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 Melbourne to Seattle takes 19h 29m on average. On the other hand, flying from Sydney to Seattle takes 20h 31m 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?

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

What airlines fly to Seattle?

United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Seattle from Australia according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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 December 2025, there are 5 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.

$400 Cheap Flights from Australia to Seattle in 2025/26

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Find the cheapest flights from Australia to Seattle

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Recent round-trip flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

10:45 am - 9:15 am

BNE

SEA

16h 30m1 stop

3:40 pm - 8:45 am

SEA

BNE

23h 05m1 stop

$672Air Canada

Mon, Feb 9 - Mon, Feb 16

10:45 am - 9:15 am

BNE

SEA

16h 30m1 stop

5:50 am - 8:45 am

SEA

BNE

32h 55m1 stop

$684Air Canada

Fri, Jan 23 - Sat, Feb 7

10:45 am - 2:31 pm

BNE

SEA

21h 46m1 stop

3:40 pm - 5:30 pm

SEA

BNE

31h 50m2 stops

$688Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

5:35 am - 9:15 am

BNE

SEA

21h 40m2 stops

8:00 pm - 8:45 am

SEA

BNE

18h 45m1 stop

$704Air Canada

Fri, Jan 23 - Sat, Feb 7

7:40 pm - 10:46 pm

BNE

SEA

21h 06m1 stop

7:24 pm - 5:00 am

SEA

BNE

40h 36m1 stop

$709American Airlines

Fri, Mar 6 - Mon, Mar 9

12:10 pm - 7:22 pm

BNE

SEA

25h 12m1 stop

5:59 pm - 5:45 am

SEA

BNE

41h 46m2 stops

$710American Airlines

Sun, Jan 18 - Sat, Jan 24

2:05 pm - 9:15 am

BNE

SEA

37h 10m2 stops

8:00 pm - 2:20 pm

SEA

BNE

24h 20m2 stops

$711Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

11:40 am - 6:26 pm

BNE

SEA

24h 46m2 stops

12:40 pm - 7:30 am

SEA

BNE

48h 50m3 stops

$719United Airlines

Tue, Jan 20 - Sat, Jan 24

11:40 am - 3:44 pm

BNE

SEA

22h 04m1 stop

9:25 am - 7:30 am

SEA

BNE

28h 05m1 stop

$728United Airlines

Tue, Jan 20 - Tue, Jan 27

9:40 pm - 5:23 am

SYD

SEA

25h 43m1 stop

7:00 am - 7:45 pm

SEA

SYD

18h 45m1 stop

$925Hawaiian Airlines

Sun, Mar 8 - Mon, Mar 16

United Airlines flights from Australia to Seattle

Our best United Airlines deals on Australia to Seattle flight tickets

United Airlines

Jan 20

BNE11:40 amBrisbane

24h 46m

2 stops

SEA6:26 pmSeattle/Tacoma Intl

Jan 24

SEA12:40 pmSeattle/Tacoma Intl

48h 50m

3 stops

BNE7:30 amBrisbane

$719

Find similar

United Airlines

Jan 20

BNE11:40 amBrisbane

22h 04m

1 stop

SEA3:44 pmSeattle/Tacoma Intl

Jan 27

SEA9:25 amSeattle/Tacoma Intl

28h 05m

1 stop

BNE7:30 amBrisbane

$728

Find similar

United Airlines

Jan 20

BNE11:40 amBrisbane

24h 46m

2 stops

SEA6:26 pmSeattle/Tacoma Intl

Jan 27

SEA12:35 pmSeattle/Tacoma Intl

24h 55m

1 stop

BNE7:30 amBrisbane

$733

Find similar

American Airlines flights from Australia to Seattle

Our best American Airlines deals on Australia to Seattle flight tickets

American Airlines

Mar 6

BNE7:40 pmBrisbane

21h 06m

1 stop

SEA10:46 pmSeattle/Tacoma Intl

Mar 9

SEA7:24 pmSeattle/Tacoma Intl

40h 36m

1 stop

BNE5:00 amBrisbane

$709

Find similar

American Airlines

Jan 18

BNE12:10 pmBrisbane

25h 12m

1 stop

SEA7:22 pmSeattle/Tacoma Intl

Jan 24

SEA5:59 pmSeattle/Tacoma Intl

41h 46m

2 stops

BNE5:45 amBrisbane

$710

Find similar

American Airlines

Jan 19

BNE7:15 amBrisbane

28h 30m

2 stops

SEA5:45 pmSeattle/Tacoma Intl

Jan 26

SEA5:59 pmSeattle/Tacoma Intl

42h 31m

2 stops

BNE6:30 amBrisbane

$741

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 2/9

10:45 am-9:15 am

1 stop16h 30m

Seattle/Tacoma Intl

Mon 2/16

3:40 pm-8:45 am

1 stop23h 05m

$672

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 1/23

10:45 am-9:15 am

1 stop16h 30m

Seattle/Tacoma Intl

Sat 2/7

5:50 am-8:45 am

1 stop32h 55m

$684

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 2/9

10:45 am-2:31 pm

1 stop21h 46m

Seattle/Tacoma Intl

Mon 2/16

3:40 pm-5:30 pm

2 stops31h 50m

$688

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 1/23

5:35 am-9:15 am

2 stops21h 40m

Seattle/Tacoma Intl

Sat 2/7

8:00 pm-8:45 am

1 stop18h 45m

$704

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 3/6

7:40 pm-10:46 pm

1 stop21h 06m

Seattle/Tacoma Intl

Mon 3/9

7:24 pm-5:00 am

1 stop40h 36m

$709

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Sun 1/18

12:10 pm-7:22 pm

1 stop25h 12m

Seattle/Tacoma Intl

Sat 1/24

5:59 pm-5:45 am

2 stops41h 46m

$710

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 2/9

2:05 pm-9:15 am

2 stops37h 10m

Seattle/Tacoma Intl

Mon 2/16

8:00 pm-2:20 pm

2 stops24h 20m

$711

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 1/20

11:40 am-6:26 pm

2 stops24h 46m

Seattle/Tacoma Intl

Sat 1/24

12:40 pm-7:30 am

3 stops48h 50m

$719

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 1/20

11:40 am-3:44 pm

1 stop22h 04m

Seattle/Tacoma Intl

Tue 1/27

9:25 am-7:30 am

1 stop28h 05m

$728

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 3/8

9:40 pm-5:23 am

1 stop25h 43m

Seattle/Tacoma Intl

Mon 3/16

7:00 am-7:45 pm

1 stop18h 45m

$925

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, August 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 $908. If you don’t want to visit Seattle in August, then you should wait until September to fly from Australia, when ticket prices are also cheap, with an average price of $952.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Australia is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,069. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,337.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Australia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,213 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $1,679. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $1,082 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 $909 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 17% 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

Fastest flight time	19h 29m
Direct flights	None

The fastest flight from Australia to Seattle takes 19h 29m

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

Search flight deals

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 December 2025, there are 5 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
Air Canada	PriceFrom $598	Free Cancellation	Rating 7.1 10,562 reviews	Search Air Canada flights
United Airlines	PriceFrom $794	Free Cancellation	Rating 7.4 9,114 reviews	Search United Airlines flights
Delta	PriceFrom $802	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights
Virgin Australia	PriceFrom $866	Free Cancellation	Rating 7.6 430 reviews	Search Virgin Australia flights
Hawaiian Airlines	PriceFrom $917	Free Cancellation	Rating 7.8 2,819 reviews	Search Hawaiian Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Federal Way

Cle Elum

Lakewood

Fife

Centralia

Westport

Kirkland

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.