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Cheap flights from Seattle to Australia from $569

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
20 Oct — 27 Oct1
1 adult

Cheap American Airlines flights from Seattle to Australia

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Australia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 714,635 searches. Data last updated 15 October 2024.
Check out some of the cheapest American Airlines flights we've come across from Seattle to Australia. It's recommended that users confirm their flight details before booking.
Fri 8/1119:14SEA - SYD
1 stop18h 46mAmerican Airlines
Thu 14/1111:15SYD - SEA
1 stop26h 29mAmerican Airlines
Deal found 14/10$1,411
Sun 20/1018:12SEA - SYD
1 stop19h 53mAmerican Airlines
Wed 6/1111:15SYD - SEA
1 stop26h 29mAmerican Airlines
Deal found 15/10$1,473
Mon 10/213:59SEA - BNE
1 stop22h 16mAmerican Airlines
Thu 27/209:40BNE - SEA
1 stop27h 21mAmerican Airlines
Deal found 14/10$1,552
Thu 6/206:02SEA - MEL
1 stop32h 28mAmerican Airlines
Sun 16/216:20MEL - SEA
1 stop23h 58mAmerican Airlines
Deal found 14/10$2,187

Cheap Delta flights from Seattle to Australia

Explore cheap flight options specifically provided by Delta for the route between Seattle and Australia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 714,635 searches. Data last updated 15 October 2024.
Some of the lowest-priced Delta flights we've found at this time heading from Seattle to Australia. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 14/213:50SEA - SYD
1 stop23h 45mDelta
Sat 1/314:15SYD - SEA
1 stop18h 53mDelta
Deal found 14/10$1,449
Sun 20/1007:15SEA - SYD
2 stops30h 20mDelta
Wed 6/1111:05SYD - SEA
2 stops26h 55mDelta
Deal found 15/10$1,518
Fri 3/111:38SEA - BNE
1 stop26h 07mDelta
Sun 12/110:45BNE - SEA
1 stop21h 23mDelta
Deal found 15/10$2,881

Cheap Seattle to Australia flights in October & November 2024

Find cheap flight options from Seattle to Australia specifically for the months of October and November 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 714,635 searches. Prices were last updated on 15 October 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. For more flight deals, be sure to check back very soon.
Fri 8/1108:30SEA - SYD
3 stops29h 45mUnited Airlines
Thu 14/1111:20SYD - SEA
1 stop21h 23mUnited Airlines
Deal found 14/10$1,442
Tue 12/1119:15SEA - SYD
2 stops26h 25mAir Canada
Tue 19/1111:20SYD - SEA
1 stop22h 10mAir Canada
Deal found 14/10$1,454
Tue 12/1119:14SEA - SYD
1 stop18h 46mAmerican Airlines
Wed 20/1111:15SYD - SEA
2 stops21h 56mAmerican Airlines
Deal found 14/10$1,455
Sun 27/1023:35SEA - SYD
1 stop39h 55mPhilippine Airlines
Sun 24/1111:10SYD - SEA
1 stop26h 00mPhilippine Airlines
Deal found 14/10$1,466
Sun 10/1119:46SEA - SYD
1 stop24h 49mMultiple Airlines
Sat 16/1117:25SYD - SEA
1 stop33h 05mMultiple Airlines
Deal found 14/10$1,472
Sat 9/1113:40SEA - SYD
1 stop23h 55mDelta
Sun 24/1111:05SYD - SEA
1 stop22h 38mDelta
Deal found 14/10$1,480
Mon 11/1123:55SEA - SYD
2 stops38h 10mLufthansa
Sun 24/1112:10SYD - SEA
1 stop19h 43mLufthansa
Deal found 15/10$1,528
Tue 5/1107:15SEA - MEL
1 stop38h 05mMultiple Airlines
Wed 20/1116:50MEL - SEA
1 stop23h 35mMultiple Airlines
Deal found 14/10$1,595
Wed 13/1122:35SEA - BNE
1 stop41h 20mPhilippine Airlines
Wed 20/1111:10BNE - SEA
1 stop25h 00mPhilippine Airlines
Deal found 14/10$1,651

Seattle to Australia 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Australia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 714,635 searches. Data last updated 15 October 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. For more flight deals, be sure to check back very soon.
Fri 8/1108:30SEA - SYD
3 stops29h 45mUnited Airlines
Thu 14/1111:20SYD - SEA
1 stop21h 23mUnited Airlines
Deal found 14/10$1,442
Mon 11/1106:15SEA - SYD
1 stop31h 45mAmerican Airlines
Sun 24/1111:15SYD - SEA
1 stop30h 30mAmerican Airlines
Deal found 15/10$1,458
Tue 12/1119:15SEA - SYD
2 stops23h 35mMultiple Airlines
Tue 19/1111:20SYD - SEA
1 stop26h 12mMultiple Airlines
Deal found 15/10$1,466
Sat 9/1113:40SEA - SYD
1 stop23h 55mDelta
Sun 24/1111:05SYD - SEA
1 stop22h 38mDelta
Deal found 15/10$1,482
Mon 11/1123:55SEA - SYD
2 stops38h 10mLufthansa
Sun 24/1112:10SYD - SEA
1 stop19h 43mLufthansa
Deal found 15/10$1,528
Tue 5/1107:15SEA - MEL
1 stop38h 05mMultiple Airlines
Wed 20/1116:50MEL - SEA
1 stop23h 35mMultiple Airlines
Deal found 14/10$1,595
Wed 13/1122:35SEA - BNE
1 stop41h 20mPhilippine Airlines
Wed 20/1111:10BNE - SEA
1 stop25h 00mPhilippine Airlines
Deal found 14/10$1,651
Thu 7/1112:50SEA - PER
2 stops38h 45mMultiple Airlines
Sat 16/1107:15PER - SEA
2 stops43h 45mMultiple Airlines
Deal found 15/10$1,698
Wed 13/1115:58SEA - SYD
1 stop20h 27mQantas Airways
Wed 20/1117:25SYD - SEA
1 stop19h 30mQantas Airways
Deal found 14/10$1,744

Seattle to Australia flights leaving soon

Find last-minute flight options from Seattle to Australia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 714,635 searches. Data last updated 15 October 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Australia. Tip: verify your flight details before completing your reservation.
Sun 20/1018:12SEA - SYD
1 stop19h 53mAmerican Airlines
Wed 6/1111:15SYD - SEA
1 stop26h 29mAmerican Airlines
Deal found 15/10$1,473
Sun 20/1007:15SEA - SYD
2 stops30h 20mDelta
Wed 6/1111:05SYD - SEA
2 stops26h 55mDelta
Deal found 15/10$1,518
Sun 20/1013:50SEA - SYD
1 stop24h 10mUnited Airlines
Sun 3/1111:50SYD - SEA
2 stops27h 30mUnited Airlines
Deal found 14/10$1,522
Mon 21/1016:58SEA - MEL
1 stop21h 32mUnited Airlines
Mon 18/1113:00MEL - SEA
1 stop29h 44mUnited Airlines
Deal found 14/10$1,935
Sun 20/1018:39SEA - SYD
3 stops31h 06mMultiple Airlines
Sun 3/1121:40SYD - SEA
2 stops20h 10mMultiple Airlines
Deal found 14/10$2,418
Mon 21/1014:59SEA - MEL
2 stops62h 16mCathay Pacific
Sun 3/1100:45MEL - SEA
2 stops49h 30mCathay Pacific
Deal found 15/10$2,450
Tue 22/1001:10SEA - MEL
1 stop40h 35mChina Airlines
Wed 30/1023:20MEL - SEA
1 stop37h 55mChina Airlines
Deal found 14/10$2,491
Sun 20/1001:10SEA - SYD
1 stop40h 35mChina Airlines
Fri 8/1122:10SYD - SEA
1 stop39h 05mChina Airlines
Deal found 14/10$2,572
Fri 25/1001:45SEA - MEL
3 stops35h 35mMultiple Airlines
Sun 3/1110:20MEL - SEA
1 stop26h 50mMultiple Airlines
Deal found 14/10$2,606

One-way flights to Australia from Seattle

Search for one-way flight options from Seattle to Australia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 714,635 searches. Data last updated 15 October 2024.
Users in need of a one-way flight from Seattle to Australia can choose from these deals. Those needing a return flight from Seattle to Australia can use the search form above.
Tue 25/309:45SEA - SYD
3 stops42h 35mMultiple Airlines
Deal found 14/10$569
Sun 23/207:00SEA - AVV
2 stops42h 20mMultiple Airlines
Deal found 15/10$602
Tue 19/1109:25SEA - MEL
2 stops35h 55mMultiple Airlines
Deal found 14/10$654
Tue 25/319:05SEA - SYD
1 stop19h 30mAir Canada
Deal found 14/10$797
Mon 9/1216:56SEA - SYD
1 stop21h 04mQantas Airways
Deal found 14/10$859
Wed 6/1112:50SEA - PER
2 stops50h 55mMultiple Airlines
Deal found 14/10$925
Sat 29/301:42SEA - SYD
1 stop34h 33mAmerican Airlines
Deal found 14/10$948
Mon 31/307:55SEA - SYD
2 stops30h 10mAlaska Airlines
Deal found 14/10$954
Tue 1/410:35SEA - SYD
2 stops39h 40mANA
Deal found 14/10$965

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 714,635 searches. Data last updated 15 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,220 - $1,758

Route

Depart

Return

Price

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 10/11

1 stop24h 49m

Sydney Kingsford Smith

Sat 16/11

2 stops33h 55m

$1,220

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 8/11

1 stop18h 46m

Sydney Kingsford Smith

Thu 14/11

1 stop26h 29m

$1,411

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 1/4

1 stop23h 15m

Sydney Kingsford Smith

Mon 14/4

1 stop17h 30m

$1,423

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 31/1

1 stop20h 02m

Sydney Kingsford Smith

Sat 15/2

1 stop28h 05m

$1,436

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 14/2

1 stop23h 45m

Sydney Kingsford Smith

Sat 1/3

1 stop18h 53m

$1,449

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 27/10

1 stop39h 55m

Sydney Kingsford Smith

Sun 24/11

1 stop26h 00m

$1,466

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 11/11

1 stop18h 46m

Sydney Kingsford Smith

Sun 24/11

1 stop26h 29m

$1,506

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 13/11

1 stop20h 27m

Sydney Kingsford Smith

Wed 20/11

1 stop19h 30m

$1,744

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 13/11

1 stop33h 35m

Sydney Kingsford Smith

Wed 20/11

2 stops27h 42m

$1,758

Flights are sorted by cheapest first

Deals found on 14/10

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 December is currently the most expensive (average of $170). 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 15 October 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 15 October 2024.
Read through reviews of airlines operating flights from Seattle to Australia, such as American Airlines, Delta and Philippine Airlines. 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

Boarding

8.5

Comfort

8.1

Food

7.8

Entertainment

7.2

Overall

8.7

Crew

9.0

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

Boarding

8.5

Comfort

8.1

Food

7.8

Entertainment

7.2

Overall

8.7

Crew

9.0

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
1,351 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Boarding

8.5

Comfort

8.1

Food

7.8

Entertainment

7.2

Overall

8.7

Crew

9.0

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

Boarding

8.5

Comfort

8.1

Food

7.8

Entertainment

7.2

Overall

8.7

Crew

9.0

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
8.4
Very Good
494 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Boarding

8.5

Comfort

8.1

Food

7.8

Entertainment

7.2

Overall

8.7

Crew

9.0

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.

China Airlines
8.3
Very Good
806 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Boarding

8.5

Comfort

8.1

Food

7.8

Entertainment

7.2

Overall

8.7

Crew

9.0

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 Air Canada, which is currently one of the cheapest options available, starting at $797. Qantas Airways flights start at $859 while deals on American Airlines start at $948 one-way.

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

    Most travellers choose Seattle/Tacoma Intl - Sydney Kingsford Smith, Seattle/Tacoma Intl - Melbourne or Seattle/Tacoma Intl - Brisbane 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 December is currently the most expensive (average of $170). 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

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