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Cheap flights from Seattle to Australia from $596

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
26 Nov — 3 Dec1
1 adult

Cheap flight deals from Seattle to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Australia (AU0). 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 21 November 2024.

Find flight deals from Seattle to Australia

Cheapest flights from Seattle to Australia
Explore the most affordable flight options available from Seattle to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Fri 29/1119:41SEA - SYD
1 stop29h 04mAlaska Airlines
Tue 10/1221:40SYD - SEA
1 stop28h 51mAlaska Airlines
Deal found 20/11$1,405
Wed 4/1209:25SEA - SYD
2 stops39h 20mMultiple Airlines
Mon 9/1214:00SYD - SEA
2 stops29h 10mMultiple Airlines
Deal found 20/11$1,471
Tue 26/1114:13SEA - SYD
1 stop23h 22mDelta
Wed 11/1211:05SYD - SEA
1 stop20h 35mDelta
Deal found 20/11$1,623
Sat 23/1119:41SEA - MEL
1 stop25h 39mMultiple Airlines
Mon 2/1221:30MEL - SEA
2 stops46h 27mMultiple Airlines
Deal found 20/11$1,877
Sun 8/1215:05SEA - BNE
1 stop23h 35mAir Canada
Sun 2/310:45BNE - SEA
1 stop25h 40mAir Canada
Deal found 19/11$1,880
Sun 8/1219:15SEA - BNE
2 stops23h 20mMultiple Airlines
Sun 2/310:45BNE - SEA
1 stop25h 40mMultiple Airlines
Deal found 19/11$1,910
Thu 21/1119:46SEA - SYD
1 stop28h 59mHawaiian Airlines
Thu 28/1121:40SYD - SEA
2 stops20h 10mHawaiian Airlines
Deal found 20/11$2,032
Wed 4/1211:50SEA - BNE
1 stop25h 55mDelta
Wed 15/111:30BNE - SEA
1 stop21h 30mDelta
Deal found 20/11$2,058
Sat 23/1119:11SEA - BNE
2 stops42h 19mUnited Airlines
Wed 4/1211:40BNE - SEA
2 stops27h 25mUnited Airlines
Deal found 20/11$2,090
Wed 27/1115:40SEA - SYD
1 stop23h 50mANA
Mon 2/1221:45SYD - SEA
1 stop34h 35mANA
Deal found 20/11$2,113
Wed 27/1115:05SEA - SYD
1 stop23h 30mAir Canada
Mon 2/1211:45SYD - SEA
2 stops41h 05mAir Canada
Deal found 20/11$2,115
Tue 26/1106:31SEA - MEL
2 stops38h 49mAir New Zealand
Sun 2/208:35MEL - SEA
2 stops26h 10mAir New Zealand
Deal found 20/11$2,351

Find flights from Seattle to Australia within your budget

Customise your flight search to find flights from Seattle to Australia 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 719,399 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 5/2

10:35-08:40

1 stop28h 05m

Brisbane

Thu 10/4

10:00-22:00

1 stop29h 00m

$1,285

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 7/2

11:45-07:45

1 stop26h 00m

Brisbane

Wed 5/3

11:30-15:00

1 stop21h 30m

$1,324

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 31/1

07:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Sat 15/2

21:40-23:30

1 stop20h 50m

$1,365

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 19/1

13:59-07:30

2 stops47h 31m

Brisbane

Sun 9/2

11:40-21:11

2 stops27h 31m

$1,370

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 12/5

08:15-19:45

1 stop18h 30m

Sydney Kingsford Smith

Tue 27/5

21:40-22:25

2 stops41h 45m

$1,388

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 27/1

07:00-08:00

2 stops30h 00m

Sydney Kingsford Smith

Thu 30/1

17:25-15:54

1 stop17h 29m

$1,439

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 25/2

19:05-09:35

1 stop19h 30m

Sydney Kingsford Smith

Tue 4/3

11:20-09:50

1 stop17h 30m

$1,440

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 5/2

21:37-06:50

2 stops38h 13m

Sydney Kingsford Smith

Thu 20/2

14:15-16:40

2 stops21h 25m

$1,549

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Sun 5/1

22:35-09:55

1 stop41h 20m

Brisbane

Sun 12/1

11:10-18:10

1 stop25h 00m

$1,606

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 5/3

22:35-09:30

1 stop39h 55m

Sydney Kingsford Smith

Wed 19/3

11:10-19:10

1 stop26h 00m

$1,657

Flights are sorted by cheapest return flights first.

Deals found on 20/11

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

Have a flexible travel schedule? Discover the best time to fly to Australia from Seattle with our price prediction graph.
Estimated return 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 Seattle to Australia

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

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

Currently, May is the cheapest month in which you can book a flight from Seattle to Australia (average of $129). Flying from Seattle to Australia in October is currently the most expensive (average of $171). 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 SEA to AU?

Find hourly flight availability from Seattle to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

When flying from Seattle to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

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

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

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

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 21 November 2024.
Read through reviews of airlines operating flights from Seattle to Australia, such as Alaska Airlines, ANA and Air Canada. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Boarding

8.5

Overall

8.7

Food

7.7

Entertainment

7.2

Reviews

1 / 2

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
68 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Boarding

8.5

Overall

8.7

Food

7.7

Entertainment

7.2

Reviews

1 / 2

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
1,308 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Boarding

8.5

Overall

8.7

Food

7.7

Entertainment

7.2

Reviews

1 / 2

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
833 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Boarding

8.5

Overall

8.7

Food

7.7

Entertainment

7.2

Reviews

1 / 2

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
1,460 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Boarding

8.5

Overall

8.7

Food

7.7

Entertainment

7.2

Reviews

1 / 2

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
8.3
Very Good
476 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Boarding

8.5

Overall

8.7

Food

7.7

Entertainment

7.2

Reviews

1 / 2

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 Seattle to Australia. 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 from for flights from Seattle to Australia?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Australia. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

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

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $596. Alaska Airlines flights start at $611 while deals on Delta start at $713 one-way.

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

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

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Seattle to Australia (average of $129). Flying from Seattle to Australia in October is currently the most expensive (average of $171). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Seattle to Australia

Discover the top 2 airlines that operate flights from Seattle to Australia. 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 719,399 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,158Average$1,941FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,229Average$1,743FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Australia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Australia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Australia.

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

Certainly. Search results for flights to Australia 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 Australia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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