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Cheap flights from Australia to Seattle from $600

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

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 9 January 2026.

Round-trip from

$1,001

One-way from

$600

Popular in

July

Cheapest in

August

Average price

$1,918
Air Canada
  • Air Canada
  • 20/2-27/2
  • 2 total stops
  • 35h 15m total
  • Australia to Seattle
Search Deals
Air Canada
  • Air Canada
  • 15/1
  • 1 total stop
  • 26h 31m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($61 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

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 9 January 2026.

Fri 20/210:45BNE - SEA
1 stop16h 30mAir Canada
Fri 27/220:00SEA - BNE
1 stop18h 45mAir Canada
Deal found 7/1$1,001
Fri 20/206:35BNE - SEA
2 stops20h 40mMultiple Airlines
Fri 27/220:00SEA - BNE
1 stop18h 45mMultiple Airlines
Deal found 7/1$1,039
Fri 6/319:40BNE - SEA
1 stop21h 08mAmerican Airlines
Mon 9/318:22SEA - BNE
2 stops41h 38mAmerican Airlines
Deal found 8/1$1,058
Fri 20/211:40BNE - SEA
2 stops29h 19mUnited Airlines
Fri 27/215:16SEA - BNE
2 stops22h 14mUnited Airlines
Deal found 7/1$1,077
Sun 22/211:40BNE - SEA
1 stop27h 21mUnited Airlines
Sun 1/305:05SEA - BNE
1 stop32h 25mUnited Airlines
Deal found 8/1$1,079
Sun 22/211:10BNE - SEA
2 stops45h 21mMultiple Airlines
Sun 1/320:00SEA - BNE
1 stop18h 45mMultiple Airlines
Deal found 8/1$1,085
Fri 6/306:35BNE - SEA
2 stops20h 56mAir Canada
Mon 9/315:40SEA - BNE
2 stops26h 50mAir Canada
Deal found 8/1$1,136
Sun 22/211:10BNE - SEA
2 stops40h 05mAir Canada
Sun 1/315:40SEA - BNE
2 stops31h 15mAir Canada
Deal found 8/1$1,148
Fri 29/506:00MEL - SEA
2 stops33h 20mAir Canada
Wed 24/615:00SEA - MEL
2 stops27h 20mAir Canada
Deal found 8/1$1,286
Thu 29/111:30MEL - SEA
1 stop19h 11mUnited Airlines
Fri 6/206:03SEA - MEL
1 stop32h 57mUnited Airlines
Deal found 7/1$1,324
Sat 21/211:30MEL - SEA
2 stops26h 33mUnited Airlines
Sat 28/219:29SEA - MEL
1 stop19h 31mUnited Airlines
Deal found 6/1$1,325
Tue 3/213:00MEL - SEA
2 stops24h 26mUnited Airlines
Tue 10/207:00SEA - MEL
2 stops31h 30mUnited Airlines
Deal found 8/1$1,327

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 9 January 2026.
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

Fri 20/2

06:35-09:15

2 stops20h 40m

Seattle/Tacoma Intl

Fri 27/2

20:00-08:45

1 stop18h 45m

$1,039

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 6/3

19:40-22:48

1 stop21h 08m

Seattle/Tacoma Intl

Mon 9/3

05:37-05:00

2 stops30h 23m

$1,063

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 20/2

11:40-22:59

2 stops29h 19m

Seattle/Tacoma Intl

Fri 27/2

15:16-07:30

2 stops22h 14m

$1,077

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 22/2

11:40-21:01

1 stop27h 21m

Seattle/Tacoma Intl

Sun 1/3

05:05-07:30

1 stop32h 25m

$1,079

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 22/2

11:10-14:31

2 stops45h 21m

Seattle/Tacoma Intl

Sun 1/3

20:00-08:45

1 stop18h 45m

$1,085

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 22/2

11:10-09:15

2 stops40h 05m

Seattle/Tacoma Intl

Sun 1/3

15:40-16:55

2 stops31h 15m

$1,148

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

06:00-22:20

2 stops33h 20m

Seattle/Tacoma Intl

Wed 24/6

15:00-11:20

2 stops27h 20m

$1,286

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 6/3

06:05-09:31

2 stops21h 26m

Seattle/Tacoma Intl

Mon 9/3

15:40-11:30

2 stops26h 50m

$1,306

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 29/1

11:30-18:26

2 stops25h 56m

Seattle/Tacoma Intl

Fri 6/2

10:58-09:30

2 stops27h 32m

$1,324

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 21/2

11:30-19:03

2 stops26h 33m

Seattle/Tacoma Intl

Sat 28/2

19:29-10:00

1 stop19h 31m

$1,325

Flights are sorted by cheapest return flights first.

Deals found on 8/1

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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $855). Flying from Australia to Seattle in July is currently the most expensive (average of $1,189). 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.

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 9 January 2026.
Read through reviews of airlines operating flights from Australia to Seattle, such as Singapore Airlines, Virgin Australia, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.1
Very Good
1,430 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Virgin Australia
7.6
Good
430 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Qantas Airways
7.5
Good
968 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
United Airlines
7.4
Good
9,143 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Air Canada
7.1
Good
10,603 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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.

  • How long is the flight from Australia to Seattle?

    Airlines like American Airlines, United Airlines, and Air Canada fly from Australia to Seattle in about 21h 08m. The time it takes to get you to your destination can typically vary by up to 12h 12m. Australia and Seattle are separated by a distance of 11822 km. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $592. However, be on the lookout for offers from Qantas Airways and United 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 Melbourne - Seattle/Tacoma Intl or Canberra - 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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $855). Flying from Australia to Seattle in July is currently the most expensive (average of $1,189). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Ocean Shores

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Fly from Australia to Seattle on these airlines

Choose from the following airlines for your flight from Australia to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 9 January 2026.
United Airlines flights from Australia to Seattle/Tacoma Intl

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 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$915Average$1,521FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,007Average$1,474FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,010Average$1,349FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$1,112Average$1,618FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,121Average$1,937FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,123Average$1,725FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,124Average$1,732FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$1,132Average$2,074FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Hawaiian AirlinesCheapest$1,222Average$1,821FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Philippine AirlinesCheapest$1,234Average$1,506FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines 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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