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$403+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$948
(Trip.com)

One-way from

$403
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,031
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. 6% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:20 amSYD - SEA
1 stop29h 56mAir Canada
Mon 10/132:55 pmSEA - SYD
2 stops46h 45mAir Canada
Deal found 3/26$934
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/111:20 pmCBR - SEA
2 stops24h 22mMultiple Airlines
Sun 5/1810:06 amSEA - CBR
2 stops33h 14mMultiple Airlines
Deal found 3/27$948
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/281:15 pmSYD - SEA
2 stops22h 12mMultiple Airlines
Sat 5/317:00 amSEA - SYD
2 stops35h 45mMultiple Airlines
Deal found 3/27$950
This BYOjet deal was found by Cheapflights users on 3/27. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1110:00 amBNE - SEA
1 stop21h 13mAir Canada
Wed 6/2510:00 amSEA - BNE
1 stop28h 05mAir Canada
Deal found 3/27$951
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/289:45 amMEL - SEA
1 stop28h 56mAmerican Airlines
Wed 8/209:55 amSEA - MEL
1 stop26h 05mAmerican Airlines
Deal found 3/27$955
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/289:45 amMEL - SEA
1 stop28h 56mMultiple Airlines
Mon 8/185:15 pmSEA - MEL
1 stop20h 30mMultiple Airlines
Deal found 3/27$967
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:05 pmBNE - SEA
1 stop20h 50mMultiple Airlines
Wed 5/142:00 pmSEA - BNE
1 stop22h 25mMultiple Airlines
Deal found 3/27$972
This Ovago deal was found by Cheapflights users on 3/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:05 pmBNE - SEA
1 stop19h 56mQantas Airways
Sun 5/186:14 amSEA - BNE
1 stop30h 11mQantas Airways
Deal found 3/26$981
This Jetabroad deal was found by Cheapflights users on 3/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:15 amBNE - SEA
1 stop25h 00mPhilippine Airlines
Sun 10/1911:35 pmSEA - BNE
1 stop41h 20mPhilippine Airlines
Deal found 3/27$988
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:05 pmBNE - SEA
1 stop19h 56mAmerican Airlines
Sun 5/1811:40 amSEA - BNE
2 stops24h 45mAmerican Airlines
Deal found 3/26$989
This Justfly.com deal was found by Cheapflights users on 3/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/29:45 amMEL - SEA
1 stop28h 51mQantas Airways
Sun 6/155:15 pmSEA - MEL
1 stop20h 30mQantas Airways
Deal found 3/26$1,004
This Ovago deal was found by Cheapflights users on 3/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:15 amSYD - SEA
1 stop26h 29mQantas Airways
Fri 11/283:35 pmSEA - SYD
1 stop20h 50mQantas Airways
Deal found 3/27$1,004

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 March 28, 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

CanberraSeattle

CBR - SEA

CBRSEA

Canberra

Sun 5/11

1:20 pm-8:42 pm

2 stops24h 22m

Seattle/Tacoma Intl

Sun 5/18

10:06 am-12:20 pm

2 stops33h 14m

$948

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 5/28

1:15 pm-6:27 pm

2 stops22h 12m

Seattle/Tacoma Intl

Sat 5/31

7:00 am-11:45 am

2 stops35h 45m

$950

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 6/11

10:00 am-2:13 pm

1 stop21h 13m

Seattle/Tacoma Intl

Wed 6/25

10:00 am-7:05 am

1 stop28h 05m

$951

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 7/28

9:45 am-9:41 pm

1 stop28h 56m

Seattle/Tacoma Intl

Wed 8/20

9:55 am-5:00 am

1 stop26h 05m

$955

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/14

9:20 am-10:16 pm

1 stop29h 56m

Seattle/Tacoma Intl

Tue 8/5

5:40 am-7:20 am

1 stop32h 40m

$961

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 7/28

9:45 am-9:41 pm

1 stop28h 56m

Seattle/Tacoma Intl

Mon 8/18

5:15 pm-6:45 am

1 stop20h 30m

$967

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 5/1

8:05 pm-11:55 pm

1 stop20h 50m

Seattle/Tacoma Intl

Wed 5/14

2:00 pm-5:25 am

1 stop22h 25m

$972

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 5/11

8:05 pm-11:01 pm

1 stop19h 56m

Seattle/Tacoma Intl

Sun 5/18

6:14 am-5:25 am

1 stop30h 11m

$981

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 5/11

8:05 pm-11:01 pm

1 stop19h 56m

Seattle/Tacoma Intl

Sun 5/18

11:40 am-5:25 am

2 stops24h 45m

$989

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 6/2

9:45 am-9:36 pm

1 stop28h 51m

Seattle/Tacoma Intl

Sun 6/15

5:15 pm-6:45 am

1 stop20h 30m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 59 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 $411). 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 March 28, 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 28, 2025.
See what other customers who have flown with Air Tahiti Nui, EVA Air and Japan Airlines from Australia to Seattle have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

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
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

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
1,169 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

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
1,440 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

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
8.3
Very good
829 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

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.
China Airlines
8.2
Very good
722 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

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 EVA Air. According to our data, you can fly for as low as $621. Users have also found prices from $678 and $681 on Philippine Airlines and Japan 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 $238). Flying from Australia to Seattle in July is currently the most expensive (average of $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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 6 airlines flying from Australia to Seattle

Discover the top 6 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$671Average$1,347FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$872Average$1,171FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$917Average$1,292FlexibilityNo cancel feeOn-time85%
Qantas AirwaysCheapest$1,058Average$1,679FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$1,207Average$1,256FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,269Average$1,364FlexibilityNo cancel feeOn-time76%
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