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$457+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$811
(Trip.com)

One-way from

$457
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$979
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. 8% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This Trip.com deal was found by Cheapflights users on 2/22. 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.
Mon 3/241:45 pmMEL - SEA
2 stops24h 14mMultiple Airlines
Mon 3/313:12 pmSEA - MEL
2 stops37h 43mMultiple Airlines
Deal found 2/22$811
This Jettzy deal was found by Cheapflights users on 2/21. 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 stop20h 41mAir Canada
Sun 8/2410:00 amSEA - SYD
1 stop28h 20mAir Canada
Deal found 2/21$921
This BestPriceTravel deal was found by Cheapflights users on 2/21. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3110:15 pmBNE - SEA
1 stop38h 15mEVA Air
Tue 7/291:10 amSEA - BNE
1 stop25h 50mEVA Air
Deal found 2/21$932
This Flightnetwork deal was found by Cheapflights users on 2/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/238:30 pmMEL - SEA
2 stops29h 51mAir Canada
Wed 8/137:15 pmSEA - MEL
2 stops23h 20mAir Canada
Deal found 2/21$934
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2111:10 amSYD - SEA
1 stop26h 00mPhilippine Airlines
Sun 4/1311:30 pmSEA - SYD
1 stop39h 30mPhilippine Airlines
Deal found 2/20$936
This Gotogate deal was found by Cheapflights users on 2/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1610:00 amBNE - SEA
1 stop29h 13mMultiple Airlines
Mon 7/147:15 pmSEA - BNE
2 stops27h 25mMultiple Airlines
Deal found 2/22$949
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/1510:55 amMEL - SEA
1 stop22h 03mUnited Airlines
Tue 4/297:08 amSEA - MEL
3 stops32h 07mUnited Airlines
Deal found 2/20$953
This Air Canada deal was found by Cheapflights users on 2/22. 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 stop21h 16mAir Canada
Wed 8/137:15 pmSEA - BNE
2 stops23h 45mAir Canada
Deal found 2/22$959
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:15 amSYD - SEA
2 stops31h 47mMultiple Airlines
Mon 3/108:05 amSEA - SYD
2 stops34h 25mMultiple Airlines
Deal found 2/21$959
This United deal was found by Cheapflights users on 2/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:45 amBNE - SEA
1 stop22h 13mUnited Airlines
Wed 5/78:50 amSEA - BNE
2 stops28h 40mUnited Airlines
Deal found 2/21$970
This United deal was found by Cheapflights users on 2/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/129:30 amSYD - SEA
2 stops25h 36mUnited Airlines
Mon 5/2611:13 amSEA - SYD
2 stops26h 47mUnited Airlines
Deal found 2/21$973
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:15 amBNE - SEA
1 stop25h 05mPhilippine Airlines
Wed 7/2311:30 pmSEA - BNE
1 stop41h 25mPhilippine Airlines
Deal found 2/21$978

Find flights from Australia to Seattle within your budget

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 February 22, 2025.

Fly from

Australia

Fly to

Seattle

Route

Depart

Return

Price

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 3/24

1:45 pm-7:59 pm

2 stops24h 14m

Seattle/Tacoma Intl

Mon 3/31

3:12 pm-10:55 pm

2 stops37h 43m

$811

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 7/31

9:20 am-1:01 pm

1 stop20h 41m

Seattle/Tacoma Intl

Sun 8/24

10:00 am-7:20 am

1 stop28h 20m

$921

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 3/31

10:15 pm-7:30 pm

1 stop38h 15m

Seattle/Tacoma Intl

Tue 7/29

1:10 am-8:00 pm

1 stop25h 50m

$932

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 7/23

8:30 pm-9:21 am

2 stops29h 51m

Seattle/Tacoma Intl

Wed 8/13

7:15 pm-11:35 am

2 stops23h 20m

$934

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 3/21

11:10 am-7:10 pm

1 stop26h 00m

Seattle/Tacoma Intl

Sun 4/13

11:30 pm-8:00 am

1 stop39h 30m

$936

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 6/16

10:00 am-10:13 pm

1 stop29h 13m

Seattle/Tacoma Intl

Mon 7/14

7:15 pm-3:40 pm

2 stops27h 25m

$949

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 4/15

10:55 am-3:58 pm

1 stop22h 03m

Seattle/Tacoma Intl

Tue 4/29

7:08 am-8:15 am

3 stops32h 07m

$953

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 7/20

10:00 am-2:16 pm

1 stop21h 16m

Seattle/Tacoma Intl

Wed 8/13

7:15 pm-12:00 pm

2 stops23h 45m

$959

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 3/7

6:15 am-7:02 pm

2 stops31h 47m

Seattle/Tacoma Intl

Mon 3/10

8:05 am-12:30 pm

2 stops34h 25m

$959

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 4/24

10:45 am-9:02 pm

2 stops27h 17m

Seattle/Tacoma Intl

Wed 5/7

12:50 pm-6:30 am

2 stops24h 40m

$970

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from Australia to Seattle

Get recent, data-driven insights about flights from Australia to Seattle including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.
See what other customers who have flown with Air Tahiti Nui, EVA Air and ANA 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

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Crew

9.1

Boarding

8.7

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

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Crew

9.1

Boarding

8.7

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
1,200 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Crew

9.1

Boarding

8.7

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
836 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Crew

9.1

Boarding

8.7

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.

Korean Air
8.4
Very good
1,036 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Crew

9.1

Boarding

8.7

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

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Crew

9.1

Boarding

8.7

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 Air Canada. According to our data, you can fly for as low as $539. Users have also found prices from $546 and $552 on Delta and United 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 $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
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$671Average$1,344FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$830Average$1,089FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$897Average$1,305FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$939Average$1,173FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,207Average$1,256FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,269Average$1,364FlexibilityNo cancel feeOn-time76%
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