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 16h 21m on average. On the other hand, flying from Melbourne to Seattle takes 18h 07m 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 Delta 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 6 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 July 2025, there are 6 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.

$413 Cheap Flights from Australia to Seattle in 2025

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Find the cheapest flights from Australia to Seattle

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Seattle

10:20 am - 2:16 pmSYD-SEA

21h 56m1 stop

10:05 am - 9:35 amSEA-SYD

28h 30m1 stop

$791Air Canada

Find Deal

Tue, Oct 14 - Tue, Nov 11

9:20 am - 9:22 amSYD-SEA

17h 02m1 stop

7:15 pm - 7:20 amSEA-SYD

19h 05m1 stop

$795Air Canada

Find Deal

Thu, Sep 18 - Sun, Sep 21

10:20 am - 8:54 pmSYD-SEA

27h 34m1 stop

7:37 pm - 7:55 amSEA-SYD

18h 18m1 stop

$830United Airlines

Find Deal

Sun, Sep 7 - Mon, Oct 13

11:20 am - 12:02 pmSYD-SEA

18h 42m1 stop

1:20 pm - 9:15 amSEA-SYD

24h 55m1 stop

$831United Airlines

Find Deal

Thu, Oct 16 - Thu, Nov 13

9:25 am - 6:24 pmSYD-SEA

25h 59m2 stops

5:30 am - 6:35 amSEA-SYD

32h 05m2 stops

$838Delta

Find Deal

Fri, Sep 12 - Fri, Sep 19

9:25 am - 8:15 pmSYD-SEA

27h 50m1 stop

2:25 pm - 6:35 amSEA-SYD

23h 10m1 stop

$849Delta

Find Deal

Fri, Sep 12 - Fri, Sep 19

9:10 am - 9:36 pmSYD-SEA

29h 26m1 stop

4:30 pm - 7:30 amSEA-SYD

21h 00m1 stop

$889Qantas Airways

Find Deal

Mon, Sep 8 - Thu, Oct 16

5:45 pm - 9:36 pmSYD-SEA

20h 51m1 stop

4:30 pm - 7:30 amSEA-SYD

21h 00m1 stop

$890Qantas Airways

Find Deal

Sat, Sep 6 - Thu, Oct 16

1:10 am - 1:59 pmPER-SEA

27h 49m2 stops

8:45 am - 2:45 pmSEA-PER

38h 00m1 stop

$1,348Singapore Airlines

Find Deal

Mon, Oct 27 - Sat, Nov 15

2:45 pm - 10:10 pmBNE-SEA

48h 25m3 stops

7:00 am - 6:55 amSEA-BNE

30h 55m2 stops

$1,785Singapore Airlines

Find Deal

Mon, Oct 6 - Mon, Oct 20

Asiana Airlines flights from Australia to Seattle

Our best Asiana Airlines deals on Australia to Seattle flight tickets

Asiana Airlines

Nov 20

SYD10:30 amSydney Kingsford Smith

22h 25m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

Nov 27

SEA12:10 amSeattle/Tacoma Intl

37h 20m

1 stop

SYD8:30 amSydney Kingsford Smith

$910

Find similar

Asiana Airlines

Nov 20

SYD10:30 amSydney Kingsford Smith

22h 25m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

Nov 27

SEA12:10 amSeattle/Tacoma Intl

37h 20m

1 stop

SYD8:30 amSydney Kingsford Smith

$914

Find similar

Asiana Airlines

Nov 20

SYD10:30 amSydney Kingsford Smith

22h 25m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

Nov 27

SEA12:10 amSeattle/Tacoma Intl

37h 20m

1 stop

SYD8:30 amSydney Kingsford Smith

$918

Find similar

Air Canada flights from Australia to Seattle

Our best Air Canada deals on Australia to Seattle flight tickets

Air Canada

Oct 14

SYD10:20 amSydney Kingsford Smith

21h 56m

1 stop

SEA2:16 pmSeattle/Tacoma Intl

Nov 11

SEA10:05 amSeattle/Tacoma Intl

28h 30m

1 stop

SYD9:35 amSydney Kingsford Smith

$791

Find similar

Air Canada

Sep 18

SYD9:20 amSydney Kingsford Smith

17h 02m

1 stop

SEA9:22 amSeattle/Tacoma Intl

Sep 21

SEA7:15 pmSeattle/Tacoma Intl

19h 05m

1 stop

SYD7:20 amSydney Kingsford Smith

$795

Find similar

Air Canada

Aug 26

SYD9:20 amSydney Kingsford Smith

17h 01m

1 stop

SEA9:21 amSeattle/Tacoma Intl

Aug 27

SEA10:00 amSeattle/Tacoma Intl

28h 20m

1 stop

SYD7:20 amSydney Kingsford Smith

$797

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 10/14

10:20 am-2:16 pm

1 stop21h 56m

Seattle/Tacoma Intl

Tue 11/11

10:05 am-9:35 am

1 stop28h 30m

$791

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 9/18

9:20 am-9:22 am

1 stop17h 02m

Seattle/Tacoma Intl

Sun 9/21

7:15 pm-7:20 am

1 stop19h 05m

$795

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 9/7

10:20 am-8:54 pm

1 stop27h 34m

Seattle/Tacoma Intl

Mon 10/13

7:37 pm-7:55 am

1 stop18h 18m

$830

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/16

11:20 am-12:02 pm

1 stop18h 42m

Seattle/Tacoma Intl

Thu 11/13

1:20 pm-9:15 am

1 stop24h 55m

$831

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 9/12

9:25 am-6:24 pm

2 stops25h 59m

Seattle/Tacoma Intl

Fri 9/19

5:30 am-6:35 am

2 stops32h 05m

$838

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 9/12

9:25 am-8:15 pm

1 stop27h 50m

Seattle/Tacoma Intl

Fri 9/19

2:25 pm-6:35 am

1 stop23h 10m

$849

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 9/8

9:10 am-9:36 pm

1 stop29h 26m

Seattle/Tacoma Intl

Thu 10/16

4:30 pm-7:30 am

1 stop21h 00m

$889

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 9/6

5:45 pm-9:36 pm

1 stop20h 51m

Seattle/Tacoma Intl

Thu 10/16

4:30 pm-7:30 am

1 stop21h 00m

$890

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 10/27

1:10 am-1:59 pm

2 stops27h 49m

Seattle/Tacoma Intl

Sat 11/15

8:45 am-2:45 pm

1 stop38h 00m

$1,348

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 10/6

2:45 pm-10:10 pm

3 stops48h 25m

Seattle/Tacoma Intl

Mon 10/20

7:00 am-6:55 am

2 stops30h 55m

$1,785

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, February 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 $971. If you don’t want to visit Seattle in February, then you should wait until October to fly from Australia, when ticket prices are also cheap, with an average price of $1,013.

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 $1,110 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 $953 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 4% 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	$413
Fastest flight time	16h 02m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Australia in the past 72 hours is $413. The best round-trip flight deal from Australia to Seattle found on momondo in the last 72 hours is $791.

The fastest flight from Australia to Seattle takes 16h 02m

There are no direct flights from Australia to Seattle. Popular non-direct routes for this connection are Melbourne Airport - Seattle/Tacoma Intl Airport, Sydney Kingsford Smith Airport - Seattle/Tacoma Intl Airport and Brisbane Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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 July 2025, there are 6 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 $700	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada flights
United Airlines	PriceFrom $794	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Delta	PriceFrom $802	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $960	Free Cancellation	Rating 7.8 2,611 reviews	Search Hawaiian Airlines flights
Singapore Airlines	PriceFrom $1,070	Free Cancellation	Rating 8.1 1,338 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $1,214	Free Cancellation	Rating 7.5 887 reviews	Search Qantas Airways flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Federal Way

Puyallup

Lynnwood

Marysville

Tukwila

Kirkland

Lakewood

Fife

Centralia

Cle Elum

Shoreline

Westport

Redmond

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.