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Cheap flights from Seattle to Brisbane

SEA — BNE
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Popular in

December

Cheapest in

February

Average price

C$ 1,751
Highest demand for flights based on searches. 5% potential increase in price (C$ 132 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 93 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 12 September 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Brisbane, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Brisbane?

Currently, November is the cheapest month in which you can book a flight from Seattle to Brisbane (average of C$ 1,242). Flying from Seattle to Brisbane in December is currently the most expensive (average of C$ 1,682). 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 15 September 2025.
Get a feel of what it's like to fly with United Airlines from Seattle to Brisbane by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews
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Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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

    United Airlines, at C$ 1,186, was found to be the cheapest airline from Seattle to Brisbane.. United Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Brisbane (average of C$ 1,242). Flying from Seattle to Brisbane in December is currently the most expensive (average of C$ 1,682). 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.

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Browse thousands of different options on Cheapflights for your next trip

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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 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,186AverageC$ 1,194FlexibilityNo cancel feeOn-time69%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

When you search for this flight from Seattle to Brisbane, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Brisbane.

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

Certainly. Search results for flights to Brisbane from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Seattle to Brisbane on Cheapflights with our Price Alert feature and get notified when better prices are available.

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