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

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

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 Brisbane to Seattle takes 18h 57m on average. On the other hand, flying from Sydney to Seattle takes 19h 24m 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.

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 November 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.

$476 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

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One-way

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Recent round-trip flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

10:40 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

42h 25m1 stop Los Angeles

5:37 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 53m1 stop Los Angeles

$922Delta

Thu, Nov 26 - Mon, Dec 7

10:40 am - 12:59 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 19m1 stop Los Angeles

2:40 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 50m1 stop Los Angeles

$922Delta

Wed, Jan 20 - Sun, Jan 31

10:40 am - 2:26 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 46m1 stop Los Angeles

9:25 am - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 05m2 stops Salt Lake City Los Angeles

$922Delta

Wed, Jan 20 - Sun, Jan 31

1:35 pm - 6:39 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 04m2 stops Los Angeles Salt Lake City

2:40 pm - 6:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 10m1 stop Los Angeles

$922Delta

Thu, Jan 21 - Sun, Jan 31

9:15 am - 7:17 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 02m1 stop Houston George Bush Intcntl

1:18 pm - 6:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 02m1 stop San Francisco

$925United Airlines

Mon, Nov 23 - Mon, Jan 18

11:20 am - 11:34 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 14m1 stop Los Angeles

1:18 pm - 6:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 02m1 stop San Francisco

$925United Airlines

Thu, Nov 26 - Wed, Jan 20

11:50 am - 2:39 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 49m1 stop San Francisco

1:18 pm - 6:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 02m1 stop San Francisco

$925United Airlines

Thu, Nov 19 - Wed, Jan 20

10:00 am - 9:58 pmBNE Brisbane-SEA Seattle/Tacoma Intl

28h 58m1 stop Vancouver Intl

10:10 am - 7:05 amSEA Seattle/Tacoma Intl-BNE Brisbane

27h 55m1 stop Vancouver Intl

$1,115Air Canada

Thu, Apr 22 - Mon, Apr 26

11:20 am - 9:30 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 10m1 stop Vancouver Intl

10:10 am - 8:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 10m1 stop Vancouver Intl

$1,132Air Canada

Thu, Mar 4 - Thu, Apr 1

10:00 am - 2:38 pmBNE Brisbane-SEA Seattle/Tacoma Intl

21h 38m1 stop Vancouver Intl

7:05 pm - 11:30 amSEA Seattle/Tacoma Intl-BNE Brisbane

23h 25m2 stops Vancouver Intl Sydney Kingsford Smith

$1,139Air Canada

Thu, Apr 22 - Mon, Apr 26

Recent last minute flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

9:40 am - 1:15 pmBNE Brisbane-SEA Seattle/Tacoma Intl

21h 35m1 stop Dallas/Fort Worth

2:07 pm - 6:30 amSEA Seattle/Tacoma Intl-BNE Brisbane

22h 23m1 stop Dallas/Fort Worth

$910American Airlines

Thu, Nov 5 - Thu, Nov 12

11:10 am - 9:03 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 53m2 stops Los Angeles San Francisco

1:38 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 22m1 stop Los Angeles

$920American Airlines

Mon, Nov 9 - Tue, Nov 24

11:20 am - 9:50 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 30m1 stop Los Angeles

4:39 pm - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 26m1 stop Los Angeles

$921Lufthansa

Thu, Nov 5 - Wed, Nov 18

11:50 am - 12:20 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 30m1 stop San Francisco

3:35 pm - 9:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 45m1 stop San Francisco

$925United Airlines

Mon, Nov 9 - Tue, Nov 24

10:40 am - 10:05 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 25m2 stops Los Angeles Salt Lake City

3:13 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 17m1 stop Los Angeles

$925Delta

Thu, Nov 5 - Wed, Nov 18

10:40 am - 6:52 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 12m2 stops Los Angeles Salt Lake City

5:35 am - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Salt Lake City Los Angeles

$925Delta

Thu, Nov 5 - Wed, Nov 18

10:40 am - 4:45 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 05m1 stop Los Angeles

12:31 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 59m1 stop Los Angeles

$925Delta

Thu, Nov 5 - Wed, Nov 18

10:40 am - 12:40 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 00m2 stops Los Angeles Salt Lake City

5:35 am - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Salt Lake City Los Angeles

$925Delta

Mon, Nov 9 - Tue, Nov 24

11:20 am - 12:20 pmBNE Brisbane-SEA Seattle/Tacoma Intl

19h 00m1 stop San Francisco

5:05 am - 7:30 amSEA Seattle/Tacoma Intl-BNE Brisbane

56h 25m2 stops Denver Intl San Francisco

$934United Airlines

Sun, Nov 8 - Sun, Nov 15

11:20 am - 11:15 pmBNE Brisbane-SEA Seattle/Tacoma Intl

29h 55m2 stops San Francisco Denver Intl

11:59 pm - 7:30 amSEA Seattle/Tacoma Intl-BNE Brisbane

37h 31m2 stops Houston George Bush Intcntl San Francisco

$934United Airlines

Sun, Nov 8 - Sun, Nov 15

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American Airlines flights from Australia to Seattle

Our best American Airlines deals on Australia to Seattle flight tickets

American Airlines

Nov 5

BNE9:40 amBrisbane

21h 35m

1 stop

SEA1:15 pmSeattle/Tacoma Intl

Nov 12

SEA2:07 pmSeattle/Tacoma Intl

22h 23m

1 stop

BNE6:30 amBrisbane

$910

American Airlines

Nov 9

SYD11:10 amSydney Kingsford Smith

28h 53m

2 stops

SEA9:03 pmSeattle/Tacoma Intl

Nov 24

SEA1:38 pmSeattle/Tacoma Intl

24h 22m

1 stop

SYD9:00 amSydney Kingsford Smith

$920

American Airlines

Nov 25

SYD11:10 amSydney Kingsford Smith

46h 23m

1 stop

SEA2:33 pmSeattle/Tacoma Intl

Dec 6

SEA4:42 pmSeattle/Tacoma Intl

21h 18m

1 stop

SYD9:00 amSydney Kingsford Smith

$944

United Airlines flights from Australia to Seattle

Our best United Airlines deals on Australia to Seattle flight tickets

United Airlines

Nov 25

SYD11:50 amSydney Kingsford Smith

21h 49m

1 stop

SEA2:39 pmSeattle/Tacoma Intl

Jan 24

SEA5:44 pmSeattle/Tacoma Intl

20h 36m

1 stop

SYD9:20 amSydney Kingsford Smith

$925

United Airlines

Mar 3

BNE11:20 amBrisbane

18h 57m

1 stop

SEA12:17 pmSeattle/Tacoma Intl

Mar 29

SEA3:30 pmSeattle/Tacoma Intl

22h 00m

1 stop

BNE6:30 amBrisbane

$934

United Airlines

Mar 18

BNE10:20 amBrisbane

29h 46m

2 stops

SEA11:06 pmSeattle/Tacoma Intl

Apr 15

SEA7:10 pmSeattle/Tacoma Intl

42h 20m

2 stops

BNE6:30 amBrisbane

$947

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/26

10:40 am-10:05 am

1 stop42h 25m

Seattle/Tacoma Intl

Mon 12/7

5:37 pm-8:30 am

1 stop19h 53m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 1/20

10:40 am-12:59 pm

1 stop21h 19m

Seattle/Tacoma Intl

Sun 1/31

2:40 pm-8:30 am

1 stop22h 50m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 1/20

10:40 am-2:26 pm

1 stop22h 46m

Seattle/Tacoma Intl

Sun 1/31

9:25 am-8:30 am

2 stops28h 05m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 1/21

1:35 pm-6:39 pm

2 stops24h 04m

Seattle/Tacoma Intl

Sun 1/31

2:40 pm-6:50 am

1 stop21h 10m

$922

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 11/23

9:15 am-7:17 pm

1 stop29h 02m

Seattle/Tacoma Intl

Mon 1/18

1:18 pm-6:20 am

1 stop22h 02m

$925

Quickest round-trip

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/26

11:20 am-11:34 am

1 stop19h 14m

Seattle/Tacoma Intl

Wed 1/20

1:18 pm-6:20 am

1 stop22h 02m

$925

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/19

11:50 am-2:39 pm

1 stop21h 49m

Seattle/Tacoma Intl

Wed 1/20

1:18 pm-6:20 am

1 stop22h 02m

$925

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Thu 4/22

10:00 am-9:58 pm

1 stop28h 58m

Seattle/Tacoma Intl

Mon 4/26

10:10 am-7:05 am

1 stop27h 55m

$1,115

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 3/4

11:20 am-9:30 am

1 stop17h 10m

Seattle/Tacoma Intl

Thu 4/1

10:10 am-8:20 am

1 stop28h 10m

$1,132

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Thu 4/22

10:00 am-2:38 pm

1 stop21h 38m

Seattle/Tacoma Intl

Mon 4/26

7:05 pm-11:30 am

2 stops23h 25m

$1,139

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 $890. 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 $1,013.

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 $1,115 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 $1,003 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 20% 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	$476
Fastest flight time	18h 57m
Direct flights	None

The best one-way flight to Seattle from Australia in the past 72 hours is $476. The best round-trip flight deal from Australia to Seattle found on momondo in the last 72 hours is $922.

The fastest flight from Australia to Seattle takes 18h 57m

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 November 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 7.3 10,460 reviews		Search United Airlines flights
Air Canada	PriceFrom $752	Free Cancellation	Rating 7.1 11,847 reviews		Search Air Canada flights

Tacoma

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SeaTac

Ocean Shores

Renton

Kent

Olympia

Federal Way

Redmond

Lakewood

Lynnwood

Fife

Puyallup

Tukwila

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

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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 $476

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 1/26. 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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American Airlines flights from Australia to Seattle

Our best American Airlines deals on Australia to Seattle flight tickets

United Airlines flights from Australia to Seattle

Our best United Airlines 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

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According to popular flight searches on momondo this year

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