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Cheap flights from Australia to Seattle from $840

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

Best flights from Australia to Seattle
Discover carefully curated flight deals from Australia to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.

Mon 16/210:45BNE - SEA
1 stop16h 30mAir Canada
Mon 23/220:00SEA - BNE
1 stop18h 45mAir Canada
Deal found 1/1$1,005
Mon 16/219:50BNE - SEA
2 stops31h 25mMultiple Airlines
Mon 23/215:40SEA - BNE
1 stop23h 05mMultiple Airlines
Deal found 1/1$1,037
Fri 6/319:40BNE - SEA
1 stop21h 08mAmerican Airlines
Mon 9/311:26SEA - BNE
2 stops24h 34mAmerican Airlines
Deal found 31/12$1,059
Fri 23/111:40BNE - SEA
2 stops24h 46mUnited Airlines
Mon 26/109:25SEA - BNE
1 stop28h 05mUnited Airlines
Deal found 1/1$1,074
Sun 15/212:00MEL - SEA
1 stop25h 57mQantas Airways
Sun 22/217:50SEA - MEL
1 stop20h 40mQantas Airways
Deal found 31/12$1,261
Sun 15/210:30PER - SEA
2 stops39h 25mJapan Airlines
Sun 22/212:30SEA - PER
2 stops43h 25mJapan Airlines
Deal found 31/12$1,428
Sun 31/509:30SYD - SEA
1 stop22h 25mAsiana Airlines
Fri 26/600:10SEA - SYD
1 stop38h 20mAsiana Airlines
Deal found 1/1$1,480
Thu 4/610:15SYD - SEA
1 stop26h 50mPhilippine Airlines
Sun 28/623:10SEA - SYD
1 stop39h 50mPhilippine Airlines
Deal found 1/1$1,553
Mon 9/221:55PER - SEA
2 stops39h 17mANA
Wed 25/215:45SEA - PER
1 stop36h 25mANA
Deal found 1/1$1,864
Sun 15/206:40PER - SEA
1 stop64h 30mSingapore Airlines
Sun 22/208:45SEA - PER
1 stop38h 00mSingapore Airlines
Deal found 31/12$1,973
Mon 12/111:40BNE - SEA
2 stops40h 15mUnited Airlines
Wed 28/107:00SEA - BNE
2 stops30h 30mUnited Airlines
Deal found 1/1$1,074
Thu 22/111:40BNE - SEA
2 stops24h 46mUnited Airlines
Mon 26/110:58SEA - BNE
2 stops26h 32mUnited Airlines
Deal found 1/1$1,074
Sun 15/207:10MEL - SEA
2 stops21h 05mAir Canada
Sun 22/220:00SEA - MEL
2 stops22h 35mAir Canada
Deal found 31/12$1,288
Mon 12/111:40BNE - SEA
2 stops53h 19mUnited Airlines
Mon 26/109:25SEA - BNE
1 stop28h 05mUnited Airlines
Deal found 1/1$1,074
Mon 16/211:40BNE - SEA
2 stops29h 19mUnited Airlines
Mon 23/215:16SEA - BNE
2 stops22h 14mUnited Airlines
Deal found 1/1$1,076
Fri 29/509:45MEL - SEA
1 stop30h 10mQantas Airways
Wed 24/608:00SEA - MEL
1 stop29h 45mQantas Airways
Deal found 1/1$1,452
Wed 18/307:10MEL - SEA
2 stops20h 21mAir Canada
Sun 22/315:40SEA - MEL
2 stops26h 55mAir Canada
Deal found 31/12$1,383
Mon 26/111:20SYD - SEA
2 stops26h 58mAmerican Airlines
Mon 9/206:00SEA - SYD
1 stop32h 00mAmerican Airlines
Deal found 31/12$1,540
Mon 9/210:30PER - SEA
2 stops39h 25mJapan Airlines
Wed 25/212:30SEA - PER
2 stops43h 25mJapan Airlines
Deal found 1/1$1,555
Sat 16/515:15ADL - SEA
2 stops24h 04mMultiple Airlines
Sun 24/514:32SEA - ADL
2 stops26h 23mMultiple Airlines
Deal found 1/1$1,562
Thu 12/207:50ADL - SEA
2 stops30h 38mQantas Airways
Thu 19/216:50SEA - ADL
2 stops26h 20mQantas Airways
Deal found 30/12$1,462
Sun 15/214:00SYD - SEA
2 stops28h 43mMultiple Airlines
Sun 22/216:50SEA - SYD
2 stops24h 45mMultiple Airlines
Deal found 1/1$1,564
Thu 19/312:30CBR - SEA
2 stops42h 10mQatar Airways
Mon 23/322:53SEA - CBR
3 stops39h 27mQatar Airways
Deal found 31/12$3,639
Sun 15/211:30MEL - SEA
2 stops30h 29mUnited Airlines
Sun 22/219:29SEA - MEL
1 stop19h 31mUnited Airlines
Deal found 31/12$1,321
Fri 13/207:50ADL - SEA
2 stops29h 37mQantas Airways
Fri 20/216:50SEA - ADL
2 stops28h 25mQantas Airways
Deal found 30/12$1,646
Fri 30/113:00MEL - SEA
2 stops27h 15mUnited Airlines
Fri 6/212:25SEA - MEL
2 stops26h 05mUnited Airlines
Deal found 31/12$1,326
Sun 8/201:40PER - SEA
3 stops45h 30mMultiple Airlines
Wed 25/209:55SEA - PER
3 stops35h 05mMultiple Airlines
Deal found 1/1$1,903
Thu 12/218:35ADL - SEA
1 stop31h 05mSingapore Airlines
Thu 19/208:45SEA - ADL
1 stop38h 05mSingapore Airlines
Deal found 30/12$2,313
Wed 18/200:25PER - SEA
2 stops25h 30mJapan Airlines
Mon 23/212:30SEA - PER
2 stops43h 25mJapan Airlines
Deal found 31/12$2,115
Thu 19/306:30CBR - SEA
2 stops26h 31mAir Canada
Mon 23/310:05SEA - CBR
2 stops37h 55mAir Canada
Deal found 30/12$1,928

Find flight deals from Australia to Seattle

Keep the following information in mind while searching for Australia to Seattle flight deals. Data was last updated 2 January 2026.

Round-trip from

$1,005

One-way from

$840

Popular in

July

Cheapest in

August

Average price

$1,943
Air Canada
  • Air Canada
  • 6/3-9/3
  • 2 total stops
  • 50h 56m total
  • Australia to Seattle
Search Deals
Delta
  • Delta
  • 28/1
  • 2 total stops
  • 23h 50m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($59 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 2 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

Mon 16/2

10:45-09:15

1 stop16h 30m

Seattle/Tacoma Intl

Mon 23/2

20:00-08:45

1 stop18h 45m

$1,005

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 16/2

19:50-09:15

2 stops31h 25m

Seattle/Tacoma Intl

Mon 23/2

15:40-08:45

1 stop23h 05m

$1,037

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 6/3

19:40-22:48

1 stop21h 08m

Seattle/Tacoma Intl

Mon 9/3

11:26-05:00

2 stops24h 34m

$1,059

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 23/1

11:40-18:26

2 stops24h 46m

Seattle/Tacoma Intl

Mon 26/1

09:25-07:30

1 stop28h 05m

$1,074

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 12/1

11:40-09:55

2 stops40h 15m

Seattle/Tacoma Intl

Wed 28/1

07:00-07:30

2 stops30h 30m

$1,074

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 22/1

11:40-18:26

2 stops24h 46m

Seattle/Tacoma Intl

Mon 26/1

10:58-07:30

2 stops26h 32m

$1,074

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 12/1

11:40-22:59

2 stops53h 19m

Seattle/Tacoma Intl

Mon 26/1

09:25-07:30

1 stop28h 05m

$1,074

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 16/2

11:40-22:59

2 stops29h 19m

Seattle/Tacoma Intl

Mon 23/2

15:16-07:30

2 stops22h 14m

$1,076

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 15/2

12:00-18:57

1 stop25h 57m

Seattle/Tacoma Intl

Sun 22/2

17:50-09:30

1 stop20h 40m

$1,261

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 15/2

07:10-09:15

2 stops21h 05m

Seattle/Tacoma Intl

Sun 22/2

20:00-13:35

2 stops22h 35m

$1,288

Flights are sorted by cheapest return flights first.

Deals found on 1/1

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 $858). Flying from Australia to Seattle in July is currently the most expensive (average of $1,198). 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 2 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
1,424 reviews
Check prices

Entertainment

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.1

Comfort

8.0

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
1,424 reviews
Singapore Airlines
8.1
Very Good
1,424 reviews
Check prices

Entertainment

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.1

Comfort

8.0

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
433 reviews
Singapore Airlines
8.1
Very Good
1,424 reviews
Check prices

Entertainment

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.1

Comfort

8.0

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
961 reviews
Singapore Airlines
8.1
Very Good
1,424 reviews
Check prices

Entertainment

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.1

Comfort

8.0

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
9,132 reviews
Singapore Airlines
8.1
Very Good
1,424 reviews
Check prices

Entertainment

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.1

Comfort

8.0

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
10,573 reviews
Singapore Airlines
8.1
Very Good
1,424 reviews
Check prices

Entertainment

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.1

Comfort

8.0

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 Air Canada, American Airlines, and United Airlines fly from Australia to Seattle in about 16h 30m. The time it takes to get you to your destination can typically vary by up to 8h 16m. 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 $594. 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 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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $858). Flying from Australia to Seattle in July is currently the most expensive (average of $1,198). 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 2 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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$918Average$1,527FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$974Average$1,352FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,026Average$1,492FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AustraliaCheapest$1,126Average$1,949FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,128Average$1,731FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,129Average$1,739FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$1,130Average$1,633FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,137Average$2,082FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Hawaiian AirlinesCheapest$1,227Average$1,820FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Philippine AirlinesCheapest$1,239Average$1,512FlexibilityNo 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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