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$384+ Cheap flights from Australia to Seattle (SEA)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheap flight deals from Australia to Seattle

Keep the following information in mind while searching for Australia to Seattle flight deals. Data was last updated December 1, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$646
(Booking.com)

One-way from

$384
(Expedia)

Popular in

July

Cheapest in

August

Average price

$1,273
Provider with most accurate pricing for Sydney Kingsford Smith-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Seattle/Tacoma Intl flights.
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From Australia to Seattle/Tacoma Intl
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One-way flight from Australia to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 2% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Find flight deals from Australia to Seattle

Cheapest flights from Australia to Seattle
Explore the most affordable flight options available from Australia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Air Canada deal was found by Cheapflights users on 11/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:45 amBNE - SEA
1 stop16h 46mAir Canada
Sun 12/283:40 pmSEA - BNE
1 stop23h 05mAir Canada
Deal found 11/28$684
This American Airlines deal was found by Cheapflights users on 11/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:40 pmBNE - SEA
1 stop20h 45mAmerican Airlines
Fri 1/23:44 pmSEA - BNE
1 stop44h 46mAmerican Airlines
Deal found 11/28$693
This American Airlines deal was found by Cheapflights users on 11/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:10 pmBNE - SEA
2 stops29h 15mAmerican Airlines
Tue 12/3012:14 amSEA - BNE
2 stops36h 16mAmerican Airlines
Deal found 11/28$694
This American Airlines deal was found by Cheapflights users on 11/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:40 pmBNE - SEA
1 stop20h 45mAmerican Airlines
Mon 12/85:18 amSEA - BNE
1 stop31h 12mAmerican Airlines
Deal found 11/30$695
This Delta deal was found by Cheapflights users on 11/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:40 amBNE - SEA
1 stop22h 04mDelta
Mon 12/297:10 amSEA - BNE
1 stop31h 10mDelta
Deal found 11/28$702
This United Airlines deal was found by Cheapflights users on 11/28. 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.
Fri 12/1211:40 amBNE - SEA
2 stops28h 48mUnited Airlines
Thu 1/15:02 amSEA - BNE
2 stops32h 28mUnited Airlines
Deal found 11/28$703
This United Airlines deal was found by Cheapflights users on 11/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:40 amBNE - SEA
2 stops24h 45mUnited Airlines
Mon 12/812:35 pmSEA - BNE
2 stops24h 55mUnited Airlines
Deal found 11/29$705
This American Airlines deal was found by Cheapflights users on 11/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:10 pmBNE - SEA
2 stops39h 32mAmerican Airlines
Thu 1/110:13 pmSEA - BNE
2 stops37h 32mAmerican Airlines
Deal found 11/28$714
This Qantas Airways deal was found by Cheapflights users on 11/28. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:10 pmBNE - SEA
1 stop23h 18mQantas Airways
Sun 12/286:00 amSEA - BNE
1 stop29h 45mQantas Airways
Deal found 11/28$737
This Aunt Betty deal was found by Cheapflights users on 11/30. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:00 pmSYD - SEA
1 stop17h 31mAir Canada
Mon 12/298:00 pmSEA - SYD
1 stop39h 55mAir Canada
Deal found 11/30$813
This Air Canada deal was found by Cheapflights users on 11/30. 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 12/114:00 pmSYD - SEA
1 stop22h 16mAir Canada
Tue 12/308:00 pmSEA - SYD
1 stop18h 35mAir Canada
Deal found 11/30$822
This American Airlines deal was found by Cheapflights users on 11/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:40 amBNE - SEA
2 stops28h 38mAmerican Airlines
Sat 1/39:57 amSEA - BNE
2 stops26h 33mAmerican Airlines
Deal found 11/28$840

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Seattle 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 1, 2025.
Use the filters below to find and compare flights from Australia to Seattle that are best for you.

Fly from

Australia

Fly to

Seattle

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 12/11

10:45 am-9:31 am

1 stop16h 46m

Seattle/Tacoma Intl

Sun 12/28

3:40 pm-8:45 am

1 stop23h 05m

$684

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 12/11

12:10 pm-11:25 pm

2 stops29h 15m

Seattle/Tacoma Intl

Sun 12/28

10:32 am-6:30 am

1 stop25h 58m

$694

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 12/11

12:10 pm-11:25 pm

2 stops29h 15m

Seattle/Tacoma Intl

Mon 12/29

11:59 pm-5:45 am

2 stops35h 46m

$694

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 12/11

12:10 pm-10:25 pm

1 stop28h 15m

Seattle/Tacoma Intl

Wed 12/31

6:00 am-6:30 am

2 stops30h 30m

$694

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 1/17

7:40 pm-11:59 pm

1 stop22h 19m

Seattle/Tacoma Intl

Fri 1/30

6:00 am-5:45 am

1 stop29h 45m

$701

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 1/17

11:40 am-6:26 pm

2 stops24h 46m

Seattle/Tacoma Intl

Fri 1/30

6:03 am-7:30 am

1 stop31h 27m

$702

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sat 12/13

11:40 am-9:21 pm

2 stops27h 41m

Seattle/Tacoma Intl

Tue 12/30

7:05 am-7:30 am

1 stop30h 25m

$702

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 2/11

11:40 am-6:14 pm

2 stops24h 34m

Seattle/Tacoma Intl

Wed 2/25

12:55 pm-7:30 am

2 stops24h 35m

$702

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 12/12

11:40 am-3:29 pm

1 stop21h 49m

Seattle/Tacoma Intl

Tue 12/30

12:35 pm-7:30 am

1 stop24h 55m

$702

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 1/13

11:40 am-4:01 pm

3 stops46h 21m

Seattle/Tacoma Intl

Tue 1/20

7:00 am-7:30 am

2 stops30h 30m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Showing 1-10 of 60 results
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Best time to book a flight from Australia to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Australia 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 Australia to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $573). Flying from Australia to Seattle in July is currently the most expensive (average of $800). 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.

What is the cheapest time of day to fly from AU to SEA?

Find hourly flight availability from Australia to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 1, 2025.

It’s typically best to fly out from Australia to Seattle in the evening. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 1, 2025.
Get a feel of what it's like to fly with Delta, Hawaiian Airlines, and Virgin Australia from Australia to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Hawaiian Airlines
7.8
Good
2,814 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Virgin Australia
7.6
Good
425 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,059 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,490 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Australia to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Australia?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Australia. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Australia to Seattle?

    Air Canada, American Airlines, and United Airlines can get you from Australia to Seattle in just under 16h 46m. Your travel time can differ by up to 12h 29m. The distance between Australia and Seattle is about 7346 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $384. Users have also found prices from $408 and $505 on Qantas Airways and American Airlines, respectively.

  • What are the most popular routes from Australia to Seattle?

    Most travelers choose Melbourne - Seattle/Tacoma Intl, Sydney Kingsford Smith - Seattle/Tacoma Intl or Brisbane - Seattle/Tacoma Intl when deciding on the best route from Australia to Seattle.

  • Can I find deals for flights from Australia to Seattle that include hotel bookings?

    Yes. In addition to deals on Australia to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Seattle.

  • Can I find deals for business class flights from Australia to Seattle?

    Yes. Cheapflights offers flight deals from Australia to Seattle 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 Australia to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $573). Flying from Australia to Seattle in July is currently the most expensive (average of $800). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Olympia
Lakewood
Ocean Shores
Tukwila
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Cle Elum
Marysville
Leavenworth
Fife
Issaquah
Aberdeen
Shoreline
Centralia

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Australia to Seattle

Discover the top 5 airlines that operate flights from Australia to Seattle. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$598Average$1,109FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$794Average$1,037FlexibilityNo cancel feeOn-time69%
DeltaCheapest$802Average$1,374FlexibilityNo cancel feeOn-timeN/A
Virgin AustraliaCheapest$866Average$2,565FlexibilityNo cancel feeOn-time80%
Hawaiian AirlinesCheapest$917Average$1,547FlexibilityNo cancel feeOn-time85%

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