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Cheap flights from Australia to Seattle from $657

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
5 Apr — 12 Apr1
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 31 March 2025.

Round-trip from

$1,418

One-way from

$657

Popular in

December

Cheapest in

February

Average price

$1,636
6/5-13/5
  • 6/5-13/5
  • 4 total stops
  • 50h 18m total
  • Australia to Seattle
Search Deals
1/5
  • 1/5
  • 1 total stop
  • 30h 55m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($211 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($73 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 31 March 2025.

Wed 11/610:00BNE - SEA
1 stop19h 58mAir Canada
Wed 25/613:45SEA - BNE
1 stop24h 20mAir Canada
Deal found 30/3$1,484
Mon 8/909:20SYD - SEA
1 stop17h 01mAir Canada
Wed 24/913:45SEA - SYD
1 stop24h 35mAir Canada
Deal found 30/3$1,492
Mon 8/906:00SYD - SEA
2 stops20h 21mMultiple Airlines
Wed 24/919:15SEA - SYD
1 stop19h 05mMultiple Airlines
Deal found 30/3$1,508
Wed 11/610:00BNE - SEA
1 stop16h 18mMultiple Airlines
Wed 25/619:15SEA - BNE
2 stops23h 50mMultiple Airlines
Deal found 30/3$1,509
Tue 13/512:55MEL - SEA
2 stops23h 04mMultiple Airlines
Tue 27/507:00SEA - MEL
2 stops35h 30mMultiple Airlines
Deal found 31/3$1,523
Mon 6/1006:00AVV - SEA
2 stops26h 16mMultiple Airlines
Tue 21/1019:15SEA - AVV
2 stops24h 55mMultiple Airlines
Deal found 30/3$1,550
Wed 14/509:30SYD - SEA
1 stop44h 00mAsiana Airlines
Wed 21/514:15SEA - SYD
1 stop24h 15mAsiana Airlines
Deal found 30/3$1,560
Mon 6/1010:15MEL - SEA
1 stop40h 30mSingapore Airlines
Tue 21/1010:15SEA - MEL
1 stop28h 10mSingapore Airlines
Deal found 30/3$1,565
Wed 11/611:50SYD - SEA
2 stops23h 43mANA
Wed 9/713:45SEA - SYD
2 stops26h 40mANA
Deal found 31/3$1,651
Mon 14/720:15MEL - SEA
2 stops35h 01mAir Canada
Tue 29/713:45SEA - MEL
2 stops30h 35mAir Canada
Deal found 30/3$1,659
Tue 27/509:55SYD - SEA
2 stops25h 30mAir New Zealand
Tue 10/612:35SEA - SYD
2 stops27h 10mAir New Zealand
Deal found 30/3$1,686
Fri 9/510:10SYD - SEA
1 stop26h 05mPhilippine Airlines
Fri 23/523:35SEA - SYD
1 stop39h 25mPhilippine Airlines
Deal found 30/3$1,689

Cheapflights Fare Finder

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 31 March 2025.
Use the filters below to find and compare flights from Australia to Seattle that are best for you.

Fly from

Australia

Fly to

Seattle

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 11/6

10:00-12:58

1 stop19h 58m

Seattle/Tacoma Intl

Wed 25/6

13:45-07:05

1 stop24h 20m

$1,484

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 8/9

09:20-09:21

1 stop17h 01m

Seattle/Tacoma Intl

Wed 24/9

13:45-07:20

1 stop24h 35m

$1,492

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 8/9

06:00-09:21

2 stops20h 21m

Seattle/Tacoma Intl

Wed 24/9

19:15-07:20

1 stop19h 05m

$1,508

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 11/6

10:00-09:18

1 stop16h 18m

Seattle/Tacoma Intl

Wed 25/6

19:15-12:05

2 stops23h 50m

$1,509

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 13/5

12:55-18:59

2 stops23h 04m

Seattle/Tacoma Intl

Tue 27/5

07:00-11:30

2 stops35h 30m

$1,523

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 14/5

09:30-12:30

1 stop44h 00m

Seattle/Tacoma Intl

Wed 21/5

14:15-07:30

1 stop24h 15m

$1,560

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 11/6

11:50-18:33

2 stops23h 43m

Seattle/Tacoma Intl

Wed 9/7

13:45-09:25

2 stops26h 40m

$1,651

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 14/7

20:15-14:16

2 stops35h 01m

Seattle/Tacoma Intl

Tue 29/7

13:45-13:20

2 stops30h 35m

$1,659

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 27/5

09:55-18:25

2 stops25h 30m

Seattle/Tacoma Intl

Tue 10/6

12:35-08:45

2 stops27h 10m

$1,686

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 9/5

10:10-19:15

1 stop26h 05m

Seattle/Tacoma Intl

Fri 23/5

23:35-08:00

1 stop39h 25m

$1,689

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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.

Cheapflights Insights

Everything you need to know about your flight from Australia to Seattle

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 $1,473). 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 31 March 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 31 March 2025.
Read reviews from past customers who have flown Air Tahiti Nui, EVA Air and Korean Air 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

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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
1,170 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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
1,051 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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
8.3
Very Good
831 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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 EVA Air, with whom users have recently found tickets for as low as $960. However, be on the lookout for offers from China Airlines and Philippine Airlines, 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 Sydney Kingsford Smith - Seattle/Tacoma Intl. You may also consider Brisbane - Seattle/Tacoma Intl or Melbourne - 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 $1,473). 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

Travelling to a place near Australia?

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 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,003Average$2,013FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,197Average$2,322FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Philippine AirlinesCheapest$1,274Average$1,481FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest$1,284Average$1,535FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Air CanadaCheapest$1,305Average$1,895FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Hawaiian AirlinesCheapest$1,336Average$2,092FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
ANACheapest$1,358Average$1,763FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapest$1,370Average$1,567FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Air New ZealandCheapest$1,398Average$1,576FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,405Average$2,056FlexibilityNo 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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