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Cheap flights from Seattle to Australia from $637

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 22/9. 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
20 5월 — 27 5월1
1 adult
월 20/5
월 27/5

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 37 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,734 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,117.

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

February can be a great time to fly to Australia from Seattle with a flight ticket averaging about $1,789. Cheapflights users have found deals in the month of February for as cheap as $1,225. The most expensive prices can be found in the month of June.

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 Hawaiian Airlines flights from Seattle to Australia

Explore cheap flight options specifically provided by Hawaiian 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 533,989 searches. Data last updated 15 5월 2024.
Check out some of the cheapest Hawaiian Airlines flights we've come across from Seattle to Australia. It's recommended that users confirm their flight details before booking.
목 30/508:35SEA - SYD
1 stop18h 10mHawaiian Airlines
목 20/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,519
수 29/510:30SEA - SYD
2 stops40h 15mHawaiian Airlines
목 20/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 13/5$1,561
목 30/510:30SEA - SYD
2 stops40h 15mHawaiian Airlines
목 20/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,563
토 18/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
토 25/521:40SYD - SEA
1 stop17h 05mHawaiian Airlines
Deal found 14/5$1,683
토 18/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
토 25/521:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,688
일 2/610:30SEA - SYD
2 stops40h 15mHawaiian Airlines
일 16/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,721
토 18/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
금 24/521:40SYD - SEA
1 stop17h 05mHawaiian Airlines
Deal found 14/5$1,752
일 4/810:30SEA - SYD
2 stops40h 15mHawaiian Airlines
일 11/821:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,772
목 30/508:35SEA - SYD
1 stop18h 10mHawaiian Airlines
목 20/621:40SYD - SEA
1 stop17h 05mHawaiian Airlines
Deal found 14/5$1,827

Cheap Air Canada flights from Seattle to Australia

Explore cheap flight options specifically provided by Air Canada 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 533,989 searches. Data last updated 15 5월 2024.
Some of the lowest-priced Air Canada 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.
수 7/819:05SEA - SYD
1 stop19h 15mAir Canada
목 7/1111:20SYD - SEA
1 stop22h 11mAir Canada
Deal found 14/5$1,638
목 1/813:10SEA - SYD
1 stop25h 10mAir Canada
목 22/809:20SYD - SEA
1 stop17h 44mAir Canada
Deal found 14/5$1,694
일 4/815:10SEA - SYD
1 stop23h 10mAir Canada
일 11/809:20SYD - SEA
1 stop17h 44mAir Canada
Deal found 14/5$1,796
금 1/1115:20SEA - BNE
1 stop23h 15mAir Canada
일 17/1110:45BNE - SEA
1 stop16h 31mAir Canada
Deal found 14/5$1,809
일 3/1119:05SEA - BNE
1 stop19h 30mAir Canada
일 17/1110:45BNE - SEA
1 stop21h 46mAir Canada
Deal found 14/5$1,934
일 16/619:05SEA - BNE
1 stop18h 55mAir Canada
토 13/710:00BNE - SEA
1 stop21h 34mAir Canada
Deal found 14/5$2,202
목 13/619:05SEA - SYD
1 stop19h 15mAir Canada
수 26/609:20SYD - SEA
1 stop20h 10mAir Canada
Deal found 15/5$2,275
월 20/519:05SEA - SYD
1 stop19h 15mAir Canada
화 28/509:20SYD - SEA
1 stop17h 42mAir Canada
Deal found 15/5$2,597
토 13/719:05SEA - BNE
1 stop18h 55mAir Canada
월 22/710:00BNE - SEA
1 stop17h 04mAir Canada
Deal found 15/5$2,638

Cheap Seattle to Australia flights in May & June 2024

Find cheap flight options from Seattle to Australia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 533,989 searches. Prices were last updated on 15 5월 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.
목 30/508:35SEA - SYD
1 stop18h 10mHawaiian Airlines
목 20/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,519
수 29/510:30SEA - SYD
2 stops40h 15mHawaiian Airlines
목 20/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 13/5$1,561
목 30/510:30SEA - SYD
2 stops40h 15mHawaiian Airlines
목 20/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,563
토 18/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
토 25/521:40SYD - SEA
1 stop17h 05mHawaiian Airlines
Deal found 14/5$1,683
토 18/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
토 25/521:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,688
일 2/610:30SEA - SYD
2 stops40h 15mHawaiian Airlines
일 16/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,721
목 13/613:10SEA - SYD
1 stop25h 10mMultiple Airlines
목 27/607:05SYD - SEA
2 stops19h 55mMultiple Airlines
Deal found 15/5$1,743
토 18/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
금 24/521:40SYD - SEA
1 stop17h 05mHawaiian Airlines
Deal found 14/5$1,752
토 15/611:42SEA - BNE
2 stops26h 18mMultiple Airlines
일 7/710:00BNE - SEA
1 stop17h 04mMultiple Airlines
Deal found 15/5$1,787

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 533,989 searches. Data last updated 15 5월 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.
화 22/1010:15SEA - PER
1 stop22h 40mSingapore Airlines
수 20/1117:30PER - SEA
1 stop29h 45mSingapore Airlines
Deal found 14/5$1,482
일 3/1108:10SEA - SYD
1 stop40h 35mHawaiian Airlines
일 17/1121:40SYD - SEA
2 stops20h 10mHawaiian Airlines
Deal found 14/5$1,512
수 4/1219:05SEA - SYD
2 stops22h 45mMultiple Airlines
수 11/1211:20SYD - SEA
1 stop22h 11mMultiple Airlines
Deal found 14/5$1,515
일 29/1217:59SEA - SYD
1 stop19h 36mDelta
수 22/111:05SYD - SEA
1 stop22h 03mDelta
Deal found 14/5$1,516
월 28/1019:05SEA - SYD
2 stops23h 15mMultiple Airlines
월 18/1109:00SYD - SEA
2 stops19h 16mMultiple Airlines
Deal found 15/5$1,518
목 30/508:35SEA - SYD
1 stop18h 10mHawaiian Airlines
목 20/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 14/5$1,519
월 23/909:30SEA - SYD
1 stop28h 05mDelta
월 14/1010:25SYD - SEA
2 stops26h 13mDelta
Deal found 13/5$1,522
일 29/1213:34SEA - SYD
2 stops22h 16mDelta
일 26/111:05SYD - SEA
1 stop28h 29mDelta
Deal found 14/5$1,524
토 21/1220:15SEA - SYD
1 stop39h 35mDelta
화 31/1214:15SYD - SEA
1 stop19h 30mDelta
Deal found 14/5$1,528

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 533,989 searches. Data last updated 15 5월 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.
월 20/519:00SEA - SYD
2 stops23h 45mMultiple Airlines
토 1/614:40SYD - SEA
2 stops20h 36mMultiple Airlines
Deal found 15/5$2,000
월 20/515:55SEA - SYD
1 stop21h 55mQantas Airways
수 29/517:35SYD - SEA
1 stop20h 15mQantas Airways
Deal found 15/5$2,180
월 20/515:55SEA - SYD
1 stop21h 55mQantas Airways
목 30/517:35SYD - SEA
1 stop20h 15mQantas Airways
Deal found 15/5$2,251
목 23/512:28SEA - MEL
2 stops30h 07mQantas Airways
토 1/611:55MEL - SEA
1 stop28h 26mQantas Airways
Deal found 15/5$2,267
월 27/512:28SEA - HBA
2 stops29h 52mQantas Airways
화 13/806:00HBA - SEA
2 stops25h 00mQantas Airways
Deal found 15/5$2,296
화 21/515:55SEA - SYD
1 stop23h 15mQantas Airways
월 27/509:15SYD - SEA
1 stop28h 35mQantas Airways
Deal found 15/5$2,302
월 20/517:44SEA - SYD
1 stop20h 06mQantas Airways
금 31/510:20SYD - SEA
1 stop19h 02mQantas Airways
Deal found 15/5$2,321
월 27/513:10SEA - HBA
3 stops34h 55mAir New Zealand
화 13/806:00HBA - SEA
3 stops29h 22mAir New Zealand
Deal found 14/5$2,372
월 27/513:10SEA - HBA
3 stops34h 55mAir New Zealand
화 13/806:00HBA - SEA
3 stops29h 22mAir New Zealand
Deal found 15/5$2,383

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 533,989 searches. Data last updated 15 5월 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.
일 22/920:56SEA - BNE
2 stops41h 34mMultiple Airlines
Deal found 15/5$637
월 23/920:56SEA - BNE
2 stops28h 49mMultiple Airlines
Deal found 15/5$727
수 25/920:56SEA - BNE
2 stops42h 04mMultiple Airlines
Deal found 15/5$869
목 26/920:56SEA - BNE
2 stops28h 59mMultiple Airlines
Deal found 15/5$923
금 12/708:45SEA - SYD
1 stop36h 55mMultiple Airlines
Deal found 15/5$965
금 12/710:30SEA - SYD
2 stops35h 10mMultiple Airlines
Deal found 15/5$974
금 27/920:56SEA - BNE
2 stops42h 04mMultiple Airlines
Deal found 15/5$1,004
목 11/720:58SEA - BNE
2 stops28h 57mMultiple Airlines
Deal found 14/5$1,006
화 24/920:56SEA - BNE
2 stops42h 19mMultiple Airlines
Deal found 15/5$1,007

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 533,989 searches. Data last updated 15 5월 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,482 - $1,949

Route

Depart

Return

Price

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

화 22/10

1 stop22h 40m

Perth

수 20/11

1 stop29h 45m

$1,482

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

목 30/5

1 stop18h 10m

Sydney Kingsford Smith

목 20/6

2 stops41h 55m

$1,519

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

화 6/8

2 stops22h 45m

Sydney Kingsford Smith

수 18/9

1 stop20h 10m

$1,624

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

수 7/8

1 stop19h 15m

Sydney Kingsford Smith

목 7/11

1 stop22h 11m

$1,638

Seattle/Tacoma IntlMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

화 6/8

2 stops32h 25m

Melbourne

수 18/9

2 stops26h 41m

$1,827

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

일 23/6

1 stop26h 17m

Sydney Kingsford Smith

일 14/7

1 stop19h 47m

$1,899

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

수 24/7

1 stop23h 25m

Sydney Kingsford Smith

일 4/8

1 stop27h 31m

$1,934

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

화 22/10

2 stops43h 35m

Perth

수 20/11

1 stop29h 05m

$1,938

Seattle/Tacoma IntlBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

일 13/10

1 stop40h 50m

Brisbane

일 27/10

1 stop25h 45m

$1,949

Flights are sorted by cheapest first

Deals found on 14/5

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 15 5월 2024.
Read through reviews of airlines operating flights from Seattle to Australia, such as Hawaiian Airlines, Air Canada and United 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
76 reviews
Check prices

Overall

8.7

Crew

8.9

Food

7.9

Comfort

8.1

Boarding

8.5

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

Overall

8.7

Crew

8.9

Food

7.9

Comfort

8.1

Boarding

8.5

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
920 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Overall

8.7

Crew

8.9

Food

7.9

Comfort

8.1

Boarding

8.5

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.

Asiana Airlines
8.4
Very Good
581 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Overall

8.7

Crew

8.9

Food

7.9

Comfort

8.1

Boarding

8.5

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
1,515 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Overall

8.7

Crew

8.9

Food

7.9

Comfort

8.1

Boarding

8.5

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
1,471 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Overall

8.7

Crew

8.9

Food

7.9

Comfort

8.1

Boarding

8.5

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 $1,500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Australia for under $1,500. The cheapest flight booked recently is on Singapore Airlines for just $1,482, but on average you can expect to pay $1,623.

  • 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 15/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 533,989 searches. Data last updated 15 5월 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,201Average$2,168FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,281Average$2,022FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapest$1,852Average$2,707FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,427Average$2,688FlexibilityNo 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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