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Cheap flights from Australia to Seattle from $687

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

$1,348

One-way from

$687

Popular in

December

Cheapest in

March

Average price

$1,535
United Airlines
  • United Airlines
  • 10/3-19/3
  • 2 total stops
  • 42h 43m total
  • Australia to Seattle
Search Deals
2/5
  • 2/5
  • 2 total stops
  • 24h 02m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($263 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($79 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 21 February 2025.

Mon 10/310:40BNE - SEA
1 stop20h 03mUnited Airlines
Wed 19/314:50SEA - BNE
1 stop22h 40mUnited Airlines
Deal found 20/2$1,348
Mon 11/809:20SYD - SEA
1 stop17h 01mAir Canada
Mon 18/819:15SEA - SYD
1 stop19h 05mAir Canada
Deal found 19/2$1,378
Mon 10/314:00SYD - SEA
2 stops23h 59mMultiple Airlines
Sun 23/315:12SEA - SYD
2 stops27h 18mMultiple Airlines
Deal found 20/2$1,384
Wed 23/706:00MEL - SEA
2 stops20h 21mMultiple Airlines
Wed 6/819:15SEA - MEL
2 stops22h 20mMultiple Airlines
Deal found 21/2$1,431
Mon 31/322:15BNE - SEA
1 stop38h 15mEVA Air
Tue 29/701:10SEA - BNE
1 stop25h 50mEVA Air
Deal found 20/2$1,461
Wed 23/720:30MEL - SEA
2 stops29h 51mAir Canada
Wed 13/819:15SEA - MEL
2 stops23h 20mAir Canada
Deal found 21/2$1,464
Fri 21/311:10SYD - SEA
1 stop26h 00mPhilippine Airlines
Sun 13/423:30SEA - SYD
1 stop39h 30mPhilippine Airlines
Deal found 20/2$1,467
Wed 23/409:30MEL - SEA
2 stops26h 07mUnited Airlines
Wed 30/412:54SEA - MEL
2 stops25h 36mUnited Airlines
Deal found 20/2$1,494
Mon 10/318:30BNE - SEA
2 stops37h 00mMultiple Airlines
Wed 19/310:35SEA - BNE
1 stop28h 05mMultiple Airlines
Deal found 20/2$1,505
Wed 5/312:10SYD - SEA
1 stop21h 12mUnited Airlines
Sat 8/319:11SEA - SYD
2 stops40h 49mUnited Airlines
Deal found 19/2$1,521
Thu 20/308:05BNE - SEA
1 stop32h 04mAmerican Airlines
Wed 2/406:10SEA - BNE
1 stop29h 50mAmerican Airlines
Deal found 20/2$1,533
Thu 24/720:50AVV - SEA
2 stops29h 31mMultiple Airlines
Tue 5/819:15SEA - AVV
2 stops25h 55mMultiple Airlines
Deal found 20/2$1,596

Find flights from Australia to Seattle within your budget

Customise 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 647,157 searches. Data last updated 21 February 2025.

Fly from

Australia

Fly to

Seattle

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 10/3

10:40-13:43

1 stop20h 03m

Seattle/Tacoma Intl

Wed 19/3

14:50-06:30

1 stop22h 40m

$1,348

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 11/8

09:20-09:21

1 stop17h 01m

Seattle/Tacoma Intl

Mon 18/8

19:15-07:20

1 stop19h 05m

$1,378

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 10/3

14:00-19:59

2 stops23h 59m

Seattle/Tacoma Intl

Sun 23/3

15:12-12:30

2 stops27h 18m

$1,384

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 23/7

06:00-09:21

2 stops20h 21m

Seattle/Tacoma Intl

Wed 6/8

19:15-10:35

2 stops22h 20m

$1,431

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 31/3

22:15-19:30

1 stop38h 15m

Seattle/Tacoma Intl

Tue 29/7

01:10-20:00

1 stop25h 50m

$1,461

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 23/7

20:30-09:21

2 stops29h 51m

Seattle/Tacoma Intl

Wed 13/8

19:15-11:35

2 stops23h 20m

$1,464

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 21/3

11:10-19:10

1 stop26h 00m

Seattle/Tacoma Intl

Sun 13/4

23:30-08:00

1 stop39h 30m

$1,467

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 23/4

09:30-23:00

2 stops30h 30m

Seattle/Tacoma Intl

Wed 30/4

17:10-07:30

1 stop21h 20m

$1,494

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 10/3

18:30-14:30

2 stops37h 00m

Seattle/Tacoma Intl

Wed 19/3

10:35-07:40

1 stop28h 05m

$1,505

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 5/3

12:10-21:01

2 stops27h 51m

Seattle/Tacoma Intl

Sat 8/3

23:21-07:00

2 stops36h 39m

$1,521

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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 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 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, March is the cheapest month in which you can book a flight from Australia to Seattle (average of $875). Flying from Australia to Seattle in December is currently the most expensive (average of $1,487). 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 21 February 2025.

When flying from Australia to Seattle, 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 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 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 21 February 2025.
Read reviews from past customers who have flown Air Tahiti Nui, EVA Air and ANA from Australia to Seattle. In addition to providing an overall rating, 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
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

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
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

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
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

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
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

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
1,037 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

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
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

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?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Australia to Seattle. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $853. However, be on the lookout for offers from United Airlines and EVA Air, as they are both options that can get you from Australia to Seattle for a low price.

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

    The most popular route from Australia to Seattle is Melbourne - Seattle/Tacoma Intl. You may also consider Sydney Kingsford Smith - Seattle/Tacoma Intl or Brisbane - Seattle/Tacoma Intl.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Australia to Seattle (average of $875). Flying from Australia to Seattle in December is currently the most expensive (average of $1,487). 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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Book flights to Australia if you plan to visit one of these locations
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Top 10 airlines flying from Australia to Seattle

Discover the top 10 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 647,157 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$989Average$1,964FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,028Average$2,157FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air CanadaCheapest$1,178Average$1,780FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Philippine AirlinesCheapest$1,256Average$1,464FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest$1,266Average$1,548FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Hawaiian AirlinesCheapest$1,330Average$1,826FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
ANACheapest$1,335Average$1,737FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapest$1,351Average$1,545FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
China AirlinesCheapest$1,358Average$1,750FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Qantas AirwaysCheapest$1,367Average$2,081FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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 Australia to Seattle?

Cheapflights makes it easy to find Australia to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Seattle from Australia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Australia to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Australia to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Australia today and book when prices fit your budget.

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