How long does it take to fly to Seattle?

Flight times vary depending on what airport in Australia you fly out of and what airport in Seattle you fly into. For example, flying from Sydney to Seattle takes 17h 36m on average. On the other hand, flying from Melbourne to Seattle takes 18h 25m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Australia to Seattle/Tacoma Intl?

Delta, United Airlines, and Cathay Pacific are the most popular carriers operating from Australia to Seattle/Tacoma Intl

When did momondo last update prices for flights from Australia to Seattle/Tacoma Intl Airport?

Prices for flights from Australia to Seattle/Tacoma Intl Airport are updated daily.

How many operators does momondo search for flights from Australia to Seattle/Tacoma Intl Airport?

As of September 2026, there are 2 operators available to choose from for flights from Australia to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Australia to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$549 Cheap Flights from Australia to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Seattle

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

10:15 am - 6:36 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 21m2 stops Los Angeles Los Angeles Salt Lake City

5:45 pm - 7:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 05m1 stop Los Angeles Los Angeles

$937Delta

Mon, Oct 5 - Sun, Oct 18

10:15 am - 2:50 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 35m2 stops Los Angeles Los Angeles Salt Lake City

7:15 am - 7:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 15m2 stops Salt Lake City Los Angeles Los Angeles

$937Delta

Tue, Oct 6 - Tue, Oct 27

10:15 am - 8:27 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 12m1 stop Los Angeles Los Angeles

11:05 am - 7:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 25m2 stops Salt Lake City Los Angeles Los Angeles

$937Delta

Tue, Oct 6 - Tue, Oct 27

10:15 am - 4:55 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 40m2 stops Los Angeles Los Angeles Salt Lake City

1:30 pm - 7:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 00m2 stops Salt Lake City Los Angeles Los Angeles

$937Delta

Tue, Oct 13 - Wed, Oct 28

11:20 am - 2:17 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 57m1 stop San Francisco

11:59 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 01m1 stop Houston George Bush Intcntl

$978United Airlines

Wed, Oct 21 - Sat, Nov 14

10:30 am - 4:03 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 33m2 stops Los Angeles Los Angeles Denver Intl

11:59 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 01m1 stop Houston George Bush Intcntl

$978United Airlines

Mon, Oct 19 - Sat, Nov 14

10:30 am - 5:37 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 07m2 stops Los Angeles Los Angeles Denver Intl

11:59 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 01m1 stop Houston George Bush Intcntl

$978United Airlines

Tue, Oct 20 - Sat, Nov 14

10:45 am - 9:30 amBNE Brisbane-SEA Seattle/Tacoma Intl

16h 45m1 stop Vancouver Intl

3:15 pm - 7:05 amSEA Seattle/Tacoma Intl-BNE Brisbane

22h 50m1 stop Vancouver Intl

$1,019Air Canada

Tue, Mar 2 - Thu, Apr 1

9:45 am - 6:22 pmBNE Brisbane-SEA Seattle/Tacoma Intl

25h 37m1 stop Vancouver Intl

10:10 am - 8:45 amSEA Seattle/Tacoma Intl-BNE Brisbane

28h 35m1 stop Vancouver Intl

$1,022Air Canada

Tue, Oct 27 - Tue, Nov 3

11:20 am - 6:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 02m1 stop Vancouver Intl

3:15 pm - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

$1,057Air Canada

Mon, Feb 15 - Thu, Mar 4

Recent last minute flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

9:10 am - 11:29 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 19m1 stop Los Angeles Los Angeles

5:02 pm - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

$1,036Multiple Airlines

Sun, Sep 20 - Wed, Sep 30

9:10 am - 5:34 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 24m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

12:55 pm - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles Los Angeles

$1,063Qantas Airways

Sun, Sep 20 - Wed, Sep 30

10:00 pm - 12:25 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

31h 25m2 stops Melbourne Los Angeles Los Angeles

6:00 am - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 05m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

$1,087Qantas Airways

Sun, Sep 20 - Wed, Sep 30

9:10 am - 3:47 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 37m1 stop Los Angeles Los Angeles

8:45 pm - 8:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 20m1 stop Los Angeles Los Angeles

$1,193Multiple Airlines

Sat, Sep 19 - Sat, Oct 3

9:15 am - 4:50 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 35m2 stops Los Angeles Los Angeles Salt Lake City

5:55 pm - 7:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 55m1 stop Los Angeles Los Angeles

$1,398Delta

Sat, Sep 19 - Sat, Oct 3

9:15 am - 10:05 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 50m1 stop Los Angeles Los Angeles

5:55 pm - 7:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 55m1 stop Los Angeles Los Angeles

$1,398Delta

Fri, Sep 18 - Sat, Oct 3

10:20 am - 12:20 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 00m1 stop San Francisco

5:21 pm - 7:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 34m1 stop San Francisco

$1,527United Airlines

Fri, Sep 18 - Sun, Oct 4

9:30 am - 11:24 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 54m1 stop Los Angeles Los Angeles

1:19 pm - 7:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 36m1 stop San Francisco

$1,527United Airlines

Sat, Sep 19 - Sun, Oct 4

8:45 pm - 10:05 amBNE Brisbane-SEA Seattle/Tacoma Intl

30h 20m2 stops Sydney Kingsford Smith Vancouver Intl

7:15 pm - 7:05 amSEA Seattle/Tacoma Intl-BNE Brisbane

18h 50m1 stop Vancouver Intl

$1,576Air Canada

Wed, Sep 23 - Fri, Sep 25

8:45 pm - 10:05 amBNE Brisbane-SEA Seattle/Tacoma Intl

30h 20m2 stops Sydney Kingsford Smith Vancouver Intl

7:15 pm - 2:30 pmSEA Seattle/Tacoma Intl-BNE Brisbane

26h 15m2 stops Vancouver Intl Sydney Kingsford Smith

$1,709Air Canada

Wed, Sep 23 - Fri, Sep 25

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Qantas Airways flights from Australia to Seattle

Our best Qantas Airways deals on Australia to Seattle flight tickets

Qantas Airways

Oct 22

SYD10:10 amSydney Kingsford Smith

20h 06m

1 stop

SEA12:16 pmSeattle/Tacoma Intl

Oct 28

SEA7:08 pmSeattle/Tacoma Intl

19h 52m

1 stop

SYD9:00 amSydney Kingsford Smith

$970

Qantas Airways

Oct 20

SYD10:10 amSydney Kingsford Smith

20h 06m

1 stop

SEA12:16 pmSeattle/Tacoma Intl

Nov 20

SEA3:46 pmSeattle/Tacoma Intl

19h 39m

1 stop

SYD6:25 amSydney Kingsford Smith

$1,002

Qantas Airways

Nov 22

SYD11:10 amSydney Kingsford Smith

22h 32m

1 stop

SEA2:42 pmSeattle/Tacoma Intl

Dec 4

SEA3:55 pmSeattle/Tacoma Intl

19h 30m

1 stop

SYD6:25 amSydney Kingsford Smith

$1,026

Air Canada flights from Australia to Seattle

Our best Air Canada deals on Australia to Seattle flight tickets

Air Canada

Mar 2

BNE10:45 amBrisbane

16h 45m

1 stop

SEA9:30 amSeattle/Tacoma Intl

Apr 1

SEA3:15 pmSeattle/Tacoma Intl

22h 50m

1 stop

BNE7:05 amBrisbane

$1,019

Air Canada

Oct 27

BNE9:45 amBrisbane

25h 37m

1 stop

SEA6:22 pmSeattle/Tacoma Intl

Nov 3

SEA10:10 amSeattle/Tacoma Intl

28h 35m

1 stop

BNE8:45 amBrisbane

$1,022

Air Canada

Mar 2

BNE10:45 amBrisbane

16h 45m

1 stop

SEA9:30 amSeattle/Tacoma Intl

Apr 1

SEA7:05 pmSeattle/Tacoma Intl

25h 25m

2 stops

BNE1:30 pmBrisbane

$1,040

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 10/5

10:15 am-6:36 pm

2 stops26h 21m

Seattle/Tacoma Intl

Sun 10/18

5:45 pm-7:50 am

1 stop20h 05m

$937

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 10/6

10:15 am-2:50 pm

2 stops22h 35m

Seattle/Tacoma Intl

Tue 10/27

7:15 am-7:30 am

2 stops30h 15m

$937

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 10/6

10:15 am-8:27 pm

1 stop28h 12m

Seattle/Tacoma Intl

Tue 10/27

11:05 am-7:30 am

2 stops26h 25m

$937

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 10/13

10:15 am-4:55 pm

2 stops24h 40m

Seattle/Tacoma Intl

Wed 10/28

1:30 pm-7:30 am

2 stops24h 00m

$937

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 10/21

11:20 am-2:17 pm

1 stop20h 57m

Seattle/Tacoma Intl

Sat 11/14

11:59 pm-7:00 am

1 stop36h 01m

$978

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 10/19

10:30 am-4:03 pm

2 stops23h 33m

Seattle/Tacoma Intl

Sat 11/14

11:59 pm-7:00 am

1 stop36h 01m

$978

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 10/20

10:30 am-5:37 pm

2 stops25h 07m

Seattle/Tacoma Intl

Sat 11/14

11:59 pm-7:00 am

1 stop36h 01m

$978

Quickest round-trip

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Tue 3/2

10:45 am-9:30 am

1 stop16h 45m

Seattle/Tacoma Intl

Thu 4/1

3:15 pm-7:05 am

1 stop22h 50m

$1,019

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Tue 10/27

9:45 am-6:22 pm

1 stop25h 37m

Seattle/Tacoma Intl

Tue 11/3

10:10 am-8:45 am

1 stop28h 35m

$1,022

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 2/15

11:20 am-6:22 pm

1 stop26h 02m

Seattle/Tacoma Intl

Thu 3/4

3:15 pm-9:35 am

1 stop23h 20m

$1,057

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Australia to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Australia to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $889. If you don’t want to visit Seattle in March, then you should wait until February to fly from Australia, when ticket prices are also cheap, with an average price of $1,028.

How far in advance should I book a flight from Australia to Seattle?

You are more likely to see cheaper flights to Seattle from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,112 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Australia for as low as $1,030 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Australia to Seattle flight.

Cheap Australia to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Seattle

Best Price Found	$549
Fastest flight time	17h 36m
Direct flights	None

The best one-way flight to Seattle from Australia in the past 72 hours is $549. The best round-trip flight deal from Australia to Seattle found on momondo in the last 72 hours is $937.

The fastest flight from Australia to Seattle takes 17h 36m

There are no direct flights from Australia to Seattle. There are no popular flight routes from Australia to Seattle.

Search flight deals

Frequently asked questions about flying from Australia to Seattle

When did momondo last update prices for flights from Australia to Seattle/Tacoma Intl Airport?
Prices for flights from Australia to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Australia to Seattle/Tacoma Intl Airport?
As of September 2026, there are 2 operators available to choose from for flights from Australia to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Australia to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Seattle

Compare and see reviews for airlines that fly from Australia to Seattle with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $691	Free Cancellation	Rating 7.4 10,213 reviews		Search United Airlines flights
Air Canada	PriceFrom $752	Free Cancellation	Rating 7.1 11,640 reviews		Search Air Canada flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Redmond

Lakewood

Federal Way

Fife

Puyallup

Tukwila

Lynnwood

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Seattle?

It is quick and easy to find Australia to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Australia to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Australia with this policy.

How can momondo help me find flights from Australia to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Australia to Seattle.

I’m not ready to book a flight from Australia to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Australia to Seattle from $549

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Seattle departing on 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Australia to Seattle

Recent round-trip flight deals from Australia to Seattle

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Qantas Airways flights from Australia to Seattle

Our best Qantas Airways deals on Australia to Seattle flight tickets

Air Canada flights from Australia to Seattle

Our best Air Canada deals on Australia to Seattle flight tickets

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

See travel insights to Seattle from

How to get the cheapest flight ticket from Australia to Seattle

What is the cheapest month to fly to Seattle?

How far in advance should I book a flight from Australia to Seattle?

Can stopping save me money on Australia to Seattle flights?

What is the cheapest airline that flies from Australia to Seattle/Tacoma Intl?

How long does it take to fly to Seattle?

Cheap Australia to Seattle flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Australia to Seattle

Best airlines flying from Australia to Seattle

Compare and see reviews for airlines that fly from Australia to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favorite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Australia

According to popular flight searches on momondo this year

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