Which airlines fly to Seattle?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from New South Wales according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when travelling 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.

What is the cheapest airline that flies from New South Wales to Seattle/Tacoma Intl?

Delta, American Airlines, and Qantas Airways are the most popular carriers operating from New South Wales to Seattle/Tacoma Intl

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

Prices for flights from New South Wales to Seattle/Tacoma Intl Airport were last updated today.

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

As of September 2026, there are 6 operators available to choose from for flights from New South Wales to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from New South Wales to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New South Wales 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 licence 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.

$612 Cheap Flights from New South Wales to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New South Wales to Seattle

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:15 - 18:45SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 30m2 stops Nadi Los Angeles

20:09 - 06:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

40h 16m1 stop Los Angeles

$1,241Multiple Airlines

Thu, 22 Oct - Thu, 29 Oct

10:10 - 13:07SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 57m1 stop Los Angeles

06:00 - 08:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 05m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,288British Airways

Thu, 8 Oct - Wed, 21 Oct

10:10 - 16:48SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 38m2 stops Los Angeles Dallas/Fort Worth

13:37 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 23m1 stop Los Angeles

$1,313American Airlines

Wed, 21 Oct - Wed, 28 Oct

10:10 - 16:48SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 38m2 stops Los Angeles Dallas/Fort Worth

13:37 - 08:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 28m1 stop Los Angeles

$1,313American Airlines

Tue, 6 Oct - Wed, 21 Oct

11:10 - 13:00SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 50m1 stop Los Angeles

13:35 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

$1,358Qantas Airways

Mon, 2 Nov - Tue, 10 Nov

10:20 - 17:57SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 37m2 stops Los Angeles Denver Intl

23:59 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 01m1 stop Houston George Bush Intcntl

$1,366United Airlines

Mon, 26 Oct - Sat, 7 Nov

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

18h 30m1 stop San Francisco

23:59 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 01m1 stop Houston George Bush Intcntl

$1,366United Airlines

Tue, 27 Oct - Sat, 7 Nov

10:15 - 22:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 50m2 stops Los Angeles Salt Lake City

11:05 - 07:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 25m2 stops Salt Lake City Los Angeles

$1,368Delta

Tue, 20 Oct - Mon, 26 Oct

09:40 - 22:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 25m2 stops Los Angeles Salt Lake City

21:35 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

39h 55m1 stop Los Angeles

$1,373Delta

Wed, 28 Oct - Sat, 7 Nov

11:10 - 13:07SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 57m1 stop Los Angeles

13:35 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

$1,428Qantas Airways

Tue, 27 Oct - Fri, 6 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:10 - 17:34SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 24m2 stops Los Angeles Phoenix Sky Harbor Intl

06:00 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 05m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,316British Airways

Thu, 17 Sep - Wed, 30 Sep

09:10 - 20:29SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 19m2 stops Los Angeles Phoenix Sky Harbor Intl

12:55 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles

$1,322British Airways

Thu, 17 Sep - Wed, 30 Sep

09:10 - 15:57SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 47m1 stop Los Angeles

12:55 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles

$1,327British Airways

Thu, 17 Sep - Wed, 30 Sep

09:10 - 16:42SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 32m2 stops Los Angeles Dallas/Fort Worth

06:00 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 05m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,345British Airways

Thu, 17 Sep - Wed, 30 Sep

09:10 - 20:29SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 19m2 stops Los Angeles Phoenix Sky Harbor Intl

12:55 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles

$1,351British Airways

Thu, 17 Sep - Wed, 30 Sep

09:10 - 15:57SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 47m1 stop Los Angeles

12:55 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles

$1,357British Airways

Thu, 17 Sep - Wed, 30 Sep

20:35 - 15:15SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

35h 40m3 stops Singapore Changi Bangkok Suvarnabhumi Incheon Intl

01:15 - 06:15SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 00m3 stops Taipei City Taiwan Taoyuan Intl Hanoi Noibai Kuala Lumpur Intl

$2,317Multiple Airlines

Thu, 17 Sep - Tue, 29 Sep

07:10 - 15:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 22m3 stops Auckland Intl Papeete Faaa Los Angeles

06:49 - 08:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 51m2 stops Los Angeles Hong Kong Intl

$2,545Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

09:20 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

41h 45m1 stop Vancouver Intl

19:15 - 08:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 05m1 stop Vancouver Intl

$2,593Air Canada

Tue, 15 Sep - Wed, 14 Oct

10:20 - 18:29SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 09m1 stop San Francisco

16:30 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 30m1 stop Los Angeles

$10,380United Airlines

Mon, 14 Sep - Mon, 21 Sep

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Delta flights from New South Wales to Seattle

Our best Delta deals on New South Wales to Seattle flight tickets

Delta

20 Oct

SYD10:15Sydney Kingsford Smith

29h 50m

2 stops

SEA22:05Seattle/Tacoma Intl

26 Oct

SEA11:05Seattle/Tacoma Intl

26h 25m

2 stops

SYD07:30Sydney Kingsford Smith

$1,368

Delta

22 Oct

SYD10:15Sydney Kingsford Smith

26h 37m

2 stops

SEA18:52Seattle/Tacoma Intl

29 Oct

SEA11:05Seattle/Tacoma Intl

26h 25m

2 stops

SYD07:30Sydney Kingsford Smith

$1,465

Delta

18 Oct

SYD10:15Sydney Kingsford Smith

31h 41m

1 stop

SEA23:56Seattle/Tacoma Intl

25 Oct

SEA09:42Seattle/Tacoma Intl

27h 48m

2 stops

SYD07:30Sydney Kingsford Smith

$1,467

American Airlines flights from New South Wales to Seattle

Our best American Airlines deals on New South Wales to Seattle flight tickets

American Airlines

8 Oct

SYD10:10Sydney Kingsford Smith

30h 27m

1 stop

SEA22:37Seattle/Tacoma Intl

21 Oct

SEA15:10Seattle/Tacoma Intl

22h 55m

2 stops

SYD08:05Sydney Kingsford Smith

$1,313

American Airlines

20 Oct

SYD10:10Sydney Kingsford Smith

24h 38m

2 stops

SEA16:48Seattle/Tacoma Intl

26 Oct

SEA07:10Seattle/Tacoma Intl

31h 50m

1 stop

SYD09:00Sydney Kingsford Smith

$1,361

American Airlines

8 Oct

SYD10:10Sydney Kingsford Smith

23h 54m

2 stops

SEA16:04Seattle/Tacoma Intl

21 Oct

SEA11:44Seattle/Tacoma Intl

26h 21m

2 stops

SYD08:05Sydney Kingsford Smith

$1,365

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 22/10

14:15-18:45

2 stops22h 30m

Seattle/Tacoma Intl

Thu 29/10

20:09-06:25

1 stop40h 16m

$1,241

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 8/10

10:10-13:07

1 stop20h 57m

Seattle/Tacoma Intl

Wed 21/10

06:00-08:05

2 stops32h 05m

$1,288

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 21/10

10:10-16:48

2 stops24h 38m

Seattle/Tacoma Intl

Wed 28/10

13:37-09:00

1 stop25h 23m

$1,313

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 6/10

10:10-16:48

2 stops24h 38m

Seattle/Tacoma Intl

Wed 21/10

13:37-08:05

1 stop24h 28m

$1,313

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 2/11

11:10-13:00

1 stop20h 50m

Seattle/Tacoma Intl

Tue 10/11

13:35-09:00

1 stop24h 25m

$1,358

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 26/10

10:20-17:57

2 stops25h 37m

Seattle/Tacoma Intl

Sat 7/11

23:59-07:00

1 stop36h 01m

$1,366

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 27/10

11:50-12:20

1 stop18h 30m

Seattle/Tacoma Intl

Sat 7/11

23:59-07:00

1 stop36h 01m

$1,366

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 20/10

10:15-22:05

2 stops29h 50m

Seattle/Tacoma Intl

Mon 26/10

11:05-07:30

2 stops26h 25m

$1,368

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 28/10

09:40-22:05

2 stops30h 25m

Seattle/Tacoma Intl

Sat 7/11

21:35-08:30

1 stop39h 55m

$1,373

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 27/10

11:10-13:07

1 stop19h 57m

Seattle/Tacoma Intl

Fri 6/11

13:35-09:00

1 stop24h 25m

$1,428

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New South Wales 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

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from New South Wales, with most prices found around $1,397. If you are unable to visit Seattle during the month of August, then departing from New South Wales during the month March is also very affordable. Most momondo users find prices during this month for around $1,404.

How far in advance should I book a flight from New South Wales to Seattle?

You are more likely to see cheaper flights to Seattle from New South Wales when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,550 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from New South Wales for as low as $1,436 on momondo.

Can stopping save me money on New South Wales to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a New South Wales to Seattle flight.

Cheap New South Wales to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New South Wales to Seattle

Best price found	$612
Fastest flight time	20h 06m
Direct flights	None

The best one-way flight to Seattle from New South Wales in the past 72 hours is $612. The best return flight deal from New South Wales to Seattle found on momondo in the last 72 hours is $1,241.

The fastest flight from New South Wales to Seattle takes 20h 06m

There are no direct flights from New South Wales to Seattle. There are no popular flight routes from New South Wales to Seattle.

Search flight deals

Frequently asked questions about flying from New South Wales to Seattle

When did momondo last update prices for flights from New South Wales to Seattle/Tacoma Intl Airport?
Prices for flights from New South Wales to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from New South Wales to Seattle/Tacoma Intl Airport?
As of September 2026, there are 6 operators available to choose from for flights from New South Wales to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from New South Wales to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New South Wales 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 licence 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 New South Wales to Seattle

Compare and see reviews for airlines that fly from New South Wales to Seattle with momondo

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $1,115	Free cancellation	Rating 7.1 11,619 reviews	Search Air Canada flights
Hawaiian Airlines	PriceFrom $1,131	Free cancellation	Rating 7.8 2,812 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $1,168	Free cancellation	Rating 7.8 8,568 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,183	Free cancellation	Rating 7.5 1,093 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,186	Free cancellation	Rating 7.4 10,211 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,229	Free cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights

Leavenworth

SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from New South Wales to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New South Wales to Seattle . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New South Wales to Seattle with flexible booking policies on momondo?

Flights from New South Wales to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New South Wales to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from New South Wales. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Seattle from New South Wales. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from New South Wales to Seattle from $612

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New South Wales to Seattle departing on 28/2. 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 New South Wales to Seattle

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Big names, great deals

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Delta flights from New South Wales to Seattle

Our best Delta deals on New South Wales to Seattle flight tickets

American Airlines flights from New South Wales to Seattle

Our best American Airlines deals on New South Wales to Seattle flight tickets

momondo Fare Finder

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

See travel insights to Seattle from

How to get the cheapest flight ticket from New South Wales to Seattle

What is the cheapest month to fly to Seattle?

How far in advance should I book a flight from New South Wales to Seattle?

Can stopping save me money on New South Wales to Seattle flights?

What is the cheapest airline that flies from New South Wales to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

Cheap New South Wales to Seattle flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from New South Wales to Seattle

Best airlines flying from New South Wales to Seattle

Compare and see reviews for airlines that fly from New South Wales to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organise 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 favourite 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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According to popular flight searches on momondo this year