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Cheap flights from Seattle to Australia from $738

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SYD
2 May — 9 May1
1 adult
Thu 2/5
Thu 9/5

How far in advance should I book a flight from Seattle to Australia?

To save on the cost of your flight from Seattle to Australia, book at least 32 days before your planned departure. Booking around this time can save you about 32% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,896 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,005.

What is the cheapest month to fly from Seattle to Australia?

September can be a great time to fly to Australia from Seattle with a flight ticket averaging about $2,287. Cheapflights users have found deals in the month of September for as cheap as $1,281. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Seattle to Australia (SEA - AU)?

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.

Cheap United Airlines flights from Seattle to Australia

Explore cheap flight options specifically provided by United 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 596,426 searches. Data last updated 27 April 2024.
Check out some of the cheapest United Airlines flights we've come across from Seattle to Australia. It's recommended that users confirm their flight details before booking.
Sun 15/919:45SEA - SYD
1 stop18h 15mUnited Airlines
Mon 30/909:30SYD - SEA
2 stops28h 45mUnited Airlines
Deal found 26/4$1,657
Sun 8/919:45SEA - SYD
1 stop18h 15mUnited Airlines
Tue 17/909:30SYD - SEA
2 stops28h 50mUnited Airlines
Deal found 26/4$1,662
Sun 8/919:45SEA - SYD
1 stop18h 15mUnited Airlines
Wed 18/910:20SYD - SEA
1 stop25h 19mUnited Airlines
Deal found 25/4$1,670
Mon 9/912:55SEA - SYD
1 stop25h 05mUnited Airlines
Mon 16/909:30SYD - SEA
2 stops29h 29mUnited Airlines
Deal found 26/4$1,671
Mon 23/911:03SEA - SYD
2 stops26h 57mUnited Airlines
Mon 7/1011:20SYD - SEA
1 stop18h 22mUnited Airlines
Deal found 26/4$1,677
Thu 8/815:35SEA - SYD
1 stop22h 25mUnited Airlines
Sun 25/810:20SYD - SEA
1 stop19h 46mUnited Airlines
Deal found 26/4$1,734
Sun 20/1016:26SEA - SYD
1 stop21h 34mUnited Airlines
Thu 31/1013:00SYD - SEA
2 stops26h 12mUnited Airlines
Deal found 26/4$1,735
Wed 7/816:30SEA - SYD
1 stop21h 25mUnited Airlines
Thu 7/1111:20SYD - SEA
2 stops22h 45mUnited Airlines
Deal found 26/4$1,748
Fri 2/811:13SEA - SYD
2 stops26h 47mUnited Airlines
Mon 12/810:20SYD - SEA
1 stop18h 15mUnited Airlines
Deal found 25/4$1,754

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 596,426 searches. Data last updated 27 April 2024.
Some of the lowest-priced American Airlines 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.
Wed 15/508:40SEA - SYD
1 stop29h 25mAmerican Airlines
Wed 22/509:15SYD - SEA
1 stop28h 35mAmerican Airlines
Deal found 26/4$2,026
Tue 21/511:32SEA - SYD
2 stops26h 33mAmerican Airlines
Tue 28/509:15SYD - SEA
2 stops28h 49mAmerican Airlines
Deal found 26/4$2,032

Cheap Seattle to Australia flights in April & May 2024

Find cheap flight options from Seattle to Australia specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 596,426 searches. Prices were last updated on 27 April 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.
Tue 21/510:20SEA - SYD
2 stops40h 25mHawaiian Airlines
Tue 28/521:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 25/4$1,751
Mon 20/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
Tue 28/521:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 25/4$1,887
Wed 15/515:55SEA - SYD
2 stops26h 50mMultiple Airlines
Wed 22/513:15SYD - SEA
2 stops24h 16mMultiple Airlines
Deal found 26/4$1,940
Sun 26/513:45SEA - BNE
2 stops27h 50mMultiple Airlines
Sat 1/611:35BNE - SEA
2 stops24h 46mMultiple Airlines
Deal found 26/4$1,940
Sun 26/510:30SEA - SYD
2 stops40h 15mHawaiian Airlines
Sun 2/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 26/4$1,947
Sun 5/517:59SEA - MEL
2 stops24h 56mMultiple Airlines
Sun 12/513:35MEL - SEA
2 stops25h 12mMultiple Airlines
Deal found 26/4$1,971
Wed 15/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
Fri 31/521:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 26/4$2,000
Wed 15/508:40SEA - SYD
1 stop29h 25mAmerican Airlines
Wed 22/509:15SYD - SEA
1 stop28h 35mAmerican Airlines
Deal found 26/4$2,026
Mon 20/511:32SEA - SYD
2 stops26h 33mAmerican Airlines
Mon 27/509:15SYD - SEA
2 stops28h 49mAmerican Airlines
Deal found 26/4$2,032

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 596,426 searches. Data last updated 27 April 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.
Wed 30/1007:40SEA - SYD
1 stop18h 05mHawaiian Airlines
Fri 8/1121:40SYD - SEA
1 stop18h 55mHawaiian Airlines
Deal found 26/4$1,437
Sun 3/1108:10SEA - SYD
1 stop40h 35mHawaiian Airlines
Tue 12/1121:40SYD - SEA
1 stop18h 55mHawaiian Airlines
Deal found 26/4$1,461
Wed 30/1007:40SEA - SYD
1 stop18h 05mHawaiian Airlines
Fri 8/1121:40SYD - SEA
2 stops20h 10mHawaiian Airlines
Deal found 26/4$1,512
Wed 30/1015:20SEA - SYD
1 stop23h 00mAir Canada
Mon 4/1111:20SYD - SEA
1 stop22h 11mAir Canada
Deal found 26/4$1,515
Sun 22/910:15SEA - PER
1 stop27h 55mSingapore Airlines
Mon 14/1013:45PER - SEA
1 stop34h 00mSingapore Airlines
Deal found 24/4$1,536
Sun 15/910:15SEA - PER
1 stop22h 40mSingapore Airlines
Mon 7/1013:45PER - SEA
1 stop34h 00mSingapore Airlines
Deal found 26/4$1,538
Sun 3/1108:10SEA - SYD
1 stop40h 35mHawaiian Airlines
Tue 12/1121:40SYD - SEA
2 stops20h 10mHawaiian Airlines
Deal found 26/4$1,538
Tue 4/610:30SEA - SYD
2 stops40h 15mHawaiian Airlines
Fri 25/1021:40SYD - SEA
1 stop18h 30mHawaiian Airlines
Deal found 25/4$1,546
Sun 3/1109:35SEA - SYD
2 stops39h 10mHawaiian Airlines
Tue 12/1121:40SYD - SEA
2 stops20h 10mHawaiian Airlines
Deal found 26/4$1,547

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 596,426 searches. Data last updated 27 April 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 5/517:59SEA - MEL
2 stops24h 56mMultiple Airlines
Sun 12/513:35MEL - SEA
2 stops25h 12mMultiple Airlines
Deal found 26/4$1,971
Sun 5/510:52SEA - MEL
2 stops32h 03mMultiple Airlines
Sun 12/513:35MEL - SEA
2 stops23h 57mMultiple Airlines
Deal found 26/4$2,096
Sun 5/517:59SEA - MEL
2 stops24h 56mMultiple Airlines
Sun 12/513:35MEL - SEA
2 stops23h 07mMultiple Airlines
Deal found 26/4$2,193
Thu 2/513:30SEA - MEL
2 stops29h 25mMultiple Airlines
Sat 18/512:55MEL - SEA
2 stops24h 05mMultiple Airlines
Deal found 26/4$2,237
Mon 6/513:30SEA - BNE
1 stop24h 10mMultiple Airlines
Sun 19/509:00BNE - SEA
2 stops37h 00mMultiple Airlines
Deal found 26/4$2,283
Sun 5/507:40SEA - MEL
3 stops36h 00mMultiple Airlines
Sun 12/515:45MEL - SEA
2 stops24h 55mMultiple Airlines
Deal found 26/4$2,479
Thu 2/516:30SEA - MEL
1 stop38h 00mQatar Airways
Sat 18/507:15MEL - SEA
2 stops46h 15mQatar Airways
Deal found 26/4$2,571
Mon 6/513:30SEA - BNE
2 stops35h 40mMultiple Airlines
Sun 19/507:00BNE - SEA
3 stops33h 40mMultiple Airlines
Deal found 26/4$2,667
Mon 6/513:30SEA - BNE
1 stop24h 10mMultiple Airlines
Sun 19/509:00BNE - SEA
3 stops31h 40mMultiple Airlines
Deal found 26/4$2,706

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 596,426 searches. Data last updated 27 April 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.
Sun 2/608:35SEA - SYD
1 stop37h 05mMultiple Airlines
Deal found 26/4$738
Wed 29/510:30SEA - SYD
2 stops35h 10mMultiple Airlines
Deal found 26/4$747
Wed 29/508:35SEA - SYD
1 stop37h 05mMultiple Airlines
Deal found 26/4$773
Fri 28/608:35SEA - SYD
1 stop37h 05mMultiple Airlines
Deal found 26/4$837
Sat 18/510:20SEA - MEL
2 stops36h 15mMultiple Airlines
Deal found 26/4$845
Fri 28/610:30SEA - SYD
3 stops35h 10mMultiple Airlines
Deal found 26/4$909
Fri 28/610:30SEA - SYD
2 stops35h 10mMultiple Airlines
Deal found 26/4$956
Sat 18/507:40SEA - MEL
1 stop38h 55mMultiple Airlines
Deal found 26/4$978
Mon 1/708:35SEA - SYD
1 stop37h 05mMultiple Airlines
Deal found 26/4$1,021

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 596,426 searches. Data last updated 27 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,536 - $2,002

Route

Depart

Return

Price

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 22/9

1 stop27h 55m

Perth

Mon 14/10

1 stop34h 00m

$1,536

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 4/6

2 stops40h 15m

Sydney Kingsford Smith

Fri 25/10

1 stop18h 30m

$1,546

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 7/8

1 stop23h 10m

Sydney Kingsford Smith

Thu 7/11

1 stop16h 56m

$1,579

Seattle/Tacoma IntlMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/7

1 stop25h 37m

Melbourne

Thu 29/8

2 stops30h 30m

$1,588

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 15/9

1 stop18h 15m

Sydney Kingsford Smith

Mon 30/9

2 stops28h 45m

$1,657

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 15/9

1 stop28h 05m

Sydney Kingsford Smith

Mon 30/9

1 stop22h 15m

$1,693

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 11/10

1 stop40h 05m

Sydney Kingsford Smith

Sun 20/10

1 stop25h 45m

$1,810

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 15/9

2 stops43h 35m

Perth

Mon 7/10

1 stop28h 45m

$1,974

Seattle/Tacoma IntlBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Thu 15/8

2 stops32h 35m

Brisbane

Sat 24/8

2 stops43h 47m

$2,002

Flights are sorted by cheapest first

Deals found on 24/4

No data available for this route at this time. Please check back soon.

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 27 April 2024.
Read through reviews of airlines operating flights from Seattle to Australia, such as United Airlines, American Airlines 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
77 reviews
Check prices

Crew

8.9

Boarding

8.5

Overall

8.7

Comfort

8.2

Food

7.9

Entertainment

7.4

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

Crew

8.9

Boarding

8.5

Overall

8.7

Comfort

8.2

Food

7.9

Entertainment

7.4

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.

Korean Air
8.5
Very Good
1,188 reviews
Air Tahiti Nui
8.7
Very Good
77 reviews
Check prices

Crew

8.9

Boarding

8.5

Overall

8.7

Comfort

8.2

Food

7.9

Entertainment

7.4

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
8.5
Very Good
948 reviews
Air Tahiti Nui
8.7
Very Good
77 reviews
Check prices

Crew

8.9

Boarding

8.5

Overall

8.7

Comfort

8.2

Food

7.9

Entertainment

7.4

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
1,553 reviews
Air Tahiti Nui
8.7
Very Good
77 reviews
Check prices

Crew

8.9

Boarding

8.5

Overall

8.7

Comfort

8.2

Food

7.9

Entertainment

7.4

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
1,486 reviews
Air Tahiti Nui
8.7
Very Good
77 reviews
Check prices

Crew

8.9

Boarding

8.5

Overall

8.7

Comfort

8.2

Food

7.9

Entertainment

7.4

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.

  • Can I find flights from Seattle to Australia for under $1,600 on Cheapflights?

    Yes, there are multiple flights from Seattle to Australia for under $1,600. The cheapest flight booked recently is on Singapore Airlines for just $1,536, but on average you can expect to pay $1,640.

  • Are there last-minute flights available from Seattle to Australia for under $2,000?

    There are currently 20+ open flights from Seattle to Australia within the next 7 days for less than $2,000.

  • 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 - Melbourne Avalon when deciding on the best route from Seattle to Australia.

  • What does SEA to SYD mean?

    Great question - SEA to SYD just means Seattle/Tacoma Intl Airport to Sydney Kingsford Smith Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Melbourne Airport (MEL), Brisbane Airport (BNE), Perth Airport (PER), Adelaide Airport (ADL), Coolangatta Gold Coast Airport (OOL).

  • Can I find deals for flights from Seattle to Australia that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Australia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Australia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Australia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Seattle to Australia that allow pets onboard?

    Many airlines flying from Seattle to Australia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Australia?

    Yes, you can often find last-minute deals on Seattle to Australia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Australia flight deals updated?

    The Seattle to Australia flight deals you see on this page were last updated on 26/4.

See more FAQs

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Top 4 airlines flying from Seattle to Australia

Discover the top 4 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 596,426 searches. Data last updated 27 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,224Average$2,187FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,305Average$2,061FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapest$1,887Average$2,206FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,474Average$2,740FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
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Search flights from Seattle to Australia by cabin class

Find flights from Seattle to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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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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