top airline flying from Seattle to Brisbane

Discover the top airline 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 647,157 searches. Data last updated 21 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$642Average$1,751FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Brisbane?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Brisbane from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Brisbane?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Brisbane for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Brisbane with no change fees?

Yes, we can. To see specific flights from Seattle to Brisbane with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Brisbane become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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