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$422+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$809
(Jettzy)

One-way from

$422
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,292
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. 8% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Jettzy deal was found by Cheapflights users on 7/1. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:20 amSYD - SEA
1 stop17h 01mAir Canada
Mon 8/1810:00 amSEA - SYD
1 stop28h 20mAir Canada
Deal found 7/1$809
This Air Canada deal was found by Cheapflights users on 6/30. 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.
Mon 10/610:20 amSYD - SEA
1 stop21h 56mMultiple Airlines
Fri 10/318:00 pmSEA - SYD
2 stops23h 55mMultiple Airlines
Deal found 6/30$824
This BYOjet deal was found by Cheapflights users on 7/1. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:00 amMEL - SEA
2 stops25h 16mAir Canada
Sun 8/312:55 pmSEA - MEL
2 stops29h 25mAir Canada
Deal found 7/1$841
This Aunt Betty deal was found by Cheapflights users on 7/1. 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 7/248:45 pmMEL - SEA
2 stops34h 31mMultiple Airlines
Tue 8/57:15 pmSEA - MEL
2 stops30h 30mMultiple Airlines
Deal found 7/1$846
This Aunt Betty deal was found by Cheapflights users on 7/1. 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.
Mon 7/285:45 pmSYD - SEA
1 stop21h 32mQantas Airways
Mon 9/155:59 pmSEA - SYD
1 stop20h 06mQantas Airways
Deal found 7/1$852
This American Airlines deal was found by Cheapflights users on 7/3. 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 7/249:10 amSYD - SEA
1 stop29h 31mAmerican Airlines
Fri 8/810:55 amSEA - SYD
2 stops27h 10mAmerican Airlines
Deal found 7/3$857
This Delta deal was found by Cheapflights users on 7/1. 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 7/279:25 amSYD - SEA
1 stop24h 26mDelta
Mon 9/155:30 amSEA - SYD
2 stops32h 05mDelta
Deal found 7/1$868
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 9/1610:20 amSYD - SEA
1 stop25h 29mUnited Airlines
Sun 10/197:00 amSEA - SYD
1 stop30h 55mUnited Airlines
Deal found 7/3$870
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Sun 7/2010:00 amBNE - SEA
1 stop20h 06mAir Canada
Wed 8/137:15 pmSEA - BNE
1 stop18h 50mAir Canada
Deal found 7/1$891
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Sun 7/2010:00 amBNE - SEA
1 stop20h 06mMultiple Airlines
Wed 8/132:50 pmSEA - BNE
2 stops23h 15mMultiple Airlines
Deal found 7/1$896
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/139:30 amMEL - SEA
2 stops28h 42mUnited Airlines
Thu 8/2811:11 amSEA - MEL
2 stops28h 04mUnited Airlines
Deal found 7/1$903
This Jetabroad deal was found by Cheapflights users on 6/30. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:40 pmSYD - SEA
1 stop17h 00mHawaiian Airlines
Wed 7/308:15 amSEA - SYD
1 stop18h 30mHawaiian Airlines
Deal found 6/30$911

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 July 3, 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

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 7/31

9:20 am-9:21 am

1 stop17h 01m

Seattle/Tacoma Intl

Mon 8/18

10:00 am-7:20 am

1 stop28h 20m

$809

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 10/6

10:20 am-2:16 pm

1 stop21h 56m

Seattle/Tacoma Intl

Fri 10/31

8:00 pm-1:55 pm

2 stops23h 55m

$824

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 8/12

6:00 am-2:16 pm

2 stops25h 16m

Seattle/Tacoma Intl

Sun 8/31

2:55 pm-1:20 pm

2 stops29h 25m

$841

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 7/24

8:45 pm-2:16 pm

2 stops34h 31m

Seattle/Tacoma Intl

Tue 8/5

7:15 pm-6:45 pm

2 stops30h 30m

$846

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/28

5:45 pm-10:17 pm

1 stop21h 32m

Seattle/Tacoma Intl

Mon 9/15

5:59 pm-7:05 am

1 stop20h 06m

$852

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 7/24

9:10 am-9:41 pm

1 stop29h 31m

Seattle/Tacoma Intl

Fri 8/8

10:55 am-7:05 am

2 stops27h 10m

$857

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 7/27

9:25 am-4:51 pm

1 stop24h 26m

Seattle/Tacoma Intl

Mon 9/15

5:30 am-6:35 am

2 stops32h 05m

$868

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 9/16

9:30 am-1:30 pm

1 stop21h 00m

Seattle/Tacoma Intl

Fri 10/24

1:00 pm-7:55 am

1 stop24h 55m

$870

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 7/20

10:00 am-1:06 pm

1 stop20h 06m

Seattle/Tacoma Intl

Wed 8/13

7:15 pm-7:05 am

1 stop18h 50m

$891

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 7/20

10:00 am-1:06 pm

1 stop20h 06m

Seattle/Tacoma Intl

Wed 8/13

2:50 pm-7:05 am

2 stops23h 15m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $238). Flying from Australia to Seattle in July is currently the most expensive (average of $390). 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 July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Seattle as you normally would.

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 July 3, 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, EVA Air, and ANA 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.
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
EVA Air
8.4
Very good
1,215 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.4
Very good
893 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,505 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Asiana Airlines
8.2
Very good
452 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

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

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $494. Users have also found prices from $518 and $519 on Delta and American Airlines, respectively.

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

    Most travelers choose Sydney Kingsford Smith - Seattle/Tacoma Intl, Melbourne - 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 $238). Flying from Australia to Seattle in July is currently the most expensive (average of $390). 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 Australia?

Book flights to Australia if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 7 airlines flying from Australia to Seattle

Discover the top 7 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$794Average$1,108FlexibilityNo cancel feeOn-time69%
DeltaCheapest$802Average$1,374FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$872Average$1,137FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$917Average$1,391FlexibilityNo cancel feeOn-time85%
Qantas AirwaysCheapest$1,058Average$1,679FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$1,070Average$1,504FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$1,207Average$1,256FlexibilityNo cancel feeOn-time81%

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